CN212456957U - Boiler overhauls viewing device and contains boiler of this boiler overhauls viewing device - Google Patents

Abstract

The utility model provides a boiler overhauls viewing device and contains this boiler overhauls viewing device's boiler, relate to boiler technical field, it includes the manhole pipe, the intraductal resistant firebrick that is equipped with of manhole, the fixed cover of manhole pipe is equipped with overhauls the takeover, it inlays and establishes in the furnace inner wall to overhaul the takeover, the outer end of overhauing the takeover can be dismantled and be connected with viewing device, resistant firebrick is pie and its external diameter and the internal diameter phase-match of furnace manhole, resistant firebrick offers the central through-hole that is used for observing furnace inside, viewing device is including dismantling the annular connecting plate of connecting in overhauing the takeover outer end, fixed mounting is at the end cover of the outer terminal surface of annular connecting plate and. The utility model discloses be in the same place viewing device and maintenance device are integrated, need not to reduce the diaphragm type wall pipe, can keep sufficient heat radiating area to need not to dismantle also can conveniently clear up the dust on the observation mirror.

Description

Boiler overhauls viewing device and contains boiler of this boiler overhauls viewing device

Technical Field

The utility model belongs to the technical field of the boiler technique and specifically relates to indicate a boiler overhauls viewing device and contains this boiler overhauls viewing device's boiler.

Background

The boiler is an energy converter, which is a device for heating working medium water or other fluids to certain parameters by using heat energy released by fuel combustion or other heat energy. The boilers are generally provided with access doors to facilitate routine maintenance. Because the diaphragm type wall pipe of connecting the boiler barrel is laid to the inside stove chamber of current boiler, and the access door of boiler all installs in the furnace wall generally, consequently has to reduce some diaphragm type wall pipe and vacate sufficient space to with the ability that the access door opened the back and get into furnace smoothly, but directly just so lead to the reduction of the heat radiation area of diaphragm type wall pipe, and then reduce the thermal efficiency of boiler. In addition, current observation sight glass device all sets up alone at the furnace wall, because during the fuel burning, can produce a certain amount of smoke and dust, the time of having a specified duration will be covered with the observation sight glass, leads to follow-up unable clear flame that sees, consequently needs often to dismantle the clearance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler overhauls viewing device and contains this boiler overhauls viewing device's boiler, with viewing device and maintenance device integration together, need not to reduce the diaphragm type wall pipe, can keep sufficient heat radiating area to need not to dismantle and also can conveniently clear up the dust on the observation mirror.

In order to solve the technical problem, the utility model discloses a following technical scheme: a boiler maintenance observation device comprises a maintenance hole pipe which is arranged on the inner wall of a hearth in a penetrating way, a refractory brick is arranged in the maintenance hole pipe, the manhole pipe is fixedly sleeved with a maintenance connecting pipe which is embedded in the inner wall of the hearth, the outer end of the overhaul connecting pipe is detachably connected with an observation device, the firebrick is cake-shaped, the outer diameter of the firebrick is matched with the inner diameter of the overhaul hole of the hearth, the firebrick is provided with a central through hole for observing the interior of the hearth, the observation device comprises an annular connecting plate which is detachably connected with the outer end of the maintenance connecting pipe, an end cover which is fixedly arranged on the outer end face of the annular connecting plate and an observation pipe which is arranged through the end cover and is coaxial with the maintenance hole pipe, the inner end of the observation tube extends into the end cover and is fixedly connected with the annular connecting plate, the outer end of the observation tube is provided with heat-resistant glass, and the observation tube is further connected with a soot blowing connecting tube.

Preferably, the outer end of the observation tube is also provided with a protective cover.

More preferably, the number of the refractory bricks is a plurality of refractory bricks, and a plurality of refractory bricks are sequentially stacked and lean in the manhole pipe.

More preferably, the inner wall surface of the maintenance connecting pipe is annularly provided with a positioning plate, the outer end surface of the maintenance connecting pipe and the wall surface of the hearth are both in a flush shape, and the annular connecting plate is in threaded connection with the positioning plate.

Additionally, the utility model provides a boiler that contains above-mentioned boiler maintenance viewing device, it includes furnace, sets up the boiler barrel in furnace and lay the inside diaphragm type wall pipe that connects the boiler barrel all around of furnace, the manhole pipe sets up at furnace's tail end, and the axis of manhole pipe and furnace's axis coincidence are located the diaphragm type wall pipe part around the manhole pipe at furnace tail end middle part is to the crooked form of dodging of both sides.

The beneficial effects of the utility model reside in that: the observation device and the maintenance device are integrated together, so that the observation device does not need to occupy the wall space of the hearth additionally, the maintenance observation device is arranged at the tail end of the hearth, and the film-type wall pipe surrounding the maintenance hole pipe in the middle of the tail end of the hearth can be bent and avoided towards two sides, so that the film-type wall pipe does not need to be reduced, and the sufficient heat radiation area can be kept; moreover, compressed air is sprayed into the soot blowing connecting pipe, so that dust on the observation sight glass can be conveniently cleaned without disassembly; when needs overhaul, only need take off observation device from overhauing taking over, then take out resistant firebrick, can make the staff enter into the furnace from the manhole pipe and overhaul in.

Drawings

Fig. 1 is a schematic overall structure diagram in an embodiment of the present invention;

FIG. 2 is a schematic sectional side view of the service pipe in the embodiment;

FIG. 3 is a schematic end face structure diagram of a service connection pipe in the embodiment;

FIG. 4 is a schematic structural view of an observation apparatus in the embodiment;

FIG. 5 is a schematic end view of an observation apparatus in an embodiment;

FIG. 6 is a schematic diagram showing the position structure of the manhole pipe and the membrane wall pipe in the embodiment.

The reference signs are:

1-manhole pipe 2-firebrick 2 a-central through hole

3-maintenance connecting pipe 3 a-positioning plate 4-observation device

4 a-annular connecting plate 4 b-end cover 4 c-observation tube

4d heat-resisting glass 4e soot blowing connecting pipe 4f protective cover

5-film wall pipe.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally 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 according to specific situations by those skilled in the art.

Furthermore, in the present disclosure, unless explicitly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in figures 1-5, a boiler overhauls the observation device, including using for penetrating the manhole tube 1 set up in the furnace inboard wall, the manhole tube 1 is equipped with the firebrick 2, the manhole tube 1 is fixedly sheathed with overhauls the takeover 3, overhaul the takeover 3 is inlaid in the furnace inboard wall, the outer end of overhauls the takeover 3 can be dismantled and connected with the observation device 4, the firebrick 2 is cake-shaped and its external diameter matches with internal diameter of the furnace manhole, the firebrick 2 offers the central through hole 2a used for observing the furnace inside, the observation device 4 includes the annular connecting plate 4a that can be dismantled and connected to the outer end of overhauls the takeover 3, the end cover 4b fixedly installed on the outer end of the annular connecting plate 4a and the observation tube 4c that is worn and set up coaxially with the manhole tube 1 of the end cover 4b, the inner end of the observation tube 4c stretches into the end cover 4, the observation tube 4c is also connected with a soot blowing nozzle 4 e.

According to the boiler maintenance observation device provided by the embodiment, the observation device 4 and the maintenance device are integrally arranged together, so that the observation device 4 does not need to additionally occupy the wall space of a hearth; moreover, by spraying compressed air into the soot blowing connecting pipe 4e, dust on the observation sight glass (namely the heat-resistant glass 4 d) can be conveniently cleaned without disassembly; when needs overhaul, only need take down viewing device from overhauing takeover 3, then take out resistant firebrick 2, can make the staff enter into the furnace from manhole pipe 1 and overhaul in.

Preferably, a protective cover 4f is further installed at the outer end of the observation tube 4c, and the protective cover 4f can be made to cover the outer end of the observation tube 4c to protect the pyrex 4d when the boiler is not in operation.

More preferably, the number of the refractory bricks 2 is a plurality of refractory bricks 2, and a plurality of refractory bricks 2 are sequentially stacked in the manhole pipe 1 to improve the heat insulation effect.

More preferably, the inner wall surface of the maintenance adapter 3 is annularly provided with a positioning plate 3a, the outer end surface of the maintenance adapter 3 and the wall surface of the hearth are flush, and the annular connecting plate 4a is in threaded connection with the positioning plate 3 a.

Of course, those skilled in the art should know that a layer of sealing plate may be disposed on the outer wall of the furnace, and it is also an embodiment that the maintenance connection pipe 3 is embedded in the sealing plate (at this time, the maintenance hole pipe 1 penetrates through the sealing plate and the wall surface of the furnace at the same time), and the maintenance connection pipe 3 may be connected with the sealing plate in a welded manner, and then the connection function of the observation device 4 is matched, so that the overall sealing effect can be ensured, and the risk of flue gas leakage is reduced.

In addition, this embodiment still provides a boiler that contains above-mentioned boiler maintenance viewing device, concretely, including furnace, the boiler barrel that sets up in furnace and lay in furnace inside all around and connect the diaphragm type wall pipe 5 of boiler barrel, manhole pipe 1 sets up the tail end at furnace, and the axis of manhole pipe 1 and the coincidence of furnace's axis, as shown in fig. 6, the diaphragm type wall pipe 5 part that is located furnace tail end middle part around manhole pipe 1 is to the crooked form of dodging of both sides, need not to reduce diaphragm type wall pipe 5 like this, can keep sufficient heat radiation area, its heat radiation area differs almost with original heat radiation area, guarantee that the boiler possesses good thermal efficiency.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

In order to make it easier for those skilled in the art to understand the improvement of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and in order to clarify, some other elements have been omitted from this document, those skilled in the art should recognize that these omitted elements may also constitute the content of the present invention.

Claims (5)

1. The utility model provides a boiler overhauls viewing device, is including being used for running through the manhole pipe (1) that sets up at the furnace inner wall, its characterized in that: the furnace hearth inspection hole is characterized in that a refractory brick (2) is arranged in the inspection hole pipe (1), an inspection connecting pipe (3) is fixedly sleeved on the inspection hole pipe (1), the inspection connecting pipe (3) is embedded in the inner wall of a hearth, the outer end of the inspection connecting pipe (3) is detachably connected with an observation device (4), the refractory brick (2) is in a cake shape, the outer diameter of the refractory brick is matched with the inner diameter of the inspection hole of the hearth, a central through hole (2 a) for observing the inside of the hearth is formed in the refractory brick (2), the observation device (4) comprises an annular connecting plate (4 a) detachably connected to the outer end of the inspection connecting pipe (3), an end cover (4 b) fixedly installed on the outer end face of the annular connecting plate (4 a) and an observation pipe (4 c) which penetrates through the end cover (4 b) and is coaxially arranged with the inspection hole pipe (1), and the inner end of the observation pipe (4 c, the outer end of the observation tube (4 c) is provided with heat-resistant glass (4 d), and the observation tube (4 c) is also connected with a soot blowing connecting tube (4 e).

2. The boiler maintenance viewing device of claim 1, wherein: and a protective cover (4 f) is also arranged at the outer end of the observation tube (4 c).

3. The boiler maintenance viewing device of claim 2, wherein: the number of the refractory bricks (2) is multiple, and the refractory bricks (2) are sequentially stacked and lean against the inside of the manhole pipe (1).

4. The boiler overhaul viewing device of claim 3, wherein: the inner wall surface of the maintenance connecting pipe (3) is annularly provided with a positioning plate (3 a), the outer end surface of the maintenance connecting pipe (3) and the wall surface of the hearth are both in a flush state, and the annular connecting plate (4 a) is in threaded connection with the positioning plate (3 a).

5. A boiler comprising the boiler service observation apparatus of claim 4, wherein: including furnace, the drum of setting in furnace and lay in furnace inside all around and connect diaphragm type wall pipe (5) of drum, manhole pipe (1) sets up the tail end at furnace, and the axis of manhole pipe (1) coincides with furnace's axis, is located diaphragm type wall pipe (5) part around manhole pipe (1) at furnace tail end middle part is to the crooked form of dodging of both sides.

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