CN204006054U - A kind of sealing device for boiler flue thieff hatch - Google Patents
A kind of sealing device for boiler flue thieff hatch Download PDFInfo
- Publication number
- CN204006054U CN204006054U CN201420279210.4U CN201420279210U CN204006054U CN 204006054 U CN204006054 U CN 204006054U CN 201420279210 U CN201420279210 U CN 201420279210U CN 204006054 U CN204006054 U CN 204006054U
- Authority
- CN
- China
- Prior art keywords
- thieff hatch
- seal cover
- vertical rail
- boiler flue
- sealing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Gasket Seals (AREA)
- Pipe Accessories (AREA)
Abstract
The utility model relates to boiler flue Sampling techniques field, a kind of sealing device for boiler flue thieff hatch is disclosed, the seal cover that comprises thieff hatch pipe and be connected with described thieff hatch pipe, the mouth of pipe outer wall of described thieff hatch pipe is provided with multiple spaced apart projections, the inwall of described seal cover is provided with the groove that multiple and described projection adapts, described groove is provided with the first vertical rail from the lower port of described seal cover along its inwall, the second vertical rail and inclined plane, the two ends of described inclined plane are connected smoothly with described the first vertical rail and the second vertical rail respectively, in the time that described seal cover is connected with the thieff hatch seal of tube, described projection moves to described inclined plane final stuck on the second vertical rail of described groove by clockwise turn along the first vertical rail of described groove.The utility model can normally be opened the thieff hatch at boiler flue place, to carry out smoothly the sampling work of flue dust, flue gas.
Description
Technical field
The utility model relates to boiler flue Sampling techniques field, particularly relates to a kind of sealing device for boiler flue thieff hatch.
Background technology
In the performance of precipitator test of power plant, operating personnel need to carry out flue dust, flue gas sampling at flue place, the gateway of deduster equipment, when sampling, the thieff hatch at the flue place, gateway of deduster equipment need to be opened, in the equipment test such as boiler load, deduster, the normal unlatching of thieff hatch is the key link of experiment work.Existing thieff hatch and thieff hatch seal cover fixing most of adopts and is threaded or flange is connected and fixes sealing, in the time not opening for a long time, thieff hatch seal cover can the effect of high-temperature flue gas (dirt) and erosion issue get rusty erosion and be difficult to open, in opening process, waste time and energy, not only need to consume manpower, time and bolt looseness agent etc., and often must employ cutting tool and carry out destructiveness unlatching, the unlatching difficulty of thieff hatch has increased operating personnel's labour intensity, has put off test period and has been unfavorable for carrying out smoothly of experiment work.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is how normally to open the thieff hatch at boiler flue place, to carry out smoothly the sampling work of flue dust, flue gas.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of sealing device for boiler flue thieff hatch, the seal cover that comprises thieff hatch pipe and be connected with described thieff hatch pipe, the circumference of the mouth of pipe outer wall of described thieff hatch pipe is provided with multiple spaced apart projections, the inwall of described seal cover is provided with the groove that multiple and described projection adapts, described groove is provided with the first vertical rail from the lower port of described seal cover along its inwall, the second vertical rail and inclined plane, the two ends of described inclined plane are connected smoothly with described the first vertical rail and the second vertical rail respectively, in the time that described seal cover is connected with the thieff hatch seal of tube, described projection moves to described inclined plane final stuck on the second vertical rail of described groove by clockwise turn along the first vertical rail of described groove.
Wherein, described groove is the setting of N font.
Wherein, the top of described seal cover is provided with unlatching auxiliary block, and described unlatching auxiliary block is provided with opens power-assisted hole.
Wherein, described unlatching power-assisted hole vertically arranges along the length direction of described unlatching auxiliary block.
Wherein, also comprise unlatching assister bar, described unlatching assister bar is by inserting in described unlatching power-assisted hole, for auxiliary opening encapsulation lid.
Wherein, described multiple projection is distributed on the circumference of mouth of pipe outer wall of described thieff hatch pipe.
Wherein, the quantity of described projection is four, and correspondingly the quantity of described groove is also four.
Wherein, the inner top surface of described seal cover is provided with sealing gasket.
(3) beneficial effect
Compared with prior art, the utlity model has following advantage:
A kind of sealing device for boiler flue thieff hatch that the utility model provides, by the mouth of pipe outer wall at described thieff hatch pipe, multiple spaced apart projections are set, and on the inwall of described seal cover, be provided with the groove that multiple and described projection adapts, and the first vertical rail that described groove is arranged to connect in turn along the inwall of seal cover, inclined plane and the second vertical rail, can facilitate by seal cover described in turn, realize reliably the opening and closing of thieff hatch, solve the problem that thieff hatch is difficult to open, improve deduster, the medium flue dust of boiler load performance test, the operating efficiency of flue gas sampling.
Brief description of the drawings
Fig. 1 is the structural front view of a kind of sealing device for boiler flue thieff hatch of the utility model;
Fig. 2 is the structure left view of a kind of sealing device for boiler flue thieff hatch of the utility model;
Fig. 3 is the combination schematic diagram of a kind of sealing device for boiler flue thieff hatch of the utility model and thieff hatch pipe.
In figure: 1: seal cover; 2: open auxiliary block; 3: groove; 4: open power-assisted hole; 5: projection; 6: thieff hatch pipe; 7: open assister bar; 8: sealing gasket; 9: the terminal rail of groove.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following instance is used for illustrating the utility model, but is not used for limiting scope of the present utility model.
In description of the present utility model, it should be noted that, term " " center ", " longitudinally ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of instructions such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
In addition,, in description of the present utility model, except as otherwise noted, the implication of " multiple ", " many ", " many groups " is two or more.
As depicted in figs. 1 and 2, a kind of sealing device for boiler flue thieff hatch providing for the utility model, the seal cover 1 that comprises thieff hatch pipe 6 and be connected with described thieff hatch pipe 6, the circumference of the mouth of pipe outer wall of described thieff hatch pipe 6 is provided with multiple spaced apart protruding 5, described protruding 5 can be latching, the inwall of described seal cover 1 is provided with multiple and described protruding 5 grooves that adapt 3, for example, the width of described groove 3 and the degree of depth will match with described protruding 5 width and length, described groove 3 is provided with the first vertical rail from the lower port of described seal cover 1 along its inwall, the second vertical rail and inclined plane, the two ends of described inclined plane are connected smoothly with one end of described the first vertical rail and the second vertical rail respectively, to facilitate described protruding 5 can pass through smoothly the bending part of groove 3, in the time that described seal cover 1 is tightly connected with thieff hatch pipe 6, described protruding 5 move to the end of described inclined plane final stuck the second vertical rail at described groove along the first vertical rail of described groove 3 by clockwise turn, thereby realize both being tightly connected, described groove 3 is preferably the setting of N font, in the time that needs are opened thieff hatch, upwards mention described seal cover 1, make described protruding 5 bending parts in the N of described groove 3 font track, and be rotated counterclockwise and upwards mention again seal cover 1 and can open, can facilitate thus, realize reliably the opening and closing of thieff hatch, solved the problem that thieff hatch is difficult to open, improve the operating efficiency of deduster, the medium flue dust of boiler load performance test, flue gas sampling.
The top of described seal cover 1 is provided with opens auxiliary block 2, described unlatching auxiliary block 2 is provided with opens power-assisted hole 4, described unlatching power-assisted hole 4 vertically arranges along the length direction of described unlatching auxiliary block 2, when run into thieff hatch because of need not corrode for a long time stop up time, as shown in Figure 3, can insert in described unlatching power-assisted hole 4 by opening assister bar 7, pull out described unlatching assister bar 7 from the both sides of described unlatching assister bar 7 for the described seal cover 1 of auxiliary unlatching, realize the convenient and swift unlatching of flue thieff hatch, the problem that is difficult to open to solve thieff hatch.
For the convenience of optimization and the use of structure, preferably, described multiple protruding 5 are distributed on the circumference of mouth of pipe outer wall of described thieff hatch pipe 6.For the ease of arranging, described protruding 5 quantity is preferably four, and correspondingly the quantity of described groove 3 is also four.
The inner top surface of described seal cover 1 is provided with sealing gasket 8, for realizing the sealing of described seal cover 1 and thieff hatch pipe 6, to have prevented that flue dust or flue gas from leaking.
The operating procedure of the utility model in the time that reality is used is: first the opening of N font groove 3 is aimed to corresponding projection 5 on described thieff hatch pipe 6, compress downwards and make described protruding 5 first bending parts that move to described groove 3, and seal cover 1 described in clockwise direction turn, make the inclined plane of the described protruding 5 N fonts along described groove 3 move to second bending part and continue rotation until the described protruding 5 stuck terminal rails 9 at N font groove, to realize both being tightly connected, in the utility model, to turn clockwise, the bending part of the N font of process successively specifies described first fold crook and the second bending part, in the time that needs are taken seal cover 1 apart, first upwards mention and make described protruding 5 second bending part that slides into described groove 3, and be rotated counterclockwise described seal cover 1, make described protruding 5 to be moved upwards up to first bending part upwards mentioning along the inclined plane of described groove 3 and to make described protruding 5 along the slip away opening of described groove 3 of the vertical rail of described groove 3, finally realize both separation, as run into thieff hatch obstruction, can insert the afterburning unlatching of help in described unlatching power-assisted hole 4 by opening assister bar 7.
The utility model has designed the shape of groove 3 dexterously, makes seal cover 1 and thieff hatch can realize like a cork opening and closing, solves the problem that thieff hatch is difficult to open.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. the sealing device for boiler flue thieff hatch, the seal cover that comprises thieff hatch pipe and be connected with described thieff hatch pipe, it is characterized in that, the mouth of pipe outer wall of described thieff hatch pipe is provided with multiple spaced apart projections, the inwall of described seal cover is provided with the groove that multiple and described projection adapts, described groove is provided with the first vertical rail from the lower port of described seal cover along its inwall, the second vertical rail and inclined plane, the two ends of described inclined plane are connected smoothly with described the first vertical rail and the second vertical rail respectively, in the time that described seal cover is connected with the thieff hatch seal of tube, described projection moves to described inclined plane final stuck on the second vertical rail of described groove by clockwise turn along the first vertical rail of described groove.
2. the sealing device for boiler flue thieff hatch as claimed in claim 1, is characterized in that, described groove is the setting of N font.
3. the sealing device for boiler flue thieff hatch as claimed in claim 1, is characterized in that, the top of described seal cover is provided with unlatching auxiliary block, and described unlatching auxiliary block is provided with opens power-assisted hole.
4. the sealing device for boiler flue thieff hatch as claimed in claim 3, is characterized in that, described unlatching power-assisted hole vertically arranges along the length direction of described unlatching auxiliary block.
5. the sealing device for boiler flue thieff hatch as claimed in claim 4, is characterized in that, also comprises unlatching assister bar, and described unlatching assister bar is by inserting in described unlatching power-assisted hole, for the described seal cover of auxiliary unlatching.
6. the sealing device for boiler flue thieff hatch as claimed in claim 1, is characterized in that, described multiple projections are distributed on the circumference of mouth of pipe outer wall of described thieff hatch pipe.
7. the sealing device for boiler flue thieff hatch as claimed in claim 6, is characterized in that, the quantity of described projection is four, and correspondingly the quantity of described groove is also four.
8. the sealing device for boiler flue thieff hatch as claimed in claim 1, is characterized in that, the inner top surface of described seal cover is provided with sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420279210.4U CN204006054U (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 |
|---|---|---|---|
| CN201420279210.4U CN204006054U (en) | 2014-05-28 | 2014-05-28 | A kind of sealing device for boiler flue thieff hatch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204006054U true CN204006054U (en) | 2014-12-10 |
Family
ID=52046051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420279210.4U Withdrawn - After Issue CN204006054U (en) | 2014-05-28 | 2014-05-28 | A kind of sealing device for boiler flue thieff hatch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204006054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276596A (en) * | 2014-05-28 | 2016-01-27 | 国网山西省电力公司电力科学研究院 | Sealing device for sampling hole of boiler flue |
-
2014
- 2014-05-28 CN CN201420279210.4U patent/CN204006054U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276596A (en) * | 2014-05-28 | 2016-01-27 | 国网山西省电力公司电力科学研究院 | Sealing device for sampling hole of boiler flue |
| CN105276596B (en) * | 2014-05-28 | 2018-05-08 | 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2012004366A3 (en) | Closure for a drill hole | |
| CN204006054U (en) | A kind of sealing device for boiler flue thieff hatch | |
| CN109570159A (en) | A kind of novel crude oil pipe coagulated pipe plug removal device | |
| CN205173849U (en) | A plugging device for pipeline | |
| CN107654683A (en) | Vacuum tank closure | |
| CN205189008U (en) | Portable access cover | |
| CN210829157U (en) | Wellhead cable sealing device for oil pipe electric heating paraffin removal process | |
| CN201463578U (en) | Oven door structure with observation window of microwave tube type oven | |
| CN203977522U (en) | A kind of sewer dredging device | |
| CN206952918U (en) | A kind of valve gear roller box hood-opening device | |
| CN105276596B (en) | A kind of sealing device for boiler flue thieff hatch | |
| CN201776479U (en) | Hole driller with pressure | |
| CN209688309U (en) | A kind of novel sewage pipe | |
| CN203837958U (en) | Flue sampling hole sealing cover | |
| CN103628919B (en) | A kind of large-scale slide rail type vertical blocking device | |
| CN204078576U (en) | Multi-functional environment-protection sewage disposer | |
| CN203612436U (en) | Man-hand hole device for vessels | |
| CN203586242U (en) | Door hinge connecting structure for smoke box of boiler | |
| CN205805490U (en) | Water under high pressure blowout hookup | |
| CN202991025U (en) | Electromechanical integral subsurface sampler | |
| CN203865325U (en) | Quick-open type manhole door | |
| CN206053895U (en) | A kind of well mouth sealing device | |
| CN203961972U (en) | A kind of pipeline of oil production anti-theft sampling device | |
| CN205141684U (en) | Intelligence reactive compensation capacitor box | |
| CN204281006U (en) | Locking construction elevator door gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20180508 |
|
| AV01 | Patent right actively abandoned |