CN210462970U - Sealing structure of industrial boiler - Google Patents
Sealing structure of industrial boiler Download PDFInfo
- Publication number
- CN210462970U CN210462970U CN201920852648.XU CN201920852648U CN210462970U CN 210462970 U CN210462970 U CN 210462970U CN 201920852648 U CN201920852648 U CN 201920852648U CN 210462970 U CN210462970 U CN 210462970U
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- sealing
- seal
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- furnace cover
- stepped
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Abstract
The utility model discloses a seal structure of industrial boiler, including the brickwork, the positive fixed mounting of brickwork has annular sealing member, rotate on the annular sealing member and install horizontal double-seal furnace door closure, the inner wall of brickwork is opened and is equipped with first step seal and second step seal respectively, double-seal furnace door closure includes horizontal bell, the left side of horizontal bell is rotated through the left side of round pin axle with annular sealing member and is connected, the right side of horizontal bell is rotated through the round pin axle and is connected with sealed the knot, sealed the knot is connected through the right side detachable of stop pin with annular sealing member, the lower fixed surface of horizontal bell is connected with sealed go-between. The utility model discloses an above-mentioned isotructure's cooperation has realized convenience safe in utilization, and has the effect that double seal effectively improved boiler leakproofness.
Description
Technical Field
The utility model relates to an industrial boiler technical field specifically is a seal structure of industrial boiler.
Background
The industrial boiler products are divided into two types, namely steam for power generation or gas supply, for example, a fertilizer plant can use steam for vaporization, coal is used as a raw material to synthesize fertilizers, the typical industrial boiler is also mostly made of coal, and a fuel gas is generally used as a waste heat boiler for recovering waste heat. Industrial boilers it is common to see that circulating fluidized bed boilers industrial boilers are important thermal power plants. When the industrial boiler is used, the requirement on the sealing performance is very high, for example, the fuel oil gas boiler smoke box disclosed in the Chinese patent CN207049965U is poor in sealing effect, inconvenient to open and close the furnace cover, inconvenient to release the air pressure in the boiler when the boiler is opened, easy to cause safety accidents and inconvenient to use. In summary, how to improve the existing industrial boiler to solve the problems of poor sealing performance and insufficient safety and convenience in use of the traditional boiler sealing structure is a problem to be solved urgently by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a seal structure of industrial boiler possesses safe in utilization convenience, and has the advantage that double seal effectively improves the boiler leakproofness, and it is poor to have solved the sealed effect of seal structure of traditional boiler, uses safe convenient problem inadequately.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a seal structure of industrial boiler, includes the brickwork, the front fixed mounting of brickwork has annular seal spare, rotate on the annular seal spare and install horizontal double seal furnace door closure, the inner wall of brickwork is opened and is equipped with first step seal mouth and second step seal mouth respectively.
The dual-seal furnace door cover comprises a horizontal furnace cover, the left side of the horizontal furnace cover is connected with the left side of an annular sealing element in a rotating mode through a pin shaft, the right side of the horizontal furnace cover is connected with a sealing buckle in a rotating mode through the pin shaft, the sealing buckle is connected with the right side of the annular sealing element in a detachable mode through a locking pin, the lower surface of the horizontal furnace cover is fixedly connected with a sealing connection ring, a sliding groove is formed in the lower surface of the horizontal furnace cover, a stepped sealing plug is connected to the sliding groove in a sliding mode, the top of the stepped sealing plug is connected with a screw rod in a rotating mode through a bearing, the screw rod penetrates out of the horizontal furnace cover and is connected with a thread connection and a fixed connection to.
Preferably, a first sealing ring is fixedly mounted on the lower surface of the horizontal furnace cover.
Preferably, the seal connecting ring is matched with the first stepped seal port, and a second seal ring is fixedly mounted on the lower surface of the seal connecting ring.
Preferably, the cross section of the stepped sealing plug is of a stepped structure which gradually shrinks from top to bottom, and the stepped sealing plug is matched with the second stepped sealing port.
Preferably, a sealing rubber layer is fixedly connected to the surface of the stepped sealing plug.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses set up first sealing washer and second sealing washer respectively at the lower surface of horizontal bell and sealed go-between, can be through the sealing connection between horizontal bell, furnace wall and the annular seal spare, and form effectual first sealed defensive line together between sealed go-between and the first step seal port, effectively improve the leakproofness of horizontal bell.
Two, the utility model discloses a fill in the second ladder sealing plug with the ladder sealing plug in, utilize the sealed effect that is echelonment structure and sealing rubber layer of the intermeshing that from top to bottom shrinks gradually, effectively form the second and say sealed defensive line, further improve the leakproofness of horizontal bell.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top sectional view of the present invention;
fig. 3 is a side sectional view of the present invention.
In the figure: the furnace comprises a furnace wall 1, a ring-shaped sealing element 2, a horizontal double-sealing furnace door cover 3, a first step sealing port 4, a second step sealing port 5, a horizontal furnace cover 6, a sealing buckle 7, a sealing connecting ring 8, a sliding chute 9, a step sealing plug 10, a screw rod 11, a moving wheel 12, a pressure relief pipe 13, a pressure relief valve 14, a first sealing ring 15, a second sealing ring 16 and a sealing rubber layer 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a seal structure of industrial boiler, includes brickwork 1, and the front fixed mounting of brickwork 1 has annular seal member 2, rotates on the annular seal member 2 and installs horizontal double seal stove door closure 3, and the inner wall of brickwork 1 is opened and is equipped with first step seal mouth 4 and second step seal mouth 5 respectively.
The double-seal furnace door cover 3 comprises a horizontal furnace cover 6, the left side of the horizontal furnace cover 6 is rotatably connected with the left side of the annular sealing part 2 through a pin shaft, the right side of the horizontal furnace cover 6 is rotatably connected with a seal button 7 through a pin shaft, the seal button 7 is detachably connected with the right side of the annular sealing part 2 through a locking pin, a first seal ring 15 is fixedly arranged on the lower surface of the horizontal furnace cover 6, a seal connecting ring 8 is fixedly connected with the lower surface of the horizontal furnace cover 6, the seal connecting ring 8 is matched with the first step seal opening 4, a second seal ring 16 is fixedly arranged on the lower surface of the seal connecting ring 8, the first seal ring 15 and the second seal ring 16 are respectively arranged on the lower surfaces of the horizontal furnace cover 6 and the seal connecting ring 8, and an effective first seal defense line can be formed between the seal connecting ring 8 and the first step seal opening 4 through, the sealing performance of the horizontal furnace cover 6 is effectively improved, a sliding groove 9 is formed in the lower surface of the horizontal furnace cover 6, a step sealing plug 10 is connected in the groove of the sliding groove 9 in a sliding mode, the section of the step sealing plug 10 is of a step-shaped structure which gradually shrinks from top to bottom, the step sealing plug 10 is matched with a second step sealing port 5, a layer of sealing rubber layer 17 is fixedly connected to the surface of the step sealing plug 10, the step sealing plug 10 is plugged into the second step sealing port 5, a second sealing defense line is effectively formed by utilizing the sealing effect of the step-shaped structure and the sealing rubber layer 17 which gradually shrink from top to bottom and are mutually meshed, a screw rod 11 is rotatably connected to the top of the step sealing plug 6 through a bearing, the screw rod 11 penetrates through the horizontal furnace cover 6 and is in threaded connection with the horizontal furnace cover 6 and is fixedly connected with a moving wheel 12, and a pressure relief, a pressure relief valve 14 is fixedly mounted on the front surface of the pressure relief pipe 13.
The working principle is as follows: when the sealing structure of the industrial boiler is used, when the horizontal boiler needs to be sealed, a furnace opening is covered by rotating the horizontal furnace cover 6, the sealing buckle 7 is used for connecting and fixing the sealing structure with the annular sealing element 2 by using the locking pin to form a first sealing defense line, then the moving wheel 12 is rotated to drive the screw rod 11 fixedly connected with the screw rod 11 to rotate, the screw rod 11 rotates under the effect of threaded connection with the horizontal furnace cover 6, the stepped sealing plug 10 rotationally connected with the screw rod slides downwards along the sliding groove 9, the second stepped sealing opening 5 is plugged to form a second sealing defense line, when the horizontal furnace cover 6 needs to be opened, the moving wheel 12 is rotated reversely, the pressure release valve 14 is opened to discharge gas in the boiler to a safe pressure, then the horizontal furnace cover 6 is opened, the use is safe and convenient, and the effect of effectively improving the sealing performance of the boiler due to double sealing is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a seal structure of industrial boiler, includes brickwork (1), its characterized in that: the front surface of the furnace wall (1) is fixedly provided with an annular sealing element (2), the annular sealing element (2) is rotatably provided with a horizontal double-sealing furnace door cover (3), and the inner wall of the furnace wall (1) is respectively provided with a first step sealing opening (4) and a second step sealing opening (5);
the double-seal furnace door cover (3) comprises a horizontal furnace cover (6), the left side of the horizontal furnace cover (6) is rotatably connected with the left side of the annular sealing element (2) through a pin shaft, the right side of the horizontal furnace cover (6) is rotatably connected with a sealing buckle (7) through a pin shaft, the sealing buckle (7) is detachably connected with the right side of the annular sealing element (2) through a locking pin, the lower surface of the horizontal furnace cover (6) is fixedly connected with a sealing connecting ring (8), the lower surface of the horizontal furnace cover (6) is provided with a sliding groove (9), the sliding groove of the sliding groove (9) is internally and slidably connected with a stepped sealing plug (10), the top of the stepped sealing plug (10) is rotatably connected with a screw rod (11) through a bearing, the screw rod (11) penetrates out of the horizontal furnace cover (6) and is in threaded connection with the horizontal furnace cover and fixedly connected with a moving wheel, and a pressure release valve (14) is fixedly arranged on the front surface of the pressure release pipe (13).
2. A sealing structure of an industrial boiler, according to claim 1, wherein: and a first sealing ring (15) is fixedly arranged on the lower surface of the horizontal furnace cover (6).
3. A sealing structure of an industrial boiler, according to claim 1, wherein: the sealing connecting ring (8) is matched with the first stepped sealing port (4), and a second sealing ring (16) is fixedly mounted on the lower surface of the sealing connecting ring (8).
4. A sealing structure of an industrial boiler, according to claim 1, wherein: the cross section of the stepped sealing plug (10) is of a stepped structure which gradually shrinks from top to bottom, and the stepped sealing plug (10) is matched with the second stepped sealing port (5).
5. A sealing structure of an industrial boiler, according to claim 1, wherein: the surface of the step sealing plug (10) is fixedly connected with a sealing rubber layer (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920852648.XU CN210462970U (en) | 2019-06-06 | 2019-06-06 | Sealing structure of industrial boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920852648.XU CN210462970U (en) | 2019-06-06 | 2019-06-06 | Sealing structure of industrial boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210462970U true CN210462970U (en) | 2020-05-05 |
Family
ID=70440595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920852648.XU Expired - Fee Related CN210462970U (en) | 2019-06-06 | 2019-06-06 | Sealing structure of industrial boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210462970U (en) |
-
2019
- 2019-06-06 CN CN201920852648.XU patent/CN210462970U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 |