An external locking explosion-proof device for a gasifier

Abstract

The present invention discloses an external locking explosion-proof device for a gasifier, which includes a base. Positioning seats are provided at the four sides of the base, and a locking mechanism and an explosion-proof mechanism are provided on the positioning seats; the locking mechanism is fixed on the positioning seat through fixing bolts, and the locking mechanism is connected to the explosion-proof mechanism; the locking mechanism includes a positioning block. First fixing blocks are provided on both sides of the positioning block, and fixing grooves are provided on the first fixing blocks. The fixing bolts pass through the fixing grooves, and the first fixing blocks are fixed on the positioning seats through the fixing bolts; a locking shaft arranged vertically is provided on the positioning block; the explosion-proof mechanism includes a locking plate, a locking part is provided at the front of the locking plate, and a first locking groove is provided at the inner facing surface position of the locking part. The locking part of the present invention firmly locks the outer peripheral surface of the bottom of the gasifier through the first locking groove, thereby preventing explosion at the bottom of the gasifier, and greatly improving the efficiency of explosion-proof treatment for the gasifier.

Description

Technical Field

[0001] The present invention relates to an explosion-proof device, and particularly to an externally locked explosion-proof device for a gasifier. Background Art

[0002] A gasifier involves a lower ash outlet, a cooling jacket, a water-cooled grate structure, a furnace body, a quick-opening upper ash outlet, and a feed port sealing cover. The middle and upper parts of the straw gasifier are the furnace body, which serves as both a charging bin for the straw material to be burned and a combustion chamber. A feed port is provided at the center position of the upper end of the furnace body, and a water-sealed feed port sealing cover is provided on the feed port. A water-cooled grate structure is provided in the middle and lower parts of the straw gasifier as the combustion grate of the gasifier. The lower furnace body below the water-cooled grate structure is provided with a sandwich cooling jacket, and the water in the cooling jacket is communicated with the water in the water-cooled grate structure and driven to circulate by a water pump. The existing gasifiers have poor safety and low explosion-proof coefficients. Summary of the Invention

[0003] The present invention mainly solves the technical problems existing in the prior art, and thus provides an externally locked explosion-proof device for a gasifier, in which the locking part firmly locks the outer peripheral surface of the bottom of the gasifier through a first locking groove, thereby preventing explosion at the bottom of the gasifier and greatly improving the efficiency of explosion-proof treatment for the gasifier.

[0004] The above technical problems of the present invention are mainly solved by the following technical solutions:

[0005] An externally locked explosion-proof device for a gasifier includes a base. Positioning seats are provided at the four sides of the base, and a locking mechanism and an explosion-proof mechanism are provided on the positioning seats. The locking mechanism is fixed on the positioning seat through fixing bolts, and the locking mechanism is connected to the explosion-proof mechanism. The locking mechanism includes a positioning block. First fixing blocks are provided on both sides of the positioning block, and fixing grooves are provided on the first fixing blocks. The fixing bolts pass through the fixing grooves, and the first fixing blocks are fixed on the positioning seats through the fixing bolts. A vertically arranged locking shaft is provided on the positioning block. The explosion-proof mechanism includes a locking plate. A locking part is provided at the front of the locking plate. A first locking groove is provided at the inner facing surface of the locking part. A sleeve is provided at the rear of the locking plate. A sleeve groove is provided axially on the sleeve. The sleeve is sleeved on the outer peripheral surface of the locking shaft through the sleeve groove. Sliders are provided on both the top surface and the bottom surface of the locking plate. The sliders are installed on the positioning seats.

[0006] Further, a locking disc is provided at the end of the locking shaft. A second locking groove is provided at the side of the locking disc. The outer end of the second locking groove is a free end, and the inner end of the second locking groove is communicated with the axis center of the locking disc. The axis center of the locking disc is sleeved on the outer peripheral surface of the locking shaft. A first locking nut is provided between the locking disc and the locking shaft, and the first locking nut is fixed on the outer peripheral surface of the locking shaft.

[0007] Furthermore, the explosion-proof mechanism is fixed on the base through a stop mechanism; a stop mechanism is provided on the base, and the stop mechanism includes a first fixed shaft and a second fixed shaft. The first fixed shaft and the second fixed shaft are arranged vertically, and the first fixed shaft and the second fixed shaft are fixed on the base. A lock block is provided at the upper ends of the first fixed shaft and the second fixed shaft, and the lock block is locked on the lock plate; a third fixed block is provided at the lower end of the first fixed shaft, and a fourth fixed block is provided at the lower end of the second fixed shaft. The third fixed block and the fourth fixed block are fixed on the base; a third lock groove is provided on the lock block, the upper end of the first fixed shaft passes through the third lock groove, and a second lock nut is provided at the upper end of the first fixed shaft. The second lock nut is fixed on the lock block;

[0008] Furthermore, a guide seat is provided on the gear position seat. A groove is provided at the bottom of the guide seat, and a horizontal guide groove and a vertical guide groove are provided on the top surface of the guide seat. The horizontal guide groove and the vertical guide groove are arranged perpendicular to each other, and the slider at the bottom of the lock plate is installed in the horizontal guide groove; a number of X-axis guide grooves arranged at equal intervals are provided on the top surface of the gear position seat, and a number of Y-axis guide grooves arranged at equal intervals are provided on the top surface of the gear position seat. The Y-axis guide groove and the X-axis guide groove are arranged perpendicular to each other; the guide seat is installed on the Y-axis guide groove and the X-axis guide groove;

[0009] Furthermore, a slot is provided at the middle position of the base, and side shells are provided at the four corner positions of the base. A side groove is provided inside the side shell; a fixing groove is provided on the back of the side shell, and a second fixed block is provided at the outer side part of the base. The second fixed block is installed in the fixing groove; the cross-sections of the fixing groove and the second fixed block are both in the shape of a convex character.

[0010] For the gasifier outer locking explosion-proof device adopting the above technical solution, the operator sets the explosion-proof device on the bottom of the gasifier. The locking part is locked on the outer peripheral surface of the bottom of the gasifier through the first lock groove. The base is fixedly installed on the first fixed block through a fixing bolt, the positioning block is fixedly installed through the first fixed block, the sleeve is fixedly installed through the locking shaft by the positioning block, the locking part is fixedly installed through the lock plate by the sleeve, the strength of the lock plate is increased through the slider, and the locking part firmly locks the outer peripheral surface of the bottom of the gasifier through the first lock groove, thereby preventing explosion at the bottom of the gasifier and greatly improving the efficiency of explosion-proof treatment for the gasifier. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic structural diagram of the gasifier outer locking explosion-proof device of the present invention.

[0012] Figure 2 It is an exploded view of the components of the gasifier outer locking explosion-proof device of the present invention.

[0013] Figure 3 It is a schematic structural diagram of the locking mechanism of the present invention.

[0014] Figure 4This is an exploded view of the components of the locking mechanism described in the present invention.

[0015] Figure 5 This is a schematic structural diagram of the stopping mechanism described in the present invention.

[0016] Figure 6 For Figure 2 a detailed enlarged view of area A in

[0017] Legend: 1 - base, 2 - gear position seat, 3 - fixing bolt, 4 - locking mechanism, 5 - explosion-proof mechanism, 6 - locking plate, 7 - locking part, 8 - first locking groove, 9 - sleeve, 10 - sleeve groove, 11 - slider, 12 - positioning block, 13 - first fixing block, 14 - fixing groove, 15 - locking shaft, 16 - locking disc, 17 - second locking groove, 18 - first locking nut, 19 - guiding seat, 20 - slot, 21 - side shell, 22 - side groove, 23 - fixing groove, 24 - second fixing block, 25 - X-axis guiding groove, 26 - Y-axis guiding groove, 27 - stopping mechanism, 28 - first fixing shaft, 29 - second fixing shaft, 30 - third fixing block, 31 - fourth fixing block, 32 - locking block, 33 - third locking groove, 34 - second locking nut, 35 - groove, 36 - transverse guiding groove, 37 - longitudinal guiding groove. Detailed implementation mode

[0018] The present invention will be further described below in conjunction with the accompanying drawings of the specification and specific preferred embodiments, but the protection scope of the present invention is not limited thereby.

[0019] As Figures 1 to 6 shown, a gasifier external locking type explosion-proof device includes a base 1, gear position seats 2 are arranged at the four sides of the base 1, and a locking mechanism 4 and an explosion-proof mechanism 5 are arranged on the gear position seats 2; the locking mechanism 4 is fixed on the gear position seat 2 through a fixing bolt 3, and the locking mechanism 4 is connected to the explosion-proof mechanism 5; the locking mechanism 4 includes a positioning block 12, first fixing blocks 13 are arranged on both sides of the positioning block 12, fixing grooves 14 are arranged on the first fixing blocks 13, the fixing bolt 3 passes through the fixing groove 14, and the first fixing blocks 13 are fixed on the gear position seat 2 through the fixing bolt 3; a vertically arranged locking shaft 15 is arranged on the positioning block 12; the explosion-proof mechanism 5 includes a locking plate 6, a locking part 7 is arranged at the front of the locking plate 6, a first locking groove 8 is arranged at the inner facing surface position of the locking part 7, a sleeve 9 is arranged at the rear of the locking plate 6, a sleeve groove 10 is arranged axially on the sleeve 9, and the sleeve 9 is sleeved on the outer peripheral surface of the locking shaft 15 through the sleeve groove 10; sliders 11 are arranged on both the top surface and the bottom surface of the locking plate 6; the sliders 11 are installed on the gear position seat 2.

[0020] The external locking explosion-proof device of the gasifier of the present invention. The operator sets the explosion-proof device on the bottom of the gasifier. The locking part 7 is locked to the outer peripheral surface of the bottom of the gasifier through the first locking groove 8. The base 1 fixes and installs the first fixing block 13 through the fixing bolt 3, fixes and installs the positioning block 12 through the first fixing block 13, fixes and installs the sleeve 9 through the locking shaft 15 on the positioning block 12, fixes and installs the locking part 7 through the locking plate 6 on the sleeve 9, increases the strength of the locking plate 6 through the slider 11, and the locking part 7 firmly locks the outer peripheral surface of the bottom of the gasifier through the first locking groove 8, thereby preventing explosion at the bottom of the gasifier, greatly improving the efficiency of explosion-proof treatment of the gasifier.

[0021] Preferably, a locking disc 16 is provided at the end of the locking shaft 15. A second locking groove 17 is provided on the side of the locking disc 16. The outer end of the second locking groove 17 is a free end, and the inner end of the second locking groove 17 communicates with the axis center of the locking disc 16. The axis center of the locking disc 16 is sleeved on the outer peripheral surface of the locking shaft 15; a first locking nut 18 is provided between the locking disc 16 and the locking shaft 15, and the first locking nut 18 is fixed on the outer peripheral surface of the locking shaft 15; the upper end of the sleeve 9 is firmly locked through the locking disc 16, and the locking disc 16 is firmly installed on the locking shaft 15 through the first locking nut 18.

[0022] Preferably, a stop mechanism 27 is provided on the base 1, and the explosion-proof mechanism 5 is fixed on the base 1 through the stop mechanism 27; the stop mechanism 27 includes a first fixed shaft 28 and a second fixed shaft 29, the first fixed shaft 28 and the second fixed shaft 29 are arranged vertically, the first fixed shaft 28 and the second fixed shaft 29 are fixed on the base 1, and locking blocks 32 are provided at the upper ends of the first fixed shaft 28 and the second fixed shaft 29, and the locking blocks 32 are locked on the locking plate 6; a third fixed block 30 is provided at the lower end of the first fixed shaft 28, a fourth fixed block 31 is provided at the lower end of the second fixed shaft 29, and the third fixed block 30 and the fourth fixed block 31 are fixed on the base 1; a third locking groove 33 is provided on the locking block 32, the upper end of the first fixed shaft 28 passes through the third locking groove 33, and a second locking nut 34 is provided at the upper end of the first fixed shaft 28, and the second locking nut 34 is fixed on the locking block 32; the lower ends of the first fixed shaft 28 and the second fixed shaft 29 are fixed and installed through the third fixed block 30 and the fourth fixed block 31, the upper ends of the first fixed shaft 28 and the second fixed shaft 29 are fixed and installed through the locking block 32, and the upper end of the locking block 32 and the first fixed shaft 28 are fixed and installed through the second locking nut 34, so that the locking block 32 firmly installs the locking plate 6 on the base 1.

[0023] Preferably, a guiding seat 19 is provided on the gear position seat 2. A groove 35 is provided at the bottom of the guiding seat 19. A transverse guiding groove 36 and a longitudinal guiding groove 37 are provided on the top surface of the guiding seat 19. The transverse guiding groove 36 and the longitudinal guiding groove 37 are arranged perpendicularly. The slider 11 at the bottom of the lock plate 6 is installed in the transverse guiding groove 36. A number of X-axis guiding grooves 25 arranged at equal intervals are provided on the top surface of the gear position seat 2. A number of Y-axis guiding grooves 26 arranged at equal intervals are provided on the top surface of the gear position seat 2. The Y-axis guiding grooves 26 and the X-axis guiding grooves 25 are arranged perpendicularly. The guiding seat 19 is installed on the Y-axis guiding grooves 26 and the X-axis guiding grooves 25. The lock plate 6 is supported by the guiding seat 19. The lock plate 6 is moved and adjusted along the transverse guiding groove 36 through the slider 11, and the sliding adjustment of the lock plate 6 is made more flexible through the guiding seat 19.

[0024] Preferably, a slot 20 is provided at the middle position of the base 1. Side shells 21 are provided at the four corner positions of the base 1. A side groove 22 is provided inside the side shell 21. A fixing groove 23 is provided on the back of the side shell 21. A second fixing block 24 is provided at the outer side part of the base 1. The second fixing block 24 is installed in the fixing groove 23. The cross sections of the fixing groove 23 and the second fixing block 24 are both in the shape of a convex character. The side shell 21 facilitates the installation of the four corner positions of the base 1 through the side groove 22, and the side shell 21 is firmly installed at the outer facing surface position of the second fixing block 24 through the fixing groove 23.

[0025] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the technical solution of the present invention shall fall within the scope of the protection of the technical solution of the present invention.

Claims

1. An externally locked explosion-proof device for a gasifier, comprising a base (1). Positioning seats (2) are provided at the four sides of the base (1). A locking mechanism (4) and an explosion-proof mechanism (5) are provided on the positioning seats (2); the locking mechanism (4) is fixed on the positioning seat (2) through a fixing bolt (3), and the locking mechanism (4) is connected to the explosion-proof mechanism (5). It is characterized in that: The locking mechanism (4) includes a positioning block (12). First fixing blocks (13) are provided on both sides of the positioning block (12). Fixing grooves (14) are provided on the first fixing blocks (13). The fixing bolt (3) passes through the fixing groove (14), and the first fixing block (13) is fixed on the positioning seat (2) through the fixing bolt (3); a locking shaft (15) arranged vertically is provided on the positioning block (12); the explosion-proof mechanism (5) includes a locking plate (6). A locking part (7) is provided at the front of the locking plate (6). A first locking groove (8) is provided at the inner facing surface of the locking part (7). A sleeve (9) is provided at the rear of the locking plate (6). A sleeve groove (10) is provided axially in the sleeve (9). The sleeve (9) is sleeved on the outer peripheral surface of the locking shaft (15) through the sleeve groove (10); sliding blocks (11) are provided on both the top surface and the bottom surface of the locking plate (6); the sliding blocks (11) are installed on the positioning seat (2). A locking disc (16) is provided at the end of the locking shaft (15). A second locking groove (17) is provided at the side of the locking disc (16). The outer end of the second locking groove (17) is a free end, and the inner end of the second locking groove (17) communicates with the axial center of the locking disc (16). The axial center of the locking disc (16) is sleeved on the outer peripheral surface of the locking shaft (15); a first locking nut (18) is provided between the locking disc (16) and the locking shaft (15), and the first locking nut (18) is fixed on the outer peripheral surface of the locking shaft (15). A stopping mechanism (27) is provided on the base (1). The explosion-proof mechanism (5) is fixed on the base (1) through the stopping mechanism (27); the stopping mechanism (27) includes a first fixing shaft (28) and a second fixing shaft (29). The first fixing shaft (28) and the second fixing shaft (29) are arranged vertically. The first fixing shaft (28) and the second fixing shaft (29) are fixed on the base (1). A locking block (32) is provided at the upper ends of the first fixing shaft (28) and the second fixing shaft (29). The locking block (32) is locked on the locking plate (6).

2. The external locking explosion-proof device for a gasifier according to claim 1, wherein: A third fixing block (30) is provided at the lower end of the first fixing shaft (28), and a fourth fixing block (31) is provided at the lower end of the second fixing shaft (29). The third fixing block (30) and the fourth fixing block (31) are fixed on the base (1).

3. The external lock-type explosion-proof device for a gasifier according to claim 1, characterized in that: A third locking groove (33) is provided on the locking block (32). The upper end of the first fixing shaft (28) passes through the third locking groove (33). A second locking nut (34) is provided at the upper end of the first fixing shaft (28), and the second locking nut (34) is fixed on the locking block (32).

4. The external locking explosion-proof device for a gasifier according to claim 1, characterized in that: The gear position seat (2) is provided with a guiding seat (19). The bottom of the guiding seat (19) is provided with a groove (35). The top surface of the guiding seat (19) is provided with a transverse guiding groove (36) and a longitudinal guiding groove (37). The transverse guiding groove (36) and the longitudinal guiding groove (37) are arranged perpendicularly. The slider (11) at the bottom of the lock plate (6) is installed in the transverse guiding groove (36).

5. The external lock-connected explosion-proof device for a gasifier according to claim 4, characterized in that: The top surface of the gear position seat (2) is provided with a number of X-axis guiding grooves (25) arranged at equal intervals. The top surface of the gear position seat (2) is provided with a number of Y-axis guiding grooves (26) arranged at equal intervals. The Y-axis guiding grooves (26) and the X-axis guiding grooves (25) are arranged perpendicularly; the guiding seat (19) is installed on the Y-axis guiding grooves (26) and the X-axis guiding grooves (25).

6. The external locking explosion-proof device for a gasifier according to claim 1, characterized in that: A slot (20) is provided at the middle position of the base (1). Side shells (21) are provided at the four corner positions of the base 1. A side groove (22) is provided inside the side shell (21).

7. The external locking explosion-proof device for a gasifier according to claim 6, wherein: A fixing groove (23) is provided on the back surface of the side shell (21). A second fixing block (24) is provided at the outer side part of the base (1). The second fixing block (24) is installed in the fixing groove (23).

8. The external locking explosion-proof device for a gasifier according to claim 7, characterized in that: The cross sections of the fixing groove (23) and the second fixing block (24) are both in the shape of a convex character.

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