CN105276596B - A kind of sealing device for boiler flue thieff hatch - Google Patents
A kind of sealing device for boiler flue thieff hatch Download PDFInfo
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- CN105276596B CN105276596B CN201410231136.3A CN201410231136A CN105276596B CN 105276596 B CN105276596 B CN 105276596B CN 201410231136 A CN201410231136 A CN 201410231136A CN 105276596 B CN105276596 B CN 105276596B
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- thieff hatch
- sealing cover
- boiler flue
- vertical rail
- groove
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Abstract
The present invention relates to boiler flue sampling technique field, disclose a kind of sealing device for boiler flue thieff hatch, the sealing cover being connected including thieff hatch pipe and with the thieff hatch pipe, the mouth of pipe outer wall of the thieff hatch pipe is equipped with multiple spaced apart protrusions, the inner wall of the sealing cover is equipped with multiple grooves adaptable with the protrusion, the groove is equipped with the first vertical rail from the lower port of the sealing cover along its inner wall, second vertical rail and inclined plane, the both ends of the inclined plane are connected smoothly with first vertical rail and the second vertical rail respectively, when the sealing cover is connected with the thieff hatch seal of tube, it is simultaneously final stuck on the second vertical rail of the groove that first vertical rail for projecting through turn clockwise along the groove is moved to the inclined plane.The present invention can be at normally-open boiler flue thieff hatch, to be smoothed out the sampling operation of flue dust, flue gas.
Description
Technical field
The present invention relates to boiler flue sampling technique field, more particularly to a kind of sealing for boiler flue thieff hatch
Device.
Background technology
In the performance of precipitator experiment of power plant, operating personnel need to carry out cigarette at the entrance flue of deduster equipment
Dirt, flue gas sampling, when sampling, needs the thieff hatch at the entrance flue by deduster equipment to open, in boiler load, dedusting
In the equipment tests such as device thieff hatch it is normally-open be experiment work key link.Existing thieff hatch and thieff hatch sealing cover
It is fixed most of using threaded connection or flanged joint come fixing seal, when being not turned on for a long time, thieff hatch sealing cover can be
Corrosion occurs under the action of high-temperature flue gas (dirt) and erosion and is difficult to open, it is time-consuming and laborious in opening process, not only need
Manpower, time and bolt looseness agent etc. are consumed, and cutting tool must be employed often and carry out destructive unlatching, the unlatching of thieff hatch
Difficulty adds the labor intensity of operating personnel, has put off test period and has been unfavorable for being smoothed out for experiment work.
The content of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is how the thieff hatch at normally-open boiler flue, to be smoothed out cigarette
The sampling operation of dirt, flue gas.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of sealing device for boiler flue thieff hatch, including
Thieff hatch pipe and the sealing cover being connected with the thieff hatch pipe, the circumference of the mouth of pipe outer wall of the thieff hatch pipe is equipped with more
A spaced apart protrusion, the inner wall of the sealing cover be equipped with it is multiple with the raised adaptable grooves, the groove from
The lower port of the sealing cover is equipped with the first vertical rail, the second vertical rail and inclined plane, the inclination rail along its inner wall
The both ends in road are connected smoothly with first vertical rail and the second vertical rail respectively, in the sealing cover and thieff hatch
It is described to project through turn clockwise and be moved to the inclined plane along the first vertical rail of the groove when seal of tube connects
It is and final stuck on the second vertical rail of the groove.
Wherein, the groove is set in N fonts.
Wherein, the top of the sealing cover, which is equipped with, opens auxiliary block, and the unlatching auxiliary block, which is equipped with, opens power-assisted hole.
Wherein, the power-assisted hole of opening is vertically arranged along the length direction of the unlatching auxiliary block.
Wherein, unlatching assister bar is further included, the unlatching assister bar is by being inserted into the unlatching power-assisted hole, for aiding in
Open sealing cover.
Wherein, the multiple protrusion is distributed on the circumference of the mouth of pipe outer wall of the thieff hatch pipe.
Wherein, the raised quantity is four, and correspondingly the quantity of the groove is also four.
Wherein, the inner top surface of the sealing cover is equipped with gasket.
(3) beneficial effect
Compared with prior art, the present invention has the following advantages：
A kind of sealing device for boiler flue thieff hatch provided by the invention, passes through the mouth of pipe in the thieff hatch pipe
Outer wall sets multiple spaced apart protrusions, and be equipped with the inner wall of the sealing cover it is multiple with it is described raised adaptable recessed
Groove, and the groove is arranged to it is vertical along inner wall the first vertical rail connected in sequence of sealing cover, inclined plane and second
Track, can be facilitated, be reliably achieved the opening and closing of thieff hatch by sealing cover described in turn, solve thieff hatch and be difficult to
The problem of opening, improve deduster, the medium flue dust of boiler load performance test, the work efficiency of flue gas sampling.
Brief description of the drawings
Fig. 1 is a kind of structural front view of sealing device for boiler flue thieff hatch of the invention；
Fig. 2 is a kind of structure left view of sealing device for boiler flue thieff hatch of the invention；
Fig. 3 is the combination schematic diagram of a kind of sealing device for boiler flue thieff hatch of the invention and thieff hatch pipe.
In figure：1：Sealing cover；2：Open auxiliary block；3：Groove；4：Open power-assisted hole；5：It is raised；6：Thieff hatch pipe；7：Open
Open assister bar；8：Gasket；9：The terminal rail of groove.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Following instance
For illustrating the present invention, but it is not limited to the scope of the present invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multigroup " be meant that two or
Two or more.
As depicted in figs. 1 and 2, it is a kind of sealing device for boiler flue thieff hatch provided by the invention, including adopts
Sample hole pipe 6 and the sealing cover 1 being connected with the thieff hatch pipe 6, the circumference of the mouth of pipe outer wall of the thieff hatch pipe 6 are equipped with
Multiple spaced apart raised 5, described raised 5 can be latching, and the inner wall of the sealing cover 1 is equipped with the multiple and protrusion
5 adaptable grooves 3, for example, the width of the groove 3 and depth will be engaged with raised 5 width and length, it is described
Groove 3 is equipped with the first vertical rail, the second vertical rail and inclined plane, institute from the lower port of the sealing cover 1 along its inner wall
State the one end of the both ends of inclined plane respectively with first vertical rail and the second vertical rail to be connected smoothly, with convenient
Described raised 5 can pass through the bending part of groove 3, described convex when the sealing cover 1 and thieff hatch pipe 6 are tightly connected
Play 5 and the inclined plane and final stuck described is moved to by the first vertical rail of turn clockwise along the groove 3
The end of second vertical rail of groove, so as to fulfill both sealed connections；The groove 3 is preferably set in N fonts, when need
When opening thieff hatch, the sealing cover 1 is lifted up, makes the bending of the described raised 5 N font tracks in the groove 3
Place, and rotate counterclockwise and be lifted up sealing cover 1 again and can open, it is possible thereby to unlatching that is convenient, being reliably achieved thieff hatch
And closing, solve the problems, such as that thieff hatch is difficult to open, improve deduster, the medium flue dust of boiler load performance test, flue gas
The work efficiency of sampling.
The top of the sealing cover 1, which is equipped with, opens auxiliary block 2, and the unlatching auxiliary block 2, which is equipped with, opens power-assisted hole 4, institute
State and open power-assisted hole 4 and be vertically arranged along the length direction of the unlatching auxiliary block 2, corrode when running into thieff hatch because of long-term do not have to
During blocking, as shown in figure 3, can be inserted into by assister bar 7 is opened in the unlatching power-assisted hole 4, from the unlatching assister bar 7
Both sides pull out the unlatching assister bar 7 and are used to aid in opening the sealing cover 1, realize that the convenient and efficient of flue thieff hatch opens
Open, to solve the problems, such as that thieff hatch is difficult to open.
Optimization and the convenience that uses for structure, it is preferable that the multiple raised 5 are distributed on the thieff hatch pipe 6
On the circumference of mouth of pipe outer wall.For the ease of arrangement, raised 5 quantity is preferably four, correspondingly the quantity of the groove 3
Also it is four.
The inner top surface of the sealing cover 1 is equipped with gasket 8, is used for realization the close of the sealing cover 1 and thieff hatch pipe 6
Envelope, to have prevented flue dust or flue gas from leaking.
Present invention operating procedure in actual use is：The opening of N font grooves 3 is first directed at the thieff hatch pipe 6
Upper corresponding protrusion 5, it is downward to compress first bending part so that described raised 5 are moved to the groove 3, and clockwise
Sealing cover 1 described in turn so that described raised 5 are moved to second bending part simultaneously along the inclined plane of the N fonts of the groove 3
Continue to be rotated up the described raised 5 stuck terminal rails 9 in N font grooves, to realize both sealed connections, the present invention
In, provide first bending part and the second bending part to rotate clockwise the bending part of the N fonts passed through successively；When needs are torn open
When opening sealing cover 1, first it is lifted up so that described raised 5 slide into second bending part of the groove 3, and rotate counterclockwise
The sealing cover 1 so that described raised 5 are moved upwards up to first bending part along the inclined plane of the groove 3 and carry upwards
Rise so that described raised 5 openings for slipping away the groove 3 along the vertical rail of the groove 3, the final separation for realizing both；Such as
Sampling hole plug is run into, can be inserted into by unlatching assister bar 7 in the unlatching power-assisted hole 4 and help to reinforce unlatching.
The present invention dexterously devises the shape of groove 3 so that sealing cover 1 and thieff hatch can easily realize unlatching and
Close, solve the problems, such as that thieff hatch is difficult to open.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of sealing device for boiler flue thieff hatch, including thieff hatch pipe and it is connected with the thieff hatch pipe
Sealing cover, it is characterised in that the mouth of pipe outer wall of the thieff hatch pipe is equipped with multiple spaced apart protrusions, the sealing cover
Inner wall is equipped with multiple grooves adaptable with the protrusion, and the groove is equipped with from the lower port of the sealing cover along its inner wall
First vertical rail, the second vertical rail and inclined plane, the both ends of the inclined plane respectively with first vertical rail
It is connected smoothly with the second vertical rail, it is described to project through up time when the sealing cover is connected with the thieff hatch seal of tube
First vertical rail of pin turn along the groove is moved to the inclined plane and final stuck in the second perpendicular of the groove
On straight rail.
2. it is used for the sealing device of boiler flue thieff hatch as claimed in claim 1, it is characterised in that the groove is in N words
Shape is set.
3. it is used for the sealing device of boiler flue thieff hatch as claimed in claim 1, it is characterised in that the top of the sealing cover
Portion, which is equipped with, opens auxiliary block, and the unlatching auxiliary block, which is equipped with, opens power-assisted hole.
4. it is used for the sealing device of boiler flue thieff hatch as claimed in claim 3, it is characterised in that the unlatching power-assisted hole
It is vertically arranged along the length direction of the unlatching auxiliary block.
5. it is used for the sealing device of boiler flue thieff hatch as claimed in claim 4, it is characterised in that further include unlatching power-assisted
Bar, the unlatching assister bar is by being inserted into the unlatching power-assisted hole, for aiding in opening the sealing cover.
6. it is used for the sealing device of boiler flue thieff hatch as claimed in claim 1, it is characterised in that the multiple raised equal
Cloth is on the circumference of the mouth of pipe outer wall of the thieff hatch pipe.
7. it is used for the sealing device of boiler flue thieff hatch as claimed in claim 6, it is characterised in that the raised quantity
For four, correspondingly the quantity of the groove is also four.
8. as claimed in claim 1 be used for boiler flue thieff hatch sealing device, it is characterised in that the sealing cover it is interior
Top surface is equipped with gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410231136.3A CN105276596B (en) | 2014-05-28 | 2014-05-28 | A kind of sealing device for boiler flue thieff hatch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410231136.3A CN105276596B (en) | 2014-05-28 | 2014-05-28 | A kind of sealing device for boiler flue thieff hatch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105276596A CN105276596A (en) | 2016-01-27 |
| CN105276596B true CN105276596B (en) | 2018-05-08 |
Family
ID=55146081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410231136.3A Active CN105276596B (en) | 2014-05-28 | 2014-05-28 | A kind of sealing device for boiler flue thieff hatch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105276596B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19709070A1 (en) * | 1997-03-06 | 1998-09-10 | Bruno Lampka | Method for sealing connection hole in cylindrical chimney pipe |
| CN201568981U (en) * | 2010-01-10 | 2010-09-01 | 胡绍翔 | Joint of smoke exhaust pipe |
| EP2581637A2 (en) * | 2011-10-10 | 2013-04-17 | Dieter Bächle | Closure cap for closing an inspection opening on a plastic waste gas pipe, exhaust pipe and system with a closure cap |
| CN203223923U (en) * | 2013-04-09 | 2013-10-02 | 国家电网公司 | Snap fastener type seal cover for flue sampling hole |
| CN203224374U (en) * | 2013-04-09 | 2013-10-02 | 国家电网公司 | Seal cover of boiler flue sampling hole |
| CN203497480U (en) * | 2013-09-14 | 2014-03-26 | 沧州中渤重工机械装备有限公司 | Novel anti-theft metering hole |
| CN204006054U (en) * | 2014-05-28 | 2014-12-10 | 国网山西省电力公司电力科学研究院 | A kind of sealing device for boiler flue thieff hatch |
-
2014
- 2014-05-28 CN CN201410231136.3A patent/CN105276596B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19709070A1 (en) * | 1997-03-06 | 1998-09-10 | Bruno Lampka | Method for sealing connection hole in cylindrical chimney pipe |
| CN201568981U (en) * | 2010-01-10 | 2010-09-01 | 胡绍翔 | Joint of smoke exhaust pipe |
| EP2581637A2 (en) * | 2011-10-10 | 2013-04-17 | Dieter Bächle | Closure cap for closing an inspection opening on a plastic waste gas pipe, exhaust pipe and system with a closure cap |
| CN203223923U (en) * | 2013-04-09 | 2013-10-02 | 国家电网公司 | Snap fastener type seal cover for flue sampling hole |
| CN203224374U (en) * | 2013-04-09 | 2013-10-02 | 国家电网公司 | Seal cover of boiler flue sampling hole |
| CN203497480U (en) * | 2013-09-14 | 2014-03-26 | 沧州中渤重工机械装备有限公司 | Novel anti-theft metering hole |
| CN204006054U (en) * | 2014-05-28 | 2014-12-10 | 国网山西省电力公司电力科学研究院 | A kind of sealing device for boiler flue thieff hatch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105276596A (en) | 2016-01-27 |
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