Dome structure for rotary furnace

Abstract

The utility model relates to the technical field of rotary furnace domes, and discloses a dome structure for a rotary furnace, which comprises a bottom frame part and a dome part, connecting mechanisms are arranged on two sides of the bottom frame part and the dome part, each connecting mechanism comprises a connecting plate I, an embedding block, a connecting plate II, a connecting side block I and a connecting side block II, one side of the first connecting side block is fixedly connected with the side edge of the bottom frame part, one side of the second connecting side block is fixedly connected with the side edge of the dome part, the side edge of the first connecting plate is attached to the end of the bottom frame part and the end of the dome part, and the side edge of the second connecting plate is attached to the other end of the bottom frame part and the other end of the dome part. According to the dome structure for the rotary furnace, the bottom frame part and the dome part can be effectively mounted, so that deviation cannot occur in the mounting process of the dome part, meanwhile, the situation that a large number of bolts are needed for matched mounting is avoided, the mounting process is simplified, the mounting efficiency is improved, and meanwhile normal use after mounting is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary furnace domes, in particular to a dome structure used for a rotary furnace. Background Art

[0002] The rotary kiln is a thermal equipment for calcining, roasting or drying granular and powdered materials. As a conventional kiln type, the rotary kiln has existed for hundreds of years, but they are all large or super large, and are mainly used for primary rough processing of powder or mineral materials.

[0003] However, the following problems still exist in actual use:

[0004] The dome and bottom frame of the existing rotary furnace are mostly connected by multiple sets of bolts. This method requires workers to repeatedly install multiple sets of bolts at the connection position of the dome and the bottom frame. The actual operation is time-consuming and laborious. Long-term operation will cause the bolts to be not connected in place, thereby affecting the actual effect of the overall device. In addition, the existing dome structure is relatively simple, and its rigidity performance is poor in actual use. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a dome structure for a rotary kiln, which has the advantages of being able to quickly assemble the dome part and the bottom frame part effectively and improving the rigidity of the dome, thereby solving the problems raised in the background technology.

[0006] The utility model provides the following technical scheme: a dome structure for a rotary kiln, comprising: a bottom frame portion and a dome portion, wherein connecting mechanisms are arranged on both sides of the bottom frame portion and the dome portion, wherein the connecting mechanism comprises a connecting plate 1, a fitting block, a connecting plate 2, a connecting side block 1 and a connecting side block 2, wherein one side of the connecting side block 1 is fixedly connected to the side edge of the bottom frame portion, one side of the connecting side block 2 is fixedly connected to the side edge of the dome portion, the side edge of the connecting plate 1 is fitted with the end portions of the bottom frame portion and the dome portion, the side edge of the connecting plate 2 is fitted with the other end of the bottom frame portion and the dome portion, the two ends of the fitting block are fixedly connected with the opposite sides of the connecting plate 1 and the connecting plate 2, a fitting groove is provided inside the fitting block, and the outer surfaces of the connecting side block 1 and the connecting side block 2 are fitted with the inside of the fitting groove.

[0007] Preferably, a plurality of groups of longitudinal reinforcing ribs and transverse reinforcing ribs are welded inside the dome portion, and a plurality of groups of reinforcing steel plates are welded on the outer surface of the dome portion.

[0008] Preferably, both sides of the connecting plate 1 are provided with a reserved hole 1, and the reserved hole 1 penetrates into the interior of the bottom frame and the dome portion, and both sides of the connecting plate 2 are provided with a reserved hole 2, and the reserved hole 2 penetrates into the interior of the bottom frame and the dome portion.

[0009] Preferably, two groups of the connecting side blocks 1 and 2 are provided, and the two groups of connecting side blocks 1 and 2 are symmetrically arranged about the center line of the bottom frame portion and the dome portion.

[0010] Preferably, the bottom frame portion and the dome portion are in contact with each other at opposite sides, and notches are provided at both ends of the bottom frame portion and the dome portion.

[0011] Preferably, the longitudinal reinforcing ribs and the transverse reinforcing ribs are arranged in a cross shape, and the longitudinal reinforcing ribs and the transverse reinforcing ribs are welded at the cross positions.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The dome structure for a rotary kiln is provided with a connecting mechanism. When the bottom frame and the dome are assembled and installed, since the two sides of the bottom frame and the dome are respectively connected with the connecting side block 1 and the connecting side block 2, and one side of the embedding block is provided with an embedding groove, the embedding block is inserted into the embedding groove provided by the connecting side block 1 and the connecting side block 2. At this time, the connecting plate 1 and the connecting plate 2 connected on both sides of the embedding block are respectively attached to the front and rear sides of the bottom frame and the dome, and the reserved holes 2 and 1 opened on the connecting plate 1, the connecting plate 2, the bottom frame and the dome are in an overlapping state, and the position of the embedding block is fixed with the existing bolts, thereby completing the assembly of the bottom frame and the dome. The setting of this structure can effectively install the bottom frame and the dome, so that there will be no deviation during the installation of the dome, and at the same time avoid the need for a large number of bolts for coordinated installation, simplifying the installation process, improving the installation efficiency, and ensuring normal use after installation.

[0014] 2. The dome structure for the rotary furnace is provided with reinforcing steel plates, longitudinal reinforcing ribs and transverse reinforcing ribs, wherein the longitudinal reinforcing ribs and transverse reinforcing ribs are combined into a mesh-like internal reinforcing structure, thereby strengthening the rigidity of the dome to extend the service life of the dome, and the reinforcing steel plates are arranged longitudinally on the outer surface of the dome to further strengthen the structural rigidity of the dome, strengthen the coordination between the steel plates, longitudinal reinforcing ribs and transverse reinforcing ribs, and ensure the performance of the dome in actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model device;

[0016] Figure 2 For this utility model Figure 1 Side view of the structure;

[0017] Figure 3 For this utility model Figure 1 Schematic diagram of the cross-section structure;

[0018] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0019] In the figure: 1. bottom frame; 2. dome; 3. reinforcing steel plate; 4. connecting mechanism; 5. reserved hole 1; 6. notch; 7. connecting plate 1; 8. engaging block; 9. connecting plate 2; 10. reserved hole 2; 11. longitudinal reinforcing rib; 12. transverse reinforcing rib; 13. connecting side block 1; 14. connecting side block 2; 15. engaging groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 , Figure 2 , Figure 3 and Figure 4A dome structure for a rotary furnace comprises: a bottom frame portion 1 and a dome portion 2, a connecting mechanism 4 is arranged on both sides of the bottom frame portion 1 and the dome portion 2, the connecting mechanism 4 comprises a connecting plate 1 7, a fitting block 8, a connecting plate 2 9, a connecting side block 13 and a connecting side block 2 14, one side of the connecting side block 13 is fixedly connected to the side edge of the bottom frame portion 1, one side of the connecting side block 2 14 is fixedly connected to the side edge of the dome portion 2, the side edge of the connecting plate 1 7 is fitted with the end of the bottom frame portion 1 and the dome portion 2, the side edge of the connecting plate 2 9 is fitted with the other end of the bottom frame portion 1 and the dome portion 2, the two ends of the fitting block 8 are fixedly connected with the opposite sides of the connecting plate 1 7 and the connecting plate 2 9, a fitting groove 15 is provided inside the fitting block 8, the outer surfaces of the connecting side block 1 13 and the connecting side block 2 14 are fitted with the inside of the fitting groove 15, and reserved holes 5 are provided on both sides of the connecting plate 1 7, and the reserved holes 5 penetrate into the bottom frame The interior of the bottom frame 1 and the dome portion 2, both sides of the connecting plate 2 9 are provided with reserved holes 2 10, and the reserved holes 2 10 penetrate into the interior of the bottom frame portion 1 and the dome portion 2. When the bottom frame portion 1 and the dome portion 2 are assembled and installed, since the two sides of the bottom frame portion 1 and the dome portion 2 are respectively connected with the connecting side block 13 and the connecting side block 2 14, and one side of the embedding block 8 is provided with an embedding groove 15, the embedding block 8 is inserted into the embedding groove 15 provided with the connecting side block 13 and the connecting side block 2 14. At this time, the connecting plate 1 7 and the connecting plate 2 9 connected on both sides of the embedding block 8 are respectively attached to the front and rear sides of the bottom frame portion 1 and the dome portion 2, and the reserved holes 2 10 and the reserved holes 15 provided on the connecting plate 1 7, the connecting plate 2 9, the bottom frame portion 1 and the dome portion 2 are in an overlapping state, and then the position of the embedding block 8 is fixed with the existing bolts, thereby completing the assembly of the bottom frame portion 1 and the dome portion 2.

[0022] See also Figure 1 and Figure 3 A plurality of groups of longitudinal reinforcing ribs 11 and transverse reinforcing ribs 12 are welded inside the dome 2, and a plurality of groups of reinforcing steel plates 3 are welded on the outer surface of the dome 2. The longitudinal reinforcing ribs 11 and the transverse reinforcing ribs 12 are combined into a mesh-like internal reinforcing structure, thereby enhancing the rigidity of the dome 2 to extend the service life of the dome 2, and the reinforcing steel plates 3 are longitudinally arranged on the outer surface of the dome 2 to further enhance the structural rigidity of the dome 2.

[0023] See also Figure 4 There are two groups of connecting side blocks 13 and connecting side blocks 2 14 , and the two groups of connecting side blocks 13 and connecting side blocks 2 14 are symmetrically arranged about the midline of the bottom frame portion 1 and the dome portion 2 .

[0024] See also Figure 1 The bottom frame portion 1 and the dome portion 2 are fitted at opposite sides, and slots 6 are provided at both ends of the bottom frame portion 1 and the dome portion 2.

[0025] See also Figure 3The longitudinal reinforcing ribs 11 and the transverse reinforcing ribs 12 are arranged in a cross shape, and the longitudinal reinforcing ribs 11 and the transverse reinforcing ribs 12 are welded at the cross positions.

[0026] Working principle: when in use, first, when the bottom frame part 1 and the dome part 2 are assembled and installed, since the two sides of the bottom frame part 1 and the dome part 2 are respectively connected with the connecting side block 13 and the connecting side block 2 14, and a fitting groove 15 is provided on one side of the fitting block 8, the fitting block 8 is inserted into the fitting groove 15 provided by the connecting side block 13 and the connecting side block 2 14. At this time, the connecting plate 1 7 and the connecting plate 2 9 connected on both sides of the fitting block 8 are respectively attached to the front and back sides of the bottom frame part 1 and the dome part 2, and the connecting plate 1 7, the connecting plate 2 9, the reserved hole 2 10 and the reserved hole 1 5 provided on the bottom frame part 1 and the dome part 2 are in an overlapping state, and then the position of the fitting block 8 is fixed with the existing bolts, thereby completing the assembly of the bottom frame part 1 and the dome part 2.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dome structure for a rotary kiln, characterized in that: include: A bottom frame portion (1) and a dome portion (2), wherein a connecting mechanism (4) is arranged on both sides of the bottom frame portion (1) and the dome portion (2), wherein the connecting mechanism (4) comprises a connecting plate 1 (7), a fitting block (8), a connecting plate 2 (9), a connecting side block 1 (13) and a connecting side block 2 (14), wherein one side of the connecting side block 1 (13) is fixedly connected to the side edge of the bottom frame portion (1), and one side of the connecting side block 2 (14) is fixedly connected to the side edge of the dome portion (2). The side edge of the connecting plate 1 (7) is fitted with the end of the bottom frame portion (1) and the dome portion (2), the side edge of the connecting plate 2 (9) is fitted with the other end of the bottom frame portion (1) and the dome portion (2), the two ends of the engaging block (8) are fixedly connected to the opposite sides of the connecting plate 1 (7) and the connecting plate 2 (9), the engaging block (8) is provided with an engaging groove (15) inside, and the outer surfaces of the connecting side block 1 (13) and the connecting side block 2 (14) are fitted with the inside of the engaging groove (15).

2. The dome structure for a rotary kiln according to claim 1, characterized in that: A plurality of groups of longitudinal reinforcing ribs (11) and transverse reinforcing ribs (12) are welded inside the dome portion (2), and a plurality of groups of reinforcing steel plates (3) are welded on the outer surface of the dome portion (2).

3. The dome structure for a rotary kiln according to claim 1, characterized in that: The two sides of the connecting plate 1 (7) are provided with a reserved hole 1 (5), and the reserved hole 1 (5) penetrates into the interior of the bottom frame part (1) and the dome part (2); the two sides of the connecting plate 2 (9) are provided with a reserved hole 2 (10), and the reserved hole 2 (10) penetrates into the interior of the bottom frame part (1) and the dome part (2).

4. The dome structure for a rotary kiln according to claim 1, characterized in that: The connecting side blocks 1 (13) and the connecting side blocks 2 (14) are each provided in two groups, and the two groups of connecting side blocks 1 (13) and connecting side blocks 2 (14) are symmetrically arranged about the midline of the bottom frame portion (1) and the dome portion (2).

5. The dome structure for a rotary kiln according to claim 1, characterized in that: The bottom frame portion (1) and the dome portion (2) are fitted at opposite sides, and notches (6) are provided at both ends of the bottom frame portion (1) and the dome portion (2).

6. The dome structure for a rotary kiln according to claim 2, characterized in that: The longitudinal reinforcing ribs (11) and the transverse reinforcing ribs (12) are arranged in a cross shape, and the longitudinal reinforcing ribs (11) and the transverse reinforcing ribs (12) are welded at the cross positions.

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