CN204254582U - Steam boiler waste heat recovering device - Google Patents
Steam boiler waste heat recovering device Download PDFInfo
- Publication number
- CN204254582U CN204254582U CN201420663811.5U CN201420663811U CN204254582U CN 204254582 U CN204254582 U CN 204254582U CN 201420663811 U CN201420663811 U CN 201420663811U CN 204254582 U CN204254582 U CN 204254582U
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- CN
- China
- Prior art keywords
- cistern
- chimney
- steam boiler
- combustor
- water inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model discloses a kind of steam boiler waste heat recovering device, belong to steam boiler technical field, comprise the chimney gone out on smoke box being arranged on described steam boiler, described chimney is vertically arranged, the outside of described chimney is provided with cistern, described cistern is provided with the first water inlet, and described first water inlet connects softened water equipment by the first inlet pipeline; Be provided with floating ball sensor in described cistern, described floating ball sensor is electrically connected with electric control gear; The bottom of described cistern is provided with delivery port, and described delivery port is communicated with the drum of described steam boiler by outlet pipeline, and described outlet pipeline is provided with water pump; Some superconducting pipes that the bearing of trend along described chimney is arranged are provided with between described chimney and cistern.The utility model takes full advantage of the heat in the flue gas of chimney discharge, improves heat utilization rate, effectively prevent thermal waste.
Description
Technical field
The utility model belongs to steam boiler technical field, particularly relates to a kind of steam boiler waste heat recovering device.
Background technology
Steam boiler is Industrial Boiler water being heated to certain parameter and producing high-temperature steam, belongs to special equipment.During steam boiler work, first ignition combustion machine, fuel enters the main chamber burning of steam boiler from the crater of combustor, flame goes directly burner hearth bottom, and the water directly heated in drum, then high-temperature flue gas returns furnace front by one-level backhaul smoke pipe, enters secondary backhaul smoke pipe through front smoke box, finally, the low-temperature flue gas after sufficient heat exchange by after smoke box to go out smoke box chimney discharge; And the water in drum creates high-temperature steam by heat exchange.
But flue gas is when exhanst gas outlet is discharged, and the temperature of flue gas is still higher, there is wasted heat and environment caused to the problem of thermal pollution.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of steam boiler waste heat recovering device, to solve the flue gas of existing steam boiler when chimney is discharged, there is wasted heat and environment is caused to the technical problem of thermal pollution.
For solving the problems of the technologies described above, the technical solution of the utility model is: steam boiler waste heat recovering device, comprise the chimney gone out on smoke box being arranged on described steam boiler, described chimney is vertically arranged, the outside of described chimney is provided with cistern, described cistern is provided with the first water inlet, and described first water inlet connects softened water equipment by the first inlet pipeline; Be provided with floating ball sensor in described cistern, described floating ball sensor is electrically connected with electric control gear; The bottom of described cistern is provided with delivery port, and described delivery port is communicated with the drum of described steam boiler by outlet pipeline, and described outlet pipeline is provided with water pump; Some superconducting pipes that the bearing of trend along described chimney is arranged are provided with between described chimney and cistern.
Improve as one, described cistern is provided with the second water inlet, combustor water inlet is provided with bottom the cooling layer of the combustor of described steam boiler, described combustor water inlet is provided with electromagnet cut off valve, temperature sensor is provided with in described cooling layer, described temperature sensor and electromagnet cut off valve are all electrically connected with described electric control gear, and the top of described cooling layer is provided with combustor delivery port, and described combustor delivery port is communicated with described second water inlet by combustor outlet pipeline.
After have employed technique scheme, the beneficial effects of the utility model are: because steam boiler waste heat recovering device devises cistern in the outside of chimney, absorbed the heat the flue gas of discharging from chimney, increase heat utilization rate by cistern, due to described cistern devising the first water inlet, first inlet pipeline, softened water equipment, floating ball sensor, delivery port, outlet pipeline and water pump, the liquid level in cistern can be detected by floating ball sensor, when liquid level is lower than desired location, floating ball sensor sends signal to electric control gear, electric control gear is controlled softened water equipment and is added water to cistern by the first inlet pipeline, stop when liquid level reaches desired location adding water, when the drum lack of water of steam boiler, namely by water pump and outlet pipeline, the water in cistern is joined in drum, because of the cold water that the water added is not normal temperature, but absorb hot water or the warm water of the heat the flue gas of discharging from chimney, increase heat utilization rate, owing to being provided with some superconducting pipes between described chimney and cistern, the water in cistern can be made fully to absorb from the heat the flue gas of chimney discharge by superconducting pipe.The steam boiler waste heat recovering device that the utility model provides takes full advantage of the heat in the flue gas of chimney discharge, improves heat utilization rate, effectively prevent thermal waste.
Because described cistern is provided with the second water inlet, the cooling layer of the combustor of described steam boiler devises combustor water inlet, electromagnet cut off valve, temperature sensor and combustor delivery port, described combustor delivery port is communicated with described second water inlet by combustor outlet pipeline, thus in use, the water temperature of cooling layer is detected by temperature sensor, when the water temperature in layer of lowering the temperature reaches the temperature of setting, temperature sensor sends signal to electric control gear, then electric control gear control electromagnet cut off valve makes combustor water inlet open, add water from trend cooling layer, hot water in cooling layer is changed in cistern by combustor delivery port, water in cistern takes full advantage of the heat energy of cooling layer, further increase heat utilization rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two;
Fig. 3 is the enlarged diagram of combustor in Fig. 2.
In figure: 1, steam boiler, 2, go out smoke box, 3, chimney, 4, cistern, 5, the first water inlet, the 6, first inlet pipeline, 7, softened water equipment, 8, floating ball sensor, 9, delivery port, 10, outlet pipeline, 11, drum, 12, water pump, 13, superconducting pipe, the 14, second water inlet, 15, combustor, 151, to lower the temperature layer, 16, combustor water inlet, 17, electromagnet cut off valve, 18, temperature sensor, 19, combustor delivery port, 20, combustor outlet pipeline.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment one
As shown in Figure 1, a kind of steam boiler waste heat recovering device, comprise the chimney 3 gone out on smoke box 2 being arranged on steam boiler 1, chimney 3 is vertically arranged, the outside of chimney 3 is provided with cistern 4, cistern 4 is provided with the first water inlet 5, first water inlet 5 and connects softened water equipment 7 by the first inlet pipeline 6; Be provided with floating ball sensor 8 in cistern 4, floating ball sensor 8 is electrically connected with electric control gear (not shown), the preferred Programmable Logic Controller of electric control gear; The bottom of cistern 4 is provided with delivery port 9, and delivery port 9 is communicated with the drum 11 of steam boiler 1 by outlet pipeline 10, and outlet pipeline 10 is provided with water pump 12; Be provided with some superconducting pipes 13 that the bearing of trend along chimney 3 is arranged between chimney 3 and cistern 4, the water in cistern 4 can be made fully to absorb heat the flue gas of discharging from chimney 3 by superconducting pipe 13.
Its operation principle is as follows:
Absorbed the heat the flue gas of discharging from chimney 3 by cistern 4, increase heat utilization rate, the liquid level in cistern 4 can be detected by floating ball sensor 8, when liquid level is lower than desired location, floating ball sensor 8 sends signal to electric control gear, electric control gear is controlled softened water equipment 7 and is added water to cistern 4 by the first inlet pipeline 6, stop when liquid level reaches desired location adding water, when drum 11 lack of water of steam boiler 1, namely by water pump 12 and outlet pipeline 10, the water in cistern 4 is joined in drum 11, because of the cold water that the water added is not normal temperature, but absorb hot water or the warm water of the heat the flue gas of discharging from chimney 3, increase heat utilization rate.
Embodiment two
The present embodiment is substantially identical with embodiment one, its difference is, as Fig. 2 and Fig. 3 jointly shown in, cistern 4 is provided with the second water inlet 14, combustor water inlet 16 is provided with bottom the cooling layer 151 of the combustor 15 of steam boiler 1, combustor water inlet 16 place is provided with electromagnet cut off valve 17, temperature sensor 18 is provided with in cooling layer 151, temperature sensor 18 and electromagnet cut off valve 17 are all electrically connected with electric control gear, the top of cooling layer 151 is provided with combustor delivery port 19, and combustor delivery port 19 is communicated with the second water inlet 14 by combustor outlet pipeline 20.
In use, the water temperature of cooling layer 151 is detected by temperature sensor 18, when the water temperature in layer 151 of lowering the temperature reaches the temperature of setting, temperature sensor 18 sends signal to electric control gear, then electric control gear control electromagnet cut off valve 17 makes combustor water inlet 16 open, and adds water, change in cistern 4 by the hot water in cooling layer 151 by combustor delivery port 19 from trend cooling layer 151, water in cistern 4 takes full advantage of the heat energy of cooling layer 151, further increases heat utilization rate.
The steam boiler waste heat recovering device that the utility model provides takes full advantage of the heat in the flue gas of chimney discharge, improves heat utilization rate, effectively prevent thermal waste.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (2)
1. steam boiler waste heat recovering device, comprise the chimney gone out on smoke box being arranged on described steam boiler, described chimney is vertically arranged, it is characterized in that, the outside of described chimney is provided with cistern, described cistern is provided with the first water inlet, and described first water inlet connects softened water equipment by the first inlet pipeline; Be provided with floating ball sensor in described cistern, described floating ball sensor is electrically connected with electric control gear; The bottom of described cistern is provided with delivery port, and described delivery port is communicated with the drum of described steam boiler by outlet pipeline, and described outlet pipeline is provided with water pump; Some superconducting pipes that the bearing of trend along described chimney is arranged are provided with between described chimney and cistern.
2. steam boiler waste heat recovering device according to claim 1, it is characterized in that, described cistern is provided with the second water inlet, combustor water inlet is provided with bottom the cooling layer of the combustor of described steam boiler, described combustor water inlet is provided with electromagnet cut off valve, temperature sensor is provided with in described cooling layer, described temperature sensor and electromagnet cut off valve are all electrically connected with described electric control gear, the top of described cooling layer is provided with combustor delivery port, and described combustor delivery port is communicated with described second water inlet by combustor outlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663811.5U CN204254582U (en) | 2014-11-07 | 2014-11-07 | Steam boiler waste heat recovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663811.5U CN204254582U (en) | 2014-11-07 | 2014-11-07 | Steam boiler waste heat recovering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204254582U true CN204254582U (en) | 2015-04-08 |
Family
ID=52958883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420663811.5U Expired - Fee Related CN204254582U (en) | 2014-11-07 | 2014-11-07 | Steam boiler waste heat recovering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204254582U (en) |
-
2014
- 2014-11-07 CN CN201420663811.5U patent/CN204254582U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20191107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |