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CN-122015479-A - Knocking rod, air hammer vibrating device, air hammer vibrating system and rotary furnace system

CN122015479ACN 122015479 ACN122015479 ACN 122015479ACN-122015479-A

Abstract

The application provides a knocking rod, an air hammer rapping device, an air hammer rapping system and a rotary furnace system, wherein the knocking rod comprises a knocking rod body, one end of the knocking rod body is used for being matched with external driving transmission, the other end of the knocking rod body is used for extending into a furnace shell of the rotary furnace to form a knocking end, and the knocking rod body is used for being driven by the external driving to reciprocate along the axial direction of the knocking rod body so as to drive the knocking end to knock a furnace body in the furnace shell. In the direction along the one end to the other end of beating the pole body, the external diameter that the at least part that contains the end of beating beats the pole body reduces gradually, beats the end promptly and is sharpened, so can reduce the area of beating to provide bigger pressure of beating, can effectively promote then to the material of bonding on the inner wall of furnace body and beat the clearance effect that shakes down.

Inventors

  • ZHENG CHAO
  • SUN XIAOBAO
  • HU WENHUA

Assignees

  • 厦门厦钨新能源材料股份有限公司

Dates

Publication Date
20260512
Application Date
20260306

Claims (14)

  1. 1. A tapping rod, characterized by comprising a tapping rod body (100); One end of the knocking rod body (100) is used for being matched with an external driving transmission, the other end of the knocking rod body (100) is used for extending into a furnace shell (910) of the rotary furnace (900) and forming a knocking end (121), and the knocking rod body (100) can reciprocate along the axial direction of the knocking rod body (100) under the external driving so as to drive the knocking end (121) to knock a furnace body (920) in the furnace shell (910); In a direction along one end to the other end of the tapping rod body (100), at least a portion of the tapping rod body (100) including the tapping end (121) gradually decreases in outer diameter.
  2. 2. Tapping rod according to claim 1, characterized in that the tapping rod body (100) comprises a first rod segment (110) and a second rod segment (120) connected in sequence in a direction along the tapping rod body (100) from one end to the other end, the end of the second rod segment (120) remote from the first rod segment (110) forming the tapping end (121); the second pole segment (120) has a gradually decreasing outer diameter in a direction along one end of the striking pole body (100) to the other end.
  3. 3. Tapping rod according to claim 2, characterized in that the ratio of the axial length of the second rod segment (120) to the axial length of the tapping rod body (100) ranges from one fifth to one fourth; And/or the ratio of the outer diameter of the striking end (121) to the outer diameter of the first shaft section (110) ranges from one half to two thirds; And/or, the outer diameter of the first rod section (110) is unchanged, and the outer diameter of the first rod section (110) is equal to the outer diameter of one end of the second rod section (120) connected with the first rod section (110), and the first rod section (110) and the second rod section (120) are in smooth transition; and/or, the end surface of the knocking end (121) far away from the first rod section (110) forms an arc surface, and the radius of the arc surface is smaller than the radius of the furnace body (920); And/or, the hardness of the knocking rod body (100) is smaller than the hardness of the furnace body (920), and the difference between the hardness of the furnace body (920) and the hardness of the knocking rod body (100) is in the range of 20HB-30HB; and/or, the first pole segment (110) and the second pole segment (120) are integrally formed.
  4. 4. A pneumatic hammer rapping device, characterized by comprising a pneumatic hammer (200), a pneumatic hammer mount (300), a reset member (400) and a rapping bar according to any of claims 1 to 3; The air hammer mounting seat (300) is arranged on the outer wall of the furnace shell (910) and is provided with an inner cavity (310), the air hammer (200) is arranged on one side of the air hammer mounting seat (300) and is communicated with the inner cavity (310), a perforation (320) communicated with the inner cavity (310) is arranged on one side, away from the air hammer (200), of the air hammer mounting seat (300), and the first rod section (110) penetrates through the perforation (320) and is arranged in the inner cavity (310); The resetting piece (400) is located in the inner cavity (310) and sleeved on the first rod section (110), and the first rod section (110) can move under the action of the air hammer (200) and can be reset under the action of the resetting piece (400).
  5. 5. A rapping device for air hammers according to claim 4, characterized in that said air hammer mounting base (300) comprises a mounting sleeve (330) having said inner cavity (310) and first connecting flanges (340) arranged at both axial ends of the mounting sleeve (330), both said first connecting flanges (340) being connected with the outer walls of said air hammer (200) and said furnace shell (910), respectively; a reinforcing structure (350) is arranged on the outer wall of the mounting sleeve (330).
  6. 6. A rapping device for a gas hammer according to claim 5, wherein said reinforcing structure (350) comprises at least two reinforcing plates (351) arranged at intervals along the circumference of said mounting sleeve (330); The reinforcing plate (351) is respectively connected with the two first connecting flanges (340) at two ends along the axial direction of the mounting sleeve (330); And/or the mounting sleeve (330), the reinforcing plate (351) and the first connecting flange (340) are integrally formed.
  7. 7. A rapping device for a gas hammer according to claim 6, wherein a limiting structure (140) is formed on the outer wall of the first pole segment (110), said limiting structure (140) being located in the inner cavity (310) and being adapted for limiting the disengagement of the first pole segment (110) from the inner cavity (310).
  8. 8. A rapping device for a pneumatic hammer according to claim 7, characterized in that the limit structure (140) comprises a limit projection (141) protruding in a direction away from the outer wall of the first pole segment (110); And/or, the number of the limiting structures (140) is at least two, at least two limiting structures (140) are sequentially distributed along the axial direction of the first rod section (110), the outer diameter of the limiting structure (140) close to the knocking end (121) is smaller than the outer diameter of the limiting structure (140) far away from the knocking end (121), and the resetting piece (400) is sleeved outside the limiting structure (140) close to the knocking end (121).
  9. 9. A rapping device for a pneumatic hammer according to claim 5, characterized in that an outlet opening (331) communicating with the inner cavity (310) is provided on the outer wall of the mounting sleeve (330), and that a collecting container (500) communicating with the outlet opening (331) is provided on the reinforcing plate (351) or the mounting sleeve (330).
  10. 10. A device according to claim 9, wherein the collection container (500) comprises a bottom shell (510) and a side shell (520), the bottom shell (510) and the side shell (520) enclosing a collection chamber forming an opening towards the outlet opening (331); The side shells (520) are respectively arranged on one sides, far away from each other, of two adjacent reinforcing plates (351) on two opposite side walls along the circumferential direction of the mounting sleeve (330), the side shells (520) are inserted between the two adjacent reinforcing plates (351) on two opposite side walls along the axial direction of the mounting sleeve (330), and the side shells (520) are respectively provided with avoidance grooves (530) for avoiding the reinforcing plates (351) on two opposite side walls along the axial direction of the mounting sleeve (330); And/or be equipped with first connecting hole (540) on collection container (500), reinforcing plate (351) or be provided with second connecting hole (352) on installation sleeve (330), collection container (500) pass through wear to establish first connecting hole (540) with mounting (353) in second connecting hole (352) with reinforcing plate (351) or installation sleeve (330) are connected.
  11. 11. A pneumatic hammer rapping device according to claim 6, characterized in that a side of the pneumatic hammer mounting seat (300) remote from the pneumatic hammer (200) is provided with a connection sleeve (600), the connection sleeve (600) is sleeved outside the first pole segment (110), and a lubrication piece (610) is provided between the connection sleeve (600) and the first pole segment (110).
  12. 12. A pneumatic hammer rapping device according to claim 11, wherein the lubrication member (610) is a graphite sleeve; And/or, a second connecting flange (620) is arranged at one end, close to the air hammer mounting seat (300), of the connecting sleeve (600), and the second connecting flange (620) is connected with the first connecting flange (340); and/or a heat insulator (700) is arranged between the air hammer mounting seat (300) and the air hammer (200); and/or the ratio of the elastic force of the reset piece (400) to the weight of the knocking rod body (100) is 1-2; And/or the air hammer (200) comprises an air hammer shell (220) and a hammer head (230) arranged in the air hammer shell (220), wherein the hammer head (230) is sleeved and matched with the knocking rod (100) so as to drive the knocking rod (100) to move through the hammer head (230) when the air hammer (200) is ventilated, and one end, close to the knocking rod (100), of the hammer head (230) is used for extending out of the air hammer shell (220) when the air hammer (200) is not ventilated; and/or, in a direction along the furnace body (920) to the furnace shell (910), the air hammer mounting seat (300) is obliquely arranged towards the bottom close to the furnace shell (910).
  13. 13. An air hammer rapping system, characterized by comprising a controller (800), an air storage structure, a plurality of on-off valves (810), and a plurality of air hammer rapping devices as claimed in any of claims 4 to 12; the air storage structure is communicated with air hammers (200) of the air hammer rapping devices, one switch valve (810) is arranged at an air inlet of each air hammer (200), and the controller (800) is electrically connected with each switch valve (810) and is used for independently controlling the start-stop state of each switch valve (810) so as to switch the rapping mode of the air hammer rapping system; the rapping mode comprises at least one of the following modes: The controller (800) controls the on-off valve (810) of at least any one air hammer (200) of the top region, the on-off valve of at least any one air hammer (200) of one of the two side regions, and the on-off valve (810) of at least one air hammer (200) of the other of the two side regions to be simultaneously actuated; the controller (800) controls the on-off valves (810) of all air hammers (200) corresponding to at least any one temperature zone pipe section of the furnace body (910) to be started simultaneously, wherein the furnace body (910) comprises a first temperature zone pipe section, a second temperature zone pipe section and an nth temperature zone pipe section which are divided in sequence along the axial direction; the controller (800) controls the on-off valves (810) of all the air hammers (200) to be simultaneously started; The controller (800) controls the start of a switch valve (810) of one of the air hammers (200) corresponding to the debugging or maintenance position of the furnace body (910).
  14. 14. A rotary kiln system comprising a rotary kiln (900) and an air hammer rapping system as set forth in claim 13.

Description

Knocking rod, air hammer vibrating device, air hammer vibrating system and rotary furnace system Technical Field The application relates to the technical field of rotary furnaces, in particular to a knocking rod, an air hammer knocking device, an air hammer knocking system and a rotary furnace system. Background The rotary furnace is industrial high-temperature heat treatment equipment and is characterized in that materials are heated in a furnace body of the rotary furnace while rotating, so that heat treatment of the materials is realized. However, the materials are easy to adhere to the inner wall of the furnace body at high temperature to form scale, so that the heat transfer efficiency of the furnace body can be reduced, the uniform heating of the materials is affected, and the like. Therefore, the knocking part can be used for knocking the outer wall of the furnace body to shake off the materials, so that the purpose of cleaning the bonded materials is realized. However, the existing knocking member has poor cleaning effect, poor reliability and poor adaptability. Disclosure of Invention The application aims to provide a knocking rod, an air hammer knocking device, an air hammer knocking system and a rotary furnace system, which aim to solve the problem of knocking cleaning of materials adhered to the inner wall of a furnace body for a long time reliably and with strong adaptability. In a first aspect, an embodiment of the application provides a knocking rod, which comprises a knocking rod body, wherein one end of the knocking rod body is used for being in transmission fit with an external drive, the other end of the knocking rod body is used for extending into a furnace shell of a rotary furnace and forming a knocking end, and the knocking rod body can reciprocate along the axial direction of the knocking rod body under the external drive so as to drive the knocking end to knock a furnace body in the furnace shell; In the direction along one end of the striking rod body to the other end, at least part of the striking rod body including the striking end gradually decreases in outer diameter. In some embodiments, the tapping rod body comprises a first rod segment and a second rod segment connected in sequence in a direction from one end to the other end of the tapping rod body, wherein an end of the second rod segment, which is far away from the first rod segment, forms the tapping end; The outer diameter of the second pole segment gradually decreases in a direction along one end of the striking pole body to the other end. In some embodiments, the ratio of the axial length of the second shaft section to the axial length of the tapping rod body ranges from one fifth to one fourth; and/or the ratio of the outer diameter of the striking end to the outer diameter of the first shaft section ranges from one half to two thirds; and/or, the outer diameter of the first rod section is unchanged, and is equal to the outer diameter of one end of the second rod section connected with the first rod section, and the first rod section and the second rod section are in smooth transition; and/or, the end face of the knocking end, which is far away from the first rod section, forms an arc surface, and the radius of the arc surface is smaller than that of the furnace body; And/or the hardness of the knocking rod body is smaller than that of the furnace body, and the difference between the hardness of the furnace body and the hardness of the knocking rod body is in the range of 20HB-30HB; and/or, the first pole segment and the second pole segment are integrally formed. In a second aspect, an embodiment of the present application provides an air hammer rapping device, including an air hammer, an air hammer mounting seat, a reset member, and a rapping bar; The air hammer mounting seat is arranged on the outer wall of the furnace shell and is provided with an inner cavity, the air hammer is arranged on one side of the air hammer mounting seat and is communicated with the inner cavity, a perforation communicated with the inner cavity is arranged on one side, far away from the air hammer, of the air hammer mounting seat, the first rod section penetrates through the perforation and is arranged in the inner cavity in a penetrating mode, the resetting piece is arranged in the inner cavity and is sleeved on the first rod section, and the first rod section can move under the action of the air hammer and can reset under the action of the resetting piece. In some embodiments, the air hammer mounting seat comprises a mounting sleeve with the inner cavity and first connecting flanges arranged at two axial ends of the mounting sleeve, and the two first connecting flanges are respectively connected with the air hammer and the outer wall of the furnace shell; And a reinforcing structure is arranged on the outer wall of the mounting sleeve. In some embodiments, the reinforcing structure comprises at least two reinforcing plates spaced apart