CN213840918U

CN213840918U - Air inlet structure of ultralow nitrogen combustor

Info

Publication number: CN213840918U
Application number: CN202022518818.6U
Authority: CN
Inventors: 谢鹏
Original assignee: Shanghai Weijin Thermal Energy Equipment Co ltd
Current assignee: Shanghai Weijin Thermal Energy Equipment Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-30
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses an air inlet structure of ultralow nitrogen combustor, including ultralow nitrogen combustor main part and air inlet subassembly, ultralow nitrogen gas main part is including combustor shell (1), its characterized in that: the air inlet subassembly includes fan fixing base (2), and the installation is fixed with fan (3) on fan fixing base (2), and the air-out end of fan (3) sets up towards the inlet end of ultralow nitrogen burner main part, and sliding connection is formed with one inlet air channel (5) between fan fixing base (2) and combustor shell (1), is provided with the filter layer in inlet air channel (5), and the filter layer includes that the polylith glues piece (6), glues and is fixed with filter screen (7) between piece (6).

Description

Air inlet structure of ultralow nitrogen combustor

Technical Field

The utility model relates to an ultralow nitrogen combustor field, concretely relates to air inlet structure of ultralow nitrogen combustor.

Background

China is the second most energy producing country in the world, the second most energy consuming country in the world, or a country using coal as a main energy source, the proportion of coal in primary energy consumption is 69.4%, 39.5% of NOx in atmospheric pollutants is from coal combustion, and people pay more and more attention to energy conservation and emission reduction in the face of current serious atmospheric pollution. Therefore, the adoption of clean, efficient and low-pollution combustion technology is a necessary trend in social development.

The low-nitrogen burner can obtain the optimal combustion parameters by adjusting combustion air and a combustion head.

Existing ultra-low nitrogen burners have drawbacks when in use. The air inlet structure of the ultra-low nitrogen burner is simple and easy to damage, and impurities exist during air inlet, so that adverse effects are caused to the use of the whole ultra-low nitrogen burner.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an air inlet structure of ultralow nitrogen combustor that can solve above-mentioned problem.

The utility model discloses a realize through following technical scheme: the utility model provides an air inlet structure of ultralow nitrogen combustor, includes ultralow nitrogen combustor main part and air inlet subassembly, ultralow nitrogen gas main part is including combustor shell, its characterized in that: the air inlet subassembly includes the fan fixing base, and the installation is fixed with the fan on the fan fixing base, and the air-out end of fan sets up towards the inlet end of ultralow nitrogen burner main part, and sliding connection is formed with an inlet air duct between fan fixing base and the combustor shell, is provided with the filter layer in the inlet air duct, and the filter layer includes that the polylith glues the piece, glues and is fixed with the filter screen between the piece.

As preferred technical scheme, multiseriate spout has been seted up on the surface of combustor shell, the spout is the dovetail structure, sliding connection has the polylith slider in the spout, the side of fan fixing base is provided with the extension, the extension is the round cover column structure, inlet air channel is located the extension, the inboard and each slider of extension are fixed mutually, set up the screw hole of alignment on extension and the slider, insert the screw in the screw hole, a plurality of ventilative holes have been seted up on the extension, ventilative hole is located between filter screen and the fan.

As a preferable technical scheme, the extension part is made of an anti-aging colloid material, and the surface of the extension part is provided with heat insulation paint.

As the preferred technical scheme, the surface of the rubber block is provided with heat insulation paint, a sealed inner cavity is arranged in the rubber block, and safety gas is stored in the inner cavity.

Preferably, a plurality of protruding pieces are arranged on the outer side of the extending part, and the protruding pieces and the extending part are of an integrated structure.

As the preferred technical scheme, the filter screen comprises a screen body and a frame body, wherein a clamping groove is formed in the rubber block, and one side of the frame body is inserted into the clamping groove for fixation.

The utility model has the advantages that: when the utility model is used, the air inlet structure is not easy to damage, and the service life is longer; the air inlet effect is good, the impurities in the air flow are reduced, and the operation of the ultra-low nitrogen burner is facilitated; the whole air inlet structure is convenient to maintain; the surface dust-proof effect of the whole combustor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a structural diagram of the rubber block of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

This specification includes any features disclosed in the appended claims, abstract and drawings, which are, unless expressly stated otherwise, replaceable with other equivalent or similarly purposed alternative features. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-2, including ultralow nitrogen combustor main part and air inlet subassembly, ultralow nitrogen gas main part is including combustor shell 1, the air inlet subassembly includes fan fixing base 2, the installation is fixed with fan 3 on the fan fixing base 2, the air-out end of fan 3 sets up towards the inlet end of ultralow nitrogen combustor main part, sliding connection and being formed with an inlet air duct 5 between fan fixing base 2 and the combustor shell 1, be provided with the filter layer in the inlet air duct 5, the filter layer includes that the polylith glues piece 6, it is fixed with filter screen 7 to glue between the piece 6.

Wherein, multiseriate spout 11 has been seted up on combustor shell 1's surface, spout 11 is the dovetail structure, slider and spout are difficult to separate, sliding connection has polylith slider 8 in spout 11, fan fixing base 2's side is provided with extension 9, extension 9 is the circle cover column structure, inlet air channel 5 is located extension 9, extension 9's inboard and each slider 8 pass through the screw fixation, set up aligned screw hole on extension 9 and the slider 8, insert the screw in the screw hole, a plurality of ventilative holes 10 have been seted up on extension 9, ventilative hole 10 is located between filter screen 7 and the fan 3. The operation is more flexible by the displacement of the slider moving extension and the burner housing.

Wherein, extension portion 9 is for ageing-resistant glue material to make, and the surface of extension portion 9 is provided with thermal-insulated lacquer.

Wherein, gluing the piece and being elastic rubber, accessible powerful glue is fixed on the extension, glues the surface of piece 6 and is provided with thermal-insulated lacquer, is provided with sealed inner chamber 611 in gluing the piece 6, and the inner chamber 611 is the safety gas of storing, for example helium, does benefit to the motion of gluing the piece, glues the surface of piece and is provided with thermal-insulated lacquer.

Wherein, the outside of extension 9 is provided with multi-disc lug 13, lug 13 and extension 9 formula structure as an organic whole, and the lug has increased crashproof effect, when bumping, and preferential and wall contact.

The filter screen 7 comprises a screen body 711 and a frame body 712, a clamping groove is formed in the rubber block 6, one side of the frame body 712 is inserted into the clamping groove and fixed through strong glue, and the whole filter screen is used for filtering impurities blocking air flow generated by the fan.

When the technical scheme is used, the fan is provided with the switch, the fan is started through the switch, and airflow generated by the fan is discharged into the combustor through the air inlet channel.

The air flow is filtered by the filter screen, and the impurities in the air flow are reduced. The filter screen is fixed on the rubber block for the filter screen is easy to move, and impurity such as dust is difficult to adhere to on the filter screen, and impurity discharges to external environment through the bleeder vent.

The air flow can be discharged to the external environment through the air holes, acts on the surface of the combustor shell and is used for storing the surface of the combustor, the air flow continuously acts on the outer side of the combustor shell, and impurities in the air flow cannot be easily attached to the surface of the combustor shell.

This technical scheme is when using, through extension to combustor shell and fan protection. The extension part and the combustor shell are fixed through screws, so that the combustor shell is convenient to detach, and the extension part is made of hard rubber.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides an air inlet structure of ultralow nitrogen combustor, includes ultralow nitrogen combustor main part and air inlet subassembly, ultralow nitrogen gas main part is including combustor shell (1), its characterized in that: the air inlet subassembly includes fan fixing base (2), and the installation is fixed with fan (3) on fan fixing base (2), and the air-out end of fan (3) sets up towards the inlet end of ultralow nitrogen burner main part, and sliding connection is formed with one inlet air channel (5) between fan fixing base (2) and combustor shell (1), is provided with the filter layer in inlet air channel (5), and the filter layer includes that the polylith glues piece (6), glues and is fixed with filter screen (7) between piece (6).

2. The air intake structure of an ultra-low nitrogen burner according to claim 1, characterized in that: multiseriate spout (11) have been seted up on the surface of combustor shell (1), spout (11) are the dovetail structure, sliding connection has polylith slider (8) in spout (11), the side of fan fixing base (2) is provided with extension (9), extension (9) are the circle cover column structure, inlet air channel (5) are located extension (9), the inboard and each slider (8) of extension (9) are fixed mutually, set up aligned screw hole on extension (9) and slider (8), insert the screw in the screw hole, a plurality of ventilative holes (10) have been seted up on extension (9), ventilative hole (10) are located between filter screen (7) and fan (3).

3. The air intake structure of an ultra-low nitrogen burner according to claim 1, characterized in that: the extension part (9) is made of an anti-aging colloid material, and the surface of the extension part (9) is provided with heat insulation paint.

4. The air intake structure of an ultra-low nitrogen burner according to claim 1, characterized in that: the surface of the rubber block (6) is provided with heat insulation paint, a sealed inner cavity (611) is arranged in the rubber block (6), and safety gas is stored in the inner cavity (611).

5. The air intake structure of an ultra-low nitrogen burner according to claim 2, characterized in that: a plurality of protruding pieces (13) are arranged on the outer side of the extending part (9), and the protruding pieces (13) and the extending part (9) are of an integrated structure.

6. The air intake structure of an ultra-low nitrogen burner according to claim 1, characterized in that: the filter screen (7) comprises a screen body (711) and a frame body (712), a clamping groove is formed in the rubber block (6), and one side of the frame body (712) is inserted into the clamping groove for fixation.