CN216924752U

CN216924752U - Full premix combustor boiler

Info

Publication number: CN216924752U
Application number: CN202121119292.2U
Authority: CN
Inventors: 李月; 罗坤财
Original assignee: Guangzhou Huanongda Food Technology Co ltd
Current assignee: Guangzhou Huanongda Food Technology Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-07-08
Anticipated expiration: 2031-05-24

Abstract

The utility model relates to the technical field of boilers and discloses a full premix burner boiler which comprises a boiler body, wherein supporting legs are arranged at four corners below the boiler body, a display screen is arranged on the front side of the boiler body, control buttons are arranged below the display screen, a fan is arranged above the interior of the boiler body, an air inlet pipe is arranged on one side of the fan, a first filter box is arranged on one side, close to the boiler body, of the air inlet pipe, a first filter screen is arranged inside the first filter box, and a second filter screen is arranged on one side of the first filter screen. According to the utility model, the first filter screen and the second filter screen are arranged in the first filter box, so that impurities such as dust and the like contained in the introduced air can be conveniently filtered, the phenomenon that the impurities enter the furnace body to cause insufficient combustion and influence the use of an internal combustor is avoided, the cleanness of gas entering is further ensured through the filtering of the double filter screens, the safety of the use of the furnace body is ensured, and the combustion effect is improved.

Description

Full premix combustor boiler

Technical Field

The utility model relates to the technical field of boilers, in particular to a full premix burner boiler.

Background

The premixing technology is that fuel and air are completely mixed before entering a nozzle of a combustion chamber, gas molecules are fully stirred and dispersed and mixed through a premixing cavity, and then combustion is carried out.

Chinese patent discloses a full premix boiler (No. CN 111256164A), this patent technique shell adopts alloy material to make, and it has the strengthening rib to attach in the middle of the bilayer, the insulation material can be filled in the clearance, the boiler that makes has stronger heat preservation effect and syllable-dividing effect, the shell design is for openable, it has plane connection and just left-hand thread to connect to open the connected mode, there is good sealing performance, convenient washing, observe inside scale deposit condition, but its air and gas mixture are not even enough, lead to the burning not enough even, and contain impurity in the air, influence the normal play of combustor, thereby influence burning and discharge quality.

Disclosure of Invention

The present invention aims to provide a fully premixed burner boiler to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a full premix burner boiler comprises a boiler body, supporting legs are arranged at four corners below the boiler body, a display screen is arranged at the front side of the boiler body, control buttons are arranged below the display screen, a fan is arranged above the interior of the boiler body, an air inlet pipe is arranged at one side of the fan, a first filter box is arranged at one side, close to the boiler body, of the air inlet pipe, a first filter screen is arranged inside the first filter box, a second filter screen is arranged at one side of the first filter screen, an air channel is arranged below the fan, a gas pipe is arranged at one side of the air channel, one end of the gas pipe penetrates through the outer side of the boiler body, a gas valve is arranged on the gas pipe, a mixing chamber is arranged below the air channel, a fan blade disc is arranged inside the mixing chamber, a burner is arranged below the mixing chamber, and a metal fiber burning rod is arranged inside the burner, the utility model discloses a heat exchanger, including combustor, heat exchanger opposite side, heat exchanger, cold and hot exchange chamber's bottom is provided with the condensate pipe, one side in cold and hot exchange chamber is provided with the pipe of discharging fume, the pipe of discharging fume is provided with the second filter box on the pipe of discharging fume one side of being close to the furnace body.

As a still further scheme of the utility model: the supporting legs are arranged on the base, and the anti-slip pads are arranged at the bottoms of the bases.

As a still further scheme of the utility model: handles are arranged on the first filter screen and the second filter screen.

As a still further scheme of the utility model: and a gas filter valve is arranged on one side of the gas valve close to the air duct.

As a still further scheme of the utility model: and a glass fiber net is arranged in the second filter box.

As a still further scheme of the utility model: and ion probes are arranged on two sides above the burner.

Compared with the prior art, the utility model has the beneficial effects that:

1. the fan is arranged above the inside of the furnace body, the air channel is arranged below the fan, the fan is convenient to start, external gas is led into the inside of the furnace body through the air channel, the mixing chamber is arranged below the air channel, the gas pipe is arranged on the front side of the air channel, the fan and the gas valve are convenient to start, the led-in air and the led-in gas enter the mixing chamber to be mixed, the gas filtering valve is arranged on the gas pipe, impurities in the gas are convenient to filter when the gas is led in, the influence of the gas impurities on a combustor is avoided, the operation safety is improved, the normal operation of the equipment is ensured, the fan blade disc is arranged inside the mixing chamber, the rotation of the fan blade disc is utilized, the full mixing of the air and the gas is convenient to ensure, the problem that the air and the gas are not uniformly mixed enough is solved, the later combustion is more sufficient and uniform, the fully mixed gas is led into the metal fiber combustion rod to be combusted, the metal fiber burning rod can burn more fully and the flame distribution is more uniform, so that the inner part of the burner can be heated uniformly, the heat utilization rate is effectively improved, the metal fiber burning rod has good corrosion resistance and oxidation resistance, the service life of the burner is prolonged, and the service life of the device is prolonged.

2. The first filter box is arranged on one side of the air inlet pipe close to the furnace body, the first filter screen and the second filter screen are arranged inside the first filter box, so that impurities such as dust and the like contained in the introduced air can be conveniently filtered, the impurities are prevented from entering the furnace body to cause insufficient combustion and influence the use of an internal combustor, the cleanness of gas entering is further ensured through the filtration of the double filter screens, the safety of the use of the furnace body is ensured, the combustion effect is improved, the handles are arranged above the first filter screen and the second filter screen, so that a worker can conveniently pull the handles at regular time to take out the first filter screen and the second filter screen to clean or replace the filter screens, the cleanness of gas filtration is ensured, the influence of the excessive blockage of the filter screens on the gas filtration is avoided, and the second filter box is arranged on one side of the exhaust pipe close to the furnace body, the inside of second filter cartridge is provided with the glass fiber net, is convenient for filter exhaust flue gas to avoid the flue gas that contains a large amount of dust directly to arrange outward, guarantee the cleanness of environment.

Drawings

FIG. 1 is a schematic view of a fully premixed burner boiler;

FIG. 2 is an elevational cross-sectional view of a fully premixed burner boiler;

FIG. 3 is a top view of a fully premixed burner boiler.

In the figure: 1. a furnace body; 2. a support leg; 3. a base; 4. a display screen; 5. a control button; 6. a first filter cassette; 7. an air inlet pipe; 8. a first filter screen; 9. a second filter screen; 10. a handle; 11. a gas pipe; 12. a gas valve; 13. a water inlet pipe; 14. a water outlet pipe; 15. a second filter cassette; 16. a smoke exhaust pipe; 17. a condensate pipe; 18. a fan; 19. an air duct; 20. a fuel gas filter valve; 21. a mixing chamber; 22. a fan blade disc; 23. an ion probe; 24. a metal fiber burning bar; 25. a heat exchanger; 26. a heat exchange chamber; 27. a glass fiber web; 28. a non-slip mat; 29. a burner.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention, a fully premixed burner boiler includes a furnace body 1, support legs 2 are disposed at four corners of the lower portion of the furnace body 1, a display screen 4 is disposed at the front side of the furnace body 1, control buttons 5 are disposed below the display screen 4, a fan 18 is disposed above the inner portion of the furnace body 1, an air inlet pipe 7 is disposed at one side of the fan 18, a first filter box 6 is disposed at one side of the air inlet pipe 7 close to the furnace body 1, a first filter screen 8 is disposed inside the first filter box 6, a second filter screen 9 is disposed at one side of the first filter screen 8, an air duct 19 is disposed below the fan 18, a gas pipe 11 is disposed at one side of the air duct 19, one end of the gas pipe 11 penetrates the outer side of the furnace body 1, a gas valve 12 is disposed on the gas pipe 11, a mixing chamber 21 is disposed below the air duct 19, a fan blade disc 22 is disposed inside the mixing chamber 21, a burner 29 is disposed below the mixing chamber 21, the metal fiber combustion rod 24 is arranged in the combustor 29, the heat exchanger 25 is arranged on the outer side of the combustor 29, the water inlet pipe 13 is arranged at the bottom end of one side of the heat exchanger 25, the water outlet pipe 14 is arranged above the other side of the heat exchanger 25, the cold-heat exchange cavity 26 is arranged on the outer side of the heat exchanger 25, the condensate pipe 17 is arranged at the bottom end of the cold-heat exchange cavity 26, the smoke exhaust pipe 16 is arranged on one side of the cold-heat exchange cavity 26, and the second filter box 15 is arranged on one side, close to the furnace body 1, of the smoke exhaust pipe 16.

In fig. 1 and 2: the below of landing leg 2 all is provided with base 3, and the bottom of base 3 all is provided with slipmat 28, guarantees the stability of device when using.

In fig. 2 and 3: all be provided with handle 10 on first filter screen 8 and the second filter screen 9, the staff of being convenient for regularly pulls handle 10, takes out first filter screen 8 and second filter screen 9, washs or changes the filter screen, guarantees gas filtration's cleanliness.

In fig. 2: the gas filtering valve 20 is arranged on one side, close to the air duct 19, of the gas valve 12, so that impurities in the gas can be filtered when the gas is guided in, the influence of the gas impurities on the combustor 29 is avoided, the guarantee of operation safety is improved, and the normal operation of the equipment is ensured.

In fig. 2: the inside of second filter cartridge 15 is provided with glass fiber net 27, is convenient for filter the exhaust flue gas to avoid the flue gas that contains a large amount of dust directly to arrange outward, guarantee the cleanness of environment.

In fig. 2: the ion probes 23 are arranged on two sides above the combustor 29, so that the flame state and the temperature can be monitored in real time in the combustion process conveniently.

The working principle of the utility model is as follows: when the device is used, the fan 18 is arranged above the inner part of the furnace body 1, the air channel 19 is arranged below the fan 18, the fan 18 is convenient to start, external gas is guided into the inner part of the furnace body 1 through the air channel 19, the mixing chamber 21 is arranged below the air channel 19, the gas pipe 11 is arranged on the front side of the air channel 19, the fan 18 and the gas valve 12 are convenient to start, the guided air and the gas are mixed in the mixing chamber 21, meanwhile, the gas filtering valve 20 is arranged on the gas pipe 11, impurities in the gas are convenient to filter when the gas is guided, the influence of the gas impurities on the combustor 29 is avoided, the guarantee of operation safety is improved, the normal operation of equipment is ensured, the fan blade disc 22 is arranged inside the mixing chamber 21, the rotation of the fan blade disc 22 is utilized, the full mixing of the air and the gas is convenient to ensure, and the problem that the air and the gas are not mixed uniformly enough is solved, so that the combustion in the later stage is more sufficient and uniform, the gas after being fully mixed is guided into the metal fiber combustion rod 24 for combustion, the combustion can be more sufficient through the arranged metal fiber combustion rod 24, the flame distribution is more uniform, the interior of the combustor 29 can be uniformly heated, the heat utilization rate is effectively improved, the metal fiber combustion rod 24 has good corrosion resistance and oxidation resistance, the service life of the combustor 29 is prolonged, the service life of the device is prolonged, the first filter box 6 is arranged on one side of the air inlet pipe 7 close to the furnace body 1, the first filter screen 8 and the second filter screen 9 are arranged inside the first filter box 6, the impurities such as dust and the like contained in the guided air can be conveniently filtered, the impurities are prevented from entering the interior of the furnace body 1, the insufficient combustion is caused, the use of the interior combustor 29 is influenced, and the filtering by the double filter screens, further guaranteed the cleanliness factor that gaseous got into, the security of guaranteeing furnace body 1 and using, improve the combustion effect, all be provided with handle 10 through the top at first filter screen 8 and second filter screen 9, be convenient for the staff regularly stimulates handle 10, take out first filter screen 8 and second filter screen 9, wash or change the filter screen, guarantee gas filtration's cleanliness, avoid the filter screen too to block up the influence to gaseous filtration, one side through being close to furnace body 1 on the pipe 16 of discharging fume is provided with second filter box 15, the inside of second filter box 15 is provided with glass fiber net 27, be convenient for filter exhaust flue gas, thereby avoid the direct outer row of flue gas that contains a large amount of dust, guarantee the cleanness of environment.

Claims

1. A full premix burner boiler comprises a boiler body (1) and is characterized in that supporting legs (2) are arranged at four corners below the boiler body (1), a display screen (4) is arranged on the front side of the boiler body (1), control buttons (5) are arranged below the display screen (4), a fan (18) is arranged above the interior of the boiler body (1), an air inlet pipe (7) is arranged on one side of the fan (18), a first filter box (6) is arranged on one side, close to the boiler body (1), of the air inlet pipe (7), a first filter screen (8) is arranged inside the first filter box (6), a second filter screen (9) is arranged on one side of the first filter screen (8), an air duct (19) is arranged below the fan (18), a fuel gas pipe (11) is arranged on one side of the air duct (19), and one end of the fuel gas pipe (11) penetrates through the outer side of the boiler body (1), a gas valve (12) is arranged on the gas pipe (11), a mixing chamber (21) is arranged below the air channel (19), a fan blade disc (22) is arranged in the mixing chamber (21), a burner (29) is arranged below the mixing chamber (21), a metal fiber burning rod (24) is arranged in the combustor (29), a heat exchanger (25) is arranged outside the combustor (29), a water inlet pipe (13) is arranged at the bottom end of one side of the heat exchanger (25), a water outlet pipe (14) is arranged above the other side of the heat exchanger (25), a cold-heat exchange cavity (26) is arranged at the outer side of the heat exchanger (25), a condensate pipe (17) is arranged at the bottom end of the cold-heat exchange cavity (26), one side of the cold and heat exchange cavity (26) is provided with a smoke exhaust pipe (16), and one side of the smoke exhaust pipe (16) close to the furnace body (1) is provided with a second filter box (15).

2. A fully premixed burner boiler according to claim 1, characterized in that a base (3) is provided below each of said legs (2), and that a non-slip mat (28) is provided at the bottom of each of said bases (3).

3. A fully premixed burner boiler according to claim 1, characterized in that said first filter (8) and said second filter (9) are provided with handles (10).

4. A boiler with fully premixed burners according to claim 1 characterized in that said gas valve (12) is provided with a gas filtering valve (20) on the side close to the air duct (19).

5. A fully premixed burner boiler according to claim 1, characterized in that inside said second filter cassette (15) a glass fiber mesh (27) is provided.

6. A fully premixed burner boiler according to claim 1, characterized in that ion probes (23) are provided on both sides above said burner (29).