阅读说明：本技术 一种锅炉用燃烧设备 (Combustion equipment for boiler ) 是由 曾倞 马曦 洪勇 黄雄军 张元涛 黄淑辉 于 2020-03-18 设计创作，主要内容包括：本发明公开了一种锅炉用燃烧设备,包括燃烧器本体,还包括设置在所述燃烧器本体下方的支架、设置在所述支架下方的轮组以及均设置在所述支架和所述燃烧器本体之间的前支撑装置和后支撑装置。本发明通过在支架和燃烧器本体之间分别设置前支撑装置和后支撑装置,前支撑装置用于定位和支撑,后支撑装置用于支撑；仅需要将燃烧器本体吊装到前支撑装置和后支撑装置上,安装非常方便；其次,后续拆装燃烧器本体不再需要借助行车或多人操作；并且,燃烧器本体前后均有支撑,使燃烧器本体不再悬置在炉膛上,极大地改善了连接螺栓的受力情况。(The invention discloses combustion equipment for a boiler, which comprises a combustor body, a support arranged below the combustor body, a wheel set arranged below the support, and a front support device and a rear support device which are arranged between the support and the combustor body. According to the invention, the front supporting device and the rear supporting device are respectively arranged between the bracket and the burner body, the front supporting device is used for positioning and supporting, and the rear supporting device is used for supporting; the burner body is only required to be hoisted to the front supporting device and the rear supporting device, so that the mounting is very convenient; secondly, the subsequent disassembly and assembly of the burner body do not need to be operated by a vehicle or multiple persons; and, all there is the support around the combustor body, makes the combustor body no longer hang on furnace, has greatly improved connecting bolt's atress condition.)

1. The utility model provides a combustion apparatus for boiler, includes the combustor body, its characterized in that: the support is arranged below the burner body, the wheel set is arranged below the support, and the front support device and the rear support device are arranged between the support and the burner body; the front support device comprises a V-shaped block for supporting a circular flange of the burner body and an adjusting structure for adjusting the vertical position of the V-shaped block; the front side and the rear side of the V-shaped block are provided with stop blocks; the rear supporting device comprises a supporting block, a floating shaft, an elastic chuck, a locking nut and a base; the upper part of the floating shaft is hinged with the supporting block, and the lower part of the floating shaft is provided with a compression spring for driving the floating shaft to slide upwards; the elastic chuck is sleeved outside the floating shaft, and the upper part of the elastic chuck is provided with an outer conical surface with a small upper part and a large lower part; the locking nut is sleeved outside the elastic chuck, and the upper part of the locking nut is provided with an inner conical surface matched with the outer conical surface; the base is fixedly connected with the support, and the upper part of the base is provided with an external thread in threaded fit with the locking nut; and a rotation stopping structure A is arranged between the base and the floating shaft.

2. The combustion apparatus for a boiler as set forth in claim 1, wherein: the rotation stopping structure A comprises a pin shaft A and an elastic ring A; the pin shaft A is inserted on the base along the radial direction of the floating shaft; a waist-shaped groove A for accommodating the pin shaft A is formed in the outer circular surface of the floating shaft; the waist-shaped groove A is vertically formed; the elastic ring A is sleeved outside the base to prevent the pin shaft A from falling off.

3. The combustion apparatus for a boiler as set forth in claim 2, wherein: the outer surface of the base is provided with a groove A for accommodating the elastic ring A.

4. The combustion apparatus for a boiler as set forth in claim 1, wherein: the top surface of the supporting block is a profiling surface.

5. The combustion apparatus for a boiler as set forth in claim 1, wherein: the adjusting structure comprises a screw rod, a screw rod nut in threaded fit with the screw rod, a bearing seat sleeved outside the screw rod nut and a base fixedly connected with the bearing seat; the base is fixedly connected with the bracket; the lead screw is vertically arranged, one end of the lead screw is fixedly connected with the V-shaped block, and a rotation stopping structure B is arranged between the other end of the lead screw and the base.

6. The combustion apparatus for a boiler as set forth in claim 5, wherein: the rotation stopping structure B comprises a pin shaft B and an elastic ring B; the pin shaft B is inserted on the base along the radial direction of the screw rod; the screw rod is vertically provided with a waist-shaped groove B for accommodating the pin shaft B; the elastic ring B is sleeved outside the base to prevent the pin shaft B from falling off.

7. The combustion apparatus for a boiler as set forth in claim 5, wherein: the bearing seat comprises a bearing seat body sleeved outside the screw rod nut, and a thrust bearing and a deep groove ball bearing which are arranged between the bearing seat body and the screw rod nut; the thrust bearing and the deep groove ball bearing are arranged in sequence from top to bottom; the feed screw nut is provided with a step surface which is abutted against the end surface of the thrust bearing.

8. The combustion apparatus for a boiler as set forth in any one of claims 1 to 7, wherein: the two rails are arranged in parallel along the left and right directions; the cross section of the track is C-shaped or U-shaped; the wheel set is arranged between each track and the support; a locking structure is arranged between at least one rail and the bracket; the wheel set comprises at least two walking wheel assemblies and at least two guide wheel assemblies; the walking wheel assemblies and the guide wheel assemblies are arranged along the front-back direction; the walking wheel set comprises a seat body fixedly connected with the support and a walking wheel body rotatably arranged on the seat body; the rotation center line of the walking wheel body is arranged along the left and right direction; the guide wheel assembly comprises a guide wheel body which is rotatably arranged on the bracket; the rotation center line of the guide wheel body is in a vertical state.

9. The combustion apparatus for a boiler as set forth in claim 8, wherein: the front side and the rear side of the bracket are provided with telescopic protective covers; the two ends of the telescopic protective cover are respectively fixedly connected with the support and the track.

10. The combustion apparatus for a boiler as set forth in claim 9, wherein: the telescopic protective cover comprises a plurality of layers of cover bodies; a connecting structure is arranged between any two adjacent cover bodies; the connecting structure comprises a strip hole arranged along the telescopic direction of the telescopic protective cover and a blind rivet arranged in the strip hole; one of any two adjacent cover bodies is provided with the strip hole, and the other cover body is fixedly connected with the blind rivet.

Technical Field

The invention belongs to the technical field of combustion equipment, and particularly relates to combustion equipment for a boiler.

Background

In order to avoid the damage of the hearth heat radiation to the low-nitrogen oxide burner, the applicant designs a low-nitrogen oxide burner which is separated from the hearth after the production is finished, but has the following disadvantages: when the burner is installed on the bracket for the first time, the burner can be installed on the bracket by a plurality of people or a traveling crane due to the fact that the bracket is not provided with the supporting device; secondly, if the burner needs to be detached from the bracket, if the burner needs to be maintained, a plurality of people or a traveling crane needs to be used; and, the combustor only passes through flange and support fixed connection, and the combustor suspension is used for connecting the bolt atress condition of combustor and support relatively poor.

Disclosure of Invention

In order to solve the above problems in the prior art, the present invention provides a combustion apparatus for a boiler, which includes a front support device and a rear support device respectively disposed between a supporter and a burner body, the front support device being used for positioning and supporting, the rear support device being used for supporting; the burner body is only required to be hoisted to the front supporting device and the rear supporting device, so that the mounting is very convenient; secondly, the subsequent disassembly and assembly of the burner body do not need to be operated by a vehicle or multiple persons; and, all there is the support around the combustor body, makes the combustor body no longer hang on furnace, has greatly improved connecting bolt's atress condition.

The technical scheme adopted by the invention is as follows:

a combustion device for a boiler comprises a burner body, a support arranged below the burner body, a wheel set arranged below the support, and a front support device and a rear support device which are arranged between the support and the burner body; the front support device comprises a V-shaped block for supporting a circular flange of the burner body and an adjusting structure for adjusting the vertical position of the V-shaped block; the front side and the rear side of the V-shaped block are provided with stop blocks; the rear supporting device comprises a supporting block, a floating shaft, an elastic chuck, a locking nut and a base; the upper part of the floating shaft is hinged with the supporting block, and the lower part of the floating shaft is provided with a compression spring for driving the floating shaft to slide upwards; the elastic chuck is sleeved outside the floating shaft, and the upper part of the elastic chuck is provided with an outer conical surface with a small upper part and a large lower part; the locking nut is sleeved outside the elastic chuck, and the upper part of the locking nut is provided with an inner conical surface matched with the outer conical surface; the base is fixedly connected with the support, and the upper part of the base is provided with an external thread in threaded fit with the locking nut; and a rotation stopping structure A is arranged between the base and the floating shaft.

As a further alternative of the combustion equipment for the boiler, the rotation stopping structure a comprises a pin shaft a and an elastic ring a; the pin shaft A is inserted on the base along the radial direction of the floating shaft; a waist-shaped groove A for accommodating the pin shaft A is formed in the outer circular surface of the floating shaft; the waist-shaped groove A is vertically formed; the elastic ring A is sleeved outside the base to prevent the pin shaft A from falling off.

As a further alternative of the combustion device for the boiler, the outer surface of the base is provided with a groove a for accommodating the elastic ring a.

As a further alternative of the combustion apparatus for a boiler, the top surface of the support block is a contoured surface.

As a further alternative of the combustion device for the boiler, the adjusting structure comprises a screw rod, a screw nut in threaded fit with the screw rod, a bearing seat sleeved outside the screw nut and a base fixedly connected with the bearing seat; the base is fixedly connected with the bracket; the lead screw is vertically arranged, one end of the lead screw is fixedly connected with the V-shaped block, and a rotation stopping structure B is arranged between the other end of the lead screw and the base.

As a further alternative of the combustion device for the boiler, the rotation stopping structure B comprises a pin shaft B and an elastic ring B; the pin shaft B is inserted on the base along the radial direction of the screw rod; the screw rod is vertically provided with a waist-shaped groove B for accommodating the pin shaft B; the elastic ring B is sleeved outside the base to prevent the pin shaft B from falling off.

As a further alternative of the combustion device for the boiler, the bearing block comprises a bearing block body sleeved outside the screw rod nut, and a thrust bearing and a deep groove ball bearing which are both arranged between the bearing block body and the screw rod nut; the thrust bearing and the deep groove ball bearing are arranged in sequence from top to bottom; the feed screw nut is provided with a step surface which is abutted against the end surface of the thrust bearing.

As a further alternative of the combustion equipment for the boiler, the combustion equipment further comprises two rails which are arranged in parallel along the left-right direction; the cross section of the track is C-shaped or U-shaped; the wheel set is arranged between each track and the support; a locking structure is arranged between at least one rail and the bracket; the wheel set comprises at least two walking wheel assemblies and at least two guide wheel assemblies; the walking wheel assemblies and the guide wheel assemblies are arranged along the front-back direction; the walking wheel set comprises a seat body fixedly connected with the support and a walking wheel body rotatably arranged on the seat body; the rotation center line of the walking wheel body is arranged along the left and right direction; the guide wheel assembly comprises a guide wheel body which is rotatably arranged on the bracket; the rotation center line of the guide wheel body is in a vertical state.

As a further alternative of the combustion equipment for the boiler, the front side and the rear side of the bracket are both provided with telescopic protective covers; the two ends of the telescopic protective cover are respectively fixedly connected with the support and the track.

As a further alternative of the combustion apparatus for a boiler, the telescopic shield includes a multi-layered shield body; a connecting structure is arranged between any two adjacent cover bodies; the connecting structure comprises a strip hole arranged along the telescopic direction of the telescopic protective cover and a blind rivet arranged in the strip hole; one of any two adjacent cover bodies is provided with the strip hole, and the other cover body is fixedly connected with the blind rivet.

The invention has the beneficial effects that:

according to the invention, the front supporting device and the rear supporting device are respectively arranged between the bracket and the burner body, the front supporting device is used for positioning and supporting, and the rear supporting device is used for supporting; the burner body is only required to be hoisted to the front supporting device and the rear supporting device, so that the mounting is very convenient; secondly, the subsequent disassembly and assembly of the burner body do not need to be operated by a vehicle or multiple persons; and, all there is the support around the combustor body, makes the combustor body no longer hang on furnace, has greatly improved connecting bolt's atress condition.

Other advantageous effects of the present invention will be described in detail in the detailed description.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it should be understood that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic configuration diagram of a combustion apparatus for a boiler in embodiment 1 of the present invention;

FIG. 2 is a schematic view showing the construction of a rear supporter in the combustion apparatus for a boiler shown in FIG. 1;

FIG. 3 is a schematic view showing the construction of a flexible clip in the combustion apparatus for a boiler shown in FIG. 1;

FIG. 4 is a schematic structural view of a front supporting device in the combustion apparatus for a boiler shown in FIG. 1;

FIG. 5 is an enlarged view of the area A in FIG. 4;

FIG. 6 is a schematic configuration diagram of a combustion apparatus for a boiler in embodiment 2 of the present invention;

FIG. 7 is a schematic view of the boiler combustion apparatus shown in FIG. 6 without the retractable shield;

FIG. 8 is a schematic structural view of a traveling wheel assembly of the combustion apparatus for a boiler shown in FIG. 6;

FIG. 9 is a cross-sectional view B-B of FIG. 8;

FIG. 10 is a schematic structural view of a guide wheel assembly of the combustion apparatus for a boiler shown in FIG. 6;

FIG. 11 is a schematic structural view of a locking structure in the combustion apparatus for a boiler shown in FIG. 6;

FIG. 12 is a schematic view showing the construction of a telescopic shield in the combustion apparatus for a boiler shown in FIG. 6;

fig. 13 is a schematic view showing a structure in which any two adjacent hoods of the combustion apparatus for a boiler shown in fig. 6 are coupled.

Detailed Description

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 of the present invention without any inventive step, are within the scope of the present invention. It is to be understood that the drawings are provided solely for the purposes of reference and illustration and are not intended as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The invention is further described with reference to the following figures and specific embodiments.

Here, the left-right direction is referred to as the X direction shown in fig. 6, the front-back direction is referred to as the Y direction, and the vertical direction is referred to as the Z direction.