CN219588920U - High-efficient heat accumulation formula multi-fuel boiler - Google Patents
High-efficient heat accumulation formula multi-fuel boiler Download PDFInfo
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- CN219588920U CN219588920U CN202320753065.8U CN202320753065U CN219588920U CN 219588920 U CN219588920 U CN 219588920U CN 202320753065 U CN202320753065 U CN 202320753065U CN 219588920 U CN219588920 U CN 219588920U
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- exhaust pipeline
- smoke exhaust
- tail flue
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- pressure cylinder
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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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model provides a high-efficiency heat accumulating type multi-fuel boiler, which relates to the technical field of boilers and comprises a hearth, a smoke exhaust pipeline and a tail flue; the outlet of the hearth is communicated with a smoke exhaust pipeline; a plurality of burners are arranged in the hearth; the flue gas pipeline is provided with a superheater close to the interior of the hearth; the smoke exhaust pipeline is directly communicated with the tail flue; an economizer and an air preheater are arranged in the tail flue; two ends above the Y-shaped channel are respectively communicated with the smoke exhaust pipeline and the tail flue; the lower end of the Y-shaped channel is communicated with a smoke combustion chamber; a secondary smoke exhaust pipeline is communicated between the smoke combustion chamber and the tail flue; an air inlet of the air preheater is connected with a blower; the air outlet of the preheater is respectively communicated with the burner and the smoke combustion chamber. The utility model can solve the problems of high fuel consumption, environmental pollution and the like, and achieves the beneficial effects of improving the fuel heat utilization rate and reducing the environmental pollution.
Description
Technical Field
The utility model relates to the technical field of boilers, in particular to a high-efficiency heat accumulating type multi-fuel boiler.
Background
A boiler is an important device for producing heat energy or power, and its operating principle is to generate heat energy by burning fuel, thereby providing power or energy. The fuel may be coal, petroleum, natural gas, biomass, etc. The combustion of the fuel generates a large amount of heat energy which evaporates the water and thereby drives the turbine to generate electricity.
Boilers have many components, important ones of which include hearths, water tanks, drums, pipes, boiler controllers, turbines, generator sets, and the like. The smoke dust after combustion in the hearth can be discharged through the smoke exhaust pipe, and a large amount of substances such as smoke dust which is not completely combusted are included, so that the substances such as smoke dust which is not completely combusted and carbon monoxide are discharged into the atmosphere together, and the problems of environmental pollution, fuel heat utilization rate and the like are caused.
Disclosure of Invention
Aiming at the problems, the high-efficiency heat accumulating type multi-fuel boiler provided by the utility model can solve the problems of high fuel consumption, environmental pollution and the like, and has the beneficial effects of improving the fuel heat utilization rate and reducing the environmental pollution.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a high-efficiency heat accumulating type multi-fuel boiler which is characterized by comprising a hearth, a smoke exhaust pipeline and a tail flue; the outlet of the hearth is communicated with the smoke exhaust pipeline; a plurality of burners are arranged in the hearth; a superheater is arranged in the smoke exhaust pipeline close to the hearth; a Y-shaped channel is communicated between the smoke exhaust pipeline and the tail flue; an economizer and an air preheater are arranged in the tail flue; two ends above the Y-shaped channel are respectively communicated with the smoke exhaust pipeline and the tail flue; the lower end of the Y-shaped channel is communicated with a smoke combustion chamber; a secondary smoke exhaust pipeline is communicated between the smoke combustion chamber and the tail flue; an air inlet of the air preheater is connected with a blower; and an air outlet of the preheater is respectively communicated with the burner and the smoke combustion chamber.
The high-efficiency heat accumulating type multi-fuel boiler provided by the utility model is characterized in that preferably, one end of the secondary smoke exhaust pipeline connected with the smoke combustion chamber is lower than one end connected with the tail flue; and one end of the secondary smoke exhaust pipeline, which is connected with the tail flue, is arranged at the front side of the air preheater.
The high-efficiency heat accumulating type multi-fuel boiler provided by the utility model preferably further comprises a steam turbine and a hydraulic condenser; the steam turbine comprises a high-pressure cylinder, a medium-pressure cylinder and a low-pressure cylinder; the high-pressure cylinder is connected with the outlet end of the superheater through a steam pipeline; the high-pressure cylinder is connected with a reheater through a steam pipeline; the reheater is arranged in the smoke exhaust pipeline; the reheater is arranged at the rear side of the superheater; the outlet end of the reheater is connected with the medium pressure cylinder and the low pressure cylinder through steam pipelines; the medium pressure cylinder and the low pressure cylinder are respectively connected with the hydraulic condenser; the outlet end of the hydraulic condenser is connected with a water tank; a deaerator is arranged at the water inlet of the water tank; the water tank is connected with the water inlet end of the economizer; the water inlet end of the economizer is provided with a water pump.
The high-efficiency heat accumulating type multi-fuel boiler provided by the utility model is characterized in that the water outlet end of the economizer is preferably connected with a steam drum; the lower end of the steam drum is connected with a down pipe; the down pipe is connected with the water cooling wall of the hearth; the upper end of the water cooling wall is connected with the steam drum; the air outlet of the steam drum is connected with the superheater; a water level monitoring device is arranged in the steam drum; the water level monitoring device is connected with an alarm device.
The technical scheme has the following advantages or beneficial effects:
the utility model provides a high-efficiency heat accumulating type multi-fuel boiler, which comprises a hearth, a smoke exhaust pipeline and a tail flue; the outlet of the hearth is communicated with the smoke exhaust pipeline; a plurality of burners are arranged in the hearth; a superheater is arranged in the smoke exhaust pipeline close to the hearth; the smoke exhaust pipeline is directly communicated with the tail flue; an economizer and an air preheater are arranged in the tail flue; two ends above the Y-shaped channel are respectively communicated with the smoke exhaust pipeline and the tail flue; the lower end of the Y-shaped channel is communicated with a smoke combustion chamber; a secondary smoke exhaust pipeline is communicated between the smoke combustion chamber and the tail flue; an air inlet of the air preheater is connected with a blower; and an air outlet of the preheater is respectively communicated with the burner and the smoke combustion chamber. The high-efficiency heat accumulating type multi-fuel boiler provided by the utility model can solve the problems of high fuel consumption, environmental pollution and the like, and has the beneficial effects of improving the fuel heat utilization rate and reducing the environmental pollution.
Drawings
The utility model and its features, aspects and advantages will become more apparent from the detailed description of non-limiting embodiments with reference to the following drawings. Like numbers refer to like parts throughout. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the utility model.
Fig. 1 is a schematic diagram of a high-efficiency heat accumulating type multi-fuel boiler provided in embodiment 1 of the present utility model.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the utility model.
Example 1:
as shown in fig. 1, the high-efficiency heat accumulating type multi-fuel boiler provided by the embodiment of the utility model comprises a hearth 1, a smoke exhaust pipeline 2 and a tail flue 3; the outlet of the hearth 1 is communicated with a smoke exhaust pipeline 2; a plurality of burners are arranged in the hearth 1; the flue gas pipeline 2 is provided with a superheater 4 close to the interior of the hearth 1; a Y-shaped channel 5 is communicated between the smoke exhaust pipeline 2 and the tail flue 3; an economizer 6 and an air preheater 7 are arranged in the tail flue 3; two ends above the Y-shaped channel 5 are respectively communicated with the smoke exhaust pipeline 2 and the tail flue 3; the lower end of the Y-shaped channel 5 is communicated with a smoke combustion chamber 8; a secondary smoke exhaust pipeline 2 is communicated between the smoke combustion chamber 8 and the tail flue 3; an air inlet of the air preheater 7 is connected with a blower; the air outlet of the air preheater 7 is respectively communicated with the burner and the smoke combustion chamber 8.
When the embodiment works, a worker adds fuel into the hearth 1, hot air is added into the hearth 1 through the preheater, so that the fuel and the hot air are mixed and combusted, hot air and smoke generated after the fuel is combusted upwards enter the smoke exhaust pipeline 2 and the superheater 4, smoke and dust gas is influenced by gravity when passing through the Y-shaped channel 5, most of the smoke and dust which is not combusted downwards enter the smoke and dust combustion chamber 8, most of the high-temperature gas enters the tail flue 3 through the upper end of the Y-shaped channel 5, passes through the economizer 6 and the air preheater 7, and finally is led out and discharged through a fan at the tail end; the smoke entering the smoke combustion chamber 8 is continuously combusted in the combustion chamber, hot air is fed into the smoke combustion chamber 8 through the preheater, the smoke combustion efficiency is improved, and the completely combusted smoke enters the tail flue 3 through the secondary smoke exhaust pipeline 2 and is discharged.
The utility model further burns the unburned and complete smoke dust discharged from the hearth 1 through the Y-shaped pipeline of the smoke dust combustion chamber 8, and then discharges the smoke dust into the tail flue 3, so that heat energy is further provided for the economizer 6 and the air preheater 7 in the tail flue 3, water and air fed into the boiler can be better preheated, the heat utilization rate is improved, and finally the smoke dust is discharged into the atmosphere, thereby reducing environmental pollution; the hot air can be sent into the hearth 1 and the smoke combustion chamber 8 through the air preheater 7, so that the fuel, the smoke and the air are completely mixed, and the combustion is more complete.
The embodiment provides a high-efficient heat accumulation formula multi-fuel boiler can solve the fuel consumptive material height, pollution environmental scheduling problem, reaches the improvement fuel heat utilization efficiency, reduces the beneficial effect to environmental pollution.
In order to further improve the utilization rate of heat energy, in this embodiment, the end of the secondary smoke exhaust pipeline 2 connected with the smoke combustion chamber 8 is lower than the end connected with the tail flue 3; one end of the secondary smoke exhaust pipeline 2 connected with the tail flue 3 is arranged on the front side of the air preheater 7. The preheating effect of the air preheater 7 on air can be improved by heat energy generated by combustion in the smoke combustion chamber 8, so that combustion in the hearth 1 and the smoke combustion chamber 8 is more sufficient, and then heat energy is conveyed to the tail flue 3 to form a virtuous cycle.
Further, in the present embodiment, a steam turbine and a hydraulic condenser 10 are further included; the steam turbine comprises a high-pressure cylinder, a medium-pressure cylinder and a low-pressure cylinder; the high-pressure cylinder is connected with the outlet end of the superheater 4 through a steam pipeline; the high-pressure cylinder is connected with a reheater 9 through a steam pipeline; the reheater 9 is arranged in the smoke exhaust pipeline 2; the reheater 9 is arranged at the rear side of the superheater 4; the outlet end of the reheater 9 is connected with the medium pressure cylinder and the low pressure cylinder through steam pipelines; the medium pressure cylinder and the low pressure cylinder are respectively connected with the hydraulic condenser 10; the outlet end of the hydraulic condenser 10 is connected with a water tank; the water inlet of the water tank is provided with a deaerator 11; the water tank is connected with the water inlet end of the economizer 6; the water inlet end of the economizer 6 is provided with a water pump. The steam after passing through the superheater 4 is conveyed into a high-pressure cylinder to do work, the temperature of the steam after doing work is reduced, the steam cannot continue to do work to a subsequent turbine, and then the steam enters the reheater 9 through a steam pipeline to be heated to form complete steam, and then the complete steam is conveyed into a medium-pressure cylinder and a low-pressure cylinder to do work so as to drive a generator; the steam after the turbine is done work is conveyed to the condenser to condense into water, and is filtered and deoxidized by the deoxidizer 11, and then is conveyed to the economizer 6 together with the supplementing water through the water pump to continuously form new water vapor circulation, thereby reducing the resource waste and improving the utilization rate of the resource.
In order to facilitate the staff to find the water level warning condition in the steam drum 12 in time, in the embodiment, the water outlet end of the economizer 6 is connected with the steam drum 12; the lower end of the steam drum 12 is connected with a down pipe; the down pipe is connected with the water cooling wall of the hearth 1; the upper end of the water-cooled wall is connected with the steam drum 12; the air outlet of the steam drum 12 is connected with the superheater 4; a water level monitoring device is arranged in the steam drum 12; the water level monitoring device is connected with an alarm device. When the water level of the steam drum 12 is higher than the set upper limit or lower than the set lower limit, the water level monitoring device sends an alarm signal through the alarm device to remind a worker to carry out checking treatment.
In summary, the utility model provides the efficient heat accumulating type multi-fuel boiler, which can solve the problems of high fuel consumption, environmental pollution and the like, and has the beneficial effects of improving the fuel heat utilization rate and reducing the environmental pollution.
Those skilled in the art will appreciate that the above-described modifications may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and are not described herein. Such modifications do not affect the essence of the present utility model, and are not described herein.
The preferred embodiments of the present utility model have been described above. It is to be understood that the utility model is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art will make many possible variations and modifications, or adaptations to equivalent embodiments without departing from the technical solution of the present utility model, which do not affect the essential content of the present utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (4)
1. The high-efficiency heat accumulating type multi-fuel boiler is characterized by comprising a hearth, a smoke exhaust pipeline and a tail flue;
the outlet of the hearth is communicated with the smoke exhaust pipeline; a plurality of burners are arranged in the hearth; a superheater is arranged in the smoke exhaust pipeline close to the hearth; a Y-shaped channel is communicated between the smoke exhaust pipeline and the tail flue; an economizer and an air preheater are arranged in the tail flue;
two ends above the Y-shaped channel are respectively communicated with the smoke exhaust pipeline and the tail flue; the lower end of the Y-shaped channel is communicated with a smoke combustion chamber; a secondary smoke exhaust pipeline is communicated between the smoke combustion chamber and the tail flue;
an air inlet of the air preheater is connected with a blower; and an air outlet of the air preheater is respectively communicated with the burner and the smoke combustion chamber.
2. The efficient heat accumulating type multi-fuel boiler according to claim 1, wherein one end of the secondary smoke exhaust pipeline connected with the smoke combustion chamber is lower than one end connected with the tail flue; and one end of the secondary smoke exhaust pipeline, which is connected with the tail flue, is arranged at the front side of the air preheater.
3. The high efficiency regenerative multi-fuel boiler of claim 1, further comprising a steam turbine and a hydraulic condenser; the steam turbine comprises a high-pressure cylinder, a medium-pressure cylinder and a low-pressure cylinder; the high-pressure cylinder is connected with the outlet end of the superheater through a steam pipeline; the high-pressure cylinder is connected with a reheater through a steam pipeline;
the reheater is arranged in the smoke exhaust pipeline; the reheater is arranged at the rear side of the superheater; the outlet end of the reheater is connected with the medium pressure cylinder and the low pressure cylinder through steam pipelines;
the medium pressure cylinder and the low pressure cylinder are respectively connected with the hydraulic condenser;
the outlet end of the hydraulic condenser is connected with a water tank; a deaerator is arranged at the water inlet of the water tank; the water tank is connected with the water inlet end of the economizer; the water inlet end of the economizer is provided with a water pump.
4. The efficient heat accumulating type multi-fuel boiler according to claim 3, wherein the water outlet end of the economizer is connected with a steam drum; the lower end of the steam drum is connected with a down pipe; the down pipe is connected with the water cooling wall of the hearth; the upper end of the water cooling wall is connected with the steam drum; the air outlet of the steam drum is connected with the superheater; a water level monitoring device is arranged in the steam drum; the water level monitoring device is connected with an alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320753065.8U CN219588920U (en) | 2023-04-07 | 2023-04-07 | High-efficient heat accumulation formula multi-fuel boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320753065.8U CN219588920U (en) | 2023-04-07 | 2023-04-07 | High-efficient heat accumulation formula multi-fuel boiler |
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| Publication Number | Publication Date |
|---|---|
| CN219588920U true CN219588920U (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320753065.8U Active CN219588920U (en) | 2023-04-07 | 2023-04-07 | High-efficient heat accumulation formula multi-fuel boiler |
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| Country | Link |
|---|---|
| CN (1) | CN219588920U (en) |
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2023
- 2023-04-07 CN CN202320753065.8U patent/CN219588920U/en active Active
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