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CN-224208237-U - Leakage-proof device of horizontal decanter centrifuge

CN224208237UCN 224208237 UCN224208237 UCN 224208237UCN-224208237-U

Abstract

The utility model relates to the technical field of decanter centrifuges, in particular to a leakage-proof device of a decanter centrifuge, which comprises a casing, wherein a connecting seat is fixedly connected to the lower part of the outer surface of the casing, L-shaped mounting plates are fixedly connected to the front and rear parts of the lower ends of the connecting seat, three first screws are inserted into the inner wall surfaces of the two L-shaped mounting plates, a plurality of threaded holes are formed in the right end of the casing, a first sealing ring is fixedly connected to the inner wall surface of the casing, a second sealing ring is sleeved in the first sealing ring, and a clamping ring is fixedly connected to the inner wall surface of the second sealing ring. According to the leakage-proof device of the horizontal decanter centrifuge, the first sealing ring and the second sealing ring on the inner wall of the shell form a multi-layer barrier, the matching clamping ring is clamped with the clamping ring groove of the rotary drum, the sealing fit degree is enhanced, double sealing can still effectively prevent material leakage, and resource waste, environmental pollution and potential safety hazards caused by sealing failure are reduced.

Inventors

  • SONG XIAOJUN
  • SONG LIHUA
  • LI ZHELU

Assignees

  • 南京达旻机械制造有限公司

Dates

Publication Date
20260508
Application Date
20250705

Claims (8)

  1. 1. The leakage-proof device of the horizontal decanter centrifuge comprises a machine shell (1) and is characterized in that a connecting seat (2) is fixedly connected to the lower portion of the outer surface of the machine shell (1), L-shaped mounting plates (3) are fixedly connected to the front and rear portions of the lower end of the connecting seat (2), three first screws (4) are inserted into the inner wall surfaces of the two L-shaped mounting plates (3), a plurality of threaded holes (5) are formed in the right end of the machine shell (1), a first sealing ring (7) is fixedly connected to the inner wall surface of the machine shell (1), a second sealing ring (8) is sleeved in the first sealing ring (7), a clamping ring (9) is fixedly connected to the inner wall surface of the second sealing ring (8), a rotary drum (10) is clamped to the clamping ring, a clamping ring groove (11) matched with the clamping ring (9) is formed in the outer surface of the rotary drum (10), a plurality of threaded holes (5) are connected with an easy-to-check device (12) in a threaded mode, and a driving device (13) is fixedly connected to the right end of the easy-to the easy-check device (12); The convenient detection device (12) comprises a first annular connecting ring (121) and a second annular connecting ring (122), and a plurality of left-right through positioning holes (123) are formed in the left ends of the first annular connecting ring (121) and the second annular connecting ring (122).
  2. 2. The leakage preventing device of the horizontal decanter centrifuge according to claim 1, wherein the inner wall surface of the second annular connecting ring (122) is fixedly connected with a mounting plate (124), a plurality of positioning holes (123) are commonly inserted and connected with second screws (125), and the left end of the first annular connecting ring (121) is tightly attached to the right end of the casing (1).
  3. 3. The leakage preventing device of the horizontal decanter centrifuge according to claim 1, wherein the right end of the first annular connecting ring (121) is tightly attached to the left end of the second annular connecting ring (122), positioning holes (123) of the first annular connecting ring and the second annular connecting ring are in one-to-one correspondence, a plurality of second screws (125) penetrate through the plurality of positioning holes (123) and then are in threaded connection with a plurality of threaded holes (5), and the first annular connecting ring (121) and the second annular connecting ring (122) are tightly attached.
  4. 4. The leakage preventing device for a decanter centrifuge according to claim 2, wherein the mounting plate (124) is circular and is coaxially arranged with the second annular connecting ring (122), and the edge of the mounting plate (124) is fixedly connected with the inner wall surface of the second annular connecting ring (122) by welding.
  5. 5. The leakage prevention device of a decanter centrifuge according to claim 2, wherein a plurality of said second screws (125) are distributed in a central annular array of second annular connecting rings (122).
  6. 6. The leakage prevention device of the horizontal decanter centrifuge according to claim 1, wherein the driving device (13) comprises an L-shaped connecting plate (131), a rotating motor (132) is fixedly connected to the upper portion of the inner wall surface of the L-shaped connecting plate (131), a driving gear (133) is fixedly connected to the output end of the rotating motor (132), a movable rod (134) is movably connected to the lower portion of the inner wall surface of the L-shaped connecting plate (131) through a bearing, a driven gear (135) is fixedly connected to the left end of the movable rod (134), a driving rod (136) is fixedly connected to the left end of the driven gear (135), and the left end of the L-shaped connecting plate (131) is fixedly connected to the right end of the rotating motor (132).
  7. 7. The leakage preventing device for a decanter centrifuge according to claim 6, wherein the driving gear (133) is engaged with the driven gear (135), and the left end of the driving gear (133) is movably connected with the right end of the mounting plate (124) through a bearing.
  8. 8. A leakage preventing device for a decanter centrifuge according to claim 6, wherein one end of the driving rod (136) far from the driven gear (135) penetrates through the mounting plate (124) and is fixedly connected with the right end of the rotary drum (10).

Description

Leakage-proof device of horizontal decanter centrifuge Technical Field The utility model relates to the technical field of decanter centrifuges, in particular to a leakage preventing device of a decanter centrifuge. Background The horizontal decanter centrifuge is equipment for realizing solid-liquid separation by utilizing centrifugal force, is widely applied to industries such as chemical industry, food, pharmacy and environmental protection, is used for continuous separation, concentration or dehydration of suspension, and is mainly improved aiming at the sealing structure of the horizontal decanter centrifuge and the connection design convenient for overhaul so as to improve the reliability and maintenance efficiency of the equipment; In the structural design of the existing horizontal decanter centrifuge, the connection mode of a driving device and a shell is complex, and a plurality of parts are required to be removed during maintenance, so that time and labor are consumed. In particular, when the internal sealing element is required to be checked or replaced, the whole driving system is often required to be disassembled, so that the equipment has long downtime and the production efficiency is affected, and in the operation process of the traditional horizontal decanter centrifuge, the sealing part between the rotary drum and the shell is easy to lose efficacy due to material scouring, mechanical vibration or long-term abrasion, so that the material is leaked. Disclosure of utility model The utility model mainly aims to provide a leakage-proof device of a horizontal decanter centrifuge, which can effectively solve the problems in the background technology. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: The utility model provides a horizontal decanter centrifuge's leak protection device, includes the casing, the surface lower part fixedly connected with connecting seat of casing, the equal fixedly connected with L type mounting panel in lower extreme front and back portion of connecting seat, two the internal face of L type mounting panel all alternates three first screw, a plurality of screw hole has been seted up to the right-hand member of casing, the internal face fixedly connected with first sealing washer of casing, first sealing washer endotheca is equipped with the second sealing washer, the internal face fixedly connected with rand of second sealing washer, rand joint has the rotary drum, the rand groove with rand looks adaptation has been seted up to the surface of rotary drum, a plurality of the common threaded connection of screw hole has just to examine the device, just, the right-hand member fixedly connected with drive arrangement who examines the device. The convenient detection device comprises a first annular connecting ring and a second annular connecting ring, and a plurality of left-right through positioning holes are formed in the left ends of the first annular connecting ring and the second annular connecting ring. Preferably, the inner wall surface fixedly connected with mounting panel of second annular ring, a plurality of interlude is connected with the second screw jointly in the locating hole, the left end of first annular ring is closely laminated with the right-hand member of casing. Preferably, the right end of the first annular connecting ring is tightly attached to the left end of the second annular connecting ring, the positioning holes of the first annular connecting ring and the second annular connecting ring are in one-to-one correspondence, and a plurality of second screws penetrate through a plurality of positioning holes and then are in threaded connection with a plurality of threaded holes, so that the first annular connecting ring and the second annular connecting ring are tightly attached. Preferably, the mounting plate is circular and is coaxially arranged with the second annular connecting ring, and the edge of the mounting plate is fixedly connected with the inner wall surface of the second annular connecting ring in a welding mode. Preferably, the plurality of second screws are distributed in a central annular array of second annular connecting rings. Preferably, the driving device comprises an L-shaped connecting plate, a rotating motor is fixedly connected to the upper portion of the inner wall surface of the L-shaped connecting plate, a driving gear is fixedly connected to the output end of the rotating motor, a movable rod is movably connected to the lower portion of the inner wall surface of the L-shaped connecting plate through a bearing, a driven gear is fixedly connected to the left end of the movable rod, a driving rod is fixedly connected to the left end of the driven gear, and the left end of the L-shaped connecting plate is fixedly connected to the right end of the rotating motor. Preferably, the driving gear is meshed with the driven gear, and the left end of the driving gear is movably