CN219140483U - Nitrogen conveying device for low-nitrogen burner - Google Patents

Abstract

The utility model discloses a nitrogen conveying device for a low-nitrogen combustor, which comprises a pipeline, wherein the right end of the front side of the pipeline is penetrated and fixedly connected with an air inlet shell, the front end of the inside of the air inlet shell is fixedly connected with a connecting block, the rear side of the connecting block is fixedly connected with a fixing rod, a spring is arranged on the fixing rod, the rear end of the fixing rod is connected with a pressing plate in a sliding manner, the rear end of the air inlet shell is fixedly connected with a limiting ring, the front side of the air inlet shell is fixedly connected with an air pipe, the left end of the front side of the pipeline is fixedly connected with a protective shell, the top end of the protective shell is fixedly connected with a hinge and a shell cover, the right end of the protective shell is penetrated and in threaded connection with a screw pipe, the left end of the screw pipe is fixedly connected with a gas storage bag, and the left end of the rear side of the gas storage bag is in threaded connection with a one-way valve. In the utility model, the pressure in the pipeline is relieved by discharging the redundant air pressure into the air storage bag, so that the condition that the pipeline is expanded or damaged is avoided.

Description

Nitrogen conveying device for low-nitrogen burner

Technical Field

The utility model relates to the technical field of nitrogen delivery, in particular to a nitrogen delivery device for a low-nitrogen combustor.

Background

The low-nitrogen burner is equipment which integrates a blower, a draught fan, a frequency converter, a control valve and a plurality of circuits which are added to the traditional burner, so that clean energy and burner operation can provide more efficient heat energy for a boiler.

Most of nitrogen delivery devices used in the current low-nitrogen burner are hard pipes, and in the transportation process of the pipelines, the internal space of the pipelines is fixed, so that the pipelines are easy to expand or damage after being pressed, the service life of the pipelines is reduced, and meanwhile, the economic cost is increased.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a nitrogen conveying device for a low-nitrogen combustor.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a nitrogen gas conveyor for low nitrogen combustor, includes the pipeline, pipeline front side right-hand member runs through and fixedly connected with shell that admits air, the inside front end fixedly connected with connecting block of shell that admits air, connecting block rear side fixedly connected with dead lever, be provided with the spring on the dead lever, sliding connection has the clamp plate on the dead lever rear end, shell rear end fixedly connected with spacing ring admits air, shell front side central point department runs through and fixedly connected with trachea, pipeline front side left end fixedly connected with protective housing, protective housing top fixedly connected with hinge, hinge front end fixedly connected with cap, the protective housing right-hand member runs through and threaded connection has the screwed pipe, screwed pipe left end fixedly connected with gas storage bag, gas storage bag rear side left end threaded connection check valve.

As a further description of the above technical solution:

and the right side of the pipeline is fixedly connected with a flange plate.

As a further description of the above technical solution:

the front end and the rear end of the spring are fixedly connected with the connecting block and the pressing plate respectively.

As a further description of the above technical solution:

the front side of the limiting ring is clung to but not connected with the pressing plate.

As a further description of the above technical solution:

the air pipe is in threaded connection with the screw pipe.

As a further description of the above technical solution:

the gas storage bag is arranged in the protective shell.

As a further description of the above technical solution:

the one-way valve penetrates through the protective shell and the pipeline respectively and is fixedly connected.

The utility model has the following beneficial effects:

according to the utility model, the gas storage bag is arranged on the pipeline at first, when the pressure in the pipeline is increased, the gas can impact and push the pressing plate arranged in the pipeline, so that the central position of the limiting ring is opened, meanwhile, when the pressure in the pipeline is reduced, the spring arranged on the pressing plate can rebound to push the pressing plate back to the original position, after the limiting ring is opened, the gas enters the front-end fixed protective shell through the limiting ring and continuously enters the front-end gas pipe, the gas is conveyed into the gas storage bag through the gas pipe for storage, the gas storage bag is connected with the gas pipe through the screw pipe, the gas storage bag can be detached from the gas pipe through the rotary separation of the screw rod and the gas pipe, the other end of the gas storage bag is provided with the one-way valve penetrating into the pipeline, and under the condition that the pressure in the pipeline is reduced, the gas in the gas storage bag can enter the pipeline again through the one-way valve, so that the condition that the gas storage bag is excessively exploded is avoided, and the gas leakage condition caused by the explosion of the gas storage bag is avoided, and the gas storage bag is wrapped by the protective shell at the outer periphery of the gas storage bag, the gas storage bag is prevented from being influenced by the outer periphery, the gas storage bag is prevented from being wrapped, and the pipeline is prevented from being broken, and the service life of the pipeline is prolonged due to the pipeline in the use process.

Drawings

FIG. 1 is a front view of a nitrogen delivery device for a low nitrogen combustor in accordance with the present utility model;

FIG. 2 is a rear view of a nitrogen delivery device for a low nitrogen burner in accordance with the present utility model;

FIG. 3 is an exploded view of an inlet housing of a nitrogen delivery device for a low nitrogen burner according to the present utility model;

FIG. 4 is an internal view showing a protective casing of a nitrogen delivery device for a low nitrogen burner according to the present utility model;

fig. 5 is a rear view of a protective shell of a nitrogen delivery device for a low nitrogen burner according to the present utility model.

Legend description:

1. a pipe; 2. a flange plate; 3. an air inlet shell; 4. a limiting ring; 5. a connecting block; 6. a fixed rod; 7. a spring; 8. a pressing plate; 9. an air pipe; 10. a protective shell; 11. a hinge; 12. a cover; 13. a solenoid; 14. a gas storage bag; 15. a one-way valve.

Detailed Description

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.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a nitrogen gas conveyor for low nitrogen combustor, including pipeline 1, pipeline 1 front side right-hand member runs through and fixedly connected with inlet casing 3, inlet casing 3 inside front end fixedly connected with connecting block 5, connecting block 5 rear side fixedly connected with dead lever 6, be provided with spring 7 on the dead lever 6, sliding connection has clamp plate 8 on the dead lever 6 rear end, clamp plate 8 can slide on the dead lever 6 through the impact of gas, inlet casing 3 rear end fixedly connected with spacing ring 4 restricts clamp plate 8, inlet casing 3 front side central point puts department and runs through and fixedly connected with trachea 9, pipeline 1 front side left end fixedly connected with protective housing 10, protective housing 10 top fixedly connected with hinge 11, hinge 11 front end fixedly connected with cap 12, cap 12 rotates on protective housing 10 through hinge 11, open the inside of protective housing 10, protective housing 10 right-hand member runs through and threaded connection has solenoid 13, solenoid 13 left end fixedly connected with gas storage bag 14, make gas storage 14 dismantle from protective housing 10, left side fixedly connected with spacing ring 4 limits clamp plate 8, simultaneously make gas storage bag 14 release one-way valve 14 and air storage bag 14 through the inside of the air storage bag 14, simultaneously, can make one-way valve 15 is opened to the gas storage bag 14.

The flange plate 2 is fixedly connected to the right side of the pipeline 1, the flange plate 2 is a connecting disc which is commonly used on the pipeline 1 and is connected with other structural objects, the front end and the rear end of the spring 7 are fixedly connected with the connecting block 5 and the pressing plate 8 respectively, the spring 7 can be extruded while the pressing plate 8 is impacted and slid by gas, the spring 7 can rebound to push the pressing plate 8 back to the original position, the front side of the limiting ring 4 is tightly attached to but not connected with the pressing plate 8, the air pipe 9 is in threaded connection with the screw pipe 13, the air storage bag 14 is arranged in the protective shell 10, the air storage bag 14 is isolated from the outside through the protective shell 10, the air storage bag 14 is prevented from being broken due to air leakage caused by the influence of the outside, and the one-way valve 15 penetrates through the protective shell 10 and the pipeline 1 respectively and is fixedly connected, so that the gas discharged by the air storage bag 14 can be returned to the pipeline 1 again for continuous transportation.

Working principle: firstly, install pipeline 1 on low nitrogen combustor through ring flange 2, afterwards, the transportation of nitrogen gas begins, in order to prevent pipeline 1 in the transportation process from being in order to prevent pipeline 1 internal pressure too big and lead to the circumstances that pipeline 1 breaks, consequently be provided with in pipeline 1 and advance shell 3, when the pressure in pipeline 1 inside increases, the clamp plate 8 that sets up in advance shell 3 can be pushed away by the pressure slip on dead lever 6, open the center of spacing ring 4, then gas can enter into in advance shell 3 through spacing ring 4 in, when pressure reduces, spring 7 on clamp plate 8 can rebound to clamp plate 8, block up spacing ring 4 center, the gas that simultaneously enters into in advance shell 3 can be through trachea 9, rethread screwed pipe 13 is stored in gas storage bag 14, when the pressure in pipeline 1 inside reduces, gas storage bag 14 can be to the check valve 15 of the other end connection with too much gas re-discharge in pipeline 1 inside, in order to avoid gas storage bag 14 storage volume too much to lead to the explosion, the outside of gas storage bag 14 has set up protective housing 10 simultaneously and has been protected it, the gas storage bag 14 can be protected outside, the condition that the outside is influenced by the shell housing 10, can be changed the gas storage bag 14 through hinge 11, the air storage bag 14 is convenient for the people can be changed to the gas storage bag 14, the air bag is taken out through the hinge is convenient to take place.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. Nitrogen delivery device for low nitrogen burner, comprising a pipe (1), characterized in that: the utility model discloses a pipeline (1), pipeline (1) front side right-hand member runs through and fixedly connected with shell (3) that admits air, the inside front end fixedly connected with connecting block (5) of shell (3) that admits air, connecting block (5) rear side fixedly connected with dead lever (6), be provided with spring (7) on dead lever (6), sliding connection has clamp plate (8) on dead lever (6) rear end, shell (3) rear end fixedly connected with spacing ring (4) admits air, shell (3) front side central point department runs through and fixedly connected with trachea (9), pipeline (1) front side left end fixedly connected with protective housing (10), protective housing (10) top fixedly connected with hinge (11), hinge (11) front end fixedly connected with cap (12), protective housing (10) right-hand member runs through and threaded connection has screwed connection solenoid (13), screwed connection has gas storage bag (14) in left side left end screw thread connection check valve (15).

2. A nitrogen delivery device for a low nitrogen burner as recited in claim 1, wherein: the right side of the pipeline (1) is fixedly connected with a flange plate (2).

3. A nitrogen delivery device for a low nitrogen burner as recited in claim 1, wherein: the front end and the rear end of the spring (7) are fixedly connected with the connecting block (5) and the pressing plate (8) respectively.

4. A nitrogen delivery device for a low nitrogen burner as recited in claim 1, wherein: the front side of the limiting ring (4) is clung to but not connected with the pressing plate (8).

5. A nitrogen delivery device for a low nitrogen burner as recited in claim 1, wherein: the air pipe (9) is in threaded connection with the screw pipe (13).

6. A nitrogen delivery device for a low nitrogen burner as recited in claim 1, wherein: the gas storage bag (14) is arranged in the protective shell (10).

7. A nitrogen delivery device for a low nitrogen burner as recited in claim 1, wherein: the one-way valve (15) respectively penetrates through the protective shell (10) and the pipeline (1) and is fixedly connected.

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