Adjustable middle tube plate with high assembly strength for boiler

Abstract

The utility model relates to the technical field of middle tube plates, and discloses a high-assembly-strength adjustable middle tube plate for a boiler, which comprises a tube plate, a tube opening is arranged on the inner wall of the tube plate, an adjusting mechanism is arranged on the outer wall of the tube plate, and a cleaning mechanism is arranged on the inner wall of the tube plate. The adjusting mechanism comprises a hexagonal groove and a through groove, the hexagonal groove is formed in the inner wall of the tube plate, the through groove is formed in the inner wall of the hexagonal groove, a sliding block is slidably mounted on the inner wall of the hexagonal groove, a triangular plate is fixedly mounted on the outer wall of the sliding block, and a hollow fluted disc is rotatably mounted on the outer wall of the tube plate. In order to conveniently adjust the opening size of a pipe orifice, the size of the pipe orifice can be adjusted by arranging a hexagonal groove, a through groove, a sliding block, a triangular plate, a hollow fluted disc, a groove rod, a fixing rod and a rack, and the defect that a worker needs to frequently replace a pipe plate is overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to intermediate tube plate technical field, specifically to a kind of intermediate tube plate for boiler with high assembly strength and adjustable. BACKGROUND

[0002] Intermediate tube plate for boiler is the key component in boiler structure, and the intermediate tube plate separates the internal space of the boiler into different areas, so that the working medium (such as water, steam, flue gas, etc.) flows along a specific path. For example, in some water tube boilers, the intermediate tube plate allows water to flow inside the tubes, and flue gas to scour the tubes outside, thereby achieving heat transfer.

[0003] The existing tube plate still has some shortcomings in practical application. First, the existing tube plate on the market is simply perforated to allow steam or flue gas to pass through the middle, and it cannot adjust the size of the perforation. This requires workers to frequently replace the corresponding tube plate, greatly increasing the workload of the workers. UTILITY MODEL CONTENT

[0004] The utility model aims to provide an intermediate tube plate for boiler with high assembly strength and adjustable to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an intermediate tube plate for boiler with high assembly strength and adjustable, comprising a tube plate, a pipe opening is formed in the inner wall of the tube plate, an adjusting mechanism is arranged on the outer wall of the tube plate, and a cleaning mechanism is arranged on the inner wall of the tube plate. The adjusting mechanism comprises a hexagonal groove, which is formed in the inner wall of the tube plate, and a through groove, which is formed in the inner wall of the hexagonal groove.

[0006] Preferably, a sliding block is slidably mounted on the inner wall of the hexagonal groove, a triangular plate is fixedly mounted on the outer wall of the sliding block, a hollow toothed disc is rotatably mounted on the outer wall of the tube plate, and a slot rod is fixedly mounted on the inner wall of the hollow toothed disc.

[0007] Preferably, a fixed rod is fixedly mounted on the inner wall of the sliding block, and a rack is slidably mounted on the outer wall of the tube plate.

[0008] Preferably, the cleaning mechanism comprises a connecting rod, which is fixedly mounted on the inner wall of the hollow toothed disc, and a cleaning plate, which is fixedly mounted on the end of the connecting rod.

[0009] Preferably, the sliding block is provided with six groups, which are arranged in a circular array on the inner wall of the hexagonal groove, and the inner wall of each of the six groups of sliding blocks is fixedly mounted with a fixed rod. One end of the fixed rod is fixedly mounted on the inner wall of the sliding block, and the other end of the fixed rod passes through the through groove and is attached to the inner wall of the slot rod. The hollow toothed disc and the rack are in meshing engagement, and the rack can make the hollow toothed disc rotate.

[0010] Preferably, the connecting rods are arranged in six groups in a circumferential array on the inner wall of the hollow gear disc, and the cleaning plate is in abutting contact with the inner wall of the pipe opening, so that the cleaning plate can be displaced by the connecting rods.

[0011] Compared with the prior art, the utility model provides a high assembly strength and adjustable intermediate tube plate for boiler has the following beneficial effects:

[0012] 1、The high assembly strength and adjustable intermediate tube plate for boiler, in order to adjust the opening size of the pipe opening, through setting up hexagonal groove, through groove, sliding block, triangular plate, hollow gear disc, slot rod, fixed rod, rack can adjust the size of the pipe opening, avoid the staff needs frequently to change the malpractice of pipe plate.

[0013] 2、The high assembly strength and adjustable intermediate tube plate for boiler, in order to prevent the pipe opening from adhering impurities and affecting the flowability of the flue gas of the pipe opening, through setting up connecting rod, cleaning plate can clean the pipe opening, avoid the flue gas through the pipe opening for a long time and cause the pipe opening to adhere particulate matter and affect the flowability of subsequent flue gas. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the partial structure schematic diagram of the utility model;

[0016] Figure 3 It is the partial structure cross section schematic diagram of the utility model;

[0017] Figure 4 It is the A structure enlarged schematic diagram of the utility model Figure 2 ;

[0018] Figure 5 It is the B structure enlarged schematic diagram of the utility model Figure 3 ;

[0019] In the drawing: 1, pipe plate;2, pipe opening;3, adjusting mechanism;301, hexagonal groove;302, through groove;303, sliding block;304, triangular plate;305, hollow gear disc;306, slot rod;307, fixed rod;308, rack;4, cleaning mechanism;401, connecting rod;402, cleaning plate. DETAILED DESCRIPTION

[0020] As Figures 1-5 shown, the utility model provides a technical scheme: a high assembly strength and adjustable intermediate tube plate for boiler, including pipe plate 1, the inner wall of pipe plate 1 is seted up pipe opening 2, the outer wall of pipe plate 1 is provided with adjusting mechanism 3, the inner wall of pipe plate 1 is provided with cleaning mechanism 4.

[0021] The adjusting mechanism 3 comprises a hexagonal groove 301, a through groove 302, a sliding block 303, a triangular plate 304, a hollow toothed disc 305, a slot rod 306, a fixed rod 307, a rack 308, the hexagonal groove 301 is arranged on the inner wall of the tube plate 1, the through groove 302 is arranged on the inner wall of the hexagonal groove 301, the sliding block 303 is slidably arranged on the inner wall of the hexagonal groove 301, the sliding block 303 is provided with six groups, which are arranged in a circumferential array on the inner wall of the hexagonal groove 301, and the inner wall of each of the six groups of sliding blocks 303 is fixedly installed with the fixed rod 307, the outer wall of the sliding block 303 is fixedly installed with the triangular plate 304, the outer wall of the tube plate 1 is rotatably installed with the hollow toothed disc 305, the inner wall of the hollow toothed disc 305 is fixedly installed with the slot rod 306, the inner wall of the sliding block 303 is fixedly installed with the fixed rod 307, one end of the fixed rod 307 is fixedly installed on the inner wall of the sliding block 303, and the other end of the fixed rod 307 is in abutment with the inner wall of the slot rod 306 through the through groove 302, the outer wall of the tube plate 1 is slidably installed with the rack 308, the hollow toothed disc 305 is in meshing engagement with the rack 308, the rack 308 drives the hollow toothed disc 305 to rotate by being pushed, and at the same time, the slot rod 306 rotates with the hollow toothed disc 305 and extrudes the six groups of fixed rods 307 to make the fixed rods 307 slide on the inner wall of the through groove 302 and pull the triangular plates 304 on the outer wall of the six groups of sliding blocks 303 to slide on the inner wall of the hexagonal groove 301 to open and expose the pipe opening 2, so that the size of the pipe opening 2 can be adjusted by the staff, and the disadvantage of frequently replacing the tube plate 1 is avoided, and the pushing of the rack 308 is stopped after being adjusted to the appropriate size, and when not in use, the hollow toothed disc 305 is reversed by pulling the rack 308, at this time, the slot rod 306 extrudes the fixed rod 307 to make the fixed rod 307 drive the triangular plates 304 on the outer wall of the six groups of sliding blocks 303 to slide reversely on the inner wall of the hexagonal groove 301 to reset and close the pipe opening 2.

[0022] The cleaning mechanism 4 comprises a connecting rod 401 and a cleaning plate 402, the connecting rod 401 is fixedly installed on the inner wall of the hollow toothed disc 305, the end of the connecting rod 401 is fixedly installed with the cleaning plate 402, the connecting rod 401 is provided with six groups, which are arranged in a circumferential array on the inner wall of the hollow toothed disc 305, the cleaning plate 402 is in abutment with the inner wall of the pipe opening 2, at the same time of the rotation of the hollow toothed disc 305, the connecting rod 401 rotates with the hollow toothed disc 305 to drive the cleaning plate 402 to clean the flue gas particulate matter on the inner wall of the pipe opening 2, so that the flue gas particulate matter is not attached too much to affect the passability of the subsequent flue gas, and at the same time of the reverse rotation of the hollow toothed disc 305, the connecting rod 401 drives the cleaning plate 402 to clean the pipe opening 2 again.

[0023] Working principle: by pushing the rack 308 makes rack 308 drive hollow gear 305 rotation, in hollow gear 305 rotation, groove bar 306 will follow the rotation of hollow gear 305 and extrude six groups of fixed rod 307 make fixed rod 307 in the inner wall of through groove 302 sliding and pull six groups of sliding block 303 outer wall's triangular plate 304 in the inner wall of six edge groove 301 sliding open and expose pipe orifice 2, facilitate staff to adjust the opening size of pipe orifice 2, avoid the need to frequently change the disadvantages of pipe plate 1, after adjusting to the appropriate size stop pushing rack 308, in hollow gear 305 rotation, connecting rod 401 will follow the rotation of hollow gear 305 drive cleaning plate 402 to the inner wall of pipe orifice 2 auxiliary flue gas particulate matter cleaning, avoid particulate matter attached too much influence the follow-up flue gas passability, when not use, by pulling rack 308 makes hollow gear 305 reverse rotation, at this moment groove bar 306 will extrude fixed rod 307 make fixed rod 307 drive six groups of sliding block 303 outer wall's triangular plate 304 in the inner wall of six edge groove 301 reverse sliding reset and close pipe orifice 2, when hollow gear 305 reverse rotation, connecting rod 401 will drive cleaning plate 402 make cleaning plate 402 to the pipe orifice 2 secondary cleaning.

[0024] The above is a detailed description of the general utility model, but on the basis of the utility model, some modifications or improvements can be made, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the utility model, the modification or improvement is within the scope of the utility model.

Claims

1. A high-strength and adjustable intermediate tube plate for a boiler, comprising a tube plate (1), characterized in that: The inner wall of the tube plate (1) is provided with a pipe opening (2), the outer wall of the tube plate (1) is provided with an adjusting mechanism (3), the inner wall of the tube plate (1) is provided with a cleaning mechanism (4), the adjusting mechanism (3) comprises: Hexagonal groove (301), the hexagonal groove (301) is opened in the inner wall of the tube plate (1); Through groove (302), the through groove (302) is opened in the inner wall of the hexagonal groove (301).

2. The intermediate tube plate for a boiler according to claim 1, wherein: The inner wall of the hexagonal groove (301) is slidably installed with a sliding block (303), the outer wall of the sliding block (303) is fixedly installed with a triangular plate (304), the outer wall of the tube plate (1) is rotatably installed with a hollow tooth disc (305), the inner wall of the hollow tooth disc (305) is fixedly installed with a groove rod (306).

3. The intermediate tube plate for a boiler according to claim 2, wherein: The inner wall of the sliding block (303) is fixedly installed with a fixed rod (307), and the outer wall of the tube plate (1) is slidably installed with a rack (308).

4. The intermediate tube plate for a boiler according to claim 3, wherein: The cleaning mechanism (4) comprises; connecting rod (401), the connecting rod (401) is fixedly installed on the inner wall of the hollow tooth disc (305), and the end of the connecting rod (401) is fixedly installed with a cleaning plate (402).

5. The intermediate tube plate for a boiler according to claim 4, wherein: The sliding block (303) is provided with six groups, which are arranged in a circumferential array on the inner wall of the hexagonal groove (301), and the inner wall of the six groups of sliding blocks (303) is fixedly installed with a fixed rod (307), one end of the fixed rod (307) is fixedly installed on the inner wall of the sliding block (303), and the other end of the fixed rod (307) is fitted with the inner wall of the groove rod (306) through the through groove (302), and the hollow tooth disc (305) and the rack (308) are in meshing state.

6. The intermediate tube plate for a boiler according to claim 5, wherein: The connecting rod (401) is provided with six groups, which are arranged in a circumferential array on the inner wall of the hollow tooth disc (305), and the cleaning plate (402) is fitted with the inner wall of the pipe opening (2).

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