CN217057582U - Boiler smoke discharging anticorrosion auxiliary device - Google Patents

Boiler smoke discharging anticorrosion auxiliary device Download PDF

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Publication number
CN217057582U
CN217057582U CN202122255504.6U CN202122255504U CN217057582U CN 217057582 U CN217057582 U CN 217057582U CN 202122255504 U CN202122255504 U CN 202122255504U CN 217057582 U CN217057582 U CN 217057582U
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flue
pipe
flow guide
boiler
liquid
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CN202122255504.6U
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刘淑芹
赵鹏
黄鲁星
刘鹏
冯静
章玺
王刚
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China Petroleum and Chemical Corp
Sinopec Shengli Oilfield Co Oil and Gas Gathering and Transportation
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China Petroleum and Chemical Corp
Sinopec Shengli Oilfield Co Oil and Gas Gathering and Transportation
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Abstract

The utility model discloses a boiler is discharged fume anticorrosive auxiliary device, including the flue, still include the collection liquid subassembly, the lower port at the flue is connected to the collection liquid subassembly. The liquid collection assembly comprises a liquid collection bottom piece and a flow guide pipe; the liquid collecting bottom piece is internally provided with a tapered liquid collecting cavity with a large upper part and a small lower part, the liquid collecting bottom piece is provided with a transverse flow guide pipe, and an inner port of the flow guide pipe is communicated with the bottom end of the liquid collecting cavity. The utility model discloses effectively keep the drying in the flue, prevent that the comdenstion water from corroding chimney pipe and flue, improved the result of use of boiler.

Description

Boiler smoke discharging anticorrosion auxiliary device
Technical Field
The utility model belongs to the technical field of the boiler technique of discharging fume and specifically relates to a boiler is discharged fume anticorrosive auxiliary device.
Background
When one boiler operates, smoke enters another standby boiler from the shared flue to generate corrosive condensate water, internal elements of the standby boiler are seriously corroded, the boiler is harmed to safe operation, the smoke is discharged after the boiler operates for a long time, the smoke ascends to the tail of the flue along the flue, the moisture in the smoke forms the condensate water to flow back to the bottom of the flue after the temperature is reduced, the bottom is stored with water for a long time, the condensate water absorbs acid-base media of the smoke and becomes a source of acid-base corrosion, and serious production potential safety hazards of corrosion, perforation, collapse and the like of the flue are caused.
Publication (bulletin) no: CN204693475U, publication (public notice) day: 2015-10-07 relates to a novel low-temperature corrosion prevention waste heat recovery device with a temperature-adjustable power plant boiler, which comprises an air preheater and an auxiliary heat exchanger, wherein a cold air inlet of the air preheater is connected with a hot air outlet of the auxiliary heat exchanger; the tail gas outlet of the air preheater is communicated with the tail gas inlet of the auxiliary heat exchanger; the cold air after the heat exchange of the auxiliary heat exchanger enters the air preheater for further heat exchange, and the boiler tail gas after the heat exchange of the air preheater enters the auxiliary heat exchanger for further heat exchange so as to realize high recovery of the tail flue gas waste heat of the boiler and achieve the purposes of saving energy and reducing consumption of the boiler. By applying the heat pipe heat exchange technology, the lowest wall temperature of the air preheater is controlled, the exhaust gas temperature can be controlled below 120 ℃, the lowest wall temperature of the air preheater is not lower than 95 ℃, meanwhile, the wall temperature can be automatically adjusted, the wall temperature of the tail heat pipe is increased, the aim of corrosion prevention is fulfilled, and the boiler efficiency is effectively increased by 1-2%.
Publication (bulletin) no: CN209839460U, publication (announcement) day: 2019-12-24 discloses a flue anti-corrosion compensator belonging to the technical field of flue compensators, which comprises a first sealing sleeve, wherein two ends of the first sealing sleeve are elastically connected with fixing rings, two ends of the inner wall of the first sealing sleeve are respectively connected with a sealing ring, the inner wall of the first sealing sleeve is also provided with a second sealing sleeve, and the second sealing sleeve is elastically connected with the sealing rings; connect first seal cover on the flue pipe through solid fixed ring, cushion through first extension spring, realize the effect of compensation, the inside both ends of first seal cover are connected with the sealing ring, and its inside second seal cover that still is provided with and passes through second extension spring with the sealing ring and be connected, make the leakproofness of compensator better.
Publication (bulletin) no: CN202202610U, publication (announcement) day: 2012-04-25 discloses an efficient corrosion-resistant energy-saving chimney, comprising: a spiral flue gas diversion line (3) is arranged on the inner liner of the chimney barrel (1), and the lower end of the chimney barrel is provided with a smoke inlet (10); one end of the flue inlet (2) is connected to the flue inlet (10) and communicated with the interior of the chimney barrel (1) through the flue inlet (10); the smoke exhaust device is characterized in that the smoke inlet (2) is connected with the smoke inlet (10) at an elevation angle alpha, and the inner wall of one side of the smoke inlet (2) is tangent to and smoothly connected with the inner wall of the lining (1a) of the chimney barrel (1), so that smoke enters the chimney barrel (1) through the smoke inlet (2) in a tangential and inclined mode, the initial speed and the power of the rising of the smoke are fully improved, and the smoke is in a smoke exhaust mode of rising in a rotating mode. The energy consumption of the induced draft fan can be reduced by about 20%, and the energy conservation is facilitated; meanwhile, the corrosion problem of the inner cylinder and the outer wall of the wet desulfurization chimney can be thoroughly solved.
Publication (bulletin) No.: CN213178398U, publication (public notice) day: 2021-05-11 discloses a flue leakage fluid dram antiseptic treatment equipment, including flue pipe and bottom plate, one side of flue pipe is equipped with the connecting pipe, the both sides fixedly connected with draw runner of flue pipe, and one side swing joint of draw runner has the carriage, and carriage both sides fixedly connected with filter screen, one side outside of carriage is equipped with the handle, one side fixedly connected with slipmat of handle, and fixedly connected with is sealed to fill up between flue pipe and the connecting pipe, the bottom fixedly connected with fluid-discharge tube of flue pipe, one side inner wall fixedly connected with rubber tube of fluid-discharge tube, and the bottom fixedly connected with fixed tube of fluid-discharge tube, the sealing washer has been rabbeted to one side of fixed tube. The advantage is that can effectually avoid liquid corrosion device, secondly also can play sealed effect for the normal operation of flue flowing back process has improved the result of use of device, and has solved and the difficult problem of clearing up, has improved the suitability of device.
In a word, above disclose technical scheme and the technical problem that will solve and the beneficial effect who produces all with the utility model discloses inequality, to the utility model discloses more technical scheme and the technical problem and the beneficial effect that will solve all do not have the technological inspiration in the above-mentioned technical document that discloses.
SUMMERY OF THE UTILITY MODEL
The above-mentioned defect to prior art exists, the utility model aims at providing a boiler is discharged fume anticorrosive auxiliary device effectively keeps the drying in the flue, prevents that the comdenstion water from corroding chimney pipe and flue, has improved the result of use of boiler.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an anti-corrosion device for boiler smoke discharge comprises a flue,
the liquid collecting assembly is connected to the lower port of the flue.
Further, the liquid collection assembly comprises a liquid collection bottom piece and a flow guide pipe;
the liquid collecting bottom piece is internally provided with a tapered liquid collecting cavity with a large upper part and a small lower part, the liquid collecting bottom piece is provided with a transverse flow guide pipe, and an inner port of the flow guide pipe is communicated with the bottom end of the liquid collecting cavity.
Furthermore, the upper port of the liquid collection bottom piece is connected with the lower port of the flue through a buffer tube, the buffer tube is a tapered tube with a small upper part and a large lower part, and a buffer cavity is arranged in the tapered tube.
Further, the lower end of the liquid collecting bottom piece is connected with the mounting base.
Further, the device also comprises a flow guide device;
the flue is provided with a smoke inlet which is connected with a branch pipe, the front end of the flow guide device is connected with a chimney pipe of the boiler, and the rear end of the flow guide device is connected with the branch pipe.
Furthermore, the number of the smoke inlets, the number of the branch pipes and the number of the flow guide devices are the same and are consistent with the number of the boilers;
when the number of the smoke inlets is more than or equal to two, the heights of all the smoke inlets are different.
Further, the flow guide device comprises a flow guide outer pipe, a wind shield and a driving shaft;
the inner cavity of the diversion outer pipe is internally provided with a turnable wind shield which takes a driving shaft arranged on the diversion outer pipe as a rotating shaft.
Furthermore, the flow guide device also comprises a deflector rod and a gravity block;
the upper end of the shifting rod is fixedly connected with the end part of the driving shaft exposed out of the diversion outer pipe, and the gravity block is connected to the lower end of the shifting rod.
Furthermore, the flow guiding device also comprises a driving lever locking piece, wherein the driving lever locking piece comprises an L-shaped frame and a limiting bolt;
the L-shaped frame is fixedly connected with the outer wall of the diversion outer pipe and is close to the lower end of the deflector rod, and a screw hole for installing a limiting bolt is formed in the L-shaped frame.
Compared with the prior art, the utility model following beneficial effect has:
1) through setting up the collection liquid subassembly, the comdenstion water that stores up in the flue passes through the buffer tube and gets into the collection liquid chamber in the collection liquid bottom spare and carry out the hopper-shaped collection, and the comdenstion water of hopper-shaped collection in the collection liquid chamber carries out subsequent chemical treatment through honeycomb duct exhaust collection liquid bottom spare to effectively keep the drying in the flue, prevent that comdenstion water from corroding chimney pipe and flue, improved the result of use of boiler.
2) The flue, the first branch pipe and the second branch pipe are of asymmetric inverted V-shaped structures, so that outlets of chimney pipes of the two groups of boilers are staggered, accumulated water of smoke in the two groups of boilers is prevented from channeling each other, the stability of the whole device is guaranteed, and the smoke is discharged.
Drawings
FIG. 1 is a schematic structural view of a boiler smoke discharging anticorrosion auxiliary device of the present invention;
FIG. 2 is a schematic view of the structure of the diversion device;
FIG. 3 is a schematic view of the liquid trap assembly;
fig. 4 is a front view sectional view of the boiler smoke discharging anticorrosion auxiliary device of the utility model.
In the figure: 1. a flue; 2. a first branch pipe; 3. a second branch pipe; 4. an L-shaped bent pipe; 5. a flow guide device; 6. a buffer tube; 7. a liquid collection assembly; 8. installing a base; 9. a chimney pipe;
51. a diversion outer pipe; 52. a wind deflector; 53. a drive shaft; 54. a deflector rod; 55. an L-shaped frame; 56. a gravity block; 57. a limit bolt;
71. a liquid collecting bottom piece; 711. a buffer chamber; 712. a liquid collection cavity; 72. and a flow guide pipe.
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.
Example 1:
referring to fig. 1 to 4, the present invention provides a technical solution:
an anti-corrosion auxiliary device for boiler smoke discharge comprises a flue 1,
the device also comprises a liquid collection assembly 7 which is connected to the lower port of the flue.
Further, the liquid collecting assembly comprises a liquid collecting bottom piece 71 and a flow guide pipe 72;
the liquid collecting bottom piece is internally provided with a tapered liquid collecting cavity 712 with a large upper part and a small lower part, the liquid collecting bottom piece is provided with a transverse flow guide pipe, and the inner port of the flow guide pipe is communicated with the bottom end of the liquid collecting cavity.
Furthermore, the upper port of the liquid collection bottom piece is connected with the lower port of the flue through a buffer tube 6, the buffer tube is a tapered tube with a small upper part and a large lower part, and a buffer cavity 711 is arranged in the tapered tube.
Further, the lower end of the liquid collecting bottom piece is connected with the mounting base 8.
Further, the device also comprises a flow guide device 5;
the flue is provided with a smoke inlet which is connected with a branch pipe, the front end of the flow guide device is connected with a chimney pipe 9 of the boiler, and the rear end of the flow guide device is connected with the branch pipe.
Furthermore, the number of the smoke inlets, the number of the branch pipes and the number of the flow guide devices are the same and are consistent with the number of the boilers;
when the number of the smoke inlets is more than or equal to two, the heights of all the smoke inlets are different.
Further, the flow guiding device comprises a flow guiding outer pipe 51, a wind deflector 52 and a driving shaft 53;
a turnover wind shield is arranged in the inner cavity of the diversion outer tube, and the wind shield takes a driving shaft arranged on the diversion outer tube as a rotating shaft.
Further, the flow guiding device further comprises a deflector rod 54 and a gravity block 56;
the upper end of the shifting rod is fixedly connected with the end part of the driving shaft exposed out of the diversion outer pipe, and the gravity block is connected to the lower end of the shifting rod.
Furthermore, the flow guiding device also comprises a driving lever locking piece, wherein the driving lever locking piece comprises an L-shaped frame 55 and a limiting bolt 57;
the L-shaped frame is fixedly connected with the outer wall of the diversion outer pipe and is close to the lower end of the deflector rod, and a screw hole for installing a limiting bolt is formed in the L-shaped frame.
The middle part of flue is fixed respectively to be inserted and is equipped with first branch pipe 2 and second branch pipe 3, flue, first branch pipe and second branch pipe are asymmetric "people" style of calligraphy structure, the L type return bend has all been welded to one side of first branch pipe and second branch pipe, one side that L type return bend kept away from the flue all is through flange fixedly connected with guiding device, and one side that L type return bend was kept away from to two sets of guiding device is through flange and the chimney pipe fixed connection that corresponds, the utility model discloses, through setting up a collection liquid subassembly, the comdenstion water that stores up in the flue carries out the hopper-shaped collection through the buffer tube gets into the collection liquid chamber in the collection liquid end spare, and the comdenstion water of hopper-shaped collection in the collection liquid chamber carries out subsequent chemical treatment through honeycomb duct total discharge collection liquid end spare to effectively keep the drying in the flue, prevent that the comdenstion water from corroding chimney pipe and flue, improved the result of use of boiler.
When in use, the whole boiler smoke discharging anti-corrosion auxiliary device is arranged at a proper position on the ground through the mounting base 8, and the two groups of flow guiding devices 5 are connected with the corresponding chimney pipes 9 and the L-shaped bent pipes 4 through the flanges, so that the two groups of boilers share one flue 1, the cost is reduced, the pollution of the flue gas to the environment is reduced, when one group of boilers discharges the flue gas, the corresponding group of shift rods 54 are manually shifted until the shift rods 54 are in a vertical state, the wind shield 52 is permanently in a horizontal state under the gravity action of the gravity block 56, the corresponding flow guiding outer pipe 51 is opened, the flue gas in the corresponding boiler is smoothly discharged out of the flue 1, the shift rods 54 corresponding to the other group of chimney pipes 9 are shifted, the shift rods 54 are movably clamped in the L-shaped frame 55 and are fixed by using the limiting bolts 57, and when the shift rods 54 are in the horizontal state, the wind shield 52 is in a vertical state, so that the corresponding diversion outer tube 51 is blocked, smoke is prevented from flowing into another group of boilers, wherein condensed water stored in the flue 1 enters the liquid collecting cavity 712 in the liquid collecting bottom part 71 through the buffer tube 6 to be collected in a bucket shape, the condensed water in the liquid collecting cavity 712 is collected in the bucket shape, the liquid collecting bottom part 71 is discharged through the diversion tube 72 to carry out subsequent chemical treatment, so that the dryness in the flue 1 is effectively kept, the chimney tube 9 and the flue 1 are prevented from being corroded by the condensed water, wherein the flue 1, the first branch tube 2 and the second branch tube 3 are in an asymmetric 'Y' -shaped structure, the outlets of the chimney tubes 9 of the two groups of boilers are staggered, the occurrence of mutual flowing of accumulated smoke in the two groups of boilers is avoided, the stability of the whole device is ensured, and the discharge of the smoke is facilitated.
Example 2:
referring to fig. 1 to 4, the present invention provides a technical solution:
an anti-corrosion device for boiler smoke discharge comprises a flue 1,
the flue gas purification device further comprises a liquid collection assembly 7, and the liquid collection assembly is connected to the lower port of the flue.
Further, the liquid collecting assembly comprises a liquid collecting bottom piece 71 and a flow guide pipe 72;
the liquid collecting bottom piece is internally provided with a tapered liquid collecting cavity 712 with a large upper part and a small lower part, the liquid collecting bottom piece is provided with a transverse flow guide pipe, and the inner port of the flow guide pipe is communicated with the bottom end of the liquid collecting cavity.
Furthermore, the upper port of the liquid collection bottom piece is connected with the lower port of the flue through a buffer tube 6, the buffer tube is a tapered tube with a small upper part and a large lower part, and a buffer cavity 711 is arranged in the tapered tube.
Further, the lower end of the liquid collecting bottom piece is connected with the mounting base 8.
Further, the device also comprises a flow guide device 5;
the flue is provided with a smoke inlet which is connected with a branch pipe, the front end of the flow guide device is connected with a chimney pipe 9 of the boiler, and the rear end of the flow guide device is connected with the branch pipe.
Example 3:
referring to fig. 1 to 4, the present invention provides a technical solution:
an anti-corrosion auxiliary device for boiler smoke discharge comprises a flue 1,
the flue gas purification device further comprises a liquid collection assembly 7, and the liquid collection assembly is connected to the lower port of the flue.
Further, the liquid collecting assembly comprises a liquid collecting bottom piece 71 and a flow guide pipe 72;
the liquid collection bottom part is internally provided with a tapered liquid collection cavity 712 with a large top and a small bottom, the liquid collection bottom part is provided with a transverse flow guide pipe, and the inner port of the flow guide pipe is communicated with the bottom end of the liquid collection cavity.
Furthermore, the upper port of the liquid collection bottom piece is connected with the lower port of the flue through a buffer tube 6, the buffer tube is a tapered tube with a small upper part and a large lower part, and a buffer cavity 711 is arranged in the tapered tube.
All parts and parts which are not discussed in the present application and the connection mode of all parts and parts in the present application belong to the known technology in the technical field, and are not described again. Such as welding, threaded connections, etc.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the terms "one embodiment," "some embodiments," "specific embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. An anti-corrosion device for boiler smoke discharge comprises a flue,
the device is characterized by also comprising a liquid collection assembly, wherein the liquid collection assembly is connected with the lower port of the flue;
the liquid collection assembly comprises a liquid collection bottom piece and a flow guide pipe;
the liquid collection bottom piece is internally provided with a tapered liquid collection cavity with a large top and a small bottom, the liquid collection bottom piece is provided with a transverse flow guide pipe, and an inner port of the flow guide pipe is communicated with the bottom end of the liquid collection cavity.
2. The boiler smoke discharging anticorrosion auxiliary device as recited in claim 1, wherein the upper port of the liquid collecting bottom piece is connected with the lower port of the flue through a buffer tube, the buffer tube is a tapered tube with a small top and a big bottom, and the inside of the tapered tube is a buffer cavity.
3. The boiler smoke discharging anticorrosion auxiliary device as recited in claim 2, wherein the lower end of the liquid collecting bottom piece is connected with the mounting base.
4. The boiler smoke discharging anticorrosion auxiliary device according to claim 2 or 3, further comprising a flow guiding device;
the flue is provided with a smoke inlet which is connected with a branch pipe, the front end of the flow guide device is connected with a chimney pipe of the boiler, and the rear end of the flow guide device is connected with the branch pipe.
5. The boiler smoke discharging anticorrosion auxiliary device as recited in claim 4, wherein the number of the smoke inlet, the number of the branch pipes and the number of the flow guiding devices are the same and are consistent with the number of the boilers;
when the number of the smoke inlets is more than or equal to two, the heights of all the smoke inlets are different.
6. The boiler smoke discharging anticorrosion auxiliary device as recited in claim 4, wherein the flow guiding device comprises a flow guiding outer pipe, a wind screen and a driving shaft;
a turnover wind shield is arranged in the inner cavity of the diversion outer tube, and the wind shield takes a driving shaft arranged on the diversion outer tube as a rotating shaft.
7. The boiler smoke discharging anticorrosion auxiliary device of claim 6, wherein the flow guiding device further comprises a deflector rod and a gravity block;
the upper end of the shifting rod is fixedly connected with the end part of the driving shaft exposed out of the diversion outer pipe, and the gravity block is connected to the lower end of the shifting rod.
8. The boiler smoke discharging anticorrosion auxiliary device of claim 7, wherein the deflector further comprises a deflector rod locking piece, and the deflector rod locking piece comprises an L-shaped frame and a limiting bolt;
the L-shaped frame is fixedly connected with the outer wall of the diversion outer pipe and is close to the lower end of the deflector rod, and a screw hole for installing a limiting bolt is formed in the L-shaped frame.
CN202122255504.6U 2021-09-17 2021-09-17 Boiler smoke discharging anticorrosion auxiliary device Active CN217057582U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122255504.6U CN217057582U (en) 2021-09-17 2021-09-17 Boiler smoke discharging anticorrosion auxiliary device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122255504.6U CN217057582U (en) 2021-09-17 2021-09-17 Boiler smoke discharging anticorrosion auxiliary device

Publications (1)

Publication Number Publication Date
CN217057582U true CN217057582U (en) 2022-07-26

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