CN212390341U - Boiler starts exhaust steam recovery unit - Google Patents
Boiler starts exhaust steam recovery unit Download PDFInfo
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- CN212390341U CN212390341U CN202020658654.4U CN202020658654U CN212390341U CN 212390341 U CN212390341 U CN 212390341U CN 202020658654 U CN202020658654 U CN 202020658654U CN 212390341 U CN212390341 U CN 212390341U
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- fixing
- connecting pipe
- ring
- collecting tank
- water collecting
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Abstract
The utility model relates to a boiler start-up exhaust steam recovery unit, including the boiler body, the exhaust pipe is installed to boiler body one end, the one end of exhaust pipe is connected with and stove isolating valve, the exhaust pipe lateral wall is connected with the connecting pipe, be provided with discharge valve on the connecting pipe, the one end that the exhaust pipe was kept away from to the connecting pipe can be dismantled through the mounting and be connected with the header tank, the mounting includes the solid fixed ring of being connected along circumference and the lateral wall of header tank opening part, the connecting pipe is connected with the fixed plate towards header tank one end, the steam inlet has been seted up on the fixed plate, the edge of the fixed plate towards one side of solid fixed ring articulates along the circumference interval has a plurality of L shape arms, the expansion end of L shape arm is hugged closely with one side that solid fixed ring. Before furnace combination, the furnace combination isolation valve is closed, the exhaust valve is opened, steam enters the connecting pipe, and after the steam enters the connecting pipe, the steam is gradually liquefied and then enters the water collecting tank, so that water can be recycled conveniently.
Description
Technical Field
The utility model belongs to the technical field of the technique of boiler and specifically relates to a boiler starts exhaust recovery unit.
Background
The utility boiler, which is a boiler used by a power plant for generating electricity in popular way, generally has large capacity, and when the power plant boiler is started at present, steam is discharged to the atmosphere, so that heat loss and waste are caused.
At present, the patent with publication number CN201715484U discloses a steam exhaust device of a boiler starting water delivery flash tank with a droplet collecting device, which comprises a steam exhaust pipe, wherein one end of the steam exhaust pipe is communicated with the starting water delivery flash tank, the other end of the steam exhaust pipe is a steam exhaust port, and the steam exhaust pipe close to the steam exhaust port is provided with the droplet collecting device. The steam exhaust device has less material consumption, and can obtain satisfactory liquid drop collection effect without increasing the overall diameter of the steam exhaust pipe. The liquid drop collecting device adopts a rotational flow plate, a louver or a baffle plate, not only can recover large-particle liquid drops in steam, but also can lead small liquid drops to be condensed into large liquid drops to be beneficial to collection, thereby avoiding the 'rain' phenomenon at a steam exhaust port and achieving the purposes of saving water, reducing consumption and protecting the environment.
The above prior art solutions have the following drawbacks: the droplet collecting device is not easily detachable from the exhaust pipe and thus has to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a boiler start-up exhaust recovery unit, header tank easy dismounting to the not enough of prior art existence.
The above object of the present invention is achieved by the following technical solutions:
a boiler starting steam exhaust recovery device comprises a boiler body, wherein a steam exhaust pipe is installed at one end of the boiler body, one end, far away from the boiler body, of the steam exhaust pipe is connected with a boiler isolating valve, the side wall of the steam exhaust pipe is connected with a connecting pipe, a vent valve is arranged on the connecting pipe, one end, far away from the steam exhaust pipe, of the connecting pipe is detachably connected with a water collecting tank through a fixing piece, one side, facing the connecting pipe, of the water collecting tank is open, the fixing piece comprises a fixing ring connected with the outer side wall of the opening of the water collecting tank along the circumferential direction, one end, facing the water collecting tank, of the connecting pipe is connected with a fixing plate tightly attached to the fixing ring, steam inlet holes for steam to pass through are formed in the fixing plate, a plurality of L-shaped arms are hinged to the edge, facing one side, the movable end of each L-shaped arm is connected with the fixing ring through a fixing bolt.
By adopting the technical scheme, before the furnace combination, the furnace combination isolation valve is closed, and then the exhaust valve is opened, so that steam which does not meet the standard enters the connecting pipe, and after the steam enters the connecting pipe, the steam is gradually liquefied and then enters the water collecting tank, thereby avoiding water vapor waste, facilitating water recycling, saving resources, and when the steam meets the standard, the exhaust valve is closed, the furnace combination isolation valve is opened, and the furnace combination is carried out; when the water level in the water collecting tank is too high, the lower end of the water collecting tank is supported, the fixing bolt is screwed out, and each L-shaped arm is rotated away from the lower end of the fixing ring, so that the fixing ring is separated from the fixing plate, the water collecting tank is detached from the connecting pipe, the water collecting tank is convenient to detach, and water is poured out from the water collecting tank for recycling.
The present invention may be further configured in a preferred embodiment as: and the fixing bolt is sleeved with a spring washer.
Through adopting above-mentioned technical scheme, after the fixing bolt is screwed, spring washer receives after the fixing bolt extrusion and produces deformation, and spring washer can push up tight fixing bolt simultaneously to make fixing bolt's the internal thread on the external screw thread top tight fixed ring, and then prevent that fixing bolt is not hard up.
The present invention may be further configured in a preferred embodiment as: one side of the fixing ring facing the fixing plate is connected with at least two guide posts at intervals along the circumferential direction, and at least two guide holes for the guide posts to be clamped in are formed in the fixing plate.
Through adopting above-mentioned technical scheme, when will gu fixed ring installs on the fixed plate, with every guide post alignment respectively corresponding guiding hole, go into the guide post card in succession in to make the relative position of solid fixed ring and fixed plate confirm, avoid producing the deviation between solid fixed ring and the fixed plate.
The present invention may be further configured in a preferred embodiment as: and a chamfer is arranged at one end, far away from the fixing ring, of the guide post.
Through adopting above-mentioned technical scheme, the chamfer can give a guide effect for the guide post to make things convenient for the guide post can block into the guiding hole fast, improve the installation effectiveness of header tank.
The present invention may be further configured in a preferred embodiment as: the one side of solid fixed ring orientation fixed plate has the support ring along circumference connection, the support groove that supplies support ring card to go into is seted up along circumference to one side of fixed plate orientation fixed ring, the one side that solid fixed ring was kept away from to the support ring has the sealed pad of making by rubber along circumference connection.
Through adopting above-mentioned technical scheme, install solid fixed ring on the fixed plate after, the support ring can block in the support groove, and sealed the pad on the support ring receives the extrusion of support ring and produces deformation to fill up the space between support ring and the support groove, and then improve the leakproofness between solid fixed ring and the fixed plate.
The present invention may be further configured in a preferred embodiment as: the outer side wall of the water collecting tank is provided with overflow holes.
Through adopting above-mentioned technical scheme, when the water level was too high in the header tank, the downthehole outflow of spillway can be followed to the water in the header tank to avoid the header tank water level too high, reduce the dismantlement degree of difficulty of header tank.
The present invention may be further configured in a preferred embodiment as: the outer side wall of the water collecting tank is connected with a limiting ring at the position of the overflow hole, the overflow hole is positioned in the limiting ring, and the limiting ring is in threaded connection with a sealing plug.
Through adopting above-mentioned technical scheme, after unscrewing the sealing plug, the water in the header tank flows through the spacing ring, treats that the water level in the header tank is less than after the overflow hole, with the sealing plug gyration spacing intra-annular, pull down the header tank from the connecting pipe again.
The present invention may be further configured in a preferred embodiment as: the outer side of the L-shaped arm is connected with a reinforcing strip along the length direction of the L-shaped arm.
Through adopting above-mentioned technical scheme, the reinforcing bar can increase the structural strength of L shape arm to prevent that L shape arm from producing deformation.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the redundant steam enters the water collecting tank after being liquefied through the connecting pipe, and when the water level of the water collecting tank is too high, the water collecting tank can be detached from the connecting pipe by screwing out the fixing bolt, so that time and labor are saved;
2. the guide posts are clamped into the guide holes, so that the relative positions of the fixing plate and the fixing ring can be quickly determined.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is an exploded view of a part of the structure of the present embodiment;
FIG. 3 is an enlarged schematic view of area A of FIG. 2;
fig. 4 is a schematic structural view of the fixing plate in the bottom view according to the present embodiment.
Reference numerals: 1. a boiler body; 2. a steam exhaust pipe; 3. a parallel furnace isolation valve; 4. a connecting pipe; 5. an exhaust valve; 6. a fixing member; 61. a fixing ring; 611. a support ring; 612. a gasket; 62. a fixing plate; 621. a steam inlet hole; 622. a guide hole; 623. a support groove; 63. an L-shaped arm; 631. a reinforcing strip; 64. fixing the bolt; 65. a spring washer; 66. a guide post; 661. chamfering; 7. a water collection tank; 71. an overflow hole; 8. a limiting ring; 9. and (4) sealing the plug.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a boiler start-up exhaust recovery unit, including boiler body 1, 1 one end fixedly connected with exhaust pipe 2 of boiler body, exhaust pipe 2 keeps away from the one end fixedly connected with of boiler body 1 and stove isolating valve 3, and the lateral wall of exhaust pipe 2 is the connecting pipe 4 of L shape along horizontal direction fixedly connected with, connecting pipe 4 and exhaust pipe 2 intercommunication. An exhaust valve 5 is fixedly connected to the connecting pipe 4, and a water collecting tank 7 in a cuboid shape is detachably connected to one end, far away from the exhaust pipe 2, of the connecting pipe 4 through a fixing piece 6. When the boiler starts, the parallel furnace isolation valve 3 is closed, and the exhaust valve 5 is opened, so that steam which does not meet the standard enters the connecting pipe 4, and after the steam enters the connecting pipe 4, the steam is gradually liquefied and then enters the water collecting tank 7, thereby avoiding water vapor waste, facilitating water recycling and saving resources.
Referring to fig. 2 and 3, the water collecting tank 7 is an opening towards one side of the connecting pipe 4, the fixing member 6 comprises a fixing ring 61 which is rectangular and fixedly connected with the outer side wall of the opening of the water collecting tank 7 along the circumferential direction, the fixing plate 62 which is rectangular and tightly attached to the fixing ring 61 and fixedly connected with one end of the water collecting tank 7 towards the connecting pipe 4, a steam inlet 621 for steam to pass through is arranged in the middle of the fixing plate 62, six L-shaped arms 63 are hinged to the edge of one side of the fixing ring 61 towards the fixing plate 62 along the circumferential direction at intervals, and the movable end of each L-shaped arm 63 is tightly attached to. The movable end of each L-shaped arm 63 is connected with the fixed ring 61 through a fixed bolt 64, and a spring washer 65 is sleeved on each fixed bolt 64. When the water collecting tank 7 is installed, the fixing ring 61 is closely attached to the fixing plate 62, the L-shaped arm 63 is rotated to the side of the fixing ring 61 away from the fixing plate 62, and the fixing bolt 64 is tightened, so that the L-shaped arm 63 is fixed to the fixing ring 61, and the fixing ring 61 and the fixing plate 62 are fixed together. The outer side wall of each L-shaped arm 63 is fixedly connected with a reinforcing strip 631 along the length direction thereof. The reinforcing strip 631 prevents the L-shaped arm 63 from being accidentally broken.
Referring to fig. 2 and 3, guide posts 66 are fixedly connected to both ends of one side of the fixing ring 61 facing the fixing ring 62, a chamfer 661 is provided at one end of each guide post 66 far away from the fixing ring 61, and a guide hole 622 (see fig. 4) for the guide posts 66 to be clamped into is provided at both ends of one side of the fixing ring 62 facing the fixing ring 61. When the fixing ring 61 is mounted on the fixing plate 62, each guide post 66 is aligned with the corresponding guide hole 622 (see fig. 4), and then the guide posts 66 are snapped into the guide holes 622 (see fig. 4), so that the relative positions of the fixing ring 61 and the fixing plate 62 are determined, and the deviation between the fixing ring 61 and the fixing plate 62 is avoided.
Referring to fig. 2 and 4, a support ring 611 is fixedly connected to one side of the fixing ring 61 facing the fixing ring 62 along the circumferential direction, a support groove 623 into which the support ring 611 is clamped is formed in one side of the fixing ring 62 facing the fixing ring 61 along the circumferential direction, and a gasket 612 made of rubber is fixedly connected to one side of the support ring 611 away from the fixing ring 61 along the circumferential direction. After the fixing ring 61 is mounted on the fixing plate 62, the support ring 611 is clamped in the support groove 623, and the gasket 612 on the support ring 611 is pressed by the support ring 611 to deform, so that the gap between the support ring 611 and the support groove 623 is filled, and the sealing performance between the fixing ring 61 and the fixing plate 62 is improved.
Referring to fig. 2, an overflow hole 71 is formed on an outer side wall of the water collecting tank 7. The outer side wall of the water collecting tank 7 is fixedly connected with a limiting ring 8 at the position of the overflow hole 71, the overflow hole 71 is positioned in the limiting ring 8, and a columnar sealing plug 9 is connected with the inner thread of the limiting ring 8. When the water level in the water collecting tank 7 is too high, after the sealing plug 9 is screwed out, the water in the water collecting tank 7 flows out through the limiting ring 8, after the water level in the water collecting tank 7 is lower than the overflow hole, the sealing plug 9 is screwed into the limiting ring 8, the water collecting tank 7 is detached from the connecting pipe 4, and the detaching difficulty of the water collecting tank 7 is reduced.
The implementation principle of the embodiment is as follows: before furnace combination, the furnace combination isolation valve 3 is closed, then the exhaust valve 5 is opened, so that steam which does not meet the standard enters the connecting pipe 4, and after the steam enters the connecting pipe 4, the steam is gradually liquefied and then enters the water collecting tank 7; when the steam meets the standard, closing the exhaust valve 5, opening the furnace combination isolating valve 3, and performing furnace combination;
when the water level in the water collecting tank 7 is too high, the lower end of the water collecting tank 7 is supported, the fixing bolt 64 is screwed out, and each L-shaped arm 63 is rotated away from the lower end of the fixing ring 61, so that the fixing ring 61 is separated from the fixing plate 62, the water collecting tank 7 is detached from the connecting pipe 4, the detachment is convenient, and finally, the water is poured out from the water collecting tank 7 so as to be reused.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a boiler start-up exhaust steam recovery unit, includes boiler body (1), exhaust pipe (2) are installed to boiler body (1) one end, the one end that boiler body (1) were kept away from in exhaust pipe (2) is connected with and stove isolating valve (3), its characterized in that: the steam exhaust pipe (2) side wall is connected with a connecting pipe (4), an exhaust valve (5) is arranged on the connecting pipe (4), one end of the connecting pipe (4) far away from the steam exhaust pipe (2) is detachably connected with a water collecting tank (7) through a fixing piece (6), one side of the water collecting tank (7) facing the connecting pipe (4) is an opening, the fixing piece (6) comprises a fixing ring (61) connected with the outer side wall of the opening of the water collecting tank (7) along the circumferential direction, one end of the connecting pipe (4) facing the water collecting tank (7) is connected with a fixing plate (62) tightly attached to the fixing ring (61), a steam inlet hole (621) for steam to pass through is formed in the fixing plate (62), a plurality of L-shaped arms (63) are hinged to the edge of one side of the fixing plate (62) facing the fixing ring (61) along the circumferential direction at intervals, the movable end of the L-shaped arms (, the movable end of each L-shaped arm (63) is connected with the fixing ring (61) through a fixing bolt (64).
2. The boiler startup exhaust steam recovery device according to claim 1, characterized in that: and a spring washer (65) is sleeved on the fixing bolt (64).
3. The boiler startup exhaust steam recovery device according to claim 1, characterized in that: one side of the fixing ring (61) facing the fixing plate (62) is connected with at least two guide posts (66) at intervals along the circumferential direction, and at least two guide holes (622) for the guide posts (66) to be respectively clamped in are formed in the fixing plate (62).
4. The boiler startup exhaust steam recovery device according to claim 3, characterized in that: and a chamfer (661) is arranged at one end of the guide column (66) far away from the fixing ring (61).
5. The boiler startup exhaust steam recovery device according to claim 4, characterized in that: the fixing ring (61) is connected with a support ring (611) towards one side of the fixing plate (62) along the circumferential direction, a support groove (623) for the support ring (611) to be clamped in is formed in one side of the fixing plate (62) towards the fixing ring (61) along the circumferential direction, and a sealing gasket (612) made of rubber is connected to one side of the support ring (611) far away from the fixing ring (61) along the circumferential direction.
6. The boiler startup exhaust steam recovery device according to claim 1, characterized in that: the outer side wall of the water collecting tank (7) is provided with overflow holes (71).
7. The boiler startup exhaust steam recovery device according to claim 6, characterized in that: the outer side wall of the water collecting tank (7) is connected with a limiting ring (8) at the position of the overflow hole (71), the overflow hole (71) is located in the limiting ring (8), and a sealing plug (9) is connected with the inner thread of the limiting ring (8).
8. The boiler startup exhaust steam recovery device according to claim 1, characterized in that: the outer side of the L-shaped arm (63) is connected with a reinforcing strip (631) along the length direction of the L-shaped arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020658654.4U CN212390341U (en) | 2020-04-26 | 2020-04-26 | Boiler starts exhaust steam recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020658654.4U CN212390341U (en) | 2020-04-26 | 2020-04-26 | Boiler starts exhaust steam recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212390341U true CN212390341U (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020658654.4U Active CN212390341U (en) | 2020-04-26 | 2020-04-26 | Boiler starts exhaust steam recovery unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212390341U (en) |
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2020
- 2020-04-26 CN CN202020658654.4U patent/CN212390341U/en active Active
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