Clinker double-channel sealing air locking device

Abstract

The utility model relates to a clinker double-channel sealing air locking device, which aims at solving the technical problems that the service life of a sealing structure of a current layer is not long enough and the replacement period is short, and comprises a fixed annular plate, an annular baffle plate A, a connecting annular plate, an annular baffle plate B and a movable annular plate, the fixed ring plate is fixedly arranged on the outer wall of the kiln tail smoke chamber; one end of the annular baffle A is fixedly connected with the outer ring of one side of the fixed annular plate; the outer ring of one side of the connecting annular plate is fixedly connected with the other end of the annular baffle plate A; the annular baffle plate B and the movable annular plate are arranged in an inner cavity formed by the fixed annular plate, the annular baffle plate A and the connecting annular plate; wherein one end of the annular baffle B is fixedly connected with the outer ring of one side of the movable annular plate, the other end of the annular baffle B is in contact fit with one side of the fixed annular plate, and the sealing device has the advantages that a double-layer sealing structure is formed, and sealing of the joint of the outer wall of the kiln tail smoke chamber and the kiln body is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of cement clinker production, in particular to a clinker double-channel sealing and air locking device. Background Art

[0002] Rotary kilns are used in cement clinker production. Rotary kilns work through negative pressure operation and are thermal equipment. Therefore, cold air will enter from the connection points of the feed inlet and the discharge port to a certain extent. Therefore, sealing structures are set at the kiln head and the kiln tail.

[0003] The existing sealing structure used at the kiln tail is arranged in one layer. Due to the high working intensity of the rotary kiln, the service life of the sealing structure of one layer is not long enough and the replacement cycle is short.

[0004] In view of this, we propose a clinker double-channel sealing and air locking device. Utility Model Content

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art, meet actual needs, and provide a clinker double-channel sealing and air locking device to solve the technical problems that the current one-layer sealing structure has an insufficient service life and a short replacement cycle.

[0006] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: design a clinker double-channel sealing and air-locking device, including a fixed ring plate, an annular baffle A, a connecting ring plate, an annular baffle B and a movable ring plate;

[0007] The fixed ring plate is fixed on the outer wall of the chimney at the tail end of the kiln;

[0008] One end of the annular baffle A is fixedly connected to the outer ring of one side of the fixed ring plate;

[0009] The outer ring of one side of the connecting ring plate is fixedly connected to the other end of the annular baffle A;

[0010] The annular baffle plate B and the movable annular plate are arranged in the inner cavity formed by the fixed annular plate, the annular baffle plate A and the connecting annular plate;

[0011] Among them, one end of the annular baffle plate B is fixedly connected to the outer ring of one side of the movable ring plate, and the other end of the annular baffle plate B is in contact and fit with one side of the fixed ring plate.

[0012] Preferably, an annular sealing strip is fixedly provided on the inner ring of the movable ring plate, and the inner ring side of the annular sealing strip is aligned with the inner ring side of the connecting ring plate.

[0013] Preferably, a threaded rod and two guide rods are arranged in a ring array on the other side of the movable ring plate;

[0014] Wherein, the threaded rod is threadedly inserted into the connecting ring plate, the inner end of the threaded rod is rotatably connected to the movable ring plate, and the outer end of the threaded rod is fixedly provided with a rotating handle;

[0015] Wherein, the guide rod is penetrated on the connecting ring plate.

[0016] Preferably, an annular strip is fixedly provided on one side of the fixed ring plate, a sealing sheet is arranged on the outer wall of the annular strip, and the annular strip and the sealing sheet are in abutment with an annular groove provided at the other end of the annular baffle B;

[0017] The cross sections of the annular strip and the sealing sheet are set to be trapezoidal, and the annular strip and the sealing sheet are adapted to the annular groove.

[0018] Preferably, a joint is arranged at the opening of the annular baffle A.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The utility model has the advantage of forming a double-layer sealing structure by arranging a fixed ring plate, annular baffle A, a connecting ring plate, annular baffle B and a movable ring plate, thereby strengthening the sealing of the connection between the outer wall of the kiln tail smoke chamber and the kiln body, and solving the problem that the service life of the sealing structure of one layer is not long enough and the replacement cycle is short due to the high working intensity of the rotary kiln.

[0021] 2. The utility model has the advantage of adjusting the positions of the movable ring plate and the annular baffle B by arranging the threaded rod, the rotating handle and the guide rod, so that the two layers of the sealing chamber are connected, which is convenient for cleaning the dust overflowing in the sealing chamber.

[0022] 3. The utility model has the advantages of providing an annular strip, a sealing sheet and an annular groove, so that the annular strip and the sealing sheet abut against the annular groove, so that the other end of the annular baffle plate B contacts one side of the fixed ring plate, thereby achieving a better sealing effect, and the annular sealing strip is used to isolate the two sealing cavities. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0024] Figure 2 For the utility model Figure 1 A magnified schematic diagram of point A;

[0025] Figure 3 It is a schematic diagram of the sectional exploded structure of the utility model;

[0026] Figure 4 For the utility model Figure 3 An enlarged schematic diagram of point B;

[0027] In the figure: 1, fixed ring plate; 2, annular baffle A; 3, connecting ring plate; 4, annular baffle B; 5, movable ring plate; 6, annular sealing strip; 7, threaded rod; 8, rotating handle; 9, guide rod;

[0028] 101, annular strip; 102, sealing sheet;

[0029] 201, connector;

[0030] 401. Annular groove. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0032] Example 1: A clinker double-channel sealing and air-locking device, see Figures 1 to 4 , including a fixed ring plate 1, an annular baffle A2, a connecting ring plate 3, an annular baffle B4 and a movable ring plate 5;

[0033] The fixed ring plate 1 is fixedly arranged on the outer wall of the chimney at the tail end of the kiln; one end of the annular baffle A2 is fixedly connected to the outer ring of one side of the fixed ring plate 1; the outer ring of one side of the connecting ring plate 3 is fixedly connected to the other end of the annular baffle A2; the annular baffle B4 and the movable ring plate 5 are arranged in the inner cavity formed by the fixed ring plate 1, the annular baffle A2 and the connecting ring plate 3; wherein, one end of the annular baffle B4 is fixedly connected to the outer ring of one side of the movable ring plate 5, and the other end of the annular baffle B4 is in contact with one side of the fixed ring plate 1. The inner cavity formed by the annular baffle B4 and the movable ring plate 5 corresponds to the connection between the outer wall of the chimney at the tail end of the kiln and the kiln body as the first layer, and the outer part of the inner cavity formed by the fixed ring plate 1, the annular baffle A2 and the connecting ring plate 3 constitutes the second layer.

[0034] The utility model has the advantage of forming a double-layer sealing structure by arranging a fixed ring plate 1, annular baffle A2, a connecting ring plate 3, annular baffle B4 and a movable ring plate 5, thereby strengthening the sealing of the connection between the outer wall of the kiln tail smoke chamber and the kiln body, and solving the problem that the service life of the sealing structure of one layer is not long enough and the replacement cycle is short due to the high working intensity of the rotary kiln.

[0035] Specifically, an annular sealing strip 6 is fixedly disposed on the inner ring of the movable ring plate 5 , and the inner ring side of the annular sealing strip 6 is aligned with the inner ring side of the connecting ring plate 3 .

[0036] The utility model has the advantage of providing the annular sealing strip 6 so that when the movable ring plate 5 moves, the annular sealing strip 6 contacts the outer wall of the kiln body and keeps the seal throughout the whole process.

[0037] Furthermore, a threaded rod 7 and two guide rods 9 are arranged in a circular array on the other side of the movable ring plate 5; wherein, the threaded rod 7 is threadedly passed through the connecting ring plate 3, the inner end of the threaded rod 7 is rotatably connected to the movable ring plate 5, and a rotating handle 8 is fixed to the outer end of the threaded rod 7; wherein, the guide rod 9 is passed through the connecting ring plate 3.

[0038] The utility model has the advantage of adjusting the positions of the movable ring plate 5 and the annular baffle B4 by arranging the threaded rod 7, the rotating handle 8 and the guide rod 9, so that the two layers of the sealing chamber are connected, and the dust overflowing in the sealing chamber is conveniently cleaned.

[0039] Furthermore, an annular strip 101 is fixedly provided on one side of the fixed ring plate 1, and a sealing sheet 102 is arranged on the outer wall of the annular strip 101. The annular strip 101 and the sealing sheet 102 are abutted and matched with the annular groove 401 opened at the other end of the annular baffle B4; wherein, the cross-sections of the annular strip 101 and the sealing sheet 102 are set to be trapezoidal, and the annular strip 101 and the sealing sheet 102 are adapted to the annular groove 401.

[0040] The utility model provides an annular strip 101, a sealing sheet 102 and an annular groove 401, and has the advantage of better sealing effect after the other end of the annular baffle B4 contacts one side of the fixed ring plate 1 through the abutment of the annular strip 101 and the sealing sheet 102 with the annular groove 401, and cooperates with the annular sealing strip 6 to isolate the two layers of sealing cavity.

[0041] It is worth noting that a joint 201 is arranged at the opening of the annular baffle A2. The joint 201 is closed during normal use, and the joint 201 is connected to the exhaust pipe when extracting dust.

[0042] Working principle: When using the device of the utility model, the inner cavity formed by the annular baffle B4 and the movable ring plate 5 corresponds to the outer wall of the chimney at the end of the kiln and the connection between the kiln body as the first layer, and the outer part of the inner cavity formed by the fixed ring plate 1, the annular baffle A2 and the connecting ring plate 3 constitutes the second layer, forming a double-layer sealing structure to strengthen the sealing of the connection between the outer wall of the chimney at the end of the kiln and the kiln body.

[0043] When extracting the overflowed dust, open the joint 201 and connect the joint 201 to the exhaust pipe, turn the handle 8, the threaded rod 7 rotates and moves outward relative to the connecting ring plate 3, driving the annular baffle B4 and the movable ring plate 5 to move outward, and the guide rod 9 moves outward accordingly, until the annular strip 101 and the sealing sheet 102 are separated from the annular groove 401, the two layers of sealed cavities are connected, and the dust can be extracted through the exhaust pump outside the exhaust pipe. Then, turn the handle 8 in the opposite direction, the annular baffle B4 and the movable ring plate 5 move inward, until the annular strip 101 and the sealing sheet 102 abut against the annular groove 401, and the joint 201 is closed.

[0044] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A clinker double-channel sealing and air-locking device, characterized in that: include: Fixed ring plate (1); An annular baffle A (2), one end of which is fixedly connected to the outer ring of one side of the fixed ring plate (1); A connecting ring plate (3), one outer ring of which is fixedly connected to the other end of the annular baffle A (2); The annular baffle plate B (4) and the movable annular plate (5) are arranged in the inner cavity formed by the fixed annular plate (1), the annular baffle plate A (2) and the connecting annular plate (3); One end of the annular baffle plate B (4) is fixedly connected to the outer ring of one side of the movable ring plate (5), and the other end of the annular baffle plate B (4) is in contact with and fits with one side of the fixed ring plate (1).

2. A clinker double-pass sealing and air-locking device as claimed in claim 1, characterized in that: An annular sealing strip (6) is fixedly arranged on the inner ring of the movable ring plate (5), and the inner ring side of the annular sealing strip (6) is aligned with the inner ring side of the connecting ring plate (3).

3. A clinker double-pass sealing and air-locking device as claimed in claim 1, characterized in that: A threaded rod (7) and two guide rods (9) are arranged in a ring array on the other side of the movable ring plate (5); The threaded rod (7) is threadedly mounted on the connecting ring plate (3), the inner end of the threaded rod (7) is rotatably connected to the movable ring plate (5), and the outer end of the threaded rod (7) is fixedly provided with a rotating handle (8); Wherein, the guide rod (9) is penetrated on the connecting ring plate (3).

4. A clinker double-pass sealing and air-locking device as claimed in claim 1, characterized in that: An annular strip (101) is fixedly provided on one side of the fixed ring plate (1), a sealing sheet (102) is arranged on the outer wall of the annular strip (101), and the annular strip (101) and the sealing sheet (102) are in abutment with an annular groove (401) provided at the other end of the annular baffle B (4); The cross-sections of the annular strip (101) and the sealing sheet (102) are arranged to be trapezoidal, and the annular strip (101) and the sealing sheet (102) are adapted to the annular groove (401).

5. A clinker double-pass sealing and air-locking device as claimed in claim 1, characterized in that: A joint (201) is arranged at the opening of the annular baffle A (2).

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