CN204573984U - A kind of maintenance mechanism of steam boiler upper end - Google Patents
A kind of maintenance mechanism of steam boiler upper end Download PDFInfo
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- CN204573984U CN204573984U CN201520259765.7U CN201520259765U CN204573984U CN 204573984 U CN204573984 U CN 204573984U CN 201520259765 U CN201520259765 U CN 201520259765U CN 204573984 U CN204573984 U CN 204573984U
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- plate body
- steam boiler
- maintenance mechanism
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- access hole
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Abstract
The utility model provides a kind of maintenance mechanism of steam boiler upper end, belongs to field of mechanical technique.The technical problems such as insecure and easy temperature distortion are installed by the maintenance mechanism it solving existing steam boiler upper end.The furnace interior of the maintenance mechanism steam boiler of this kind of steam boiler upper end is cavity, cavity inner wall has reclined heat(ing) coil, body of heater sidepiece has the access hole running through its inner chamber, access door is positioned at access hole place and can makes access hole opening and closing, above-mentioned access hole walked around by heat(ing) coil, the castor that access door comprises the plate body in tabular and is connected on the downside of plate body, it is the Embedded Division matched with access door inside plate body, plate body inner side edge is along the fastening edge with protrusion, and above-mentioned Embedded Division is the described external port place fastened along being fastened on access hole after embedding access hole.The utility model has access door and is connected with boiler tightr, and sealing and heat resistance better, move the advantages such as more convenient.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of steam boiler, particularly a kind of maintenance mechanism of steam boiler upper end.
Background technology
Boiler maintenance door is arranged on boiler and need overhauls out, is the requisite part of boiler.People enter boiler internal by access door, carry out the work such as the installation of boiler, maintenance.。The large-scale access door of traditional boiler is relatively simple for structure, and gateway is less, can only creep by and maintenance door closure typically use bolt and fix, door closure and the easy temperature distortion of bolt, cause access door opening and closing difficulty.All must open access door when need monitor boiler internal situation maybe can only to be observed by peep hole little on access door, use inconvenience and poor effect.
As " the large-scale access door of boiler " that its publication number of Chinese patent CN203570146U provides, it comprises access door framework, door closure and is arranged on the sight vent on door closure, the cover plate be fixedly connected with before and after door closure comprises and fitting portion, the door opening of fitting portion and access door framework is fitting to connection, cover plate and access door framework are fitted and connected, joint place arranges flexible graphite gasket, access door framework is provided with the airtight handle with cover plate snapping in cover plate periphery, access door framework side is also provided with door closure support, be articulated and connected with door closure, cover plate is provided with handle for opening door.
Can find out, above-mentioned cover plate is provided with handle for opening door, can open the door easily.But, owing to being hinged than relatively large door closure, structure complex structure.And, the door closure after opening also need operator to note at any time whether door closure can close.Cause its completeness poor like this.
Summary of the invention
The purpose of this utility model is the problems referred to above for existing in existing technology, provides and overhauls maintenance mechanism that is convenient and the steam boiler upper end that stability is high.
The purpose of this utility model realizes by following technical proposal:
A kind of maintenance mechanism of steam boiler upper end, the furnace interior of steam boiler is cavity, described cavity inner wall has reclined heat(ing) coil, described body of heater sidepiece has the access hole running through its inner chamber, access door is positioned at access hole place and can makes access hole opening and closing, it is characterized in that, above-mentioned access hole walked around by described heat(ing) coil, the castor that described access door comprises the plate body in tabular and is connected on the downside of plate body, it is the Embedded Division matched with access door inside described plate body, described plate body inner side edge is along the fastening edge with protrusion, above-mentioned Embedded Division is the described external port place fastened along being fastened on access hole after embedding access hole, described fastening is connected to inside described plate body along place by dismountable bindiny mechanism, and have and can contact the hermetically-sealed construction being formed and seal with body of heater on fastening edge.
Body of heater sidepiece has the access hole heating tube running through inner chamber to walk around access hole, makes maintenance convenient and safe.Access door is the plate body in tabular, is provided with castor, the opening and closing of access door is moved more laborsaving on the downside of plate body, convenient.Plate body inner side edge, along the fastening edge with protrusion, fastens the external port place along being fastened on access hole, makes the better tightness of boiler, be fastened on external port place, effectively alleviates access door temperature distortion.
In the maintenance mechanism of above-mentioned steam boiler upper end, described Embedded Division is block and is connected in plate body top.
Embedded Division, in block, make better tightness, is connected in plate body top, makes closed tightr.
In the maintenance mechanism of above-mentioned steam boiler upper end, described Embedded Division and plate body are integral type structure.
Integral structure is firm stable more, and when the mobile opening and closing of access door, Embedded Division can not drop, and affect the use of boiler, security is better.
In the maintenance mechanism of above-mentioned steam boiler upper end, described Embedded Division is the inclined-plane tilted towards the side of furnace interior, there is in the middle part of described plate body the faying surface of protrusion, described faying surface and plate body inner vertical, angle between above-mentioned inclined-plane and faying surface is acute angle, and above-mentioned faying surface can be resisted against the Xia Yanchu of access hole.
Embedded Division is towards the inclined-plane of furnace interior side, and clinch can be resisted against the Xia Yanchu of access hole, makes the connection of access door and body of heater more stable, can not depart from body of heater easily.
In the maintenance mechanism of above-mentioned steam boiler upper end, the angle between described inclined-plane and faying surface is 30-60 to spend.
Angle between inclined-plane and faying surface is 30-60 degree, and center of gravity, near plate body, makes access door move more stable.
In the maintenance mechanism of above-mentioned steam boiler upper end, described clinch is connected on above-mentioned plate body by cement.
Cement material is lighter, and heat resistance is good, is connected more stable.
In the maintenance mechanism of above-mentioned steam boiler upper end, described clinch is refractory material.
Refractory material refers to that refractoriness is not less than a class Inorganic Non-metallic Materials of 1580 DEG C.It has the characteristics such as the low and coefficient of expansion of the ability of good heat shock resistance and chemical erosion, thermal conductivity factor is low
In the maintenance mechanism of above-mentioned steam boiler upper end, described clinch is the stacking silica brick linked together.
Silica brick belongs to acid refractory, and have good acid-resisting erosiveness, its good heat conductivity, refractoriness under load is high, generally more than 1620 DEG C, only low than its refractoriness 70 ~ 80 DEG C.The thermal conductivity of silica brick increases along with the rising of operating temperature, does not have residual shrinkage, and in baker process, silica brick volume increases along with the rising of temperature.
In the maintenance mechanism of above-mentioned steam boiler upper end, described clinch is the stacking clay brick linked together.
Clay brick better heat stability, gathers materials on the spot, and low price is durable in use, also has the advantages such as fire prevention, heat insulation, sound insulation, the moisture absorption.
In the maintenance mechanism of above-mentioned steam boiler upper end, described fastening is along being square frame shape, and described fastening, along above having the connecting hole run through, is had securing member in described connecting hole and fastens along being connected with plate body by securing member.
Fasten along being enclosed within Embedded Division.Securing member is screw, and screw one end is positioned at connection hole, and the screw other end is threaded on plate body.Fastening along upper because screw is connected to, finally making fastening along being firmly connected on plate body.
In the maintenance mechanism of above-mentioned steam boiler upper end, have inside described plate body recessed and with the Connection Block fastened along matching, above-mentioned fastening is positioned at Connection Block place along inner side and fastens and stretches out plate body along outside.
Recessed Connection Block can improve the connective stability fastened along with plate body.Meanwhile, the fastening of plate body is stretched out along stable being covered by the gap location between plate body and body of heater of energy.
In the maintenance mechanism of above-mentioned steam boiler upper end, described Connection Block place has sealing gasket, and described sealing gasket is pressed on and fastens between edge and Connection Block.
Sealing gasket is flexible material.It has two effects, one, to Connection Block and fasten along between junction seal; Two, there is certain shock absorbing effect.
In the maintenance mechanism of above-mentioned steam boiler upper end, described hermetically-sealed construction comprises and fastens the seal groove that is recessed into ringwise along outside, has sealing ring and sealing ring part is stretched out and fastened along outside in described seal groove.
Sealing ring part is embedded in seal groove place, and convenient and stable being connected to of sealing ring can be made to fasten along outside.
Alternatively scheme, in the maintenance mechanism of above-mentioned steam boiler upper end, described hermetically-sealed construction comprises the sealing ring being bonded in and fastening along outside.
Directly make fastening along linking together with plate body by glue, attaching parts are convenient and be connected firmly.
Compared with prior art, the maintenance mechanism of this kind of steam boiler upper end has access door and is connected with boiler tightr, sealing and the better advantage of heat resistance.Access door plate body bottom adds castor, makes the opening and closing of access door with mobile more convenient.
Accompanying drawing explanation
Fig. 1 is the maintenance mechanism front view of this steam boiler upper end.
Fig. 2 is the maintenance mechanism left view of this steam boiler upper end.
Fig. 3 is the maintenance mechanism right view of this steam boiler upper end.
Fig. 4 is the structural representation fastening edge in the maintenance mechanism of this steam boiler upper end.
In figure, 1, body of heater; 2, access hole; 3, edge is fastened; 3a, connecting hole; 3b, seal groove; 4, plate body; 4a, Connection Block; 5, handle; 6, Embedded Division; 7, castor; 8, sealing gasket; 9, sealing ring.
Detailed description of the invention
As shown in Figure 1, a kind of maintenance mechanism of steam boiler upper end, body of heater 1 inside of steam boiler is cavity, described cavity inner wall has reclined heat(ing) coil, described body of heater 1 sidepiece has the access hole 2 running through its inner chamber, access door is positioned at access hole 2 place and can makes access hole opening and closing, it is characterized in that, above-mentioned access hole walked around by described heat(ing) coil, ensure the security of staff in maintenance situation, access hole walked around by heat(ing) coil, avoids heat(ing) coil to contact with the direct of access door, can increase the service life of access door.
As shown in Figures 2 and 3, the castor 7 that described access door comprises the plate body 4 in tabular and is connected on the downside of plate body, ensure that access door is in opening and closing process, connection between access door and access hole 2 can not be ruptured, the safe operation of guarantee equipment, meanwhile, increasing castor 7 makes the opening and closing of access door convenient laborsaving.
Be the Embedded Division 6 matched with access door inside described plate body, when access door closes, Embedded Division 6 can ride over access hole 2 and go out, and ensure that the stability of whole access door.
Described plate body 2 inner side edge is along having the fastening of protrusion along 3, and after above-mentioned Embedded Division 6 embeds access hole 2, described fastening can be fastened on the external port place of access hole 2 along 3.Fasten the external port place being fastened on access hole 2 along 3, avoid to fasten and directly contact with the body of heater 1 of high temperature along 3, thus make to fasten along 3 corrosion and meet high temperature melt, ensure that service life, increase the security of equipment operation.
Described Embedded Division 6 is integral type structure with plate body 4.Integral structure is firm stable more, and when the mobile opening and closing of access door, Embedded Division can not drop, and affect the use of boiler, security is better.
Embedded Division 6 is towards the inclined-plane of the inner side of body of heater 1, and Embedded Division 6 can be resisted against the Xia Yanchu of access hole 2, makes the connection of access door and body of heater 1 more stable, can not depart from body of heater 1 easily.
Angle between inclined-plane and faying surface is 30-60 degree, and center of gravity, near plate body, makes access door move more stable.
Described clinch 6 is be the stacking silica brick that links together and clay brick, and silica brick is a kind of refractory material, and it has the characteristics such as the low and coefficient of expansion of the ability of good heat shock resistance and chemical erosion, thermal conductivity factor is low.Clinch 6 is connected on above-mentioned plate body 4 by cement.
Described fastening is connected to inside described plate body 4 along 3 places by dismountable bindiny mechanism, and can contact with body of heater 1 hermetically-sealed construction being formed and seal at fastening along having on 3.
Fasten along 3 in square frame shape, described fastening, along having the connecting hole 3a run through on 3, is had securing member in described connecting hole 3a and fastens and be connected with plate body 4 by securing member along 3.
Have inside plate body 4 recessed and with fasten the Connection Block 4a matched along 3, above-mentioned fastening stretches out plate body along being positioned at Connection Block 4a place and fastening inside 3 outside 3.
Connection Block 4a place has sealing gasket 8, and described sealing gasket 8 is pressed on and fastens along between 3 and Connection Block 4a.
Hermetically-sealed construction comprises the seal groove 3b fastened along recessed ringwise outside 3, has sealing ring 9 and sealing ring 9 part is stretched out and fastened outside 3 in described seal groove 3b.According to actual conditions, hermetically-sealed construction adopts another scheme to be also feasible, that is: sealing structure comprise be bonded in fasten along the sealing ring 9 outside 3.
When needing to overhaul this steam boiler, first boiler is closed.Then, pull access door by operator, owing to having castor 7 bottom access door, therefore, access door can easily be removed by body of heater.Now, access hole is opened, and maintainer can easily be entered in body of heater by access hole.
In addition, after access door is closed, can by the gap location sealing between access door and body of heater by the fastening edge of its edge.Improve the stability in use of boiler.
Claims (10)
1. the maintenance mechanism of a steam boiler upper end, the furnace interior of steam boiler is cavity, described cavity inner wall has reclined heat(ing) coil, described body of heater sidepiece has the access hole running through its inner chamber, access door is positioned at access hole place and can makes access hole opening and closing, it is characterized in that, above-mentioned access hole walked around by described heat(ing) coil, the castor that described access door comprises the plate body in tabular and is connected on the downside of plate body, it is the Embedded Division matched with access door inside described plate body, described plate body inner side edge is along the fastening edge with protrusion, above-mentioned Embedded Division is the described external port place fastened along being fastened on access hole after embedding access hole, described fastening is connected to inside described plate body along place by dismountable bindiny mechanism, and have and can contact the hermetically-sealed construction being formed and seal with body of heater on fastening edge.
2. the maintenance mechanism of a kind of steam boiler upper end according to claim 1, is characterized in that, described Embedded Division is block and is connected in plate body top.
3. the maintenance mechanism of a kind of steam boiler upper end according to claim 1, is characterized in that, described Embedded Division and plate body are integral type structure.
4. the maintenance mechanism of a kind of steam boiler upper end according to claim 1, it is characterized in that, described Embedded Division is the inclined-plane tilted towards the side of furnace interior, there is in the middle part of described plate body the faying surface of protrusion, described faying surface and plate body inner vertical, angle between above-mentioned inclined-plane and faying surface is acute angle, and above-mentioned faying surface can be resisted against the Xia Yanchu of access hole.
5. the maintenance mechanism of a kind of steam boiler upper end according to claim 1, it is characterized in that, described fastening is along being square frame shape, and described fastening, along above having the connecting hole run through, is had securing member in described connecting hole and fastens along being connected with plate body by securing member.
6. the maintenance mechanism of a kind of steam boiler upper end according to claim 5, is characterized in that, have inside described plate body recessed and with the Connection Block fastened along matching, above-mentioned fastening is positioned at Connection Block place along inner side and fastens and stretches out plate body along outside.
7. the maintenance mechanism of a kind of steam boiler upper end according to claim 6, is characterized in that, described Connection Block place has sealing gasket, and described sealing gasket is pressed on and fastens between edge and Connection Block.
8. the maintenance mechanism of a kind of steam boiler upper end according to claim 1, is characterized in that, described hermetically-sealed construction comprises and fastens the seal groove that is recessed into ringwise along outside, has sealing ring and sealing ring part is stretched out and fastened along outside in described seal groove.
9. the maintenance mechanism of a kind of steam boiler upper end according to claim 1, is characterized in that, described hermetically-sealed construction comprises the sealing ring being bonded in and fastening along outside.
10. the maintenance mechanism of a kind of steam boiler upper end according to claim 4, is characterized in that, the angle between described inclined-plane and faying surface is 30-60 to spend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520259765.7U CN204573984U (en) | 2015-04-27 | 2015-04-27 | A kind of maintenance mechanism of steam boiler upper end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520259765.7U CN204573984U (en) | 2015-04-27 | 2015-04-27 | A kind of maintenance mechanism of steam boiler upper end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204573984U true CN204573984U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520259765.7U Expired - Fee Related CN204573984U (en) | 2015-04-27 | 2015-04-27 | A kind of maintenance mechanism of steam boiler upper end |
Country Status (1)
| Country | Link |
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| CN (1) | CN204573984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983447A (en) * | 2021-10-25 | 2022-01-28 | 无锡锡能锅炉有限公司 | Integrated explosion-proof and overhauling device suitable for fuel oil and gas steam boiler |
-
2015
- 2015-04-27 CN CN201520259765.7U patent/CN204573984U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983447A (en) * | 2021-10-25 | 2022-01-28 | 无锡锡能锅炉有限公司 | Integrated explosion-proof and overhauling device suitable for fuel oil and gas steam boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20190427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |