CN219036687U - Low nitrogen mixes gas recirculation device for gas burner in advance - Google Patents

Abstract

The utility model relates to the technical field of combustors and discloses a smoke circulating device for a low-nitrogen premixed gas combustor, which comprises a combustor, wherein a smoke pipe is fixedly connected to the combustor, the right end of the smoke pipe is fixedly connected with a heat recovery device, two filter plates are fixedly installed in the smoke pipe, a fixing strip is arranged between the two filter plates, the front end and the rear end of the fixing strip are respectively and fixedly connected with the front wall and the rear wall of the smoke pipe, the smoke pipe can convey smoke generated by the combustor to the heat recovery device for heat recovery, so that heat in the smoke is recycled, dust and other impurities in the smoke can be filtered through the two filter plates, and meanwhile, the smoke can drive the elastic balls to shake when passing through the elastic balls, so that the elastic balls can continuously strike the two filter plates, dust attached to the filter plates is vibrated, then the dust can enter a collecting box through the two filter plates for collection, and a large amount of impurities such as dust in the smoke are prevented from being attached to the filter plates for blocking.

Description

Low nitrogen mixes gas recirculation device for gas burner in advance

Technical Field

The utility model relates to the technical field of combustors, in particular to a flue gas circulating device for a low-nitrogen premixed gas combustor.

Background

The low-nitrogen burner is equipment which is used for integrating a blower, a draught fan, a frequency converter, a control valve and a plurality of circuits to enable clean energy and burner operation to provide more efficient heat energy for a boiler, and the burner is important equipment on an industrial fuel oil boiler and a gas boiler.

The low nitrogen combustor can produce the flue gas when using, and contain a large amount of heat in the flue gas, in order to recycle the heat of flue gas, can mostly guide the flue gas into heat recovery device through the tobacco pipe and retrieve heat energy and carry out cyclic utilization heat energy, but unavoidable impurity such as dust in the flue gas, just so need the filter to filter, but the filter will adhere to devices such as a large amount of dust after having used for a long time, will produce the jam like this, and clear up the filter and need dismantle the filter after the clearance, increase staff's work load.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the flue gas circulating device for the low-nitrogen premixed gas burner, which has the advantages of avoiding the blockage of a large amount of dust and other impurities in flue gas attached to a filter plate, and the like, and solves the problems that in order to recycle the heat of the flue gas, most of flue gas is guided into a heat energy recycling device through a flue pipe to recycle the heat energy, but the dust and other impurities are unavoidable in the flue gas, the filter plate is required to be filtered, a large amount of dust and other devices are attached to the filter plate after the filter plate is used for a long time, the blockage is caused, the filter plate is required to be cleaned after the filter plate is disassembled, and the workload of workers is increased.

(II) technical scheme

In order to achieve the purpose of avoiding the blockage caused by the fact that a large amount of impurities such as dust in the flue gas are attached to the filter plate, the utility model provides the following technical scheme: the utility model provides a low nitrogen mixes gas burner with gas cycle device in advance, including the combustor, fixedly connected with tobacco pipe on the combustor, tobacco pipe right-hand member fixedly connected with heat recovery unit, fixedly mounted has two filter in the tobacco pipe, be provided with the dead strip between two filter, both ends respectively with tobacco pipe front and back inner wall fixed connection around the dead strip, movable run through has the rotary rod on the dead strip, fixed mounting has two movable strips on the rotary rod, equal fixed mounting has the connecting rope on two movable strips, equal fixed mounting has the elastic ball on two connecting ropes, the left side of two filter all is provided with the standpipe, two standpipe all with tobacco pipe lower wall fixed connection, fixedly connected with collecting box on two standpipe.

Preferably, the upper wall of the smoke tube is fixedly connected with an air tube, and the air tube is fixedly connected with a spring air bag.

Preferably, the spring air bag is fixedly connected with a one-way valve, the rotary rod is fixedly provided with a rotary blade, and the rotary blade is arranged right below the air pipe.

Preferably, a valve is fixedly arranged on the air pipe, and a V-shaped plate is fixedly arranged in the collecting box.

Preferably, the V-shaped plate is fixedly connected with a discharging pipe, the discharging pipe fixedly penetrates through the lower wall of the collecting box, and the side wall of the collecting box is fixedly connected with a water inlet pipe.

(III) beneficial effects

Compared with the prior art, the utility model provides the flue gas circulation device for the low-nitrogen premixed gas burner, which has the following beneficial effects:

1. this low nitrogen mixes gas burner with gas circulation device in advance can carry the heat recovery device to the flue gas that the combustor produced to heat recovery carries out the heat recovery through the tobacco pipe to for the heat in the flue gas carries out cyclic utilization, can filter impurity such as dust in the flue gas through two filter, can drive the elasticity ball when the flue gas passes through the elasticity ball simultaneously and produce and rock, the elasticity ball will constantly strike two filter like this, thereby shake down the dust that will attach on the filter, then the dust will get into the collecting box through two standpipe in, thereby avoid impurity such as dust in the flue gas to attach in a large number and produce the jam on the filter.

2. This low nitrogen mixes gas burner with gas circulation device in advance can be to the collecting box in the injection water through opening the water inlet pipe to fall into dust in the collecting box and will fuse with water, just so can avoid the dust to lift up again, just can discharge the water that has the dust through opening the discharging pipe, just can make a round trip to press the spring gasbag through opening the valve, thereby can produce wind-force through the trachea and blow to rotatory leaf, just so can drive the rotary rod rotatory, thereby can utilize two movable strips to throw two elastic balls, thereby can strike the filter and make it produce vibrations, just so can be when the dust is too much artificial clear up the dust fast.

Drawings

FIG. 1 is a schematic view of a front perspective structure of the present utility model;

fig. 2 is a schematic view of a partial enlarged structure at a in fig. 1 according to the present utility model.

In the figure: 1. a burner; 2. a smoke tube; 3. a spring air bag; 4. a one-way valve; 5. an air pipe; 6. a valve; 7. a movable bar; 8. a heat energy recovery device; 9. a connecting rope; 10. a spring ball; 11. a rotating rod; 12. a fixing strip; 13. a water inlet pipe; 14. a V-shaped plate; 15. a discharge pipe; 16. a collection box; 17. a standpipe; 18. rotating the leaves; 19. and (5) a filter plate.

Detailed Description

The present utility model will be described in further detail below with reference to the drawings, wherein like elements are designated by like reference numerals, and it is noted that the words "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular element.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides the following technical solutions: the utility model provides a low nitrogen mixes gas burner with gas circulation device in advance, including combustor 1, fixedly connected with tobacco pipe 2 on the combustor 1, tobacco pipe 2 right-hand member fixedly connected with heat recovery unit 8, fixedly mounted with two filter plates 19 in the tobacco pipe 2, be provided with fixed strip 12 between two filter plates 19, both ends respectively with tobacco pipe 2 front and back inner wall fixed connection around the fixed strip 12, movable run through has rotary rod 11 on the fixed strip 12, fixedly mounted with two movable strips 7 on the rotary rod 11, all fixedly mounted with connecting rope 9 on two movable strips 7, all fixedly mounted with elastic ball 10 on two connecting rope 9, the left side of two filter plates 19 all is provided with standpipe 17, two standpipe 17 all with tobacco pipe 2 lower wall fixed connection, fixedly connected with collecting box 16 on two standpipe 17, can carry the flue gas that combustor 1 produced to heat recovery unit through tobacco pipe 2 and carry out heat recovery, therefore, the heat in the flue gas can be recycled, dust and other impurities in the flue gas can be filtered through the two filter plates 19, meanwhile, the flue gas can drive the elastic ball 10 to shake when passing through the elastic ball 10, so that the elastic ball 10 can continuously impact the two filter plates 19, dust attached to the filter plates 19 shakes down, then the dust can enter the collecting box 16 through the two vertical pipes 17 to be collected, thereby avoiding the dust and other impurities in the flue gas from being largely attached to the filter plates 19 to generate blockage, the upper wall of the flue pipe 2 is fixedly connected with the air pipe 5, the air pipe 5 is fixedly connected with the spring air bag 3, the spring air bag 3 is fixedly connected with the one-way valve 4, the rotary rod 11 is fixedly provided with the rotary blade 18, the rotary blade 18 is arranged right below the air pipe 5, the valve 6 is fixedly arranged on the air pipe 5, the V-shaped plate 14 is fixedly arranged in the collecting box 16, the discharging pipe 15 is fixedly connected to the V-shaped plate 14, the discharging pipe 15 fixedly penetrates through the lower wall of the collecting box 16, the water inlet pipe 13 is fixedly connected to the side wall of the collecting box 16, water can be injected into the collecting box 16 by opening the water inlet pipe 13, dust falling into the collecting box 16 can be fused with the water, so that the dust can be prevented from being lifted again, the water with the dust can be discharged by opening the discharging pipe 15, the spring air bag 3 can be pressed back and forth by opening the valve 6, wind force can be generated through the air pipe 5 to blow the rotating blades 18, the rotating rod 11 can be driven to rotate, the two elastic balls 10 can be thrown by the two movable strips 7, the filter plate 19 can be impacted to vibrate, and the dust can be cleaned manually and rapidly when the dust is too much.

When in use, the first step is: the flue gas that can produce combustor 1 through tobacco pipe 2 carries heat recovery device to carry out heat recovery to carry out cyclic utilization for the heat in the flue gas, can filter impurity such as dust in the flue gas through two filter 19, can drive spring ball 10 when the flue gas passes through spring ball 10 simultaneously and produce and rock, spring ball 10 will constantly strike two filter 19 like this, thereby shake down the dust that will attach on filter 19, then the dust will get into collecting box 16 through two standpipe 17 and collect, thereby avoid impurity such as dust in the flue gas to attach in a large number on filter 19 and produce the jam.

And a second step of: can be to the injection water in the collection box 16 through opening water inlet pipe 13 to the dust that falls into in the collection box 16 will with the water fusion, just so can avoid the dust to lift up again, just can discharge the water that has the dust through opening discharging pipe 15, just can make a round trip to press spring gasbag 3 through opening valve 6, thereby can produce wind-force through trachea 5 and blow to rotatory leaf 18, just so can drive rotary rod 11 rotation, thereby can utilize two movable strip 7 to throw two elastic balls 10, thereby can strike filter 19 and make it produce vibrations, just so can be when the dust is too much artificial clear up the dust fast.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a low nitrogen mixes gas recirculation device for gas burner in advance, includes combustor (1), its characterized in that: fixedly connected with tobacco pipe (2) on combustor (1), tobacco pipe (2) right-hand member fixedly connected with heat recovery unit (8), fixedly mounted in tobacco pipe (2) has two filter (19), be provided with fixed strip (12) between two filter (19), both ends respectively with tobacco pipe (2) front and back inner wall fixed connection around fixed strip (12) are last movable run through have rotary rod (11), fixedly mounted with two movable strips (7) on rotary rod (11), equal fixed mounting has connecting rope (9) on two movable strips (7), equal fixed mounting has elastic ball (10) on two connecting rope (9), the left side of two filter (19) all is provided with standpipe (17), two standpipe (17) all with tobacco pipe (2) lower wall fixed connection, fixedly connected with collection box (16) on two standpipe (17).

2. A flue gas recirculation device for a low nitrogen premix gas burner as recited in claim 1, wherein: the upper wall of the smoke tube (2) is fixedly connected with an air tube (5), and the air tube (5) is fixedly connected with a spring air bag (3).

3. A flue gas recirculation device for a low nitrogen premix gas burner as recited in claim 2, wherein: the spring air bag (3) is fixedly connected with a one-way valve (4), the rotary rod (11) is fixedly provided with a rotary blade (18), and the rotary blade (18) is arranged right below the air pipe (5).

4. A flue gas recirculation device for a low nitrogen premix gas burner as recited in claim 2, wherein: the air pipe (5) is fixedly provided with a valve (6), and the collecting box (16) is internally and fixedly provided with a V-shaped plate (14).

5. A flue gas recirculation device for a low nitrogen premix gas burner as recited in claim 4, wherein: the V-shaped plate (14) is fixedly connected with a discharging pipe (15), the discharging pipe (15) fixedly penetrates through the lower wall of the collecting box (16), and the side wall of the collecting box (16) is fixedly connected with a water inlet pipe (13).

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