Ash removal mechanism of waste heat boiler

Abstract

The utility model relates to the technical field of waste heat boiler cleaning, in particular to a waste heat boiler ash removal mechanism which comprises a left cross beam and a right cross beam, clamping devices are arranged on the left cross beam and the right cross beam, two winding rollers are fixedly connected to a round rod in a sleeved mode, supporting wires are wound around the winding rollers, the outer ends of the supporting wires are fixedly connected with the left cross beam, and the outer ends of the supporting wires are fixedly connected with the right cross beam. A moving plate is arranged between the left cross beam and the right cross beam, an ice outlet pipe of the dry ice cleaning evaporator is fixedly connected to the moving plate, a through hole for a supporting wire to penetrate through is further formed in the moving plate, the moving plate is fixedly connected with one end of a pull wire, the pull wire is wound on a winding roller, and the winding roller is fixedly connected to a second driving motor in a sleeving mode; and the second driving motor is fixedly arranged on the left cross beam. By means of the dry ice cleaning evaporator, the moving plate can move, the ice outlet pipe of the dry ice cleaning evaporator is driven to move in the length direction of boiler fins, cleaning of the boiler fins is achieved, manual cleaning of workers is omitted, and then time and physical power of the workers are saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of waste heat boiler cleaning, and particularly relates to a waste heat boiler ash removal mechanism. BACKGROUND

[0002] Waste heat boilers are devices for recovering heat, for example in the non-ferrous metallurgical field, where they are widely used to recover heat from the flue gases emitted by smelting furnaces.

[0003] After a waste heat boiler has been in use for some time, a large amount of dust is generated at the fins of the boiler, and if the dust is not cleaned for a long time, it will affect normal use. The existing cleaning method is to use a dry ice cleaning evaporator, and when cleaning, a worker holds an ice discharge pipe and sprays along the length of the boiler fins. This method is labor-intensive for the worker. SUMMARY

[0004] The utility model provides a waste heat boiler ash removal mechanism to solve the defects in the prior art.

[0005] The utility model is implemented by the following technical solutions:

[0006] A waste heat boiler ash removal mechanism comprises left and right horizontal beams arranged in parallel, clamping devices capable of clamping the boiler fins are arranged on the left and right horizontal beams, a first drive motor is fixedly arranged on the right horizontal beam, a circular rod is coaxially fixedly connected to the rotating shaft of the first drive motor, two winding rollers are fixedly sleeved on the circular rod, a support wire is wound around the winding rollers, the outer end of the support wire is fixedly connected to the left horizontal beam, a moving plate is arranged between the left and right horizontal beams, an ice discharge pipe of a dry ice cleaning evaporator is fixedly connected to the moving plate, a through hole through which the support wire passes is formed in the moving plate, one end of a pull wire fixedly connected to the moving plate is wound around a winding roller, and the winding roller is fixedly sleeved on a second drive motor, which is fixedly arranged on the left horizontal beam.

[0007] When in use, the left and right horizontal beams are placed at the two ends of the boiler fins and clamp the boiler fins, then the first drive motor is started, the first drive motor is rotated to make the support wire straight, the support wire supports the moving plate, then the dry ice cleaning evaporator and the second drive motor are started, the rotating shaft of the second drive motor is rotated to drive the winding roller to wind the pull wire, the pull wire is wound to drive the moving plate to move along the length of the boiler fins, and the ice discharge pipe of the dry ice cleaning evaporator is driven to move along the length of the boiler fins, thereby achieving cleaning of the boiler fins.

[0008] As preferred, the clamping device comprises vertical connecting the vertical rod at the bottom surface of the left cross beam and the right cross beam, the lower end of the vertical rod is vertically connected with the horizontal plate, the bottom surface of the horizontal plate is vertically connected with the left clamping plate, the bottom surface of the horizontal plate is fixedly connected with the slide rail in the transverse direction, the slide rail is matched with the sliding block, the sliding block is transversely provided with the screw hole, the screw hole is screwed with the screw rod, one end of the screw rod is rotatably connected with the fixed plate through the bearing, the fixed plate is vertically connected with the horizontal plate, and the bottom surface of the sliding block is vertically connected with the right clamping plate downward. Rotate the screw rod, the rotation of the screw rod drives the sliding block to have a rotating trend, since the sliding block is slidingly matched with the slide rail, therefore, the rotation of the screw rod drives the movement of the sliding block, the movement of the sliding block drives the right clamping plate to move towards the left clamping plate, so that the left clamping plate and the right clamping plate can better clamp the boiler fin.

[0009] As preferred, the opposite surface of the left clamping plate and the right clamping plate is detachably fixedly provided with the card, and the thickness of the card is the same as the distance between the two fins in the boiler fin. The card can be clamped between the corresponding boiler fins, thereby further preventing the clamping device from sliding along the length direction of the boiler fin.

[0010] As preferred, the opposite surface of the left clamping plate and the right clamping plate is provided with a groove, the card is inserted into the groove, the front side of the left clamping plate and the right clamping plate is provided with a screw hole, the card is provided with a through hole opposite to the screw hole, the through hole is provided with an internal screw, and the screw hole is screwed with a bolt capable of screwing with the through hole. The front side of the left clamping plate and the right clamping plate is provided with a blind hole along the screw hole, and the end of the bolt is located in the blind hole. The card is detachably fixedly connected with the left clamping plate and the right clamping plate through the bolt, so that different thicknesses of the card can be replaced according to the needs, thereby being suitable for different boiler fins. At the same time, the end of the bolt is located in the blind hole, so that the bolt cannot block the left clamping plate and the right clamping plate when the card is inserted.

[0011] As preferred, the moving plate is provided with an inner cavity, the bottom surface of the moving plate is longitudinally provided with a plurality of air outlet holes, and the ice outlet pipe of the dry ice cleaning evaporator penetrates into the cavity and is sealed at the penetration position. The dry ice can enter the inner cavity through the ice outlet pipe and be sprayed out from the air outlet hole, so that the multiple rows of boiler fins can be cleaned at one time.

[0012] The application has the advantages that the moving plate is supported by the supporting wire, the rotation of the winding roller driven by the second driving motor drives the winding of the pull wire, the movement of the moving plate is realized, the ice outlet pipe of the dry ice cleaning evaporator is moved along the length direction of the boiler fin, the cleaning of the boiler fin is realized, the manual cleaning of the workers is saved, and the time and labor of the workers are saved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0014] Fig. 1 It is a structural schematic diagram of the present application;

[0015] Fig. 2 It is a structural schematic diagram of the present application;

[0016] Fig. 3 It is a structural schematic diagram of the present application.

[0017] The drawings shown in the figure:

[0018] 1, left cross beam, 2, right cross beam, 3, first drive motor, 4, support line, 5, second drive motor, 6, winding roller, 7, winding roller, 8, pull line, 9, horizontal plate, 10, left clamping plate, 11, right clamping plate, 12, slide rail, 13, screw, 14, card, 15, bolt, 16, inner cavity, 17, air outlet, 18, boiler fin, 19, moving plate. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0020] A kind of waste heat boiler ash removal mechanism, as shown in Figs. 1-3 It includes two parallel left cross beam 1 and right cross beam 2 of setting, left cross beam 1 and right cross beam 2 are all provided with the clamping device that can clamp boiler fin 18, right cross beam 2 is fixedly provided with first drive motor 3, the rotating shaft of first drive motor 3 is coaxially fixedly connected with round bar, two winding rollers 6 are fixedly sleeved on round bar, winding roller 6 is wound with support line 4, the outer end of support line 4 is fixedly connected with left cross beam 1, moving plate 19 is arranged between left cross beam 1 and right cross beam 2, moving plate 19 is fixedly connected with the ice outlet pipe of dry ice cleaning evaporator, moving plate 19 is also provided with the through hole that support line 4 passes through, one end of pull line 8 fixedly connected with moving plate 19, pull line 8 is wound on winding roller 7, winding roller 7 is fixedly sleeved on second drive motor 5, and second drive motor 5 is fixedly arranged on left cross beam 1.

[0021] In use, the left cross beam 1 and the right cross beam 2 are placed on both ends of the boiler fin 18 and clamp the boiler fin 18, and then the first driving motor 3 is started, the first driving motor 3 rotates to make the supporting wire 4 in a straightened state, wherein the supporting wire 4 supports the moving plate 19, and then the dry ice cleaning evaporator and the second driving motor 5 are started, the second driving motor 5 rotates the shaft to drive the winding roller to wind the wire 8, and the wire 8 is wound to drive the moving plate 19 to move along the length direction of the boiler fin 18, and then the ice outlet pipe of the dry ice cleaning evaporator moves along the length direction of the boiler fin 18, thereby achieving cleaning of the boiler fin 18.

[0022] The clamping device comprises a vertical rod connected vertically to the bottom surface of the left cross beam 1 and the right cross beam 2, a horizontal plate 9 connected vertically to the lower end of the vertical rod, a left clamping plate 10 connected vertically to the bottom surface of the horizontal plate 9, a slide rail 12 fixed transversely to the bottom surface of the horizontal plate 9, a sliding block provided in cooperation with the slide rail 12, a screw hole provided transversely in the sliding block, a screw rod 13 threadedly engaged in the screw hole, one end of the screw rod 13 rotatably connected to a fixed plate through a bearing, and the fixed plate connected vertically to the horizontal plate 9, and a right clamping plate 11 connected vertically downward to the bottom surface of the sliding block. Rotating the screw rod 13, the rotation of the screw rod 13 drives the sliding block to have a tendency to rotate, and since the sliding block is slidingly provided on the slide rail 12, the rotation of the screw rod 13 drives the sliding block to move, and the movement of the sliding block drives the right clamping plate 11 to move toward the left clamping plate 10, thereby better clamping the boiler fin 18 through the left clamping plate 10 and the right clamping plate 11.

[0023] Opposite surfaces of the left clamping plate 10 and the right clamping plate 11 are detachably provided with a card 14, and the thickness of the card 14 is the same as the distance between two fins of the boiler fin 18. The card 14 can be clamped between the corresponding boiler fin 18, thereby further preventing the clamping device from sliding along the length direction of the boiler fin 18.

[0024] Opposite surfaces of the left clamping plate 10 and the right clamping plate 11 are provided with recesses, and the card 14 is inserted into the recesses. Front surfaces of the left clamping plate 10 and the right clamping plate 11 are provided with screw holes, and the card 14 is provided with through holes opposite to the screw holes, and the through holes are provided with internal threads. The screw holes are threadedly engaged with bolts 15 capable of threadedly engaging with the through holes. The front surfaces of the left clamping plate 10 and the right clamping plate 11 are provided with blind holes along the screw holes, and the end portions of the bolts 15 are located in the blind holes. The card 14 is detachably fixedly connected with the left clamping plate 10 and the right clamping plate 11 through the bolts 15, thereby being capable of replacing cards with different thicknesses as needed, thereby being applicable to different boiler fins 18. Meanwhile, the end portions of the bolts 15 are located in the blind holes, thereby being capable of preventing the bolts 15 from blocking the left clamping plate 10 and the right clamping plate 11 when the card is clamped.

[0025] The mobile plate 19 is internally provided with a cavity 16, and a plurality of air outlet holes 17 are longitudinally arranged on the bottom surface of the mobile plate 19, the air outlet holes 17 are arranged perpendicularly to the length direction of the boiler fins 18, the ice outlet pipe of the dry ice cleaning evaporator is inserted into the cavity and is sealed at the insertion position. The dry ice can enter the cavity 16 through the ice outlet pipe and be sprayed out of the air outlet holes 17, so that the plurality of rows of boiler fins 18 can be cleaned at one time.

[0026] The use of the present application can support the mobile plate 19 by the supporting wire 4, drive the winding roller 6 to rotate by the second driving motor 5, drive the pulling wire 8 to be wound, realize the movement of the mobile plate 19, drive the ice outlet pipe of the dry ice cleaning evaporator to move along the length direction of the boiler fins 18, and realize the cleaning of the boiler fins 18, so that the manual cleaning of workers is saved, and the time and strength of the workers are saved.

[0027] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A soot blowing mechanism of a waste heat boiler, characterized by: The utility model provides a boiler fin cleaning device, including two parallel left crossbeam and right crossbeam, and the left crossbeam and right crossbeam are personally experienced sth.

2. The ash removal mechanism of a waste heat boiler according to claim 1, characterized in that: The clamping device comprises a vertical rod connected perpendicularly to the bottom surface of the left crossbeam and the right crossbeam, a horizontal plate connected perpendicularly to the lower end of the vertical rod, a left clamping plate connected perpendicularly to the bottom surface of the horizontal plate, a slide rail fixed horizontally to the bottom surface of the horizontal plate, a slide block provided in cooperation on the slide rail, a screw hole horizontally provided in the slide block, a screw rod threadedly engaged in the screw hole, and a fixed plate rotatably connected to one end of the screw rod through a bearing, the fixed plate being connected perpendicularly to the horizontal plate, and a right clamping plate connected perpendicularly to the bottom surface of the slide block.

3. The ash removal mechanism of a waste heat boiler according to claim 2, characterized in that: The opposite surface of the left clamping plate and the right clamping plate is detachably provided with a card, the thickness of the card being the same as the distance between two fins of the boiler fin.

4. The ash removal mechanism of a waste heat boiler according to claim 3, characterized in that: The opposite surface of the left clamping plate and the right clamping plate is provided with a recess, the card being inserted into the recess, the front surface of the left clamping plate and the right clamping plate is provided with a screw hole, the card is provided with a through hole opposite to the screw hole, the through hole is provided with an internal screw, and the screw hole is threadedly engaged with a bolt capable of threadedly engaging with the through hole.

5. The ash removal mechanism of a waste heat boiler according to claim 1, characterized in that: The moving plate is provided with an internal cavity, a plurality of air outlet holes are longitudinally provided in the bottom surface of the moving plate, the ice outlet pipe of the dry ice cleaning evaporator penetrates into the cavity and is sealed at the penetration position.

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