CN220582483U - Combustion-supporting air pressure stabilizing device for heating furnace - Google Patents

Abstract

The utility model relates to the technical field of heating furnaces and discloses a combustion-supporting air pressure stabilizing device for a heating furnace, which comprises a combustion-supporting air pipe, wherein the lower side of the combustion-supporting air pipe is connected with a plurality of branch pipes, the air inlet end of the combustion-supporting air pipe is connected with a combustion-supporting fan, the inner sides of the branch pipes are respectively provided with a limiting chute which extends vertically, the inner sides of the branch pipes are also provided with a wind shield, the wind shield is in sliding connection with the branch pipes through the limiting chutes, the branch pipes are provided with adjusting mechanisms, and the adjusting mechanisms can adjust the wind shield to move up and down along the limiting chutes. The combustion-supporting air pressure stabilizing device can fully ensure the stability of a combustion system, and has the advantages of low cost, simple maintenance and no safety risk.

Description

Combustion-supporting air pressure stabilizing device for heating furnace

Technical Field

The utility model belongs to the technical field of heating furnaces, and particularly relates to a combustion-supporting air pressure stabilizing device for a heating furnace.

Background

With the deterioration of the domestic and international market environment, the domestic product competition is further aggravated, the importance of the scale benefit is more remarkable, and the high-efficiency output is the key point of the current work. When the heating furnace combustion system works at high power, the burner is unstable in combustion due to unstable combustion air caused by the fact that the distance between the combustion air pipe and the combustion fan is different. In the past, the problem of unstable combustion-supporting air is solved mainly by adjusting a branch air valve and reducing the air supply quantity. However, reducing the air supply quantity can affect the maximum combustion power of the burner, so that uneven temperature rise and slow temperature rise are caused, the high-efficiency output of production is seriously affected, and larger economic loss is caused. The unstable fluctuation of wind pressure is large, so that frequent flameout of the burner is easy to occur, and a false fire phenomenon is caused, so that a large amount of natural gas enters the combustion furnace, and deflagration or explosion is easy to occur.

Therefore, a combustion-supporting air pressure stabilizing device for a heating furnace is urgently needed, and the combustion-supporting air pressure stabilizing device is used for stabilizing combustion-supporting air and ensuring normal operation of a combustion system.

Disclosure of Invention

In view of the above, the utility model aims to provide a combustion-supporting air pressure stabilizing device for a heating furnace, which aims to solve the problems of large pressure fluctuation of combustion-supporting air of the existing combustion furnace and unstable combustion of a burner.

The utility model solves the technical problems by the following technical means:

the utility model provides a combustion-supporting wind voltage regulator for heating furnace, includes the combustion-supporting tuber pipe, the combustion-supporting tuber pipe downside is connected with a plurality of spinal branch pipes, the inlet end and the combustion-supporting fan of combustion-supporting tuber pipe are connected, the spacing spout of vertical extension has all been seted up to the branch pipe inboard, the branch pipe inboard still is equipped with the deep bead, the deep bead passes through spacing spout and branch pipe sliding connection, install adjustment mechanism on the branch pipe, adjustment mechanism can adjust the deep bead and reciprocate along spacing spout.

Further, the wind shield comprises a vertical baffle and an inclined baffle which are arranged in an arc shape, and the upper end of the vertical baffle is fixedly connected with the inclined baffle.

By means of the structural design, the branch pipes of each path can be split through the wind shield.

Further, adjustment mechanism includes the fixing base with branch pipe fixed connection, be equipped with two backup pads on the fixing base, two rotate between the backup pad and be connected with the pivot, be equipped with the gear in the pivot, backup pad fixedly connected with handle is stretched out to pivot one end, logical groove has been seted up to the position that the branch pipe corresponds the gear, vertical extension's tooth's socket has been seted up to the position that the deep bead corresponds logical groove, the gear stretches into logical groove and meshes with the tooth on the tooth's socket mutually, still be equipped with positioning mechanism in the backup pad, positioning mechanism can restrict the pivot and rotate to fixed deep bead.

The structure design can flexibly adjust the height of the wind shield according to the requirement.

Further, the positioning mechanism comprises a limit nut, the limit nut is arranged at one end, close to the handle, of the rotating shaft, and the limit nut is in threaded connection with the rotating shaft.

By means of the structural design, the wind shield can be fixed through the limit nut.

Further, scale mark lines are arranged on the tooth grooves.

By means of the structural design, the relative height of the wind shield can be observed in real time through the scale mark lines.

The beneficial effects are that:

1. the combustion-supporting air pressure stabilizing device is provided with the wind shield, the fixing seat, the supporting plate, the rotating shaft, the gear, the through groove, the tooth groove and the limiting nut, and the height of the wind shield can be flexibly adjusted according to requirements.

2. According to the combustion-supporting air pressure stabilizing device, the wind shields on the branch pipes are arranged in a staggered mode step by step, and the wind shields are sequentially lifted from the air supply opening to the rear, so that the problems of uneven air quantity of the branch pipes, large pressure fluctuation of the combustion-supporting air and unstable combustion of the burner are solved.

3. The combustion-supporting air pressure stabilizing device has the advantages of low cost, simplicity in maintenance and no safety risk; after the combustion-supporting air pressure stabilizing device is installed, the stability of a combustion system can be fully ensured, meanwhile, the working intensity of maintenance personnel is effectively reduced, the fault frequency of a burner is greatly reduced, the energy loss is reduced, and a very ideal effect is obtained.

Drawings

FIG. 1 is a front sectional view of a combustion air pressure stabilizing apparatus for a heating furnace according to the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a top cross-sectional view of a manifold;

reference numerals in the drawings are as follows: the air conditioner comprises a combustion-supporting air pipe 1, a branch pipe 2, a wind shield 3, a vertical baffle 4, an inclined baffle 5, a fixed seat 6, a supporting plate 7, a rotating shaft 8, a gear 9, a through groove 10, tooth grooves 11 and a limit nut 12.

Detailed Description

The following embodiments of the present utility model are described in terms of specific examples, and those skilled in the art will appreciate the advantages and capabilities of the present utility model from the disclosure herein. It should be noted that, the illustrations provided in the following embodiments are for illustration only, and are shown in schematic drawings, not physical drawings, and are not to be construed as limiting the utility model, and in order to better illustrate the embodiments of the utility model, certain components in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration, and should not be construed as limiting the present utility model, and that the specific meanings used above may be understood by those of ordinary skill in the art according to circumstances.

As shown in fig. 1-3, the combustion-supporting air pressure stabilizing device for the heating furnace comprises a combustion-supporting air pipe 1, wherein a plurality of branch pipes 2 are connected to the lower side of the combustion-supporting air pipe 1, the air inlet end of the combustion-supporting air pipe 1 is connected with a combustion-supporting fan, the diameter of the combustion-supporting air pipe 1 in the implementation is 500mm, and the diameter of each branch pipe 2 is 100mm. The limiting sliding grooves extending vertically are formed in the inner side of each branch pipe 2, the wind shields 3 extending into the combustion-supporting air pipes 1 are further arranged in the inner sides of the branch pipes 2, and the wind shields 3 are in sliding connection with the branch pipes 2 through the limiting sliding grooves. The deep bead 3 is including being perpendicular baffle 4 and the inclined baffle 5 that arc set up, erects baffle 4 upper end and inclined baffle 5 fixed connection, and the thickness of deep bead 3 is 6mm in this implementation, and the height of perpendicular baffle 4 is 500mm. And each branch pipe 2 is provided with an adjusting mechanism which can adjust the wind deflector 3 to move up and down along the limiting chute.

The adjusting mechanism comprises a fixed seat 6 fixedly connected with the branch pipe 2, two mutually parallel supporting plates 7 are arranged on the fixed seat 6, a rotating shaft 8 is rotatably connected between the two supporting plates 7, a gear 9 is fixedly connected to the middle of the rotating shaft 8, one end of the rotating shaft 8 extends out of the supporting plate 7 and is fixedly connected with a handle, a through groove 10 is formed in the position, corresponding to the gear 9, of the branch pipe 2, a tooth groove 11 which extends vertically is formed in the position, corresponding to the through groove 10, of the wind shield 3, the gear 9 extends into the through groove 10 to be meshed with teeth on the tooth groove 11, and scale mark lines are arranged on the surface of the tooth groove 11. The supporting plate 7 is also provided with a positioning mechanism which can limit the rotation of the rotating shaft 8 so as to fix the wind shield 3. The positioning mechanism of the embodiment is a limit nut 12, the limit nut 12 is arranged at one end of the rotating shaft 8 close to the handle, and the limit nut 12 is in threaded connection with the rotating shaft 8.

When the combustion-supporting air of the heating furnace needs to be stabilized, the height of the wind guard plate 3 of each branch pipe 2 is adjusted according to the situation, so that the air quantity of each branch pipe is uniform, the combustion-supporting air of each burner is stable, and the combustion stability of the burner is ensured. In this embodiment, the wind guard 3 of each branch pipe 2 is raised by 50mm from the air supply port backward in sequence, for example, the first branch pipe 2 of which the right side is close to the combustion fan, the part of the wind guard 3 on the first branch pipe 2 extending into the combustion air duct 1 is 100mm in height, the part of the wind guard 3 on the second branch pipe 2 on the right side extending into the combustion air duct 1 is 150mm in height, and so on. The specific steps for adjusting the height of the wind deflector 3 are as follows: the handle is rotated, the handle drives the rotating shaft 8 and the gear 9 to rotate, the gear 9 is meshed with teeth on the tooth grooves 11, the wind shield 3 is driven to move up and down along the limiting sliding grooves, the scale mark lines are referenced, after the wind shield 3 is moved to the target position, the limiting nut 12 is screwed, the limiting nut 12 is abutted against the support, the rotating shaft 8 is limited to rotate, the wind shield 3 is fixed, and the height of the wind shield 3 can be flexibly adjusted according to the conditions in the subsequent use process.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model. The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.

Claims (5)

1. The utility model provides a combustion-supporting wind voltage stabilizer for heating furnace, includes combustion-supporting tuber pipe (1), combustion-supporting tuber pipe (1) downside is connected with a plurality of spinal branch pipes (2), the inlet end and the combustion-supporting fan of combustion-supporting tuber pipe (1) are connected, its characterized in that: the utility model discloses a wind deflector, including branch pipe (2), limiting chute, adjusting mechanism, guiding mechanism and guiding mechanism, vertical spacing spout that extends has all been seted up to branch pipe (2) inboard, branch pipe (2) inboard still is equipped with deep bead (3), deep bead (3) are through limiting chute and branch pipe (2) sliding connection, install adjustment mechanism on branch pipe (2), adjustment mechanism can adjust deep bead (3) along limiting chute reciprocates.

2. The combustion air pressure stabilizing device for a heating furnace according to claim 1, wherein: the wind shield (3) comprises a vertical baffle (4) and an inclined baffle (5) which are arranged in an arc shape, and the upper end of the vertical baffle (4) is fixedly connected with the inclined baffle (5).

3. The combustion air pressure stabilizing device for a heating furnace according to claim 1, wherein: the utility model provides a wind deflector, including branch pipe (2) fixed connection's fixing base (6), be equipped with two backup pad (7) on fixing base (6), two rotate between backup pad (7) and be connected with pivot (8), be equipped with gear (9) on pivot (8), backup pad (7) fixedly connected with handle is stretched out to pivot (8) one end, logical groove (10) have been seted up to the position that branch pipe (2) corresponds gear (9), tooth's socket (11) of vertical extension have been seted up to the position that logical groove (10) are corresponded to wind deflector (3), gear (9) stretch into logical groove (10) and tooth on tooth's socket (11) mesh, still be equipped with positioning mechanism on backup pad (7), positioning mechanism can restrict pivot (8) rotation to fixed wind deflector (3).

4. A combustion air pressure stabilizing device for a heating furnace according to claim 3, wherein: the positioning mechanism comprises a limit nut (12), wherein the limit nut (12) is arranged at one end, close to the handle, of the rotating shaft (8), and the limit nut (12) is in threaded connection with the rotating shaft (8).

5. A combustion air pressure stabilizing device for a heating furnace according to claim 3, wherein: the tooth grooves (11) are provided with scale mark lines.