CN218237504U

CN218237504U - Double-sealing smoke box

Info

Publication number: CN218237504U
Application number: CN202222289827.1U
Authority: CN
Inventors: 李世庆; 周长杰; 司真理; 杨世仿
Original assignee: Henan Force Heat Energy Equipment Manufacturing Co ltd
Current assignee: Henan Force Heat Energy Equipment Manufacturing Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-01-06
Anticipated expiration: 2032-08-29

Abstract

The utility model provides a double-seal smoke box, which relates to the technical field of boiler equipment and comprises a smoke chamber and a smoke box door capable of opening or closing the smoke chamber, wherein one side section of the smoke box close to the smoke box door comprises a first step and a second step, wherein one side of the first step close to the smoke box door is provided with a first seal groove, a first seal ring is fixedly arranged in the first seal groove, the first seal ring protrudes out of the first seal groove, one side of the second step close to the smoke box door is fixedly provided with a second seal groove, a second seal ring is arranged in the second seal groove, the second seal ring protrudes out of the second seal groove, and when the smoke chamber is closed, the smoke box door is abutted against and contacted with the first seal ring and the second seal ring; the first sealing ring plays a role in heat insulation, the second sealing ring plays a role in sealing, the sealing effect of the smoke box door is greatly improved, the whole structure is compact, the appearance is attractive and elegant, the heat of smoke is greatly and effectively utilized, and the heat efficiency of the boiler is improved.

Description

Double-sealing smoke box

Technical Field

The utility model relates to a boiler equipment technical field specifically is double containment smoke box.

Background

The smoke box is a turning channel of a smoke flow of the fuel gas boiler and is also an important window for checking, overhauling and cleaning an internal structure and a heated surface, but because the smoke temperature is higher, the heat preservation and the sealing are difficult, the problems of smoke leakage, high-temperature scalding accidents of the smoke box cover and the smoke box panel, large heat dissipation loss, low boiler thermal efficiency, panel paint color change, even burning, influence on the attractiveness of the boiler and the like are easily caused.

In order to solve the problem, some manufacturers support a layer of protective steel plate in front of the smoke box in a spaced mode, so that the problems of scalding and color change of paint are solved on the surface, but the fundamental problems of large heat dissipation loss and compact structure are not solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double containment smoke box aims at solving among the prior art flue gas temperature in the smoke box than higher, keeps warm, sealed all more difficult, causes the problem that the flue gas leaked easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme: double containment smoke box, including the smoke box and can open or close the smoke box door of smoke box, one side cross-section that the smoke box is close to the smoke box door includes first step and second step, wherein one side that first step is close to the smoke box door has first seal groove, and first seal groove internal fixation is provided with first sealing washer, and first sealing washer salient in first seal groove, one side that the second step is close to the smoke box door is fixed and is equipped with the second seal groove, is provided with the second sealing washer in the second seal groove, and the second sealing washer salient in the second seal groove, when closing the smoke box, the smoke box door supports to lean on the contact on first sealing washer and second sealing washer.

The further technical proposal of the utility model is that the first sealing ring adopts an aluminum silicate needle-punched blanket.

The utility model discloses a further technical scheme does, and the ceramic fiber area is chooseed for use to the second sealing washer.

The utility model discloses a further technical scheme does, the smoke box door includes first guard plate, sets up at the inboard first heat preservation of first guard plate, sets up at the inboard second heat preservation of second guard plate and sets up at the inboard third heat preservation of second heat preservation at the inboard second heat preservation of first heat preservation.

The utility model discloses a further technical scheme does the second guard plate upwards is provided with the bolt hole to week, supplies the bolt to fasten the second guard plate on the second step.

The further technical proposal of the utility model is that the first heat preservation layer adopts an aluminum silicate needled blanket.

The further technical proposal of the utility model is that the second heat preservation layer adopts an aluminum silicate needled blanket.

The utility model discloses a further technical scheme does, the third heat preservation is fire-resistant concrete.

The utility model discloses a further technical scheme does, the one end of smoke box door is passed through the door-hinge and is connected with the smoke chamber rotation.

The utility model has the advantages that:

in this embodiment, first sealing washer plays thermal-insulated effect, and the second sealing washer plays sealed effect, great improvement the sealed effect of smoke box door, overall structure is compact, appearance elegant appearance, and this kind of structure of the most important makes the heat of flue gas effectively utilized greatly, has improved boiler thermal efficiency.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention.

In the figure: 10. a smoking room; 11. a first step; 12. a first seal ring; 15. a second step; 16. a second seal ring; 20. a smoke box door; 21. a first guard plate; 22. a first insulating layer; 23. a second guard plate; 24. a second insulating layer; 25. a third insulating layer; 26. a bolt; 27. a door shaft.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1, the double-sealed smoke box includes a smoke chamber 10 and a smoke box door 20 capable of opening or closing the smoke chamber 10, a cross section of one side of the smoke box close to the smoke box door 20 includes a first step 11 and a second step 15, wherein a first sealing groove is formed in one side of the first step 11 close to the smoke box door 20, a first sealing ring 12 is fixedly disposed in the first sealing groove, the first sealing ring 12 protrudes out of the first sealing groove, a second sealing groove is fixedly disposed on one side of the second step 15 close to the smoke box door 20, a second sealing ring 16 is disposed in the second sealing groove, the second sealing ring 16 slightly protrudes out of the second sealing groove, and when the smoke chamber 10 is closed, the smoke box door 20 abuts against and contacts the first sealing ring 12 and the second sealing ring 16.

Preferably, the first sealing ring 12 is used as a first sealing structure inside, and is made of an aluminum silicate needle-punched blanket, which can resist temperature of over 1200 ℃, because the aluminum silicate needle-punched blanket is higher than the first sealing groove, when the smoke box door 20 is closed, the periphery of the door body of the smoke box door 20 is tightly pressed on the protruding aluminum silicate needle-punched blanket, thereby well isolating heat transfer of high-temperature smoke to the outside.

Preferably, the second sealing ring 16 is used as a second external seal, is made of a ceramic fiber band, can resist temperature of over 1000 ℃, is compacted by a smoke box door, can be fastened by bolts, and plays a role in hard sealing.

In this embodiment, the first sealing ring 12 plays a role in heat insulation, the second sealing ring 16 plays a role in sealing, the sealing effect of the smoke box door is greatly improved, the overall structure is compact, the appearance is attractive and elegant, and most importantly, the structure enables the heat of smoke to be effectively utilized greatly, and the heat efficiency of the boiler is improved.

Wherein the smoke box door 20 includes first protection plate 21, set up at the inboard first heat preservation 22 of first protection plate 21, set up at the inboard second heat preservation 24 of second protection plate 23 of the inboard second protection plate 23 of first heat preservation 22, set up at the inboard third heat preservation 25 of second heat preservation 24, be provided with the bolt hole in second protection plate 23 circumference, supply bolt 26 to fasten second protection plate 23 on second step 15.

Preferably, the first and

second shielding plates

21 and 23 are steel plates.

Specifically, the first insulating layer 22 and the second insulating layer 24 can both be made of aluminum silicate needled blankets, and have low thermal conductivity and good insulating property.

Specifically, the third insulating layer 25 is made of refractory concrete, and has the functions of fire resistance, heat preservation and flue gas erosion resistance.

The first sealing ring 12 plays a role in heat insulation, the second sealing ring 16 plays a role in sealing, and in addition, the inner layer and the outer layer of heat insulation structures of the smoke box cover ensure the heat insulation performance of the smoke box and improve the sealing effect of the smoke box cover, so that the heat of smoke is greatly and effectively utilized, and the heat efficiency of a boiler is improved.

Specifically, one end of the cigarette box door 20 is rotatably connected to the cigarette box 10 through a door shaft 27.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Double containment smoke box, its characterized in that: including the smoke box and can open or close the smoke box door of smoke box, one side cross-section that the smoke box is close to the smoke box door includes first step and second step, wherein one side that first step is close to the smoke box door has first seal groove, and first seal groove internal fixation is provided with first sealing washer, and first sealing washer salient in first seal groove, one side that the second step is close to the smoke box door is fixed and is equipped with the second seal groove, is provided with the second sealing washer in the second seal groove, and the second sealing washer salient in second seal groove, and when closing the smoke box, the smoke box door supports to lean on the contact on first sealing washer and second sealing washer.

2. The dual seal smoke box of claim 1, wherein the first seal ring is an aluminum silicate needle felt blanket.

3. The dual seal smoke box according to claim 1, wherein the second seal ring is a ceramic fiber band.

4. The dual containment smoke box of claim 1, wherein the smoke box door comprises a first protection plate, a first insulation layer disposed inside the first protection plate, a second insulation layer disposed inside the second protection plate, and a third insulation layer disposed inside the second insulation layer.

5. The dual seal hopper according to claim 4, wherein bolt holes are provided in the circumference of the second prevention plate for bolts to fasten the second prevention plate to the second step.

6. The dual containment smoke box of claim 4, wherein the first insulating layer is an aluminum silicate needled blanket.

7. The dual containment smoke box according to claim 4 wherein the secondary insulating layer is an aluminum silicate needled blanket.

8. The dual containment smoke box of claim 4, wherein the third insulating layer is fire resistant concrete.

9. The dual containment smoke box according to any one of claims 1 to 8 wherein one end of the smoke box door is rotatably connected to the smoke chamber by a door shaft.