CN219548759U - Novel device for sealing door shaft with compound multilayer structure - Google Patents

Abstract

The utility model relates to a novel device for sealing a door shaft with a compound multilayer structure, which comprises a fixed plate, wherein baffle door bearings are fixedly arranged on the left side and the right side of the fixed plate, a baffle door shaft is rotatably arranged between the two baffle door bearings, a baffle door baffle is fixedly arranged on the outer surface of the baffle door shaft, a packing chamber is fixedly arranged on the outer surface of the baffle door bearing, a flange is arranged on the outer surface of the packing chamber, an actuator is fixedly arranged at one end of the baffle door bearing, a secondary sealing chamber is arranged on the outer surface of the baffle door shaft, and a primary sealing chamber is arranged on the outer surface of the baffle door shaft. This novel sealed device of multiple multilayer structure door-hinge through setting up the atmoseal room, can be convenient for increase the sealed low temperature space of door-hinge, and the gas pocket is seted up to the atmoseal room, and the compressed air instrument gauge pipe becomes 45 and is connected with the atmoseal room gas pocket and set up compressed air valve, guarantees to keep the malleation in the atmoseal room, reinforces sealed effect.

Description

Novel device for sealing door shaft with compound multilayer structure

Technical Field

The utility model relates to the technical field of a device for sealing a door shaft with a compound multi-layer structure, in particular to a novel device for sealing a door shaft with a compound multi-layer structure.

Background

The composite door is made of two or more main materials, and the general structure is an inner frame, a door core and a veneer, and various performances, grades and prices are determined according to the materials and the manufacturing methods of the components.

In the operation process of the traditional baffle door of the boiler smoke air duct system, the hot air inserting plate door is blocked in the opening and closing process, the hot air inserting plate door is driven by an air cylinder, the air cylinder is used for overcoming friction between a door plate and a guide rail on one hand, and on the other hand, resistance caused by dust accumulation is overcome, frequent adjustment easily causes damage to local parts, the parts are rubbed with a high-speed flowing wind-powder mixture, the service life of the easily worn parts is greatly shortened, phenomena such as sealing is not tight, air leakage, ash leakage and powder leakage occur, and the like are further caused, so that a bearing is further damaged, finally, the air door is blocked and cannot act, the environment of peripheral equipment is polluted, the safety, stability and economic operation of a unit are seriously influenced, and the novel device for sealing the door shaft of the compound multi-layer structure is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a novel device for sealing a door shaft with a duplex multi-layer structure, which has the advantage of good use effect, and solves the problems that the existing door shaft is seriously worn in the use process, and the safety, stability and economical operation of a system are influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel compound multilayer structure door-hinge sealing device, includes the fixed plate, the equal fixed mounting in left and right sides of fixed plate has the baffle door bearing, two rotate between the baffle door bearing and install the baffle door-hinge, the surface fixed mounting of baffle door-hinge has the baffle door baffle, the surface fixed mounting of baffle door bearing has the filler room, the surface of filler room is provided with the gland, the one end fixed mounting of baffle door bearing has the executor, the surface of baffle door-hinge is provided with the second grade seal chamber, the surface of baffle door-hinge is provided with the one-level seal chamber, the side of one-level seal chamber is provided with the air seal pipe, the side of baffle door-hinge is provided with the air seal chamber, the surface of baffle door-hinge is provided with one-level filler seal, the side of baffle door-hinge is provided with the second grade filler seal.

Preferably, the air seal chamber is provided with an air hole, and a compressed air valve is arranged between the compressed air meter tube and the air hole of the air seal chamber at an angle of 45 degrees.

Preferably, a packing seal is added between the primary sealing chamber and the flange, and is fixedly connected through a primary locking bolt and a primary locking nut.

Preferably, the secondary sealing chamber is connected with the primary sealing chamber and is connected and fixed with the flange by adding a filler seal between the secondary sealing chamber and the flange through a secondary locking bolt and a secondary locking nut.

Preferably, the flange is made of metal and is composed of split four bolts.

Preferably, the flange, the primary sealing chamber, the primary packing seal, the primary locking bolt and the primary locking nut form a sealing mechanism I.

Preferably, the flange, the secondary sealing chamber, the secondary packing seal, the secondary locking bolt and the secondary locking nut form a sealing mechanism II.

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

this novel multiple multilayer structure door-hinge is sealed device through setting up the atmoseal room, can be convenient for increase door-hinge is sealed low temperature space, the air pocket is seted up to the atmoseal room, the air pocket is connected and sets up compressed air valve to the atmoseal pipe 45 and air pocket, keep the malleation in the atmoseal room, reinforce sealed effect, through setting up the gland, the atmoseal room, the one-level seal room, the second grade seal room, one-level packing, the second grade packing is sealed, one-level lock bolt, one-level lock nut, the second grade lock nut, instrument pipe and supporting valve, can make the baffle door shaft seal after reforming transform safer, more reliably, not only eliminate the potential safety hazard that leads to because of high temperature flue gas and hot ash leak, greatly reduced the fault frequency of baffle door, the reliability is improved, furthest has alleviateed equipment loss, equipment life has been prolonged, maintenance cost has been saved, reduce maintainer intensity of labour, reduce cost and efficiency and economic operation have provided for the company and have guaranteed.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the present utility model;

fig. 3 is a side view of the structure of the present utility model.

In the figure: 1. a fixing plate; 2. a baffle door bearing; 3. a baffle door shaft; 4. a baffle door baffle; 5. a packing chamber; 6. pressing blue; 7. an actuator; 8. a secondary seal chamber; 9. a primary seal chamber; 10. an air seal air pipe; 11. an air seal chamber; 12. primary packing seal; 13. and (5) sealing by a secondary packing.

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. 1-3, a novel device for sealing a door shaft with a duplex multi-layer structure in this embodiment comprises a fixing plate 1, wherein baffle door bearings 2 are fixedly installed on the left side and the right side of the fixing plate 1, a baffle door shaft 3 is rotatably installed between the two baffle door bearings 2, a baffle door baffle 4 is fixedly installed on the outer surface of the baffle door shaft 3, a packing chamber 5 is fixedly installed on the outer surface of the baffle door bearing 2, a flange 6 is arranged on the outer surface of the packing chamber 5, an actuator 7 is fixedly installed at one end of the baffle door bearing 2, a secondary sealing chamber 8 is arranged on the outer surface of the baffle door shaft 3, a primary sealing chamber 9 is arranged on the side surface of the primary sealing chamber 9, a gas sealing air pipe 10 is arranged on the side surface of the baffle door shaft 3, a gas sealing chamber 11 is arranged on the side surface of the baffle door shaft 3, a primary packing seal 12 is arranged on the side surface of the baffle door shaft 3, and a secondary packing seal 13 is arranged on the side surface of the baffle door shaft 3.

The air seal chamber 11 is provided with air holes, a compressed air valve is arranged between the air hole connection of the air seal chamber and the air hole connection of the air seal chamber at an angle of 45 degrees, and the pressure of compressed air is ensured to be larger than that of a hot air pipeline, so that positive pressure is kept in the air seal chamber 11, and leakage of hot air and smoke can be effectively prevented from injuring people.

The packing seal is added between the primary sealing chamber 9 and the flange 6 and is fixedly connected through a primary locking bolt and a primary locking nut, and the flange 6, the primary sealing chamber 9, the primary packing seal 12, the primary locking bolt and the primary locking nut form a sealing mechanism I.

The primary sealing chamber 9 can prevent hot air from leaking from the hot air duct to the door spindle, abrade the hot air door spindle and damage the seal, thereby causing environmental pollution.

The flange 6 is made of metal and is formed by split four bolts, and plays a role in compressing primary sealing and secondary sealing filler to prevent thermal ash from leaking outwards along the door shaft.

The second-stage sealing chamber 8 is connected with the first-stage sealing chamber 9 and is fixedly connected with the flange 6 by adding a filler seal between the flange 6 and the flange 6 by using a second-stage locking bolt and a second-stage locking nut, the flange 6, the second-stage sealing chamber 8, the second-stage filler seal 13, the second-stage locking bolt and the second-stage locking nut form a second sealing mechanism to form a second-stage seal, hot air is prevented from leaking from the first-stage sealing chamber 9 to the second-stage sealing chamber 8, hot air and hot ash are prevented from leaking, environmental pollution is caused, and meanwhile, the flange 6 is convenient to overhaul, such as leakage hurts people, then the first-stage filler seal 12 is tightly pressed by fastening the first-stage sealing chamber 8 and the second-stage sealing chamber 8, the flange 6 is opened and the second-stage filler seal 13 is installed, and finally the flange 6 is restored.

Secondary packing 13: the packing is usually woven by softer linear materials, is filled in a sealing cavity through a strip-shaped material with a square cross section area, generates a pressing force by a gland, presses the packing, forces the packing to be pressed on the outer surface of a sealing surface shaft and the sealing cavity, and generates a radial force of a sealing effect, so that the packing plays a sealing role, the graphite packing can resist high temperature and high pressure, is one of the most effective products for solving the sealing problems of high temperature and high pressure, is corrosion-resistant, has excellent sealing performance, and has stable and reliable effect.

In order to ensure the external reinforcing sealing effect, a first-stage locking bolt and a first-stage locking nut are used for connecting and fixing by adding a packing seal between the first-stage sealing chamber 9 and the flange 6, and a second-stage sealing chamber 8 is connected with the first-stage sealing chamber 9 and is used for connecting and fixing by adding a packing seal between the second-stage sealing chamber 8 and the flange 6, so that secondary sealing is ensured.

In summary, this novel sealed device of multiple multilayer structure door-hinge through setting up air seal room 11, can be convenient for increase door-hinge sealed low temperature space, the air pocket is seted up to air seal room 11, compressed air meter gauge tube becomes 45 and air seal room air pocket connection and sets up compressed air valve, keep the malleation in the air seal room 11, reinforce sealed effect, through setting up gland 6, air seal room 11, one-level sealed room 9, second grade sealed room 8, one-level packing seal 12, second grade packing seal 13, one-level lock bolt, one-level lock nut, second grade lock bolt, second grade lock nut, gauge tube and supporting valve, can make the baffle door after the transformation safer, more reliably, not only eliminate the potential safety hazard that brings because of high temperature flue gas and hot ash leak, greatly reduced the fault frequency of baffle door, reliability is improved, furthest's reduction equipment loss, prolonged equipment life, save maintenance cost, personnel's cost of reducing the cost of labor and improving efficiency and economic operation provide and have the guarantee for the company.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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 (7)

1. Novel device for sealing door shaft with compound multilayer structure, comprising a fixed plate (1), and being characterized in that: the baffle door is characterized in that baffle door bearings (2) are fixedly installed on the left side and the right side of the fixed plate (1), a baffle door shaft (3) is rotatably installed between the baffle door bearings (2), a baffle door baffle (4) is fixedly installed on the outer surface of the baffle door shaft (3), a packing chamber (5) is fixedly installed on the outer surface of the baffle door bearing (2), a flange (6) is arranged on the outer surface of the packing chamber (5), an actuator (7) is fixedly installed at one end of the baffle door bearing (2), a second-stage sealing chamber (8) is arranged on the outer surface of the baffle door shaft (3), a first-stage sealing chamber (9) is arranged on the outer surface of the baffle door shaft (3), a gas seal air pipe (10) is arranged on the side surface of the first-stage sealing chamber (9), a first-stage packing seal (12) is arranged on the outer surface of the baffle door shaft (3), and a second-stage sealing (13) is arranged on the side surface of the baffle door shaft (3).

2. A novel device for sealing a door spindle of a composite multi-layer structure as claimed in claim 1, wherein: the air seal chamber (11) is provided with air holes, and a compressed air valve is arranged between the compressed air meter tube and the air holes of the air seal chamber at an angle of 45 degrees.

3. A novel device for sealing a door spindle of a composite multi-layer structure as claimed in claim 1, wherein: and a packing seal is added between the primary sealing chamber (9) and the flange (6) and is connected and fixed through a primary locking bolt and a primary locking nut.

4. A novel device for sealing a door spindle of a composite multi-layer structure as claimed in claim 1, wherein: the secondary sealing chamber (8) is connected with the primary sealing chamber (9) and is connected and fixed with the flange (6) by adding filler between the secondary sealing chamber and the flange by using a secondary locking bolt and a secondary locking nut.

5. A novel device for sealing a door spindle of a composite multi-layer structure as claimed in claim 1, wherein: the flange (6) is made of metal and is composed of split four bolts.

6. A novel multiple multi-layer structural door shaft seal apparatus according to claim 3, wherein: the flange (6), the primary sealing chamber (9), the primary packing seal (12), the primary locking bolt and the primary locking nut form a sealing mechanism I.

7. A novel multiple multi-layer structural door shaft seal apparatus according to claim 5, wherein: the flange (6), the secondary sealing chamber (8), the secondary packing seal (13), the secondary locking bolt and the secondary locking nut form a sealing mechanism II.