CN213237575U

CN213237575U - Lapping type sealing damper

Info

Publication number: CN213237575U
Application number: CN202022118327.2U
Authority: CN
Inventors: 朱帅帅; 韩舟; 韦隽
Original assignee: Changzhou Lianhe Boiler Container Co ltd
Current assignee: Changzhou Lianhe Boiler Container Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-18
Anticipated expiration: 2030-09-24

Abstract

The utility model relates to the technical field of boiler equipment, and discloses a lap joint type sealing damper, which comprises a damper shell, wherein a plurality of rotating shafts are arranged inside the damper shell, a plurality of bearing seats are bolted on both sides of the damper shell, a bearing is bolted on one side of each bearing seat, both ends of each rotating shaft are sleeved with the bearing, door plates are bolted on the front and back of each rotating shaft, and one end of each rotating shaft is bolted with an arm of force; the utility model adopts the lap joint type double-layer blade structure, the blade interlocking control changes the smoke gas flow, the air leakage rate can be controlled within less than 2 percent, simultaneously, the strength of the double-layer blade is high, the service life of the air door is prolonged, the problem that the old type air damper adopts the single-blade type is solved, the air door is not tightly closed, the air leakage rate is more than 10 percent, and the boiler air volume adjusting performance can not be ensured; in addition, the single blade is weak in strength, the failure rate of the air door in operation is high, and the air door needs to be stopped and overhauled frequently.

Description

Lapping type sealing damper

Technical Field

The utility model relates to a boiler equipment technical field specifically is the sealed air damper of overlap joint formula.

Background

The adjusting air door is used for adjusting the flow of flue gas in a flue gas pipeline of the boiler, and the flow of the flue gas in a flue gas flow and a control system is changed by rotating the blades.

The old-fashioned air damper adopts a single-blade type, the air damper is not closed tightly, the air leakage rate is more than 10 percent, and the air volume adjusting performance of the boiler cannot be ensured; in addition, the single blade is weak in strength, the failure rate of the air door in operation is high, the air door needs to be maintained in a shutdown mode frequently, and the lap joint type sealing air door is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lap joint type sealing damper which has the advantages of stable operation and convenient maintenance, solves the problems that the old damper adopts a single-blade type, the closing of the damper is not tight, the air leakage rate is more than 10 percent, and the air quantity regulation performance of the boiler can not be ensured; in addition, the single blade is weak in strength, the failure rate of the air door in operation is high, and the air door needs to be stopped and overhauled frequently.

In order to achieve the above object, the utility model provides a following technical scheme: the lap joint type sealed damper comprises a damper shell, wherein a plurality of rotating shafts are arranged inside the damper shell, a plurality of bearing seats are bolted to the two sides of the damper shell, a bearing is bolted to one side of each bearing seat, the two ends of each rotating shaft are sleeved with the corresponding bearing, a door plate is bolted to the front and the back of each rotating shaft, a force arm is bolted to one end of each rotating shaft, and a connecting rod is bolted to the other end of each force arm.

Preferably, one end of the connecting rod is bolted with a connecting piece, and a round hole is formed in the connecting piece.

Preferably, the top and the bottom of the inner side of the damper shell are bolted with flat steel.

Preferably, one side of the door panel is bolted with a plurality of cooling fins, and the number of the cooling fins is ten.

Preferably, one side of the damper shell is bolted with a box body, the front of the box body is hinged with a box door through a hinge, and the front of the box door is bolted with a handle.

Preferably, a plurality of mounting holes are formed in the front faces of the air damper shell and the box body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model adopts the lap joint type double-layer blade structure, the blade interlocking control changes the smoke gas flow, the air leakage rate can be controlled within less than 2 percent, simultaneously, the strength of the double-layer blade is high, the service life of the air door is prolonged, the problem that the old type air damper adopts the single-blade type is solved, the air door is not tightly closed, the air leakage rate is more than 10 percent, and the boiler air volume adjusting performance can not be ensured; in addition, the single blade has weak strength, the failure rate of the air door in operation is high, and the air door is frequently required to be stopped and overhauled;

the utility model discloses when hot-blast when passing through the door plant, the temperature of door plant can rise, can effectively dispel the heat to the door plant through the cooperation of fin, when the arm of force and connecting rod break down, can open the chamber door through the cooperation of handle to the person of facilitating the use maintains.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a side sectional view of the structure of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 3 according to the present invention;

fig. 5 is a partial enlarged view of the point B in fig. 3 according to the present invention.

In the figure: 1. a damper housing; 2. a rotating shaft; 3. a bearing seat; 4. a bearing; 5. a door panel; 6. a force arm; 7. a connecting rod; 8. a connecting member; 9. flat steel; 10. a heat sink; 11. a box body; 12. a box door; 13. a handle; 14. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-5, a lap joint type sealed damper comprises a damper housing 1, a plurality of rotating shafts 2 are disposed inside the damper housing 1, a plurality of bearing seats 3 are bolted on both sides of the damper housing 1, a bearing 4 is bolted on one side of each bearing seat 3, both ends of each rotating shaft 2 are sleeved with the bearing 4, a door panel 5 is bolted on both front and back sides of each rotating shaft 2, flat steels 9 are bolted on both top and bottom of the inner side of the damper housing 1, and the hinge assembly can be effectively closed with the door panel 5 by arranging the flat steels 9, so as to ensure sealing performance, a force arm 6 is bolted on one end of each rotating shaft 2, a connecting rod 7 is bolted on the other end of the force arm 6, a connecting member 8 is bolted on one end of each connecting rod 7, a round hole is disposed inside the connecting member 8, so that a user can conveniently connect a power device by arranging the connecting member 8, the lap joint type double-layer blade structure is adopted, the blades are interlocked to control and change the flue gas flow, the air leakage rate can be controlled within less than 2 percent, meanwhile, the double-layer blades have high strength, the service life of the air door is prolonged, the problems that the old-style air door is in a single-blade type, the air door is not tightly closed, the air leakage rate is more than 10 percent, and the air volume regulation performance of the boiler cannot be ensured are solved; in addition, the single blade is weak in strength, the failure rate of the air door in operation is high, and the air door needs to be stopped and overhauled frequently.

Example 2

Referring to fig. 1-5, a lap joint type sealed damper comprises a damper housing 1, a box body 11 is bolted on one side of the damper housing 1, a box door 12 is hinged on the front side of the box body 11 through hinges, a handle 13 is bolted on the front side of the box door 12, the device can be conveniently maintained by a user by arranging the box body 11 and the box door 12, a plurality of mounting holes 14 are respectively arranged on the front sides of the damper housing 1 and the box body 11, the device can be effectively and conveniently mounted by the user by arranging the mounting holes 14, a plurality of rotating shafts 2 are arranged inside the damper housing 1, a plurality of bearing seats 3 are bolted on two sides of the damper housing 1, a bearing 4 is bolted on one side of each bearing seat 3, two ends of each rotating shaft 2 are sleeved with the bearing 4, and a door plate 5 is bolted on the front side and the back side of each rotating shaft 2, one side of the door panel 5 is bolted with a plurality of radiating fins 10, the number of the radiating fins 10 is ten, through the arrangement of the radiating fins 10, the radiating effect on the door panel 5 can be effectively achieved, the flat steel 9 is bolted on the top and the bottom of the inner side of the air damper shell 1, through the arrangement of the flat steel 9, the air damper shell can be effectively closed with the door panel 5, so that the sealing performance is ensured, one end of the rotating shaft 2 is bolted with the force arm 6, the other end of the force arm 6 is bolted with the connecting rod 7, one end of the connecting rod 7 is bolted with the connecting piece 8, a round hole is arranged inside the connecting piece 8, and a user can conveniently connect the power device through the arrangement of the connecting piece 8, when hot air passes through the door panel 5, the temperature of the door panel 5 can rise, the door panel 5 can be effectively radiated through the matching of the radiating fins 10, when the force arm 6, thereby facilitating the maintenance of the user.

The working principle is as follows: the user can install the device through the cooperation of mounting hole 14, can be connected connecting piece 8 and power device afterwards, when the air door needs to be opened, start power device pulling connecting piece 8 and drive connecting rod 7 and remove, connecting rod 7 drives power arm 6 and rotates the regulation afterwards, make arm of force 6 drive pivot 2 rotations through the cooperation of bearing 4, pivot 2 drives door plant 5 afterwards and rotates the regulation, thereby the completion is opened the air door, when hot-blast through door plant 5, the temperature of door plant 5 can rise, can effectively dispel the heat to door plant 5 through the cooperation of fin 10, when arm of force 6 and connecting rod 7 break down, chamber door 12 can be opened through the cooperation of handle 13, thereby the person of facilitating the use maintains.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. Lap joint type sealing damper, including damper casing (1), its characterized in that: the inside of air damper casing (1) is provided with a plurality of pivot (2), the equal bolt in both sides of air damper casing (1) has a plurality of bearing frame (3), one side bolt joint of bearing frame (3) has bearing (4), the both ends of pivot (2) all cup joint with bearing (4), the front and the back of pivot (2) are all bolted and are had door plant (5), the one end bolt joint of pivot (2) has arm (6), the other end bolt joint of arm of force (6) has connecting rod (7).

2. The lap seal damper of claim 1, wherein: one end of the connecting rod (7) is bolted with a connecting piece (8), and a round hole is formed in the connecting piece (8).

3. The lap seal damper of claim 1, wherein: and flat steel (9) is bolted to the top and the bottom of the inner side of the air damper shell (1).

4. The lap seal damper of claim 1, wherein: one side of the door panel (5) is bolted with a plurality of radiating fins (10), and the number of the radiating fins (10) is ten.

5. The lap seal damper of claim 1, wherein: one side of the air damper shell (1) is in bolted connection with a box body (11), the front of the box body (11) is hinged with a box door (12) through a hinge, and the front of the box door (12) is in bolted connection with a handle (13).

6. The lap seal damper of claim 5, wherein: a plurality of mounting holes (14) are formed in the front faces of the air damper shell (1) and the box body (11).