CN206191622U

CN206191622U - Labyrinth smoke box sealing door

Info

Publication number: CN206191622U
Application number: CN201621248458.XU
Authority: CN
Inventors: 王敏鹏; 苗斌; 何小林
Original assignee: Shaanxi Walters Environmental Protection Equipment Co Ltd
Current assignee: Shaanxi Walters Environmental Protection Equipment Co Ltd
Priority date: 2016-11-16
Filing date: 2016-11-16
Publication date: 2017-05-24
Anticipated expiration: 2026-11-16

Abstract

The utility model discloses a labyrinth smoke box sealing door is located and is provided with labyrinth smoke box door on the smoke box panel of flue gas chamber terminal surface, it is sealed with the ring gasket through the smoke box door sealing groove of meshing between labyrinth smoke box door and the smoke box panel, the seal groove in by the smoke box door retaining ring and smoke box outdoors the retaining ring surround and form the labyrinth structure. The utility model discloses sealing area is big, effectively prevents leak cigarette to reduce the heat dissipation of boiler, promote energy -conserving environmental protection index.

Description

A kind of labyrinth type smoke box hermatic door

Technical field

The utility model belongs to boiler technology field, and in particular to a kind of labyrinth type smoke box hermatic door.

Background technology

In recent years, in boiler manfacturing field, smoke box is still an important composition part of boiler, and its effect is main It is that smoke impervious in stove and are made its path for specifying of flow direction, but is always difficult to slap on effective sealing means of smoke box Hold, leakage cigarette often occur, cause thermal loss and contaminated air, be unfavorable for the energy-conserving and environment-protective of boiler.

Utility model content

In view of this, main purpose of the present utility model is to provide a kind of labyrinth type smoke box hermatic door.

To reach above-mentioned purpose, what the technical solution of the utility model was realized in：

The utility model embodiment provides a kind of labyrinth type smoke box hermatic door, is set on the smoke box panel of smoke chamber end face Labyrinth type smoke box door is equipped with, smoke box door seal groove and sealing steel between the labyrinth type smoke box door and smoke box panel by engaging Circle sealing；By smoke box door inner shield ring and smoke box, back-up ring surrounds and forms maze-type structure the seal groove outdoors.

In such scheme, flexible material is filled with the smoke box door seal groove.

In such scheme, clad type smoke box thermal insulation layer is provided with the labyrinth type smoke box door interlayer.

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

The utility model sealing area is big, effective anti-leak-stopping cigarette, so as to reduce the radiation loss of boiler, lifts energy-conserving and environment-protective Index.

Brief description of the drawings

A kind of Fig. 1 structural representations of labyrinth type smoke box hermatic door for the utility model embodiment is provided；

Fig. 2 is the side sectional view of Fig. 1；

A kind of one structure of labyrinth type smoke box door of Fig. 3 labyrinth type smoke box hermatic doors for the utility model embodiment is provided Schematic diagram；

Fig. 4 is the side sectional view of Fig. 3.

Specific embodiment

In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain The utility model, is not used to limit the utility model.

The utility model embodiment provides a kind of labyrinth type smoke box hermatic door, as shown in figure 1, positioned at the end face of smoke chamber 2 Labyrinth type smoke box door 5 is provided with smoke box panel 1, the smoke box between the labyrinth type smoke box door 5 and smoke box panel 1 by engaging Door sealing groove 4 is sealed with ring gasket 3.

Flexible material is filled with the smoke box door seal groove 4.

Clad type smoke box thermal insulation layer is provided with the interlayer of labyrinth type smoke box door 5.

Flue gas enters smoke chamber 2, is blocked by labyrinth type smoke box door 5, so as to change flow direction；Due to smoke box door seal groove 4 with Ring gasket 3 is engaged so that the flexible material filled in smoke box door seal groove 4 is completely close by space after being extruded by ring gasket 3 Envelope, effective anti-leak-stopping cigarette.

By smoke box door inner shield ring 6 and smoke box, back-up ring 7 surrounds and forms maze-type structure the seal groove 4 outdoors；Make flue gas quilt It is sealed in labyrinth, it is impossible to spill, realizes the practicality of sealing structure.

The above, preferred embodiment only of the present utility model is not intended to limit protection of the present utility model Scope.

Claims

1. a kind of labyrinth type smoke box hermatic door, it is characterised in that：Labyrinth type is provided with the smoke box panel of smoke chamber end face Smoke box door, the smoke box door seal groove between the labyrinth type smoke box door and smoke box panel by engaging is sealed with ring gasket；Institute Back-up ring surrounds and forms maze-type structure outdoors by smoke box door inner shield ring and smoke box to state seal groove.

2. a kind of labyrinth type smoke box hermatic door according to claim 1, it is characterised in that：Filled out in the smoke box door seal groove Filled with flexible material.

3. a kind of labyrinth type smoke box hermatic door according to claim 1 and 2, it is characterised in that：The labyrinth type smoke box door Clad type smoke box thermal insulation layer is provided with interlayer.