Smoke tube dredging device for acid-making waste heat boiler

Abstract

The utility model belongs to the technical field of boiler smoke tube dredging, and particularly relates to an acid-making waste heat boiler smoke tube dredging device which comprises a base, a supporting plate is fixedly connected to the top of the base, a lifting plate is arranged on the supporting plate, a portal frame is fixedly connected to the top of the lifting plate, and a lifting mechanism is arranged between the lifting plate and the supporting plate. A smoke pipe of the acid-making waste heat boiler is arranged on one side of the supporting plate, and a drilling-through smashing mechanism used for drilling through the firmly-blocked position of the smoke pipe is arranged between the portal frame and the lifting plate. According to the utility model, through the drill bit and the crushing cutter which move downwards while rotating, the blocked position in the smoke pipe can be drilled through firstly, then the crushed smoke pipe is crushed into smaller blocks through the crushing cutter, so that the smoke pipe can be washed off in the later stage, and the smoke pipe can be comprehensively washed through a gas-water mixed solution sprayed by the rotating spray disc and the spray head; impurities such as accumulated dust and scales in the smoke pipe can be washed away, so that the dredging effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler flue pipe dredging technical field especially relates to a kind of acid-making waste heat boiler flue pipe dredging device. BACKGROUND

[0002] In the process of making acid, waste heat boiler needs to be used, and flue pipe is generally connected on waste heat boiler, after long time use, acid-making waste heat boiler flue pipe is easy to be blocked, and needs to use dredging device to dredge flue pipe.

[0003] However, the acid-making waste heat boiler flue pipe dredging device in the related art still has some deficiencies, it is not convenient to drill through the position where it is blocked and then cut and crush, if directly flushed, it is easy to not be cleaned thoroughly, reducing the effect of flue pipe dredging, therefore we propose an acid-making waste heat boiler flue pipe dredging device to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the above-mentioned shortcomings, and proposes an acid-making waste heat boiler flue pipe dredging device.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] An acid-making waste heat boiler flue pipe dredging device, including base, the top of base is fixedly connected with support plate, the support plate is provided with lifting plate, the top of lifting plate is fixedly connected with gantry, lifting mechanism is arranged between lifting plate and support plate, the side of support plate is provided with the flue pipe of acid-making waste heat boiler, the gantry and lifting plate are provided with the drilling and crushing mechanism for drilling through the position where flue pipe is blocked, and the gantry is provided with flushing dredging mechanism.

[0007] As preferred in the utility model, the top of base is fixedly connected with counterweight, and two inclined plates are fixedly connected between base and support plate.

[0008] As preferred in the utility model, the lifting mechanism includes groove opened in one side of support plate and drive motor fixedly connected on the top of support plate, output shaft of drive motor is fixedly connected with lifting lead screw, and the outer side of lifting lead screw is threadedly sleeved with upper plate, and the one side of lifting plate is fixedly connected with upper plate.

[0009] As preferred in the utility model, the outer side of lifting lead screw is threadedly sleeved with lower plate, and upper plate and lower plate are slidably sleeved in groove.

[0010] As preferred in the utility model, the one side of lower plate is fixedly connected with reinforcing plate, and lifting plate is fixedly connected on the top of reinforcing plate.

[0011] As the utility model is preferred, the drill through powder crushing mechanism includes hollow drill pipe rotationally connected on the top of the lifting plate and servo motor fixedly connected on the top of the lifting plate, the output shaft of the servo motor is fixedly connected with the rotating shaft, the top of the rotating shaft is fixedly connected with the driving gear, the outside of the hollow drill pipe is fixedly sleeved with the driven gear, the driving gear is engaged with the driven gear, the outside of the hollow drill pipe is fixedly connected with a plurality of crushing knives, and the bottom of the hollow drill pipe is fixedly connected with the drill bit.

[0012] As the utility model is preferred, the flush dredging mechanism includes the spray disc fixedly sleeved on the outside of the hollow drill pipe, the water pump and the air pump fixedly connected on the top of the portal frame, and the connecting pipe rotationally connected on the top of the hollow drill pipe, the top of the connecting pipe is fixedly communicated with the three-way pipe, the water pump and the air pump are communicated with the top of the connecting pipe through the three-way pipe, the spray disc is communicated with the hollow drill pipe, the bottom of the spray disc is fixedly communicated with a plurality of spray heads, the top of the portal frame is fixedly connected with the sealing bearing, the top of the hollow drill pipe is fixedly connected in the inner ring of the sealing bearing, and the connecting pipe is fixedly connected with the outer ring of the sealing bearing.

[0013] As the utility model is preferred, the top of the portal frame is fixedly connected with two backing plates, and the water pump and the air pump are fixedly connected on the top of the corresponding backing plate.

[0014] In the utility model, the device is pushed to the side of the flue pipe of the acid-making waste heat boiler, the drill bit is aligned with the flue pipe, the driving motor and the servo motor are started, the driving motor drives the rotation of the lifting lead screw, the lifting lead screw drives the downward movement of the upper and lower plates and the lifting plate, the lifting plate drives the downward movement of the hollow drill pipe and the drill bit, the servo motor drives the rotation of the rotating shaft and the driving gear, the driving gear drives the rotation of the driven gear and the hollow drill pipe, and the hollow drill pipe drives the rotation of the drill bit to drill through the position of the blockage in the flue pipe.

[0015] In the utility model, the device is pushed to the side of the flue pipe of the acid-making waste heat boiler, the drill bit is aligned with the flue pipe, the driving motor and the servo motor are started, the driving motor drives the rotation of the lifting lead screw, the lifting lead screw drives the downward movement of the upper and lower plates and the lifting plate, the lifting plate drives the downward movement of the hollow drill pipe and the drill bit, the servo motor drives the rotation of the rotating shaft and the driving gear, the driving gear drives the rotation of the driven gear and the hollow drill pipe, and the hollow drill pipe drives the rotation of the drill bit to drill through the position of the blockage in the flue pipe.

[0016] The utility model discloses a reasonable structure design, through the drill bit and the smashing knife of side rotation side down -shift, can first drill through the position of the solid blockage in the smoke pipe, then through the smashing knife and smash into smaller pieces, it is favorable to flush away in later period, through the rotating spray disc and the spray head and spray the gas water mixture, can overall to the smoke pipe and flush, can wash away the dust, scale and other impurities in the smoke pipe, make the dredging effect better. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structure schematic view of a kind of acid-making waste heat boiler smoke pipe dredging device proposed in the utility model;

[0018] Figure 2 A partial sectional view of the support plate of a kind of acid-making waste heat boiler smoke pipe dredging device proposed in the utility model;

[0019] Figure 3 A structure schematic view of the drill through smashing mechanism and the flushing dredging mechanism of a kind of acid-making waste heat boiler smoke pipe dredging device proposed in the utility model;

[0020] Figure 4 A partial structure schematic view of the drill bit and the hollow drill rod of a kind of acid-making waste heat boiler smoke pipe dredging device proposed in the utility model.

[0021] In the drawing: 1, base;2, support plate;3, inclined plate;4, counterweight;5, lifting mechanism;6, lifting plate;7, portal frame;8, drill through smashing mechanism;9, flushing dredging mechanism;10, smoke pipe;51, drive motor;52, recess;53, lifting screw;54, upper plate;55, reinforcing plate;56, lower plate;81, hollow drill rod;82, servo motor;83, rotating shaft;84, driving tooth;85, driven tooth;86, smashing knife;87, drill bit;91, water pump;92, tee;93, connecting pipe;94, air pump;95, sealing bearing;96, spray disc;97, spray head. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] REFERENCE Figures 1-4The utility model provides a kind of acid-making waste heat boiler flue pipe dredging device, including base 1, the top of base 1 is fixedly connected with support plate 2, support plate 2 is provided with lifting plate 6, the top of lifting plate 6 is fixedly connected with gantry 7, lifting plate 6 is provided with lifting mechanism 5 between support plate 2, the side of support plate 2 is provided with the flue pipe 10 of acid-making waste heat boiler, the position for being blocked solid of flue pipe 10 is provided with the drilling pulverization mechanism 8 for drilling through using between gantry 7 and lifting plate 6, flushing dredging mechanism 9 is provided on gantry 7.

[0024] Further, the top of base 1 is fixedly connected with counterweight 4, two inclined plates 3 are fixedly connected between base 1 and support plate 2, to improve the stability of support plate 2 and base 1.

[0025] Further, referring to Figure 1 and Figure 2 As shown, lifting mechanism 5 includes groove 52 opened in one side of support plate 2 and drive motor 51 fixedly connected at the top of support plate 2, drive motor 51 is fixedly connected with lifting lead screw 53 on the output shaft, lifting lead screw 53 is threadedly sleeved with upper plate 54 on the outside, and upper plate 54 is fixedly connected on one side of lifting plate 6.

[0026] The above scheme is adopted: drive motor 51 drives the rotation of lifting lead screw 53, lifting lead screw 53 drives the downward movement of upper and lower plates and lifting plate 6, and lifting plate 6 drives the downward movement of hollow drill rod 81 and drill bit 87.

[0027] Further, the outside of lifting lead screw 53 is threadedly sleeved with lower plate 56, upper plate 54 and lower plate 56 are both slidingly sleeved in groove 52, one side of lower plate 56 is fixedly connected with reinforcing plate 55, and lifting plate 6 is fixedly connected at the top of reinforcing plate 55, to facilitate improving the stability of lifting plate 6.

[0028] Further, referring to Figure 1 , Figure 3 and Figure 4 As shown, drilling pulverization mechanism 8 includes hollow drill rod 81 rotatably connected at the top of lifting plate 6 and servo motor 82 fixedly connected at the top of lifting plate 6, servo motor 82 is fixedly connected with rotating shaft 83 on the output shaft, rotating shaft 83 is fixedly connected with driving gear 84 at the top end, driven gear 85 is fixedly sleeved on the outside of hollow drill rod 81, driving gear 84 is engaged with driven gear 85, a plurality of pulverizing knives 86 are fixedly connected on the outside of hollow drill rod 81, and drill bit 87 is fixedly connected at the bottom end of hollow drill rod 81.

[0029] Adopting the above scheme: the servo motor 82 drives the rotation of the rotating shaft 83 and the driving tooth 84, the driving tooth 84 drives the rotation of the driven tooth 85 and the hollow drill rod 81, the hollow drill rod 81 drives the rotation of the drill bit 87 to drill the position of the blockage in the smoke pipe 10, and at the same time the hollow drill rod 81 drives the rotation of the crushing knife 86, thereby the blocked sundries can be crushed into small pieces, which is beneficial to flushing later.

[0030] Further, referring to Figure 1 、 Figure 3 and Figure 4 , the flushing and dredging mechanism 9 comprises a spray disc 96 fixedly sleeved outside the hollow drill rod 81, a water pump 91 and an air pump 94 fixedly connected to the top of the gantry 7, and a connecting pipe 93 rotatably connected to the top end of the hollow drill rod 81. The top end of the connecting pipe 93 is fixedly connected with a three-way pipe 92. The water pump 91 and the air pump 94 are both connected to the top end of the connecting pipe 93 through the three-way pipe 92. The spray disc 96 is connected to the hollow drill rod 81. The bottom of the spray disc 96 is fixedly connected with a plurality of spray heads 97. The top of the gantry 7 is fixedly connected with a sealing bearing 95. The top end of the hollow drill rod 81 is fixedly connected to the inner ring of the sealing bearing 95. The connecting pipe 93 is fixedly connected to the outer ring of the sealing bearing 95.

[0031] Adopting the above scheme: starting the air pump 94 and the water pump 91 can draw water and air into the connecting pipe 93, the hollow drill rod 81 and the spray disc 96, and finally spray the gas-water mixture from the multiple spray heads 97 of the spray disc 96 to flush the sundries. The spray disc 96 rotates with the hollow drill rod 81, so that the flushing is more uniform and comprehensive, and the accumulated dust, scale and other impurities in the smoke pipe 10 can be flushed away, so that the dredging effect is better.

[0032] Further, the top of the gantry 7 is fixedly connected with two pads. The water pump 91 and the air pump 94 are fixedly connected to the top of the corresponding pad, which facilitates the support and fixation of the water pump 91 and the air pump 94.

[0033] In use, the device is pushed to the side of the smoke pipe 10 of the acid-making waste heat boiler, the drill bit 87 is aligned with the smoke pipe 10, the driving motor 51 and the servo motor 82 are started, the rotation of the lifting lead screw 53 is driven by the driving motor 51, the lifting lead screw 53 drives the downward movement of the upper and lower plates and the lifting plate 6, the lifting plate 6 drives the downward movement of the hollow drill rod 81 and the drill bit 87, meanwhile, the rotation shaft 83 and the driving tooth 84 are driven to rotate by the servo motor 82, the driving tooth 84 drives the rotation of the driven tooth 85 and the hollow drill rod 81, the rotation of the drill bit 87 is driven by the hollow drill rod 81 to drill the position of the smoke pipe 10 blocked by solid objects, meanwhile, the rotation of the crushing knife 86 is driven by the hollow drill rod 81, so that the blocked sundries can be crushed into small pieces, which is beneficial to the later flushing, meanwhile, the air pump 94 and the water pump 91 are started, water and air can be sucked into the connecting pipe 93, the hollow drill rod 81 and the spray disc 96, finally, the gas-water mixture is sprayed from the multiple nozzles 97 of the spray disc 96 to flush the sundries, so that the flushing effect is better, the accumulated ash, scale and other impurities in the smoke pipe 10 can be flushed away, so that the dredging effect is better.

Claims

1. A device for unblocking flue pipes in a waste heat boiler for acid production, characterized in that, Includes a base (1), a support plate (2) fixedly connected to the top of the base (1), a lifting plate (6) provided on the support plate (2), a gantry frame (7) fixedly connected to the top of the lifting plate (6), a lifting mechanism (5) provided between the lifting plate (6) and the support plate (2), a flue (10) of an acid waste heat boiler provided on one side of the support plate (2), a drilling and crushing mechanism (8) for drilling through the tightly blocked parts of the flue (10) provided between the gantry frame (7) and the lifting plate (6), and a flushing and unblocking mechanism (9) provided on the gantry frame (7).

2. The device for unblocking flue pipes of a waste heat boiler for acid production according to claim 1, characterized in that, A counterweight (4) is fixedly connected to the top of the base (1), and two inclined plates (3) are fixedly connected between the base (1) and the support plate (2).

3. The device for unblocking flue pipes of a waste heat boiler for acid production according to claim 1, characterized in that, The lifting mechanism (5) includes a groove (52) opened on one side of the support plate (2) and a drive motor (51) fixedly connected to the top of the support plate (2). A lifting screw (53) is fixedly connected to the output shaft of the drive motor (51). An upper plate (54) is threaded on the outer side of the lifting screw (53). The upper plate (54) is fixedly connected to one side of the lifting plate (6).

4. The flue gas pipe unblocking device for acid production waste heat boilers according to claim 3, characterized in that, The outer side of the lifting screw (53) is threaded with a lower plate (56), and the upper plate (54) and the lower plate (56) are both slidably sleeved in the groove (52).

5. The device for unblocking flue pipes of a waste heat boiler for acid production according to claim 4, characterized in that, A reinforcing plate (55) is fixedly connected to one side of the lower plate (56), and the lifting plate (6) is fixedly connected to the top of the reinforcing plate (55).

6. The device for unblocking flue pipes of a waste heat boiler for acid production according to claim 1, characterized in that, The drilling and crushing mechanism (8) includes a hollow drill rod (81) rotatably connected to the top of the lifting plate (6) and a servo motor (82) fixedly connected to the top of the lifting plate (6). A rotating shaft (83) is fixedly connected to the output shaft of the servo motor (82). An active tooth (84) is fixedly connected to the top of the rotating shaft (83). A driven tooth (85) is fixedly sleeved on the outer side of the hollow drill rod (81). The active tooth (84) meshes with the driven tooth (85). A plurality of crushing blades (86) are fixedly connected to the outer side of the hollow drill rod (81). A drill bit (87) is fixedly connected to the bottom end of the hollow drill rod (81).

7. The device for unblocking flue pipes of a waste heat boiler for acid production according to claim 6, characterized in that, The flushing and unblocking mechanism (9) includes a spray disc (96) fixedly sleeved on the outside of the hollow drill rod (81), a water pump (91) and an air pump (94) fixedly connected to the top of the gantry frame (7), and a connecting pipe (93) rotatably connected to the top of the hollow drill rod (81). The top of the connecting pipe (93) is fixedly connected to a three-way pipe (92). The water pump (91) and the air pump (94) are both connected to the top of the connecting pipe (93) through the three-way pipe (92). The spray disc (96) is connected to the hollow drill rod (81). The bottom of the spray disc (96) is fixedly connected to several nozzles (97). The top of the gantry frame (7) is fixedly connected to a sealed bearing (95). The top of the hollow drill rod (81) is fixedly connected to the inner ring of the sealed bearing (95). The connecting pipe (93) is fixedly connected to the outer ring of the sealed bearing (95).

8. The device for unblocking flue pipes of a waste heat boiler for acid production according to claim 7, characterized in that, The top of the gantry (7) is fixedly connected to two pads, and the water pump (91) and air pump (94) are respectively fixedly connected to the top of the corresponding pads.

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