CN211650313U - Waste heat utilization structure for boiler tail gas - Google Patents
Waste heat utilization structure for boiler tail gas Download PDFInfo
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- CN211650313U CN211650313U CN201922482303.2U CN201922482303U CN211650313U CN 211650313 U CN211650313 U CN 211650313U CN 201922482303 U CN201922482303 U CN 201922482303U CN 211650313 U CN211650313 U CN 211650313U
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- boiler
- wall
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- tail gas
- spiral plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model provides a waste heat utilization structure for boiler tail gas, belonging to the technical field of boiler tail gas, comprising a gas passing cylinder, a gas inlet pipe, a gas outlet pipe and a spiral plate; the air passing cylinder is used for covering the outer wall of the boiler and forms an air passing channel with the outer wall of the boiler; the air inlet pipe is communicated with the air passing cylinder; the air outlet pipe is communicated with the air passing cylinder; the spiral plate is arranged in the air passing channel and is connected with the inner wall of the air passing cylinder and the outer wall of the boiler; the utility model discloses a cooperation of intake pipe, outlet duct, spiral plate and cross the inflator lets in boiler tail gas in the intake pipe to in entering into the inflator from the intake pipe, boiler tail gas is after the motion of spiral helicine gas channel, crosses the inflator and the spiral plate absorbs boiler tail gas's heat, can reduce the thermal waste of boiler tail gas, also can be convenient for keep warm to the boiler simultaneously.
Description
Technical Field
The utility model belongs to the technical field of boiler tail gas, more specifically say, relate to a waste heat utilization structure for boiler tail gas.
Background
The boiler is an energy conversion device, the energy input into the boiler comprises electric energy and chemical energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy; in the smoke and dust discharging process of the boiler, a large amount of waste heat escapes, and waste of the waste heat of tail gas is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waste heat utilization structure for boiler tail gas aims at reducing the extravagant condition of boiler tail gas waste heat.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a waste heat utilization structure for boiler tail gas, which comprises a gas passing cylinder, a gas inlet pipe, a gas outlet pipe and a spiral plate; the air passing cylinder is used for covering the outer wall of the boiler and forms an air passing channel with the outer wall of the boiler; the air inlet pipe is communicated with the air passing cylinder and is used for being communicated with a tail gas discharge mechanism of the boiler; the air outlet pipe is communicated with the air cylinder and is respectively positioned at two ends of the air cylinder together with the air inlet pipe; the spiral plate is arranged in the air passing channel, is connected with the inner wall of the air passing cylinder and the outer wall of the boiler and is used for enabling the air passing channel to be in a spiral structure.
As another embodiment of the present application, the inlet pipe is located above the outlet pipe.
As another embodiment of the application, an absorption strip for absorbing harmful gas in the boiler tail gas is arranged in the gas passing channel, and the absorption strip is arranged along the spiral direction of the spiral plate and is abutted against the spiral plate.
As another embodiment of the present application, the absorption strip is provided with a plurality of absorption holes.
As another embodiment of the present application, the spiral plate is provided with a connecting groove for placing the absorbing strips.
As another embodiment of the present application, a cover ring is disposed on the top of the gas passing cylinder, and the gas inlet pipe is located on the cover ring; the cover ring with the sealed setting of gas cylinder just can dismantle the connection, the fixed hoist that is provided with of spiral plate near cover ring department.
As another embodiment of the application, the cover ring and the gas cylinder are in bolted connection or clamped connection.
As another embodiment of this application, the spiral plate with the department of the butt of passing a section of thick bamboo inner wall and boiler outer wall all is provided with the sealing strip.
As another embodiment of the present application, the spreader includes one or more of a slings, and hooks.
As another embodiment of this application, the spiral plate is close to cross gas cylinder inner wall and boiler outer wall department and all fixedly being provided with the scraper blade, the scraper blade is used for right cross gas cylinder inner wall and boiler outer wall and scrape and get.
The utility model provides a pair of a waste heat utilization structure for boiler tail gas's beneficial effect lies in: compared with the prior art, the utility model discloses a waste heat utilization structure for boiler tail gas lets in boiler tail gas in the inlet tube through the cooperation of inlet tube, outlet duct, spiral plate and gas passing tube, and enters into the gas passing tube from the inlet tube, because be provided with the spiral plate in the gas passing tube, and the spiral plate is connected with the inner wall of gas passing tube and the outer wall of boiler, consequently makes the gas passing channel take the form of heliciform, after the boiler tail gas passes through the gas passing channel that the spiral set up, finally discharge from the outlet duct; after the boiler tail gas moves in the spiral gas passing channel, the gas passing cylinder and the spiral plate absorb heat of the boiler tail gas, waste of heat of the boiler tail gas can be reduced, and heat preservation of the boiler can be facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a waste heat utilization structure for boiler exhaust gas according to an embodiment of the present invention;
fig. 2 is a schematic view of a gas cylinder part of a waste heat utilization structure for boiler tail gas according to an embodiment of the present invention;
fig. 3 is a schematic view of a spiral plate portion of a waste heat utilization structure for boiler exhaust gas according to an embodiment of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
In the figure: 1. a gas passing cylinder; 11. an absorbent strip; 111. an absorption hole; 2. an air inlet pipe; 3. an air outlet pipe; 4. a spiral plate; 41. connecting grooves; 42. a hoisting ring; 43. a squeegee; 5. a boiler; 6. a cover ring; 61. and (4) a groove.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4, a waste heat utilization structure for boiler exhaust gas according to the present invention will be described. A waste heat utilization structure for boiler tail gas comprises a gas passing cylinder 1, a gas inlet pipe 2, a gas outlet pipe 3 and a spiral plate 4; the air passing cylinder 1 is used for covering the outer wall of the boiler 5 and forms an air passing channel with the outer wall of the boiler 5; the air inlet pipe 2 is communicated with the air passing cylinder 1 and is used for being communicated with a tail gas discharge mechanism of a boiler 5; the air outlet pipe 3 is communicated with the air passing cylinder 1 and is respectively positioned at two ends of the air passing cylinder 1 together with the air inlet pipe 2; the spiral plate 4 is arranged in the gas passing channel and is connected with the inner wall of the gas passing cylinder 1 and the outer wall of the boiler 5 for enabling the gas passing channel to be in a spiral structure.
The utility model provides a pair of waste heat utilization structure for 5 tail gases of boiler, compared with the prior art, the utility model discloses a waste heat utilization structure for 5 tail gases of boiler lets in 5 tail gases of boiler in intake pipe 2 through the cooperation of intake pipe 2, outlet duct 3, spiral plate 4 and gas passing tube 1 to get into gas passing tube 1 from intake pipe 2, because be provided with spiral plate 4 in the gas passing tube 1, and spiral plate 4 and the inner wall of gas passing tube 1 and the outer wall butt of boiler 5, consequently make the gas passing channel be the heliciform, 5 tail gases of boiler in the gas passing channel finally discharge from outlet duct 3; after the tail gas of the boiler 5 moves in the spiral gas passing channel, the gas passing cylinder 1 and the spiral plate 4 absorb the heat of the tail gas of the boiler 5, so that the waste of the heat of the tail gas of the boiler 5 can be reduced, and meanwhile, the heat preservation of the boiler 5 can be facilitated.
As a specific embodiment of the present invention, please refer to fig. 1 to 4, an air inlet pipe 2 is located above an air outlet pipe 3, and both the air inlet pipe 2 and the air outlet pipe 3 are fixedly connected to an air passing cylinder 1; the air passing cylinder 1 is fixedly arranged on the outer wall of the boiler 5, and the spiral plate 4 is attached to the inner wall of the air passing cylinder 1 and the outer wall of the boiler 5; when the boiler 5 starts to work, the top of the boiler 5 is far away from the heating part, so the temperature of the top of the boiler 5 is low, and the air inlet pipe 2 is positioned at the top of the air passing cylinder 1, so the tail gas of the boiler 5 is firstly contacted with the top of the boiler 5 and exchanges heat, the waste heat of the tail gas of the boiler 5 is conveniently absorbed, the waste of the heat of the tail gas of the boiler 5 is reduced, and the use of the boiler 5 is convenient.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, an absorption strip 11 for absorbing harmful gas in the exhaust gas of the boiler 5 is disposed in the gas passing channel, and the absorption strip 11 is disposed along the spiral direction of the spiral plate 4 and abuts against the spiral plate 4; the absorption strip 11 is used for absorbing the tail gas of the boiler 5; the absorption strips 11 are activated carbon, and the absorption strips 11 can absorb the tail gas of the boiler 5 and reduce harmful gas discharged to the atmosphere; the absorption strip 11 absorbs the tail gas of the boiler 5, and absorbs the heat of the tail gas of the boiler 5, so that the heat of the tail gas of the boiler 5 is converted into the heat of the gas passing cylinder 1, the waste of the heat of the tail gas of the boiler 5 is reduced, and the temperature rise and the heat preservation of the boiler 5 are facilitated.
As a specific implementation of the embodiment of the utility model, refer to fig. 1 to 4, absorption strip 11 is last to have seted up a plurality of absorption holes 111, and absorption holes 111 on the absorption strip 11 can increase the absorption area who absorbs strip 11, and after 5 tail gas of boiler absorb strip 11, can absorb more 5 tail gases of boiler, be convenient for to thermal absorption in 5 tail gases of boiler, also be convenient for reduce 5 tail gas of boiler's emission of harmful gas.
As a specific implementation manner of the embodiment of the utility model, please refer to fig. 1 to 4, offer the spread groove 41 that is used for placing absorption strip 11 on spiral plate 4, spread groove 41 on spiral plate 4 can increase the connection between absorption strip 11 and the spiral plate 4, is convenient for place absorption strip 11 on spiral plate 4 to be convenient for absorb strip 11 and absorb 5 tail gases of boiler, reduce the thermal waste of 5 tail gases of boiler.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a cover ring 6 is disposed on the top of the inflator 1, and the air inlet pipe 2 is located on the cover ring 6; the cover ring 6 is hermetically and detachably connected with the gas passing cylinder 1, and a lifting appliance is fixedly arranged at the position, close to the cover ring 6, of the spiral plate 4; a groove 61 is formed in one side, close to the gas cylinder 1, of the cover ring 6, and the cover ring 6 is covered with the gas cylinder 1 through the groove 61; a sealing ring is fixedly arranged at the bottom of the groove 61, and after the cover ring 6 is covered with the gas cylinder 1, the sealing ring in the groove 61 is abutted against the top of the gas cylinder 1, so that the sealing performance of the joint of the cover ring 6 and the gas cylinder 1 is improved; the air inlet pipe 2 is arranged on the cover ring 6, and the air inlet pipe 2 is communicated with the upper surface and the lower surface of the cover ring 6; after the boiler 5 stops, the cover ring 6 is separated from the air cylinder 1, so that the spiral plate 4 in the air passage is exposed, and the spiral plate 4 is conveniently pulled out from the air passage through a lifting appliance on the spiral plate 4, so that the spiral plate 4 is conveniently cleaned and maintained.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the cover ring 6 is connected or clamped with the gas cylinder 1 by a bolt; in this embodiment, taking threaded connection as an example, the outer wall of the top of the gas passing cylinder 1 is provided with an external thread, the inner wall of the groove 61 is provided with an internal thread matched with the external thread, and the cover ring 6 is connected with the external thread of the gas passing cylinder 1 through the internal thread, so that the cover ring 6 is conveniently fixed on the gas passing cylinder 1 or the cover ring 6 is separated from the gas passing cylinder 1.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, sealing strips are disposed at the abutting positions of the spiral plate 4 and the inner wall of the gas cylinder 1 and the outer wall of the boiler 5; sealing strip on the spiral plate 4 and the inner wall of gas cylinder 1 and the outer wall butt of boiler 5 to can strengthen the sealing performance between spiral plate 4 and gas cylinder 1 inner wall and the 5 outer walls of boiler, be convenient for make 5 tail gas of boiler follow gas channel screw motion, be convenient for increase the stroke of 5 tail gas of boiler, be convenient for absorb the heat of 5 tail gas of boiler, reduce the thermal waste of 5 tail gas of boiler.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the lifting device includes one or more of a lifting ring 42, a sling and a hook; in this embodiment, the lifting ring 42 is taken as an example, the lifting ring 42 is fixedly connected to the spiral plate 4 near the cover ring 6, and when the spiral plate 4 needs to be taken out from the air passing channel, the spiral plate 4 can be lifted out from the air passing channel through the lifting ring 42, so that the spiral plate 4 can be cleaned or overhauled conveniently.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the scraping plates 43 are fixedly disposed at the positions of the spiral plate 4 close to the inner wall of the gas cylinder 1 and the outer wall of the boiler 5, and the scraping plates 43 are used for scraping the inner wall of the gas cylinder 1 and the outer wall of the boiler 5; the scraper 43 is attached to the inner wall of the air cylinder 1 and the outer wall of the boiler 5; in the process of hanging and taking the spiral plate 4, the scraping plates 43 on the spiral plate 4 can scrape and take impurities on the inner wall of the air passing cylinder 1 and the outer wall of the boiler 5, and the impurities adhered to the inner wall of the air passing cylinder 1 and the outer wall of the boiler 5 are reduced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A waste heat utilization structure for boiler tail gas, characterized by comprising:
the air passing cylinder (1) is covered on the outer wall of the boiler (5) and forms an air passing channel with the outer wall of the boiler (5);
the air inlet pipe (2) is communicated with the air passing cylinder (1) and is used for being communicated with a tail gas discharge mechanism of the boiler (5);
the air outlet pipe (3) is communicated with the air passing cylinder (1); and
and the spiral plate (4) is arranged in the air passing channel, and the inner side and the outer side of the spiral plate are respectively connected with the inner wall of the air passing cylinder (1) and the outer wall of the boiler (5) and used for enabling the air passing channel to be in a spiral structure.
2. The waste heat utilization structure for boiler exhaust gas according to claim 1, characterized in that the inlet pipe (2) is located above the outlet pipe (3).
3. The waste heat utilization structure for boiler tail gas according to claim 1, characterized in that absorption strips (11) for absorbing harmful gases in the boiler (5) tail gas are arranged in the gas passing channel, and the absorption strips (11) are arranged along the spiral direction of the spiral plate (4) and abut against the spiral plate (4).
4. The waste heat utilization structure for boiler tail gas according to claim 3, characterized in that a plurality of absorption holes (111) are opened on the absorption bar (11).
5. The waste heat utilization structure for boiler tail gas according to claim 3, characterized in that the spiral plate (4) is provided with a connecting groove (41) for placing the absorbing strips (11).
6. The waste heat utilization structure for boiler off-gas according to claim 3, characterized in that a cover ring (6) is provided on the top of the gas cylinder (1), and the gas inlet pipe (2) is positioned on the cover ring (6); the cover ring (6) and the air passing cylinder (1) are sealed and detachably connected, and a lifting appliance is fixedly arranged at the position, close to the cover ring (6), of the spiral plate (4).
7. The waste heat utilization structure for boiler tail gas according to claim 6, characterized in that the cover ring (6) is bolted or clamped with the gas cylinder (1).
8. The waste heat utilization structure for the boiler tail gas according to the claim 6 is characterized in that sealing strips are arranged at the abutting positions of the spiral plate (4) and the inner wall of the gas passing cylinder (1) and the outer wall of the boiler (5).
9. The waste heat utilization structure for boiler exhaust gas according to claim 6, wherein the hanger comprises one or more of a hanging ring (42), a sling and a hook.
10. The waste heat utilization structure for the boiler tail gas according to claim 8, characterized in that the scraping plates (43) are fixedly arranged on the spiral plate (4) close to the inner wall of the gas cylinder (1) and the outer wall of the boiler (5), and the scraping plates (43) are used for scraping the inner wall of the gas cylinder (1) and the outer wall of the boiler (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922482303.2U CN211650313U (en) | 2019-12-31 | 2019-12-31 | Waste heat utilization structure for boiler tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922482303.2U CN211650313U (en) | 2019-12-31 | 2019-12-31 | Waste heat utilization structure for boiler tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211650313U true CN211650313U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922482303.2U Active CN211650313U (en) | 2019-12-31 | 2019-12-31 | Waste heat utilization structure for boiler tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211650313U (en) |
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2019
- 2019-12-31 CN CN201922482303.2U patent/CN211650313U/en active Active
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