CN215982641U

CN215982641U - Explosion-proof ultralow nitrogen combustor

Info

Publication number: CN215982641U
Application number: CN202122349529.2U
Authority: CN
Inventors: 陆超
Original assignee: Qidong Explosion Proof Electric Appliance Co ltd
Current assignee: Qidong Explosion Proof Electric Appliance Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-03-08
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses an explosion-proof ultra-low nitrogen combustor which comprises a combustor main body, wherein one end of the combustor main body is connected with a gas pipe, an air inlet pipe is arranged on one side of the combustor main body, the top end of the combustor main body is connected with a flue gas structure, one end of the air inlet pipe is provided with a first motor, and one side, far away from the combustor main body, of the air inlet pipe is provided with a fan. According to the utility model, through the arrangement of the filter plates, the scraper plates, the collecting box and the flue gas pipe, flue gas generated in the boiler enters the flue gas pipe, enters the burner main body after being filtered by the two filter plates, and combustion matters doped in the flue gas stay on the filter plates, when the flue gas flows, the two groups of scraper plates are driven to rotate on the filter plates through the bearing sleeves, so that the accumulated combustion matters are scraped, and the combustion matters enter the collecting box through the discharge groove, so that the problem of burner explosion caused by the accumulation of the combustion matters in the flue gas is effectively solved.

Description

Explosion-proof ultralow nitrogen combustor

Technical Field

The utility model relates to the technical field of low-nitrogen combustors, in particular to an explosion-proof ultra-low-nitrogen combustor.

Background

The low-nitrogen combustor is equipment for increasing an air blower, an induced draft fan and a frequency converter of a traditional combustor, integrating a control valve and a plurality of circuits to enable clean energy and combustor operation to provide high-efficiency heat energy for a boiler.

When the existing burner is used, the content of nitrogen is reduced by using flue gas, and a plurality of combustion objects exist in the flue gas, and the combustion objects are accumulated in a large amount to cause the burner to explode, and when external airflow enters the inside of the burner, if flammable gas appears in the airflow, the explosion of the burner can be caused, so that the burner is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the accumulation of comburent in flue gas can cause the explosion of a burner and combustible gas is easily doped in airflow, and provides an explosion-proof ultra-low nitrogen burner to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an explosion-proof ultralow nitrogen combustor, includes the combustor main part, the one end of combustor main part is connected with the gas pipe, and one side of combustor main part is provided with the air-supply line, the top of combustor main part is connected with the flue gas structure, first motor is installed to air-supply line one end, and the air-supply line one side of keeping away from the combustor main part installs the fan, combustible gas detector is installed to the inner wall of air-supply line, the top of fan is provided with the gear, and the outer wall of fan is provided with the spout, the second motor is installed on the top of gear, and one side of gear is provided with the cover that shelters from, the output of first motor is provided with the purifying plate.

Preferably, the one end of gas pipe is provided with the combustion head, the both ends of purifying plate are provided with connecting rod, dwang respectively, the one end and the air-supply line of purifying plate pass through dwang swing joint, and the other end and the first motor of purifying plate pass through connecting rod fixed connection.

Preferably, the flue gas structure includes the flue gas pipe, collects box, row material groove, filter, scraper blade, row material pipe and bearing housing, and the top of combustor main part is connected with the flue gas pipe, the outer wall of flue gas pipe is provided with collects the box, and the inboard of flue gas pipe is provided with row material groove, the inner wall of flue gas pipe is fixed with the filter, the top of filter is provided with the bearing housing, the outer wall of bearing housing is provided with the scraper blade, the one end of collecting the box is provided with row material pipe.

Preferably, the number of the discharge grooves is two, the scraping plates are rotatably connected with the filter plates through bearing sleeves, and the number of the filter plates is two.

Preferably, the first motor and the air inlet pipe are fixedly connected through a mounting frame, the combustible gas detector and the second motor are electrically connected through a PLC (programmable logic controller), and the gear and the fan are rotatably connected through a rotating shaft.

Preferably, the inner wall of the shielding cover is provided with a sliding block, the shielding cover is movably connected with the fan through a sliding groove and the sliding block, and the outer wall of the shielding cover is provided with a tooth block.

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

1. according to the utility model, by arranging the filter plates, the scrapers, the collecting box and the flue gas pipe, flue gas generated in a boiler enters the flue gas pipe, enters the burner body after being filtered by the two filter plates, and combustion matters doped in the flue gas stay on the filter plates, and when the flue gas flows, the two groups of scrapers are driven to rotate on the filter plates through the bearing sleeves to scrape the accumulated combustion matters and enable the combustion matters to enter the collecting box through the discharge groove, so that the problem of burner explosion caused by accumulation of the combustion matters in the flue gas is effectively solved;

2. the utility model is provided with an air inlet pipe, a combustible gas detector, a purification plate, shielding covers and gears, wherein airflow enters the air inlet pipe through a fan, the combustible gas detector detects the airflow, if the occurrence of combustible gas is detected, a PLC controller controls a second motor to operate, so that the second motor drives the gears to rotate, the gears are meshed with a tooth block on one side of the shielding covers to drive the shielding covers to move on the outer sides of the fan through a sliding block on the inner wall and a sliding groove on the top end of the fan, so that the two shielding covers shield the air inlet groove of the fan, the air inlet amount is reduced, meanwhile, a first motor operates to drive the purification plate to rotate under the support of a rotating rod through a connecting rod, and the purification plate is vertical to the air inlet pipe, so that the purification plate purifies the passing airflow, and the purified airflow enters a burner main body, the combustion intensity is increased, and the problem that combustible gas is easily doped in the airflow is effectively solved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic top view of the present invention.

FIG. 3 is a schematic view of the structure of the flue gas of the present invention.

Fig. 4 is a schematic view of the structure of the intake duct of the present invention.

FIG. 5 is an enlarged view of A in FIG. 3 according to the present invention

In the figure: 1. a burner body; 2. a gas pipe; 3. a burner head; 4. a flue gas structure; 401. a flue gas pipe; 402. a collection box; 403. a discharge chute; 404. a filter plate; 405. a squeegee; 406. a discharge pipe; 407. a bearing housing; 5. an air inlet pipe; 6. a fan; 7. a first motor; 8. a purification plate; 9. a flammable gas detector; 10. a second motor; 11. a gear; 12. a shield cover; 13. a tooth block; 14. a chute.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of an explosion-proof ultra-low nitrogen burner provided by the present invention: the utility model provides an explosion-proof ultralow nitrogen combustor, including combustor main part 1, the one end of combustor main part 1 is connected with gas pipe 2, and one side of combustor main part 1 is provided with air-supply line 5, the top of combustor main part 1 is connected with fume structure 4, first motor 7 is installed to air-supply line 5 one end, and air-supply line 5 keeps away from one side of combustor main part 1 and installs fan 6, combustible gas detector 9 is installed to the inner wall of air-supply line 5, the top of fan 6 is provided with gear 11, and fan 6's outer wall is provided with spout 14, second motor 10 is installed on gear 11's top, and one side of gear 11 is provided with shelters from cover 12, the output of first motor 7 is provided with purifying plate 8.

The one end of gas pipe 2 is provided with combustion head 3, the both ends of purifying plate 8 are provided with the connecting rod respectively, the dwang, the one end and the air-supply line 5 of purifying plate 8 pass through dwang swing joint, and the other end and the first motor 7 of purifying plate 8 pass through connecting rod fixed connection, combustion head 3 is used for the output of flame, the operation of the first motor 7 of control, it drives purifying plate 8 through the connecting rod and rotates under the support of dwang, and make purifying plate 8 perpendicular with air-supply line 5, thereby make purifying plate 8 purify the air current of process.

The flue gas structure 4 comprises a flue gas pipe 401, a collecting box 402, a discharging groove 403, filter plates 404, scraping plates 405, a discharging pipe 406 and a bearing sleeve 407, the top end of the burner body 1 is connected with the flue gas pipe 401, the outer wall of the flue gas pipe 401 is provided with the collecting box 402, the inner side of the flue gas pipe 401 is provided with the discharging groove 403, the inner wall of the flue gas pipe 401 is fixed with the filter plates 404, the top end of the filter plates 404 is provided with the bearing sleeve 407, the outer wall of the bearing sleeve 407 is provided with the scraping plates 405, one end of the collecting box 402 is provided with the discharging pipe 406, flue gas generated in a boiler enters the flue gas pipe 401, enters the burner body 1 after being filtered by the two filter plates 404, and combustion matters doped in the flue gas stay on the filter plates 404, when the flue gas flows, the two groups of scraping plates 405 are driven to rotate on the filter plates 404 through the bearing sleeve 407 to scrape the accumulated combustion matters, and the combustion matters enter the collecting box 402 through the discharging groove 403, when the amount of the combustion products in the collection box 402 is excessive, the combustion products can flow out through the discharge pipe 406 and be collected.

The quantity of blow off groove 403 is two sets of, and the scraper blade 405 passes through bearing housing 407 with filter 404 and rotates to be connected, and the quantity of filter 404 is two, and the comburent enters into through blow off groove 403 and collects in collecting box 402, collects, and when the flue gas flows, drives two sets of scraper blades 405 and rotates on filter 404 through bearing housing 407, scrapes accumulational comburent.

The first motor 7 is fixedly connected with the air inlet pipe 5 through a mounting rack, the inflammable gas detector 9 is electrically connected with the second motor 10 through a PLC controller, the gear 11 is rotatably connected with the fan 6 through a rotating shaft, the first motor 7 is fixed at one end of the air inlet pipe 5 through the mounting rack, the first motor 7 operates to drive the purifying plate 8 to rotate under the support of the rotating rod through the connecting rod, and the purifying plate 8 is perpendicular to the air inlet pipe 5, so that the purifying plate 8 purifies passing air flow, the air flow enters the air inlet pipe 5 through the fan 6, at the moment, the inflammable gas detector 9 detects the air flow, if the inflammable gas is detected, the second motor 10 is controlled to operate through the PLC controller, the second motor 10 drives the gear 11 to rotate, the gear 11 is meshed with the tooth block 13 at one side of the shielding cover 12, and the shielding cover 12 is driven to move outside the fan 6 through the slide block of the inner wall and the slide groove 14 at the top end of the fan 6, therefore, the two shielding covers 12 shield the air inlet groove of the fan 6, and the air inlet amount is reduced.

The inner wall of the shielding cover 12 is provided with a sliding block, the shielding cover 12 and the fan 6 are connected through a sliding groove 14 and a sliding block in a movable mode, the outer wall of the shielding cover 12 is provided with a tooth block 13, the second motor 10 drives the gear 11 to rotate, the gear 11 is meshed with the tooth block 13 on one side of the shielding cover 12, the sliding groove 14, through which the shielding cover 12 passes, on the top end of the fan 6 is driven to move outside the fan 6, and therefore the two shielding covers 12 shield the air inlet groove of the fan 6.

The working principle is as follows: when the utility model is used, the utility model needs to be understood by a simple structure, firstly, as shown in fig. 1 and fig. 3, flue gas generated in a boiler enters a flue gas pipe 401, after being filtered by two filter plates 404, enters the burner main body 1, and the combustion matters doped in the flue gas stay on the filter plates 404, when the flue gas flows, two groups of scraping plates 405 are driven to rotate on the filter plates 404 through bearing sleeves 407, the accumulated combustion matters are scraped, and the combustion matters enter the collecting box 402 through the discharging groove 403, when the combustion matters in the collecting box 402 are excessive, the combustion matters can flow out through the discharging pipe 406 to be collected, so that the combustion matters can be prevented from entering the burner main body 1, and the occurrence of explosion is prevented.

As shown in fig. 2 and 4, the airflow enters the air inlet pipe 5 through the fan 6, and the flammable gas detector 9 detects the airflow, and if the presence of flammable gas is detected, the second motor 10 is controlled by the PLC controller to operate, so that the second motor 10 drives the gear 11 to rotate, the gear 11 is engaged with the gear block 13 on one side of the shielding cover 12, and the shielding cover 12 is driven to move outside the fan 6 through the slide block on the inner wall and the slide groove 14 on the top end of the fan 6, so that the two shielding covers 12 shield the air inlet slot of the fan 6 to reduce the air inlet amount, and simultaneously, the first motor 7 operates to drive the purification plate 8 to rotate under the support of the rotating rod through the connecting rod, and the purification plate 8 is perpendicular to the air inlet pipe 5, thereby, the purifying plate 8 purifies the passing air flow, and the purified air flow enters the burner body 1, thereby increasing the combustion intensity.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An explosion-proof ultralow nitrogen burner, includes combustor main part (1), its characterized in that: the one end of combustor main part (1) is connected with gas pipe (2), and one side of combustor main part (1) is provided with air-supply line (5), the top of combustor main part (1) is connected with fume structure (4), first motor (7) are installed to air-supply line (5) one end, and one side that combustor main part (1) was kept away from in air-supply line (5) installs fan (6), combustible gas detector (9) are installed to the inner wall of air-supply line (5), the top of fan (6) is provided with gear (11), and the outer wall of fan (6) is provided with spout (14), second motor (10) are installed on the top of gear (11), and one side of gear (11) is provided with shelters from cover (12), the output of first motor (7) is provided with purifying plate (8).

2. An explosion-proof ultra-low nitrogen burner as set forth in claim 1, wherein: the one end of gas pipe (2) is provided with combustion head (3), the both ends of purifying plate (8) are provided with connecting rod, dwang respectively, the one end and air-supply line (5) of purifying plate (8) pass through dwang swing joint, and the other end and first motor (7) of purifying plate (8) pass through connecting rod fixed connection.

3. An explosion-proof ultra-low nitrogen burner as set forth in claim 1, wherein: flue gas structure (4) include flue gas pipe (401), collect box (402), arrange material groove (403), filter (404), scraper blade (405), arrange material pipe (406) and bearing housing (407), and the top of combustor main part (1) is connected with flue gas pipe (401), the outer wall of flue gas pipe (401) is provided with collects box (402), and the inboard of flue gas pipe (401) is provided with row material groove (403), the inner wall of flue gas pipe (401) is fixed with filter (404), the top of filter (404) is provided with bearing housing (407), the outer wall of bearing housing (407) is provided with scraper blade (405), the one end of collecting box (402) is provided with row material pipe (406).

4. An explosion-proof ultra-low nitrogen burner as set forth in claim 3, wherein: the quantity of row material groove (403) is two sets of, scraper blade (405) and filter plate (404) are connected through bearing housing (407) rotation, the quantity of filter plate (404) is two.

5. An explosion-proof ultra-low nitrogen burner as set forth in claim 1, wherein: first motor (7) and air-supply line (5) pass through mounting bracket fixed connection, combustible gas detector (9) and second motor (10) pass through PLC controller electric connection, gear (11) are connected through the pivot rotation with fan (6).

6. An explosion-proof ultra-low nitrogen burner as set forth in claim 1, wherein: the inner wall of the shielding cover (12) is provided with a sliding block, the shielding cover (12) is movably connected with the fan (6) through a sliding groove (14) and the sliding block, and the outer wall of the shielding cover (12) is provided with a tooth block (13).