Telescopic steam soot blower sealing device

Abstract

The utility model discloses a sealing device of a telescopic steam soot blower, which belongs to the technical field of soot blowers, and comprises a rack, the lower end of the rack is fixedly connected with an inner pipe, the right end of the inner pipe is connected with a moving component, the right end of the moving component is connected with an outer pipe, and the right end of the outer pipe is in limited sliding connection with the lower end of the rack; the moving assembly comprises a motor, a moving block, a gear, a rack and a filler assembly. The filler assembly comprises second filler and multiple sets of first filler which are connected in an abutting mode. The three sets of arc-shaped blocks are arranged in a circular ring shape, each set of protruding blocks are inserted into the adjacent grooves, so that the three sets of arc-shaped blocks are rapidly connected end to end, the three sets of arc-shaped blocks are further locked through the annular elastic assemblies, and the arc-shaped blocks are prevented from deviating in the using process. And by adding the arc-shaped block, abrasion generated in the long-term reciprocating motion is reduced, the service life of the first filler is prolonged, and then the risks of steam leakage and fault of the soot blower are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to soot blower technical field, concretely relates to a telescopic steam soot blower sealing device. BACKGROUND

[0002] The steam soot blower is the key equipment of incinerator efficient operation, its function is to utilize high pressure steam to remove the fly ash adhered on the surface of waste heat boiler tube bundle, and the steam soot blower is generally installed on both sides of waste heat boiler, because the temperature in waste heat boiler is higher, to avoid the high temperature damage of soot blower, therefore, the telescopic steam soot blower is adopted, and the pipe is inserted into the furnace during blowing, and is withdrawn from the furnace after blowing.

[0003] For example, China patent CN219995351U discloses a telescopic steam soot blower, the guide sleeve is installed in the middle of the support of the fixed support, the advancing shaft sleeve is installed in the middle of the support of the advancing sliding platform, the soot blowing assembly includes the soot blowing pipe which is clamped in the guide sleeve and the advancing shaft sleeve, the rotary transmission assembly includes the rotary drive motor which is installed in the middle of the advancing sliding platform bracket and the synchronous gear which is sleeved on one end of the soot blowing pipe, and the output end of the rotary drive motor is provided with the transmission gear which is engaged with the synchronous gear.

[0004] In order to protect the gap between the inner tube and the outer tube from steam leakage, a packing seal is usually arranged between the inner tube and the outer tube, and the sealing filler moves with the trolley and the outer tube.

[0005] For example, China patent CN219221503U discloses a steam soot blower self-adjusting sealing assembly, which comprises a soot blower organ assembly, a first furnace wall, a soot blower pipe arranged inside the first furnace wall, a first connecting gasket arranged outside the soot blower pipe, a connecting disc arranged outside the soot blower pipe, and a second connecting gasket arranged on the front surface of the connecting disc. The device sets the soot blower pipe assembly, so that the sealing assembly can be used normally. By setting the sealing assembly, the contact position of the soot blower pipe and the first furnace wall can be sealed to prevent ash leakage.

[0006] However, in the above-mentioned patent, the sealing assembly is prone to wear during long-term reciprocating movement, which may cause steam leakage and failure of the soot blower.

[0007] Therefore, the utility model designs a telescopic steam soot blower sealing device to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0008] In view of the above-mentioned shortcomings of the prior art, the utility model provides a telescopic steam soot blower sealing device.

[0009] To achieve the above purpose, the utility model realizes the following technical scheme:

[0010] A telescopic steam soot blower sealing device, comprising a rack;

[0011] The lower end of the rack is fixedly connected with an inner tube, the right end of the inner tube is connected with a moving assembly, the right end of the moving assembly is connected with an outer tube, and the right end of the outer tube is in limit sliding connection with the lower end of the rack.

[0012] The moving assembly comprises a motor, a moving block, a gear, a rack and a filler assembly, the bottom of the rack is fixedly connected with the rack, the upper end of the moving block is rotatably connected with the gear, the gear is in meshing connection with the rack, the lower end of the moving block is fixedly connected with the motor, and the output end of the motor is fixedly connected with the gear; the inside of the moving block is connected with the filler assembly, the inside of the filler assembly is connected with the inner tube; and the right end of the moving block is fixedly connected with the outer tube.

[0013] The filler assembly comprises a second filler and a plurality of groups of first fillers in mutual abutment connection, the first fillers are all located in the inside of the moving block, the inside of each first filler is in limit sliding connection with the outside of the inner tube, and the left end of the leftmost first filler is in abutment connection with the second filler.

[0014] Further, the bottom of the rack is fixedly connected with a sliding rail, the upper end of the moving block is fixedly connected with a limit sliding block, and the limit sliding block is in limit sliding connection with the sliding rail.

[0015] Further, the second filler comprises a ring groove, a ring-shaped elastic assembly and three groups of arc-shaped blocks in head-to-tail connection, the outside of each arc-shaped block is provided with a ring groove, and the inside of the ring-shaped elastic assembly is in abutment connection with the ring groove.

[0016] Further, the inside of each arc-shaped block is in limit sliding connection with the outside of the inner tube.

[0017] Further, the right end of the inner tube is located in the inside of the outer tube.

[0018] Further, the right end of the outer tube is provided with a steam outlet hole.

[0019] Further, the ring-shaped elastic assembly is a ring-shaped spring.

[0020] Further, one end of the arc-shaped block is fixedly connected with a protruding block, and the other end of the arc-shaped block is provided with a groove into which the protruding block is inserted.

[0021] Compared with the prior art, the utility model has the beneficial effects that: 1, the utility model discloses a plurality of first fillings are placed in the moving block in turn, three groups of arc blocks are arranged in a circular ring, and each group of convex blocks is inserted into the adjacent recess, so that three groups of arc blocks are quickly connected end to end, three groups of arc blocks are further locked through the annular elastic assembly, and the arc blocks are prevented from deviating during use, at this time, three groups of arc blocks are placed on the left side of the first filling on the leftmost end, the inner tube passes through the plurality of first fillings and the arc blocks in turn, and the outer tube is fixedly connected to the right side of the moving block.

[0022] 2, when the utility model starts the motor, the output end of the motor drives the gear to rotate, under the meshing effect of the gear and the rack, the gear moves left and right along the rack, the gear drives the limiting sliding block to move left and right under the limiting guiding effect of the slide rail through the moving block, the moving block drives the outer tube to move left and right under the limiting guiding effect of the rack, the external steam enters the outer tube through the inner tube, and then is discharged through the steam outlet, thereby achieving the effect of blowing ash. ACCURACY

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0024] Figure 1 It is a perspective view of the sealing device of the telescopic steam ash blowing device of the utility model;

[0025] Figure 2 It is a front view of the sealing device of the telescopic steam ash blowing device of the utility model;

[0026] Figure 3 It is a right view of the sealing device of the telescopic steam ash blowing device of the utility model;

[0027] Figure 4 It is a partial structure schematic view of the sealing device of the telescopic steam ash blowing device of the utility model;

[0028] Figure 5 It is the A-A direction section view along Figure 3 ;

[0029] Figure 6 It is the enlarged view of B in Figure 5 ;

[0030] Figure 7 Structure diagram of the second filler;

[0031] Figure 8 Structure diagram of the arc-shaped block.

[0032] The reference signs in the drawings represent respectively:

[0033] 1, frame; 2, inner tube; 3, outer tube; 4, moving assembly; 41, motor; 42, sliding rail; 43, limiting sliding block; 44, moving block; 45, gear; 46, rack; 47, filler assembly; 471, first filler; 472, arc-shaped block; 473, ring groove; 474, ring-shaped elastic assembly; 475, protruding block; 476, recess. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] In the following description, "left", "right", "front", "rear", "upper", "lower" are oriented with the perspective of the front view.

[0036] Embodiment one: in some embodiments, referring to the front view of the accompanying drawings Figures 1-8 A telescopic steam soot blower sealing device, comprising a frame 1;

[0037] The lower end of the frame 1 is fixedly connected with an inner tube 2, the right end of the inner tube 2 is connected with a moving assembly 4, the right end of the moving assembly 4 is connected with an outer tube 3, and the right end of the outer tube 3 is limitingly and slidingly connected with the lower end of the frame 1;

[0038] The moving assembly 4 comprises a motor 41, a moving block 44, a gear 45, a rack 46 and a filler assembly 47, the bottom of the frame 1 is fixedly connected with the rack 46, the upper end of the moving block 44 is rotatably connected with the gear 45, the gear 45 is meshingly connected with the rack 46, the lower end of the moving block 44 is fixedly connected with the motor 41, and the output end of the motor 41 is fixedly connected with the gear 45; the inside of the moving block 44 is connected with the filler assembly 47, the inside of the filler assembly 47 is connected with the inner tube 2; and the right end of the moving block 44 is fixedly connected with the outer tube 3;

[0039] The bottom of the frame 1 is fixedly connected with a sliding rail 42, the upper end of the moving block 44 is fixedly connected with a limiting sliding block 43, and the limiting sliding block 43 is limitingly and slidingly connected with the sliding rail 42.

[0040] The filler assembly 47 comprises a second filler and a plurality of groups of first fillers 471 connected with each other in abutment, and each of the first fillers 471 is located in the interior of the moving block 44 and is in limited sliding connection with the outer side of the inner tube 2, and the left end of the leftmost first filler 471 is connected in abutment with the second filler;

[0041] The second filler comprises a ring groove 473, a ring-shaped elastic assembly 474 and three groups of arc-shaped blocks 472 connected in head-to-tail relationship, the outer side of each of the arc-shaped blocks 472 is provided with the ring groove 473, and the inner side of the ring-shaped elastic assembly 474 is connected in abutment with the ring groove 473;

[0042] The inner side of each of the arc-shaped blocks 472 is in limited sliding connection with the outer side of the inner tube 2;

[0043] The right end of the inner tube 2 is located in the interior of the outer tube 3, and the inner tube 2 is in communication with the outer steam pipeline;

[0044] The right end of the outer tube 3 is provided with a steam outlet hole;

[0045] The ring-shaped elastic assembly 474 is a ring-shaped spring;

[0046] The materials of the arc-shaped blocks 472 and the convex blocks 475 are copper;

[0047] One end of each of the arc-shaped blocks 472 is fixedly connected with a convex block 475, and the other end of the arc-shaped block 472 is provided with a recess 476 into which the convex block 475 is inserted;

[0048] When installing, the first fillers 471 are sequentially arranged in the moving block 44, the three groups of arc-shaped blocks 472 are arranged in a circular ring, each group of convex blocks 475 is inserted into the adjacent recess 476, so that the three groups of arc-shaped blocks 472 are quickly connected end to end, the three groups of arc-shaped blocks 472 are further locked by the annular elastic assembly 474 to prevent the arc-shaped blocks 472 from deviating during use, at this time, the three groups of arc-shaped blocks 472 are arranged on the left side of the first filler 471 on the leftmost end, the inner tube 2 sequentially passes through the groups of first fillers 471 and the arc-shaped blocks 472, and the outer tube 3 is fixedly connected to the right side of the moving block 44; since there are multiple groups of arc-shaped blocks 472, when one group is worn, it can be quickly replaced, the wear in long-term reciprocating movement is reduced by adding the arc-shaped blocks 472, the service life of the first filler 471 is improved, and the risk of steam leakage and failure of the soot blower is reduced; when the motor 41 is started, the output end of the motor 41 drives the gear 45 to rotate, under the meshing action of the gear 45 and the rack 46, the gear 45 moves left and right along the rack 46, the gear 45 drives the limiting sliding block 43 to move left and right under the limiting and guiding action of the slide rail 42, and the moving block 44 drives the outer tube 3 to move left and right under the limiting and guiding action of the rack 1, external steam enters the outer tube 3 through the inner tube 2, and then is discharged through the steam outlet, so as to achieve the effect of blowing off the soot.

[0049] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will 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 telescopic steam soot blower sealing device, comprising a rack (1), characterized in that: the lower end of the rack (1) is fixedly connected with an inner tube (2), the right end of the inner tube (2) is connected with a moving assembly (4), the right end of the moving assembly (4) is connected with an outer tube (3), and the right end of the outer tube (3) is limitingly and slidably connected with the lower end of the rack (1); the moving assembly (4) comprises a motor (41), a moving block (44), a gear (45), a rack (46) and a filler assembly (47), the bottom of the rack (1) is fixedly connected with the rack (46), the upper end of the moving block (44) is rotatably connected with the gear (45), the gear (45) is meshingly connected with the rack (46), the lower end of the moving block (44) is fixedly connected with the motor (41), and the output end of the motor (41) is fixedly connected with the gear (45); the inside of the moving block (44) is connected with the filler assembly (47), the inside of the filler assembly (47) is connected with the inner tube (2); and the right end of the moving block (44) is fixedly connected with the outer tube (3); the filler assembly (47) comprises a second filler and a plurality of groups of first fillers (471) that are connected with each other in abutment, the first fillers (471) are all located in the inside of the moving block (44), the inside of each first filler (471) is limitingly and slidably connected with the outside of the inner tube (2), and the left end of the leftmost first filler (471) is abutted and connected with the second filler.

2. The telescoping steam sootblower seal apparatus of claim 1, wherein, The bottom of the rack (1) is fixedly connected with a sliding rail (42), and the upper end of the moving block (44) is fixedly connected with a limiting sliding block (43) that is limitingly and slidably connected with the sliding rail (42).

3. The telescoping steam sootblower seal apparatus of claim 2, wherein, The second filler comprises a ring groove (473), a ring-shaped elastic assembly (474) and three groups of arc-shaped blocks (472) that are connected in a head-to-tail manner, the outside of each arc-shaped block (472) is provided with a ring groove (473), and the inside of the ring-shaped elastic assembly (474) is abutted and connected with the ring groove (473).

4. The telescoping steam sootblower seal apparatus of claim 3, wherein, The inside of each arc-shaped block (472) is limitingly and slidably connected with the outside of the inner tube (2).

5. The telescoping steam sootblower seal apparatus of claim 4, wherein, The right end of the inner tube (2) is located in the inside of the outer tube (3).

6. The telescoping steam sootblower seal apparatus of claim 5, wherein, The right end of the outer tube (3) is provided with a steam outlet hole.

7. The telescoping steam sootblower seal apparatus of claim 6, wherein, The ring-shaped elastic assembly (474) is a ring-shaped spring.

8. The telescoping steam sootblower seal apparatus of claim 7, wherein, One end of the arc-shaped block (472) is fixedly connected with a protruding block (475), and the other end of the arc-shaped block (472) is provided with a groove (476) into which the protruding block (475) is inserted.

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