CN-224201703-U - Full premix combustion boiler discharge system

CN224201703UCN 224201703 UCN224201703 UCN 224201703UCN-224201703-U

Abstract

The utility model relates to the technical field of boilers, in particular to a full premix combustion boiler discharge system which comprises a boiler body, wherein an upper boiler barrel is arranged above the inside of the boiler body, a lower boiler barrel is arranged below the inside of the boiler body, one side of the upper boiler barrel is connected with an upper header, one side of the lower boiler barrel is connected with a lower header, a plurality of convection tube bundles are connected between the upper boiler barrel and the lower boiler barrel, a burner is arranged at one end of the boiler body, a connecting flue is arranged at the other end of the boiler body, an energy saver is connected at the outer end of the connecting flue, and a condenser is connected at the outer end of the energy saver. In the full premix combustion boiler emission system, the fuel and the air are fully mixed before combustion by adopting the full premix combustion technology to form a uniform combustible mixture, so that the combustion process is more sufficient and stable, and the combustion efficiency is obviously improved. The energy economizer and the condenser in the system effectively recycle heat energy in the flue gas, convert the heat energy into usable energy, reduce the waste of the energy and reduce the whole energy consumption of the boiler.

Inventors

Feng Ruoyan
LI YUYING
Feng Jiaju
TIAN ZHIJIAN
ZHENG XUEYU
LI PENGZHI
LIU JUNJIE
LIANG KUNLONG
YANG YUZHEN
Kong Yudie

Assignees

河南智信锅炉技术创新有限公司

Dates

Publication Date: 20260505
Application Date: 20250307

Claims (8)

1. A full premix combustion boiler discharge system comprises a boiler body (1) and is characterized in that an upper boiler barrel (2) is arranged above the inside of the boiler body (1), a lower boiler barrel (3) is arranged below the inside of the boiler body (1), an upper collecting box (4) is connected to one side of the upper boiler barrel (2), a lower collecting box (5) is connected to one side of the lower boiler barrel (3), a plurality of convection tube bundles (6) are connected between the upper boiler barrel (2) and the lower boiler barrel (3), a combustor (8) is arranged at one end of the boiler body (1), a connecting flue (10) is arranged at the other end of the boiler body (1), an energy economizer (11) is connected to the outer end of the connecting flue (10), a condenser (12) is connected to the outer end of the energy economizer (11), and a chimney (13) is connected to the outer end of the condenser (12).
2. The full premix combustion boiler emission system as set forth in claim 1, wherein a front wall water-cooling wall (7) is installed on the inner wall of the boiler body (1), the upper end of the front wall water-cooling wall (7) is connected with the upper header (4), and the lower end of the front wall water-cooling wall (7) is connected with the lower header (5).
3. The full premix combustion boiler exhaust system according to claim 1, wherein the bottom hot air outlet of the condenser (12) is connected to the burner (8) through a hot air pipeline (9).
4. The full premix combustion boiler exhaust system as set forth in claim 3, wherein a mixer (81) is mounted on the back of the burner (8), a horizontal air inlet pipe (82) is connected to the back of the mixer (81), a fuel gas inlet pipe (83) is connected to one side of the air inlet pipe (82), a hot air inlet (84) is provided on the bottom side of the air inlet pipe (82), and the hot air inlet (84) is connected to the end of the hot air pipeline (9).
5. The full premix combustion boiler exhaust system as set forth in claim 1, wherein the front face of the burner (8) is provided with a square combustion face, a plurality of combustion ports (85) are provided on the combustion face, and the combustion ports (85) are arranged in a matrix.
6. The full premix combustion boiler exhaust system according to claim 2, wherein the convection bank (6) is arranged at equal intervals, and the front wall water-cooled wall (7) is arranged at equal intervals.
7. The full premix combustion boiler exhaust system as set forth in claim 3, wherein a fan (91) is installed on the hot air pipeline (9), and the fan (91) assists hot air to enter the burner (8) from the hot air pipeline (9).
8. The full premix combustion boiler exhaust system according to claim 1, wherein an insulating layer is arranged on the outer wall of the boiler body (1).

Description

Full premix combustion boiler discharge system Technical Field The utility model relates to the technical field of boilers, in particular to a full premix combustion boiler emission system. Background In the technical field of boilers, the traditional boiler combustion system often has the problems of low combustion efficiency, high energy consumption, more pollutant emission and the like. These problems not only affect the operation efficiency of the boiler, but also aggravate environmental pollution, and do not meet the current environmental protection requirements of energy conservation and emission reduction. The traditional boiler combustion mode mostly adopts diffusion combustion, and the combustion mode is easy to generate incomplete combustion phenomenon in the combustion process, so that the combustion efficiency is low, and simultaneously, a large amount of harmful gases such as nitrogen oxides, carbon monoxide and the like are generated, so that the environment is polluted. In addition, the exhaust system of the conventional boiler generally lacks an effective heat energy recovery device, so that a large amount of high-temperature flue gas generated during the operation of the boiler is directly discharged into the atmosphere, and energy waste is caused. Accordingly, there is an urgent need for a boiler combustion system capable of improving combustion efficiency, reducing energy consumption, and reducing pollutant emissions. Disclosure of utility model The utility model aims to provide a full premix combustion boiler emission system, which aims to solve the problems that the emission system of the traditional boiler provided in the background art generally lacks an effective heat energy recovery device, so that a large amount of high-temperature flue gas generated during the operation of the boiler is directly emitted to the atmosphere, and energy is wasted. In order to achieve the above purpose, the utility model provides a full premix combustion boiler discharge system, which comprises a boiler body, wherein an upper boiler barrel is arranged above the inside of the boiler body, a lower boiler barrel is arranged below the inside of the boiler body, one side of the upper boiler barrel is connected with an upper header, one side of the lower boiler barrel is connected with a lower header, a plurality of convection tube bundles are connected between the upper boiler barrel and the lower boiler barrel, a burner is arranged at one end of the boiler body, a connecting flue is arranged at the other end of the boiler body, an energy saver is connected at the outer end of the connecting flue, a condenser is connected at the outer end of the energy saver, and a chimney is connected at the outer end of the condenser. Preferably, a front wall water-cooling wall is arranged on the inner wall of the furnace body, the upper end of the front wall water-cooling wall is connected with the upper header, and the lower end of the front wall water-cooling wall is connected with the lower header. Preferably, the bottom hot air outlet of the condenser is connected to the burner through a hot air pipeline. Preferably, the back of the burner is provided with a mixer, the back of the mixer is connected with a horizontal air inlet pipe, one side of the air inlet pipe is connected with a fuel gas inlet pipe, the bottom side of the air inlet pipe is provided with a hot air inlet, and the hot air inlet is connected with the end head of a hot air pipeline. Preferably, the front surface of the burner is provided with a square combustion surface, the combustion surface is provided with a plurality of combustion ports, and the combustion ports are arranged in a matrix. Preferably, the convection bank is arranged at equal intervals, and the front wall water-cooling wall is arranged at equal intervals. Preferably, a fan is installed on the hot air pipeline, and the fan assists hot air to enter the burner from the hot air pipeline. Preferably, an insulating layer is arranged on the outer wall of the furnace body. Compared with the prior art, the utility model has the beneficial effects that: In the full premix combustion boiler emission system, the fuel and the air are fully mixed before combustion by adopting the full premix combustion technology to form a uniform combustible mixture, so that the combustion process is more sufficient and stable, and the combustion efficiency is obviously improved. The energy economizer and the condenser in the system effectively recycle heat energy in the flue gas, convert the heat energy into usable energy, reduce the waste of the energy and reduce the whole energy consumption of the boiler. The full premix combustion mode reduces the occurrence of incomplete combustion, effectively reduces the emission of harmful gases such as nitrogen oxides, carbon monoxide and the like, and meets the current environmental protection requirements of energy conservation and emission reduction. The equidistant