CN220103836U - Waste heat recovery device of hot water boiler - Google Patents
Waste heat recovery device of hot water boiler Download PDFInfo
- Publication number
- CN220103836U CN220103836U CN202321162065.7U CN202321162065U CN220103836U CN 220103836 U CN220103836 U CN 220103836U CN 202321162065 U CN202321162065 U CN 202321162065U CN 220103836 U CN220103836 U CN 220103836U
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- China
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- stainless steel
- hot water
- preservation box
- heat preservation
- wall
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000011084 recovery Methods 0.000 title claims abstract description 48
- 239000002918 waste heat Substances 0.000 title claims abstract description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 43
- 239000010935 stainless steel Substances 0.000 claims abstract description 43
- 238000007790 scraping Methods 0.000 claims abstract description 32
- 239000000779 smoke Substances 0.000 claims abstract description 31
- 238000004321 preservation Methods 0.000 claims abstract description 30
- 239000004071 soot Substances 0.000 claims abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003546 flue gas Substances 0.000 abstract description 12
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to the technical field of waste heat recovery of hot water boilers, and discloses a waste heat recovery device of a hot water boiler, which comprises a preheating recovery heat preservation box and a stainless steel water bucket arranged in an inner cavity of the preheating recovery heat preservation box; a smoke exhaust pipe is fixedly and penetratingly arranged at the bottom of the stainless steel water tank; the rotatable scraping component is arranged on the outer wall of the stainless steel water tank and is used for scraping soot on the outer wall of the stainless steel water tank. The hot flue gas of the hot water boiler enters the preheating recovery heat preservation box from the smoke inlet pipe, external hot water enters the stainless steel water barrel from the water inlet pipe, and the boiler hot flue gas temporarily accumulated in the inner cavity of the preheating recovery heat preservation box heats the stainless steel water barrel, so that normal-temperature water in the stainless steel water barrel can be heated, and then the flue gas in the preheating recovery heat preservation box is filtered by the filter screen plate and then is discharged from the smoke exhaust pipe, so that the residual temperature is fully utilized, and the hot water boiler is more practical and is suitable for wide popularization and use.
Description
Technical Field
The utility model belongs to the technical field of waste heat recovery of a hot water boiler, and particularly relates to a waste heat recovery device of a hot water boiler.
Background
The problems of high exhaust gas temperature, insufficient combustion, low heat efficiency of the boiler and the like exist in the operation process of the industrial boiler, the total energy in the exhaust gas loss is huge, if part of energy is fully utilized, the heat in the exhaust gas is further subjected to waste heat recovery, the heat efficiency of the boiler can be improved, and the hot water after heat exchange can be used for washing or other purposes.
The existing industrial boiler is used for discharging a large amount of high-heat smoke in the normal operation process, the smoke is directly discharged after environmental protection filtration, the residual temperature of the smoke is utilized at present, the smoke is normally used for conducting heat to a water tank, but dust in the smoke can be accumulated on the outer wall of a stainless steel water tank for a long time, the heat conducting efficiency of the stainless steel water tank is reduced, and the residual temperature utilization efficiency is affected.
The present utility model has been made in view of this.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
the waste heat recovery device of the hot water boiler comprises a preheating recovery heat preservation box and a stainless steel water bucket arranged in the inner cavity of the preheating recovery heat preservation box; a smoke exhaust pipe is fixedly and penetratingly arranged at the bottom of the stainless steel water tank; the rotatable scraping component is arranged on the outer wall of the stainless steel water tank and is used for scraping soot on the outer wall of the stainless steel water tank.
As a preferred embodiment of the utility model, the scraping assembly comprises a scraping plate, wherein the scraping surface of the scraping plate is attached to the outer wall of the stainless steel water bucket, and one end of the scraping plate is fixed on the inner wall of the outer toothed ring; a driving mechanism is arranged at the upper part of the preheating recovery heat preservation box, and the driving mechanism is in power connection with the outer tooth ring and is used for driving the scraping plate to rotate; an access door is arranged at the lower part of the side wall of the preheating recovery heat preservation box, and a smoke inlet pipe is arranged on the other side wall of the preheating recovery heat preservation box.
As a preferred embodiment of the utility model, the driving mechanism comprises a servo motor arranged at the upper part of the preheating recovery incubator, a driving gear is fixed at the driving end of the servo motor, and the driving gear is in power engagement with the outer gear ring.
As a preferable implementation mode of the utility model, the upper part of the outer wall of the stainless steel water bucket is fixedly sleeved with a large bearing, and the end part of the scraping plate is fixed on the outer wall of the large bearing.
As a preferred implementation mode of the utility model, a water inlet pipe is arranged in the smoke exhaust pipe, and the head end and the tail end of the water inlet pipe are respectively fixedly communicated with the side wall of the smoke exhaust pipe and the lower part of the inner wall of the stainless steel water barrel.
As a preferred embodiment of the present utility model, the lower end of the smoke exhaust pipe is detachably provided with a filter screen plate.
Compared with the prior art, the utility model has the following beneficial effects:
the hot flue gas of the hot water boiler enters the preheating recovery heat preservation box from the smoke inlet pipe, external hot water enters the stainless steel water barrel from the water inlet pipe, and the boiler hot flue gas temporarily accumulated in the inner cavity of the preheating recovery heat preservation box heats the stainless steel water barrel, so that normal-temperature water in the stainless steel water barrel can be heated, and then the flue gas in the preheating recovery heat preservation box is filtered by the filter screen plate and then is discharged from the smoke exhaust pipe, so that the residual temperature is fully utilized.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic diagram of the overall front cross-sectional structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic top view of the distribution positions of the scraping plates and the outer gear ring.
In the figure: 1-preheating and recycling an incubator; 2-a stainless steel water bucket; 3-a water inlet pipe; 4-a drain pipe; 5-smoke exhaust pipe; 6-smoke inlet pipe; 7-scraping plates; 8-a filter screen plate; 9-access door; 10-large bearings; 11-an outer toothed ring; 12-a drive gear; 13-servo motor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.
As shown in fig. 1 to 3, a waste heat recovery device of a hot water boiler comprises a preheating recovery heat preservation box 1 and a stainless steel water tank 2 arranged in the inner cavity of the preheating recovery heat preservation box 1; a smoke exhaust pipe 5 is fixedly and penetratingly arranged at the bottom of the stainless steel water bucket 2; the rotatable scraping component is arranged on the outer wall of the stainless steel water tank 2 and is used for scraping soot on the outer wall of the stainless steel water tank 2.
As shown in fig. 1 to 3, in the specific embodiment, the scraping assembly comprises a scraping plate 7, wherein a scraping surface of the scraping plate 7 is attached to the outer wall of the stainless steel water bucket 2, and one end of the scraping plate 7 is fixed on the inner wall of the outer toothed ring 11; a driving mechanism is arranged at the upper part of the preheating recovery heat preservation box 1, and the driving mechanism is in power connection with the outer tooth ring 11 and is used for driving the scraping plate 7 to rotate; an access door 9 is arranged at the lower part of the side wall of the preheating recovery heat preservation box 1, and a smoke inlet pipe 6 is arranged at the other side wall of the preheating recovery heat preservation box 1; the driving mechanism comprises a servo motor 13 arranged at the upper part of the preheating recovery heat preservation box 1, a driving gear 12 is fixed at the driving end of the servo motor 13, the driving gear 12 is in power engagement with an external gear ring 11, a large bearing 10 is fixedly sleeved at the upper part of the outer wall of the stainless steel water tank 2, and the end part of the scraping plate 7 is fixed at the outer wall of the large bearing 10; the hot flue gas of the hot water boiler enters the preheating recovery heat preservation box 1 from the smoke inlet pipe 6, external hot water enters the stainless steel water barrel 2 from the water inlet pipe 3, and the boiler hot flue gas temporarily accumulated in the inner cavity of the preheating recovery heat preservation box 1 heats the stainless steel water barrel 2, so that normal-temperature water in the stainless steel water barrel 2 can be heated, and then the flue gas in the preheating recovery heat preservation box 1 is discharged from the smoke exhaust pipe 5 after being filtered by the filter screen 8, so that the residual temperature is fully utilized.
As shown in fig. 1 to 3, further, a water inlet pipe 3 is arranged in the smoke exhaust pipe 5, the head end and the tail end of the water inlet pipe 3 are respectively fixedly communicated with the side wall of the smoke exhaust pipe 5 and the lower part of the inner wall of the stainless steel water barrel 2, and a filter screen plate 8 is detachably arranged at the lower end of the smoke exhaust pipe 5.
The implementation principle of the waste heat recovery device of the hot water boiler in the embodiment is as follows: the hot flue gas of the hot water boiler enters the preheating recovery heat preservation box 1 from the smoke inlet pipe 6, external hot water enters the stainless steel water barrel 2 from the water inlet pipe 3, and the boiler hot flue gas temporarily accumulated in the inner cavity of the preheating recovery heat preservation box 1 heats the stainless steel water barrel 2, so that normal-temperature water in the stainless steel water barrel 2 can be heated, and then the flue gas in the preheating recovery heat preservation box 1 is filtered by the filter screen 8 and then is discharged from the smoke exhaust pipe 5, so that the residual temperature is fully utilized;
in order to improve the heat conduction effect of the stainless steel water barrel 2, the ash on the outer wall of the stainless steel water barrel 2 needs to be scraped, and the servo motor 13 works to drive the scraping plate 7 to rotationally scrape the ash around the stainless steel water barrel 2.
Claims (6)
1. The waste heat recovery device of the hot water boiler is characterized by comprising a preheating recovery heat preservation box (1) and a stainless steel water tank (2) arranged in the inner cavity of the preheating recovery heat preservation box (1);
a smoke exhaust pipe (5) is fixedly and penetratingly arranged at the bottom of the stainless steel water tank (2); the rotatable scraping component is arranged on the outer wall of the stainless steel water tank (2) and is used for scraping soot on the outer wall of the stainless steel water tank (2).
2. The waste heat recovery device of a hot water boiler according to claim 1, wherein the scraping assembly comprises a scraping plate (7), a scraping surface of the scraping plate (7) is attached to the outer wall of the stainless steel water tank (2), and one end of the scraping plate (7) is fixed on the inner wall of an outer toothed ring (11); the upper part of the preheating recovery heat preservation box (1) is provided with a driving mechanism, and the driving mechanism is in power connection with the external gear ring (11) and is used for driving the scraping plate (7) to rotate; an access door (9) is arranged at the lower part of the side wall of the preheating recovery heat preservation box (1), and a smoke inlet pipe (6) is arranged on the other side wall of the preheating recovery heat preservation box (1).
3. The waste heat recovery device of a hot water boiler according to claim 2, wherein the driving mechanism comprises a servo motor (13) arranged at the upper part of the preheating recovery incubator (1), a driving gear (12) is fixed at the driving end of the servo motor (13), and the driving gear (12) is in power engagement with the outer gear ring (11).
4. The waste heat recovery device of the hot water boiler according to claim 2, wherein a large bearing (10) is fixedly sleeved on the upper part of the outer wall of the stainless steel water tank (2), and the end part of the scraping plate (7) is fixed on the outer wall of the large bearing (10).
5. The waste heat recovery device of the hot water boiler according to claim 1, wherein a water inlet pipe (3) is arranged in the smoke exhaust pipe (5), and the head end and the tail end of the water inlet pipe (3) are fixedly communicated with the side wall of the smoke exhaust pipe (5) and the lower part of the inner wall of the stainless steel water tank (2) respectively.
6. The waste heat recovery device of a hot water boiler according to claim 5, wherein a filter screen plate (8) is detachably mounted at the lower end of the smoke exhaust pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321162065.7U CN220103836U (en) | 2023-05-15 | 2023-05-15 | Waste heat recovery device of hot water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321162065.7U CN220103836U (en) | 2023-05-15 | 2023-05-15 | Waste heat recovery device of hot water boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220103836U true CN220103836U (en) | 2023-11-28 |
Family
ID=88847259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321162065.7U Active CN220103836U (en) | 2023-05-15 | 2023-05-15 | Waste heat recovery device of hot water boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220103836U (en) |
-
2023
- 2023-05-15 CN CN202321162065.7U patent/CN220103836U/en active Active
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