CN220338493U

CN220338493U - Air heater seals storehouse structure

Info

Publication number: CN220338493U
Application number: CN202321879353.4U
Authority: CN
Inventors: 谢晓枫
Original assignee: Fujian Liyixin Technology Co ltd
Current assignee: Fujian Liyixin Technology Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-01-12
Anticipated expiration: 2033-07-18

Abstract

The utility model belongs to the technical field of bin sealing structures, and particularly relates to an air preheater bin sealing structure, which comprises an air preheater shell, wherein an access window is formed in the air preheater shell, a plug bush is fixedly connected to the air preheater shell, a bin sealing plate is connected in a sliding manner in the plug bush, a sealing ring is adhered to the surface of the bin sealing plate, the sealing ring is in contact with the surface of the air preheater shell, a support is fixedly connected to the plug bush, an adjusting rod is connected in the support through threads, and one end of the adjusting rod is fixedly connected with a rotary table. According to the utility model, the plug bush is arranged at the access window of the air preheater shell, the sealing cabin plate can be inserted into the plug bush, and the sealing ring is arranged on the sealing cabin plate, so that the plug-in sealing cabin mechanism is adopted, and compared with the traditional welding or multi-bolt installation mode, the plug-in sealing cabin mechanism is more convenient to open and close.

Description

Air heater seals storehouse structure

Technical Field

The utility model relates to the technical field of bin sealing structures, in particular to an air preheater bin sealing structure.

Background

The air preheater is a heat exchanger arranged on the tail flue and used for preheating air to a required temperature by utilizing exhaust smoke waste heat. For example, patent publication CN209688884U discloses an air preheater having a movable heat exchange tube, an ejector assembly, and a reciprocating drive connected to the ejector assembly. The ejection assembly comprises a first push plate, a second push plate and a guide rod fixedly connected with the first push plate and the second push plate; the guide rod is supported and guided by the guide member to be axially slidable. The body of the reciprocating drive device is positioned outside the box body and fixed relative to the box body, and the power output piece of the reciprocating drive device penetrates through the outer side wall of the box body and extends into the air cavity so as to be correspondingly connected to the ejection assembly to drive the ejection assembly to reciprocate, wherein the power output piece and the outer side wall of the box body are sealed in a substantially airtight mode.

However, the existing air preheater warehouse sealing plate adopts steel plates, and then the steel plates and the partition plates are welded in a sealing manner or are installed by a plurality of bolts, but when the inside of the air preheater is required to be overhauled in the later period, the steel plates are required to be cut or the bolts are required to be sequentially taken down, so that the problem is solved. Therefore, improvements are needed.

Disclosure of Invention

The utility model aims to provide an air preheater sealing cabin structure, which solves the problem that the sealing cabin structure of the existing air preheater is inconvenient to open and close.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an air heater seals storehouse structure, includes the air heater casing, the access window has been seted up on the air heater casing, fixedly connected with plug bush on the air heater casing, sliding connection has a seal storehouse board in the plug bush, seal the surface bonding of storehouse board has the sealing washer, the sealing washer contacts with the surface of air heater casing, fixedly connected with support on the plug bush, there is the regulation pole through threaded connection in the support, the one end fixedly connected with carousel of regulation pole, the other end rotation of regulation pole is connected with the adapter sleeve, fixedly connected with clamp plate on the adapter sleeve, the clamp plate is contradicted with the plug bush, fixedly connected with bull stick on the carousel, be provided with locking mechanism on the carousel.

Preferably, the bin sealing plate is provided with balls, and the balls are in sliding connection with the plug bush. Through the arrangement of the balls, the friction force between the bin sealing plate and the plug bush can be reduced.

Preferably, the surface of the adjusting rod is provided with a ring groove, a limit bolt is connected in the connecting sleeve through threads, and the tail end of the limit bolt is in sliding connection with the ring groove. Through the setting of annular and limit bolt, be convenient for adjust the pole and connect the interannular with the connection, and do not influence the relative rotation of adjusting pole and connecting the interannular.

Preferably, the support is fixedly connected with a guide sleeve, a guide rod is connected in a sliding manner in the guide sleeve, and the guide rod is fixedly connected with the pressing plate. Through the arrangement of the guide sleeve and the guide rod, the guide sleeve has a guide effect on the movement of the pressing plate.

Preferably, the locking mechanism comprises a locking pin, a connecting sheet, a pull ring, a spring and a corrugated sleeve, the locking pin is connected with the rotating disc in a sliding mode, the locking pin is connected with the support in a sliding mode, the connecting sheet is fixedly connected with the locking pin, the pull ring is fixedly connected with the connecting sheet, the spring is arranged outside the locking pin, the corrugated sleeve is fixedly connected with the connecting sheet, and the corrugated sleeve is fixedly connected with the rotating disc. Through the setting of locking mechanism, can prevent the not hard up of adjusting the pole.

Preferably, one end of the spring is fixedly connected with the connecting sheet, and the other end of the spring is fixedly connected with the turntable. By the arrangement of the spring, a spring force can be applied to the locking pin.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the plug bush is arranged at the access window of the air preheater shell, the sealing cabin plate can be inserted into the plug bush, and the sealing ring is arranged on the sealing cabin plate, so that the plug-in sealing cabin mechanism is adopted, and compared with the traditional welding or multi-bolt installation mode, the plug-in sealing cabin mechanism is more convenient to open and close.

2. According to the utility model, the support is arranged on the plug bush, the adjusting rod in threaded connection with the support is arranged on the support, the adjusting rod is connected with the tail end of the adjusting rod through the connecting strip, the pressing plate is attached to the surface of the bin sealing plate, so that the pressing plate can be pressed through relative threaded movement between the support and the adjusting rod, and the tightness of the bin sealing plate is ensured.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

fig. 4 is an enlarged view of the structure of fig. 2B in accordance with the present utility model.

In the figure: 1. an air preheater housing; 2. an access panel; 3. a plug bush; 4. a bin sealing plate; 5. a ball; 6. a seal ring; 7. a bracket; 8. an adjusting rod; 9. a locking mechanism; 10. connecting sleeves; 11. a pressing plate; 12. a limit bolt; 13. a ring groove; 14. a turntable; 15. a rotating rod; 16. a guide sleeve; 17. a guide rod; 91. a locking pin; 92. a connecting sheet; 93. a pull ring; 94. a spring; 95. a corrugated sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an air preheater sealing cabin structure comprises an air preheater shell 1, an access window 2 is formed in the air preheater shell 1, a plug bush 3 is fixedly connected to the air preheater shell 1, a sealing cabin plate 4 is slidably connected to the plug bush 3, balls 5 are arranged on the sealing cabin plate 4 and are slidably connected with the plug bush 3, friction force between the sealing cabin plate 4 and the plug bush 3 can be reduced through arrangement of the balls 5, a sealing ring 6 is adhered to the surface of the sealing cabin plate 4, the sealing ring 6 is in contact with the surface of the air preheater shell 1, a support 7 is fixedly connected to the plug bush 3, an adjusting rod 8 is connected to the support 7 through threads, a turntable 14 is fixedly connected to one end of the adjusting rod 8, a connecting sleeve 10 is rotatably connected to the other end of the adjusting rod 8, a pressing plate 11 is fixedly connected to the connecting sleeve 10, and a rotating rod 15 is fixedly connected to the pressing plate 11 and the plug bush 3 in a contradiction manner.

Referring to fig. 2 and 4, a ring groove 13 is formed on the surface of the adjusting rod 8, a limit bolt 12 is connected in the connecting sleeve 10 through threads, and the tail end of the limit bolt 12 is slidably connected with the ring groove 13. Through the setting of annular groove 13 and stop bolt 12, be convenient for adjust the pole 8 and connect the cover 10 between be connected, and do not influence the relative rotation between pole 8 and the cover 10, fixedly connected with uide bushing 16 on the support 7, sliding connection has guide bar 17 on the uide bushing 16, guide bar 17 and clamp plate 11 fixed connection, through the setting of uide bushing 16 and guide bar 17, have the guide effect to the removal of clamp plate 11.

Referring to fig. 4, a locking mechanism 9 is provided on a turntable 14, through the arrangement of the locking mechanism 9, looseness of an adjusting rod 8 can be prevented, the locking mechanism 9 comprises a locking pin 91, a connecting sheet 92, a pull ring 93, a spring 94 and a corrugated sleeve 95, the locking pin 91 is slidably connected in the turntable 14, the locking pin 91 is slidably connected with a bracket 7, a circle of holes distributed in array are formed in the bracket 7, the diameter of the holes is slightly larger than that of the locking pin 91, the connecting sheet 92 is fixedly connected with the locking pin 91, the pull ring 93 is fixedly connected with the connecting sheet 92, a spring 94 is arranged outside the locking pin 91, one end of the spring 94 is fixedly connected with the connecting sheet 92, the other end of the spring 94 is fixedly connected with the turntable 14, and through the arrangement of the spring 94, a spring force can act on the locking pin 91, the corrugated sleeve 95 is fixedly connected with the connecting sheet 92, and the corrugated sleeve 95 is fixedly connected with the turntable 14.

The specific implementation process of the utility model is as follows: during the use, after the part in the air preheater casing 1 overhauls, insert the cartridge board 4 in plug bush 3, and the one side that has sealing washer 6 on the cartridge board 4 laminating air preheater casing 1, can seal the access panel 2 of air preheater casing 1 like this, adopt the cartridge mechanism of bayonet type, compare in the past mode of welding or multiple bolt installation, it is more convenient to open and shut, then pull the connection piece 92 through pull ring 93, the connection piece 92 drives the locking pin 91 and removes, make the locking pin 91 break away from with the current hole inslot on support 7, thereby remove the restriction to carousel 14, then keep the state of locking pin 91, then rotate carousel 14 through bull stick 15, carousel 14 drives regulation pole 8 and rotates, regulation pole 8 then through the screw motion with support 7 and remove, regulation pole 8 then drive clamp plate 11 through adapter sleeve 10 and remove, make clamp plate 11 conflict to the surface of cartridge board 4, and give a pressure to cartridge board 4 department, thereby the leakproofness of cartridge board 4 is more convenient, then loosen 93, under the elasticity effect of spring 94, the locking pin 91 reinsert corresponding to the downthehole 8 in can prevent like this under the support 7.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air heater seals storehouse structure, includes air heater casing (1), its characterized in that: the novel air preheater is characterized in that an access window (2) is formed in the air preheater shell (1), a plug bush (3) is fixedly connected to the air preheater shell (1), a sealing cabin plate (4) is connected to the plug bush (3) in a sliding mode, a sealing ring (6) is adhered to the surface of the sealing cabin plate (4), a support (7) is fixedly connected to the plug bush (3), an adjusting rod (8) is connected to the support (7) in a threaded mode, a rotary table (14) is fixedly connected to one end of the adjusting rod (8), a connecting sleeve (10) is connected to the other end of the adjusting rod (8) in a rotating mode, a pressing plate (11) is fixedly connected to the connecting sleeve (10), the pressing plate (11) is in contact with the plug bush (3), a rotary rod (15) is fixedly connected to the rotary table (14), and a locking mechanism (9) is arranged on the rotary table (14).

2. An air preheater cartridge sealing structure according to claim 1, wherein: the bin sealing plate (4) is provided with balls (5), and the balls (5) are in sliding connection with the plug bush (3).

3. An air preheater cartridge sealing structure according to claim 1, wherein: the surface of the adjusting rod (8) is provided with a ring groove (13), a limit bolt (12) is connected in the connecting sleeve (10) through threads, and the tail end of the limit bolt (12) is in sliding connection with the ring groove (13).

4. An air preheater cartridge sealing structure according to claim 1, wherein: the support (7) is fixedly connected with a guide sleeve (16), a guide rod (17) is connected in a sliding manner in the guide sleeve (16), and the guide rod (17) is fixedly connected with the pressing plate (11).

5. An air preheater cartridge sealing structure according to claim 1, wherein: locking mechanism (9) are including locking round pin (91), connection piece (92), pull ring (93), spring (94), ripple cover (95), sliding connection has locking round pin (91) in carousel (14), locking round pin (91) and support (7) sliding connection, fixedly connected with connection piece (92) on locking round pin (91), fixedly connected with pull ring (93) on connection piece (92), the outside of locking round pin (91) is provided with spring (94), fixedly connected with ripple cover (95) on connection piece (92), ripple cover (95) and carousel (14) fixed connection.

6. An air preheater seal cartridge structure as set forth in claim 5, wherein: one end of the spring (94) is fixedly connected with the connecting sheet (92), and the other end of the spring (94) is fixedly connected with the rotary table (14).