CN217928752U - Dense-dilute combustion fire grate - Google Patents

Abstract

The utility model discloses a thick and thin burning fire row, including the organism, set up the perpendicular groove that is linked together with the intake pipe in the organism, and set up in the organism and erect the adjustment tank that the groove is linked together, erect and rotate in the groove and install the rotation axis, the key connection has the driving gear on the rotation axis, erects the driven rack that is provided with the spring that is connected respectively in the groove and is used for controlling the intake pipe size of admitting air and is connected with the driving gear meshing, is provided with the fixed establishment who is used for fixed rotation axis in the adjustment tank. The utility model discloses a rotate the rotation axis and extend to the outer one end of organism, let driven rack slide from top to bottom in erecting the groove, and driven rack lower extreme position slides in the intake pipe to adjust the degree of opening of intake pipe, and then change fuel combustion efficiency. Through extrudeing the diaphragm downwards, let first magnet and second magnet heteropolarity attract each other, will go up the stopper and be connected with the stopper cooperation down to fix the rotation axis between last stopper and lower stopper, stabilize the position of driven rack.

Description

Dense-dilute combustion fire grate

Technical Field

The utility model relates to a burning fire row technical field especially relates to thick and thin burning fire row.

Background

Nitrogen oxides are produced when fossil fuels (such as petroleum, coal, natural gas, etc.) are burned with oxygen at high temperatures. NO and NOx in the nitrogen oxides are gases with strong toxicity, the national institute sets the emission standard of the nitrogen oxides of the civil gas appliance, and manufacturers pay great attention to the generation of the nitrogen oxides in the design and production links of the gas appliance.

When the fossil fuel is combusted, the combustion efficiency is different due to different air flow rates contacted with the fuel, so that the combustion degree of the fuel can be controlled while the air flow rate is controlled, but the conventional air flow rate control has a complicated internal structure, and impurities generated by combustion are easily adhered to a complicated and zigzag air inlet pipeline in long-time use, so that the air flow rate entering the air inlet pipeline is gradually reduced, and the combustion efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the structure for controlling the air flow is complex and not beneficial to use in the prior art, and the proposed thick and thin burning fire grate.

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

dense-dilute combustion fire grate comprises a machine body, wherein a mixing chamber used for mixing air and fuel is arranged in the machine body, an air inlet pipe used for conveying external air, a fuel pipe connected with a fuel source and a conveying pipe used for conveying the mixed air and the fuel are fixedly arranged in the machine body, a vertical groove communicated with the air inlet pipe is arranged in the machine body, an adjusting groove communicated with the vertical groove is arranged in the machine body, a rotating shaft is rotatably arranged in the vertical groove, a driving gear is connected to the rotating shaft in a key mode, a spring connected with the spring and a driven rack used for controlling the air inlet pipe to be large or small and connected with the driving gear in a meshed mode are arranged in the vertical groove, and a fixing mechanism used for fixing the rotating shaft is arranged in the adjusting groove.

Preferably, the air inlet pipe, the fuel pipe and the delivery pipe are all communicated with the mixing chamber, and the air inlet pipe, the fuel pipe and the delivery pipe are all provided with check valves in a matching way.

Preferably, the rotating shaft extends to the outside of the machine body through an adjusting groove, the spring is longitudinally welded in the vertical groove, the driven rack is vertically sleeved in the vertical groove in a sliding mode, and the lower end of the driven rack is movably abutted to the inner wall of the air inlet pipe.

Preferably, fixed establishment is including offering in the organism and the sliding tray that communicates mutually with the adjustment tank, fixedly connected with and the lower spacing piece that the rotation axis corresponds in the adjustment tank, set up the spacing groove in the spacing piece down, fixed mounting has first magnet in the spacing groove, the slip cap is equipped with the movable rod of being connected with the spacing groove in the sliding tray, fixedly connected with and lower spacing piece cooperation installation and the last spacing piece that corresponds with the rotation axis on the movable rod, and fixedly connected with is used for going up and down the diaphragm of spacing piece on the movable rod, fixed mounting has the second magnet that corresponds with first magnet on the movable rod.

Preferably, the arc surface of the upper end of the lower limiting block movably abuts against the lower end of the rotating shaft, and the first magnet and the second magnet are opposite poles and attract each other.

Preferably, the lower end of the movable rod is slidably sleeved in the limit groove, the movable rod extends out of the machine body through the slide groove, and the lower end arc surface of the upper limit block movably abuts against the upper end of the rotating shaft.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a rotate the rotation axis and extend to the outer one end of organism, let driven rack slide from top to bottom in erecting the groove, and driven rack lower extreme position slides in the intake pipe to adjust the degree of opening of intake pipe, and then change fuel combustion efficiency, utilize straight-going pipeline and driven rack cooperation to use, control air flow, influence air flow's problem with the very easy adhesion burning impurity of solution complicated crooked pipeline.

2. The utility model discloses a downward extrusion diaphragm, diaphragm drive movable rod slide downwards in the sliding tray, let first magnet and second magnet heteropolar attract mutually, will go up the stopper and be connected with the cooperation of stopper down to fix the rotation axis between last stopper and stopper down, stabilize the position of driven rack.

Drawings

Fig. 1 is a schematic structural view of a thick and thin combustion fire grate provided by the present invention;

fig. 2 is an enlarged schematic view of a part a of the structure of the thick and thin combustion fire grate of the present invention;

fig. 3 is the upper limit block and the lower limit block of the thick and thin burning fire grate of the utility model.

In the figure: 1. a body; 2. an air inlet pipe; 3. a fuel tube; 4. a mixing chamber; 5. a delivery pipe; 6. a vertical slot; 7. an adjustment groove; 8. a sliding groove; 9. a lower limiting block; 10. a limiting groove; 11. a first magnet; 12. a movable rod; 13. a transverse plate; 14. an upper limit block; 15. a second magnet; 16. a rotating shaft; 17. a driving gear; 18. a spring; 19. a driven rack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a thick and thin combustion fire grate comprises a machine body 1, a mixing chamber 4 for mixing air and fuel is arranged in the machine body 1, an air inlet pipe 2 for conveying outside air, a fuel pipe 3 connected with a fuel source and a conveying pipe 5 for conveying mixed air and fuel are fixedly arranged in the machine body 1, the air and the fuel are premixed before combustion through the mixing chamber 4 so as to improve the combustion efficiency, a vertical groove 6 communicated with the air inlet pipe 2 is arranged in the machine body 1, the air inlet pipe 2, the fuel pipe 3 and the conveying pipe 5 can use a cuboid hollow pipeline structure, an adjusting groove 7 communicated with the vertical groove 6 is arranged in the machine body 1, a rotating shaft 16 is rotatably arranged in the vertical groove 6, a driving gear 17 is connected to the rotating shaft 16 in a key mode, the existing combustion fire grate ignition mechanism is a mature technical field, so that the description in the specification does not exist, the device is changed to be in a thick combustion or thin combustion state by using a driven rack 19 and the air inlet pipe 2 in a matching way, springs 18 and a driven rack 19 for controlling the air inlet size of the air inlet pipe 2 and meshed with the driving gear 17 are respectively arranged in the vertical groove 6, and the adjusting mechanism is made of a fireproof material, and the adjusting mechanism for fixing the rotating shaft 16.

The air inlet pipe 2, the fuel pipe 3 and the delivery pipe 5 are all communicated with the mixing chamber 4, the air inlet pipe 2, the fuel pipe 3 and the delivery pipe 5 are all provided with check valves in a matching way, and air only enters the mixing chamber 4 from an air inlet port of the air inlet pipe 2 by utilizing the check valves in the air inlet pipe 2; by means of the non-return valve of the fuel pipe 3, the fuel enters the mixing chamber 4 only from the inlet port of the fuel pipe 3; the air and fuel mixture is admitted only from the intake port of the delivery pipe 5 by means of the non-return valve of the delivery pipe 5.

The rotating shaft 16 extends to the outside of the machine body 1 through the adjusting groove 7, the spring 18 is longitudinally welded in the vertical groove 6, the driven rack 19 is vertically sleeved in the vertical groove 6 in a sliding mode, and the lower end of the driven rack 19 is movably abutted to the inner wall of the air inlet pipe 2.

The fixing mechanism comprises a sliding groove 8 which is arranged in the machine body 1 and communicated with the adjusting groove 7, a lower limiting block 9 which corresponds to a rotating shaft 16 is fixedly connected in the adjusting groove 7, a limiting groove 10 is formed in the lower limiting block 9, a first magnet 11 is fixedly mounted in the limiting groove 10, a movable rod 12 which is connected with the limiting groove 10 is sleeved in the sliding groove 8 in a sliding mode, heteropolar attraction of heteropolar magnets is utilized, the upper limiting block 14 and the lower limiting block 9 are connected in a matched mode, the rotating shaft 16 is fixed, the position of the driven rack 19 is stabilized, an upper limiting block 14 which corresponds to the rotating shaft 16 and is mounted in a matched mode with the lower limiting block 9 is fixedly connected on the movable rod 12, a transverse plate 13 which is used for lifting the upper limiting block 14 is fixedly connected on the movable rod 12, and a second magnet 15 which corresponds to the first magnet 11 is fixedly mounted on the movable rod 12.

The upper end arc surface of the lower limiting block 9 is movably abutted against the lower end position of the rotating shaft 16, and the first magnet 11 and the second magnet 15 are opposite poles and attract each other.

The lower end of the movable rod 12 is slidably sleeved in the limiting groove 10, the movable rod 12 extends out of the machine body 1 through the sliding groove 8, and the lower end arc surface of the upper limiting block 14 movably abuts against the upper end of the rotating shaft 16.

The utility model discloses its functional principle is explained to the following mode of operation of accessible:

when the air flow in the air inlet pipe 2 needs to be controlled, the rotating shaft 16 is rotated to one end extending out of the machine body 1, the rotating shaft 16 drives the driving gear 17 to rotate, the driving gear 17 is in meshing transmission with the driven rack 19, the driven rack 19 slides up and down in the vertical groove 6, the driven rack 19 pulls the spring 18 to bear force, and the lower end position of the driven rack 19 slides in the air inlet pipe 2 to adjust the opening degree of the air inlet pipe 2, so that the air flow of the air inlet pipe 2 is changed;

secondly, after the driven rack 19 is adjusted, the transverse plate 13 is pressed downwards, the transverse plate 13 drives the movable rod 12 to slide downwards in the sliding groove 8, the lower end position of the movable rod 12 slides downwards in the limiting groove 10, the opposite poles of the first magnet 11 and the second magnet 15 are attracted, the upper limiting block 14 is connected with the lower limiting block 9 in a matched mode, and the rotating shaft 16 is fixed between the upper limiting block 14 and the lower limiting block 9.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. Dense-dilute combustion fire grate, including organism (1), its characterized in that, set up mixing chamber (4) that are used for mixed air and fuel in organism (1), fixed mounting has intake pipe (2) of carrying the outside air in organism (1), fuel pipe (3) of being connected with the fuel source and be used for carrying mixed air and fuel conveyer pipe (5), set up perpendicular groove (6) that are linked together with intake pipe (2) in organism (1), and set up in organism (1) and be linked together with perpendicular groove (6) adjustment tank (7), it has rotation axis (16) to rotate in perpendicular groove (6), the key connection has driving gear (17) on rotation axis (16), be provided with spring (18) that are connected and be used for controlling intake pipe (2) intake size and driven rack (19) of being connected with driving gear (17) meshing respectively in perpendicular groove (6), be provided with the fixed establishment who is used for fixed rotation axis (16) in adjustment tank (7).

2. A thick and thin combustion fire grate as claimed in claim 1, characterized in that the air inlet pipe (2), the fuel pipe (3) and the delivery pipe (5) are all communicated with the mixing chamber (4), and the air inlet pipe (2), the fuel pipe (3) and the delivery pipe (5) are all provided with check valves in a matching way.

3. A thick and thin combustion fire grate as claimed in claim 2, wherein the rotating shaft (16) extends out of the machine body (1) through the adjusting groove (7), the spring (18) is longitudinally welded in the vertical groove (6), the driven rack (19) is vertically and slidably sleeved in the vertical groove (6), and the lower end position of the driven rack (19) is movably abutted against the inner wall of the air inlet pipe (2).

4. The thick and thin combustion fire grate as claimed in claim 1, characterized in that the fixing mechanism comprises a sliding groove (8) which is arranged in the machine body (1) and communicated with the adjusting groove (7), a lower limiting block (9) which corresponds to the rotating shaft (16) is fixedly connected in the adjusting groove (7), a limiting groove (10) is formed in the lower limiting block (9), a first magnet (11) is fixedly mounted in the limiting groove (10), a movable rod (12) which is connected with the limiting groove (10) is slidably sleeved in the sliding groove (8), an upper limiting block (14) which is installed in cooperation with the lower limiting block (9) and corresponds to the rotating shaft (16) is fixedly connected on the movable rod (12), a transverse plate (13) which is used for lifting the upper limiting block (14) is fixedly connected on the movable rod (12), and a second magnet (15) which corresponds to the first magnet (11) is fixedly mounted on the movable rod (12).

5. A thick and thin combustion fire grate as claimed in claim 4, characterized in that the upper end arc surface of the lower limiting block (9) is movably abutted against the lower end position of the rotating shaft (16), and the first magnet (11) and the second magnet (15) are attracted by opposite poles.

6. The thick and thin combustion fire grate as claimed in claim 5, characterized in that the lower end position of the movable rod (12) is slidably sleeved in the limiting groove (10), the movable rod (12) extends out of the machine body (1) through the sliding groove (8), and the lower end arc surface of the upper limiting block (14) is movably abutted against the upper end position of the rotating shaft (16).

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