CN217909716U - Multi-cycle white smoke removal gas heating system - Google Patents
Multi-cycle white smoke removal gas heating system Download PDFInfo
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- CN217909716U CN217909716U CN202221975741.8U CN202221975741U CN217909716U CN 217909716 U CN217909716 U CN 217909716U CN 202221975741 U CN202221975741 U CN 202221975741U CN 217909716 U CN217909716 U CN 217909716U
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Abstract
The utility model discloses a white cigarette's gas heating system is removed in multicycle, include: the gas boiler is connected with the temperature-resistant fan and outputs high-temperature flue gas; high-temperature flue gas is generated after reaction in the gas-fired boiler, and is connected with a solution generating device through a pipeline under the action of the temperature-resistant fan, and the generated high-temperature flue gas is conveyed into the solution generating device; the solution spraying is firstly carried out on the smoke discharged by the system, and then the hot dry air mixing dilution is carried out, so that the dew point of the discharged smoke can be lower than 30 ℃, the temperature of a dry bulb is maintained above 50 ℃, the deep waste heat recovery and the visual whitening are realized, the high-temperature smoke is introduced into the solution generating device through the temperature-resistant fan and used as a driving heat source, and the supply of required additional heat sources is reduced.
Description
Technical Field
The utility model belongs to the white recovery field of flue gas disappears, concretely relates to multicycle removes gas heating system of white cigarette.
Background
The smoke discharged by the existing gas heating boiler is directly discharged only after passing through an air preheater, the dry bulb temperature is about 100 ℃, the dew point temperature is about 55 ℃, and a large amount of heat is wasted. In addition, the time and place needing heating are generally northern winter, the outside air temperature is very low, the smoke discharged with high moisture content can be condensed into liquid drops when meeting with the condensation, obvious visual white smoke is generated, and the phenomenon of chimney rain is generated near a chimney.
Some gas heating boilers are additionally provided with a heat exchanger for exhaust smoke after an air preheater to preheat heating water, but on one hand, the temperature of the heating return water is high, the exhaust smoke is difficult to be reduced to below 50 ℃, and more latent heat of vaporization cannot be recovered, so that heat waste is caused; on the other hand, white smoke generated after high-temperature water vapor is cooled is more serious because of the reduced temperature.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a white cigarette's gas heating system is removed in multicycle to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a multi-cycle white smoke removal gas heating system comprising:
the gas boiler is connected with the temperature-resistant fan and outputs high-temperature flue gas;
high-temperature flue gas is generated after reaction in the gas boiler, and is connected with a solution generating device through a pipeline under the action of the temperature-resistant fan, and the generated high-temperature flue gas is conveyed into the solution generating device.
As a further description of the above technical solution: the solution generating device is connected with the fresh air heater through a pipeline, the temperature of high-temperature flue gas is reduced, then the high-temperature flue gas enters the fresh air heater to heat air, the temperature of the high-temperature flue gas is reduced to a preset temperature, and then the high-temperature flue gas enters the original flue and enters the spraying device through the smoke exhaust fan.
As a further description of the above technical solution: the spraying device is connected with the smoke outlet through a flue to perform white discharge elimination.
As a further description of the above technical solution: the fresh air fan is connected with the fresh air heater and the air preheater through pipelines, the fresh air heater is connected with the smoke exhaust part of the spraying device through a pipeline, and the fresh air heater is mixed with the sprayed smoke to eliminate white emission.
As a further description of the above technical solution: the air preheater is connected with the gas boiler and the smoke exhaust fan.
As a further description of the above technical solution: the bottom of the spraying device is connected with the solution generating device through a circulating solution pump.
As a further description of the above technical solution: the solution generating device is connected with a solution cooler, and the solution cooler is connected to the top of the spraying device through a pipeline.
As a further description of the above technical solution: the solution cooler is connected with a condenser, and the condenser is connected with the gas boiler through a pipeline.
As a further description of the above technical solution: the solution generating device is connected with the condenser through a pipeline, and the condenser discharges condensed water through the pipeline.
As a further description of the above technical solution: the gas boiler delivers heating water supply through a pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the smoke is sprayed by the solution and then mixed and diluted by hot dry air, the dew point of the smoke can be lower than 30 ℃, and the temperature of a dry ball is maintained above 50 ℃, so that deep waste heat recovery and visual whitening are realized.
2. The high-temperature flue gas is introduced into the solution generating device through the temperature-resistant fan to serve as a driving heat source, and the supply of required additional heat sources is reduced.
Drawings
Fig. 1 is a schematic view of a connection structure of the gas heating system provided by the present invention.
In the figure: 1. a gas boiler; 2. a temperature resistant fan; 3. a solution generating device; 4. a fresh air heater; 5. a smoke exhaust fan; 6. a spraying device; 7. a smoke outlet; 8. a fresh air fan; 9. an air preheater; 10. a circulating solution pump; 11. a solution cooler; 12. a condenser.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
Referring to fig. 1, the present invention provides a technical solution: a multi-cycle white smoke removal gas heating system comprising:
the gas boiler 1 is connected with the temperature resistant fan 2 and outputs high-temperature flue gas;
high-temperature flue gas is generated after reaction in the gas boiler 1, and is connected with the solution generating device 3 through a pipeline under the action of the temperature-resistant fan 2, and the generated high-temperature flue gas is conveyed into the solution generating device 3.
The gas enters the boiler and is mixed with air to burn to generate smoke, the high-temperature smoke is introduced into the solution generating device 3 from the boiler by the temperature-resistant fan 2, and the high-temperature smoke is used as a heat source for generating the solution, so that latent heat of vaporization is fully utilized, and energy is saved.
In this embodiment, the high temperature flue gas temperature for solution generation is not less than 1000 ℃.
With the attached drawing, the solution generating device 3 is connected with the fresh air heater 4 through a pipeline, the air is heated by the fresh air heater 4 after the temperature of the high-temperature flue gas is reduced, and the air enters the original flue after the temperature of the high-temperature flue gas is reduced to a preset temperature and enters the spraying device 6 through the smoke exhaust fan 5.
In the embodiment, the temperature of the high-temperature flue gas cooled by the solution generating device 3 is not more than 200 ℃, the dew point temperature is not more than 55 ℃, the high-temperature flue gas enters the fresh air heater 4 to heat the air, the temperature of the flue gas after reaction is not more than 80 ℃, and the dew point temperature is not more than 55 ℃; the flue gas is conveyed into a spraying device 6 through a pipeline by a flue gas exhaust fan 5, and the heat and the moisture in the flue gas are further absorbed by spraying of a hygroscopic solution.
With the attached drawing, the spraying device 6 is connected with the smoke outlet 7 through a flue to perform white discharge.
In the embodiment, the temperature of the flue gas sprayed by the spraying device 6 is not more than 55 ℃, the dew point is not more than 35 ℃, and the flue gas enters the smoke outlet 7 through the flue.
The fresh air fan 8 is connected with the fresh air heater 4 and the air preheater 9 through pipelines, the fresh air heater 4 is connected with the smoke exhaust part of the spraying device 6 through a pipeline, and the smoke exhaust part is mixed with the sprayed smoke to eliminate white emission.
Can be through new trend fan 8 with the air suction system, the air gets into new trend heater 4 and air preheater 9, and the air in the new trend heater 4 is under the flue gas heating, and the temperature rises, gets into spray set 6 and mixes with the flue gas after spraying, and in this embodiment, the air temperature of new trend heater 4 output is no more than 55 ℃, mixes with the flue gas after spraying, and the flue gas temperature is no more than 55 ℃, and the dew point temperature is no more than 29.7 ℃.
The air preheater 9 is connected with the gas boiler 1 and the smoke exhaust fan 5, air enters the air preheater 9 for cooling under the conveying of the fresh air fan 8, the cooled air enters the gas boiler 1 and is mixed with gas, so that the combustion is more sufficient, one part of high-temperature smoke in the gas boiler 1 enters the solution generating device and serves as a heat source, the other part of the high-temperature smoke is normally exhausted, the high-temperature smoke enters the air preheater 9 for cooling, the cooled smoke and the smoke after heating the air are mixed in a pipeline and enter the spraying device 6 through the smoke exhaust fan 5 for spraying and whitening treatment of the smoke, and then the cooled smoke and the hot air after the fresh air heater are mixed and are extinguished and discharged from the smoke exhaust port 7.
With reference to the figure, the bottom of the spraying device 6 is connected with the solution generating device 3 through a circulating solution pump 10.
The solution sprayed at the bottom of the spraying device 6 can be pumped out by a circulating solution pump 10, and is conveyed into the solution generating device 3 to be heated to boiling under the action of high-temperature flue gas.
Solution generating device 3 connects solution cooler 11, and solution cooler 11 passes through the pipe connection at spray set 6's top, and the moisture that the solution that heats the boiling released becomes the secondary steam, and solution itself then is concentrated, and the solution after the concentration gets into solution cooler 11, is cooled by the heating return water, and the top that gets into spray set 6 afterwards sprays the flue gas, absorbs heat and moisture in the flue gas, gets back to the spray set bottom.
In this embodiment, the solution cooler 11 is connected to the condenser 12, the condenser 12 is connected to the gas boiler 1 through a pipeline, and the heating return water enters the gas boiler 1 to be heated after being preheated by the solution cooler 11 and the condenser 12, and is heated before reaching the heating water supply temperature.
Solution generating device 3 passes through the pipeline and is connected with condenser 12, and condenser 12 passes through the pipeline and discharges the comdenstion water, and the moisture that can realize heating boiling's solution release becomes the secondary steam, forms the secondary steam condensate water after condenser 12 condensation, discharges through condenser 12, and secondary steam gets into condenser 12 in this embodiment, by the condensation of heating return water, the heating return water is heated by the secondary steam, reaches the heating before the heating supply water temperature.
The gas boiler 1 conveys the heating water supply out through a pipeline, and can convey the heating water reaching the heating water supply temperature out, thereby realizing gas heating.
The working principle is as follows: the gas enters the gas boiler 1 to be mixed and combusted with the air to generate flue gas, after cold air passes through the fresh air fan 8, one path of cold air is heated by the flue gas generated after the solution is participated in the fresh air heater 4 and is mixed with the sprayed flue gas to be discharged; one path of the smoke enters the gas boiler 1 through the air preheater 9 and is discharged, a strand of high-temperature smoke in the boiler is led to serve as a heat source of the solution generating device 3 through the temperature-resistant fan 2, the fresh air heater 4 is used for heating air after the temperature is reduced, the temperature is reduced again and then the smoke is discharged and mixed with the air preheater 9, the discharged smoke enters the solution spraying device 6 under the action of the smoke discharge fan 5 after being cooled through the air preheater 9 and is sprayed by the solution with hygroscopicity, the temperature is reduced, the moisture content is greatly reduced, and then the discharged smoke is mixed with hot air behind the fresh air heater 4 and is subjected to white discharge elimination at the smoke discharge port 7.
The solution is pumped out from the bottom of the spraying device 6 by the circulating solution pump 10, enters the solution generating device 3 and is heated to boil, the released moisture is changed into secondary steam, the solution is concentrated, the concentrated solution is cooled by heating water, and then enters the spraying device 6 to spray flue gas, absorb heat and moisture in the flue gas and return to the bottom of the spraying device 6; after being generated from the solution generating device 3, the secondary steam enters the condenser 12, transfers heat to heating water, becomes secondary steam condensate and is recycled; the heating backwater enters the gas boiler 1 to be heated after being preheated by the solution cooler 11 and the condenser 12, and is heated before reaching the heating water supply temperature.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a white gas heating system of cigarette is removed in multicycle which characterized in that: the method comprises the following steps:
the gas boiler (1) is connected with the temperature-resistant fan (2) and outputs high-temperature flue gas;
high-temperature flue gas is generated after reaction in the gas boiler (1), and is connected with the solution generating device (3) through a pipeline under the action of the temperature-resistant fan (2), and the generated high-temperature flue gas is conveyed into the solution generating device (3).
2. A multi-cycle white smoke abatement gas heating system as claimed in claim 1, wherein: the solution generating device (3) is connected with the fresh air heater (4) through a pipeline, the air is heated by the fresh air heater (4) after the temperature of high-temperature flue gas is reduced, the air enters the original flue after the temperature of the high-temperature flue gas is reduced to a preset temperature, and the air enters the spraying device (6) through the smoke exhaust fan (5).
3. A multi-cycle white smoke abatement gas heating system as claimed in claim 2, wherein: the spraying device (6) is connected with the smoke outlet (7) through a flue to perform white discharge.
4. A multi-cycle white smoke abatement gas heating system as claimed in claim 2, wherein: the fresh air fan (8) is connected with the fresh air heater (4) and the air preheater (9) through a pipeline, the fresh air heater (4) is connected with the smoke exhaust part of the spraying device (6) through a pipeline, and the smoke exhaust part is mixed with the sprayed smoke and is subjected to white smoke exhaust.
5. The multi-cycle white smoke abatement gas heating system of claim 4, wherein: the air preheater (9) is connected with the gas boiler (1) and the smoke exhaust fan (5).
6. A multi-cycle white smoke abatement gas heating system as claimed in claim 2, wherein: the bottom of the spraying device (6) is connected with the solution generating device (3) through a circulating solution pump (10).
7. A multi-cycle white smoke abatement gas heating system as claimed in claim 2, wherein: the solution generating device (3) is connected with a solution cooler (11), and the solution cooler (11) is connected to the top of the spraying device (6) through a pipeline.
8. A multi-cycle white smoke abatement gas heating system as claimed in claim 7, wherein: the solution cooler (11) is connected with a condenser (12), and the condenser (12) is connected with the gas boiler (1) through a pipeline.
9. A multi-cycle white smoke abatement gas heating system as claimed in claim 8, wherein: the solution generating device (3) is connected with the condenser (12) through a pipeline, and the condenser (12) discharges condensed water through the pipeline.
10. A multi-cycle white smoke abatement gas heating system as claimed in claim 1, wherein: the gas boiler (1) conveys heating water out through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221975741.8U CN217909716U (en) | 2022-07-28 | 2022-07-28 | Multi-cycle white smoke removal gas heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221975741.8U CN217909716U (en) | 2022-07-28 | 2022-07-28 | Multi-cycle white smoke removal gas heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217909716U true CN217909716U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221975741.8U Active CN217909716U (en) | 2022-07-28 | 2022-07-28 | Multi-cycle white smoke removal gas heating system |
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| Country | Link |
|---|---|
| CN (1) | CN217909716U (en) |
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2022
- 2022-07-28 CN CN202221975741.8U patent/CN217909716U/en active Active
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