CN211260765U

CN211260765U - Boiler platen superheater

Info

Publication number: CN211260765U
Application number: CN201921697614.4U
Authority: CN
Inventors: 李德民; 周大同; 吴安敏
Original assignee: Jiangsu Zhongke Heavy Industry Co ltd
Current assignee: Jiangsu Zhongke Heavy Industry Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-08-14
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a boiler screen superheater in the technical field of boiler equipment, which comprises a connecting header pipe, wherein the outer wall of the connecting header pipe is uniformly welded with a screen superheater pipe, the middle part of the bottom of the screen superheater pipe and the front side of the screen superheater pipe are respectively clamped with a connecting support I and a connecting support II, the connecting support I is not contacted with the connecting support II, the connecting support I comprises a support plate, the top of the support plate is uniformly provided with an arc-shaped clamping plate matched with the screen superheater pipe, two ends of the top of the support plate are respectively welded with a positioning nut, and the inner cavity of the positioning nut is vertically provided with a positioning screw rod, thereby reducing the influence on the normal work of the product caused by the installation skew.

Description

Boiler platen superheater

Technical Field

The utility model relates to a boiler equipment technical field specifically is boiler platen superheater.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. The boiler for supplying hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production. The boiler for generating steam is called as a steam boiler, often called as a boiler for short, and is widely used for thermal power stations, ships, locomotives and industrial and mining enterprises. The platen superheater is also commonly called a semi-radiation superheater and refers to a heating surface which is arranged at the upper part of a hearth or a smoke window at the outlet of the hearth and is used for receiving direct radiation heat in the furnace and absorbing convection heat of smoke. A large distance is kept between two adjacent screens of the screen type superheater, so that the effects of reducing the temperature of the flue gas at the outlet of the hearth and slag condensation can be achieved, and slag bonding on the rear heating surface can be prevented. Meanwhile, the heat exchanger is also a main component of the heating surface of the modern large boiler superheater.

The fixed mode majority of current platen superheater is through the mode that the steel wire tied up, connects it as a whole, and the rethread bolt is fixed it in the furnace export smoke window department of boiler, and is comparatively loaded down with trivial details, can't adjust the levelness between its and the wall moreover, causes the superheater installation to be in crooked state, influences the normal work of superheater, based on this, the utility model designs a boiler platen superheater to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler platen superheater to solve the fixed mode majority of the current platen superheater that proposes in the above-mentioned background art and be through the mode that the steel wire was tied up, connect it as a whole, the rethread bolt is fixed it in the furnace export smoke window department of boiler, comparatively loaded down with trivial details, can't adjust the levelness between its and the wall moreover, cause the superheater installation to be in crooked state, influence the problem of the normal work of superheater.

In order to achieve the above object, the utility model provides a following technical scheme: the boiler screen type superheater comprises a connecting header pipe, wherein a screen type superheater pipe is uniformly welded on the outer wall of the connecting header pipe, a first connecting support and a second connecting support are respectively clamped in the middle of the bottom of the screen type superheater pipe and on the front side of the bottom of the screen type superheater pipe, the first connecting support is not in contact with the second connecting support, the first connecting support comprises a support plate, arc-shaped clamping plates matched with the screen type superheater pipe are uniformly arranged on the top of the support plate, positioning nuts are welded on the two ends of the top of the support plate, positioning screws are vertically arranged in the inner cavities of the positioning nuts, the bottom ends of the positioning screws penetrate through the bottom of the support plate, adjusting knobs are welded on the top ends of the positioning screws, a connecting bottom plate is welded at the bottom ends of the positioning screws, fixed jacks are formed in the top of the connecting bottom plate, connecting sleeves are welded, the bottom of the connecting ribbed plate is provided with a connecting jack which penetrates through the top of the connecting ribbed plate.

Preferably, the screen type superheat tubes are arranged in an equidistant mode through U-shaped tubes with the same tube diameter, and two ends of each screen type superheat tube are communicated with the inner cavity of the connecting header pipe.

Preferably, the first connecting support and the second connecting support have the same structure, and the second connecting support and the first connecting support are perpendicular to each other.

Preferably, the arc-shaped clamping plate and the screen type superheater tube are in interference fit, and the arc-shaped clamping plate and the support plate are integrally welded and formed.

Preferably, the positioning nut is connected with the positioning screw rod through mutually matched threads, and the positioning screw rod can slide up and down in an inner cavity of the positioning nut through rotation.

Preferably, the side wall of the inner cavity of the connecting sleeve is uniformly provided with sealing threads, and the inner cavity of the connecting sleeve is provided with a rubber sealing gasket.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an arc cardboard is fixed as a whole with screen type superheater tube, improve screen type superheater tube's structural stability, make things convenient for the later stage to the installation of this product, through the position of stretching out of adjustment positioning screw in set nut, be in the parallel state between convenient adjustment screen type superheater tube and the wall, thereby reduce because the installation is crooked and influence the normal work of product, through the setting of connecting floor and connection bottom plate, make things convenient for this product to pass through fixed connection between bolt and the wall body, through connecting sleeve's setting, conveniently connect the sealing connection between house steward and the external pipeline.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connecting support structure of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

fig. 4 is a perspective view of the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

1-connecting header pipe, 2-screen type superheater tube, 3-connecting support I, 31-supporting plate, 32-arc clamping plate, 33-positioning nut, 34-positioning screw rod, 35-adjusting knob, 36-connecting bottom plate, 37-fixing jack, 4-connecting support II, 5-connecting sleeve, 6-connecting ribbed plate and 7-connecting jack.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Combine shown in fig. 1-4, according to the utility model discloses a boiler platen superheater, including connecting header pipe 1, connecting header pipe 1's outer wall evenly welds has platen superheater pipe 2, and the joint has connection support one 3 and connection support two 4 respectively with the front side in the middle of platen superheater pipe 2's bottom, and connection support one 3 and connection support two 4 contactless.

Combine fig. 1, 2 to show, connection support 3 includes backup pad 31, backup pad 31's top evenly is provided with the arc cardboard 32 with screen type superheater pipe 2 matched with, positioning nut 33 has all been welded at backup pad 31's top both ends, positioning screw 34 is vertically installed to positioning nut 33's inner chamber, and positioning screw 34's bottom runs through backup pad 31's bottom, positioning screw 34's top welding has adjust knob 35, positioning screw 34's bottom welding has connection bottom plate 36, fixed jack 37 has been seted up at connection bottom plate 36's top.

Connecting sleeve 5 has all been welded at the both ends of connecting house steward 1, and the even welding of the bottom of connecting house steward 1 has connecting rib plate 6, and connecting jack 7 has been seted up to connecting rib plate 6's bottom, and connecting jack 7 runs through the top of connecting rib plate 6.

Preferably, the screen type superheat tubes 2 are arranged in an equidistant manner by U-shaped tubes with the same tube diameter, and two ends of each screen type superheat tube 2 are communicated with the inner cavity of the connecting header pipe 1.

Preferably, the first connecting support 3 and the second connecting support 4 are identical in structure, and the second connecting support 4 and the first connecting support 3 are perpendicular to each other, so that the stability of fixing the screen type superheater tube 2 through the first connecting support 3 and the second connecting support 4 is improved.

Preferably, be interference fit between arc cardboard 32 and the screen formula superheater pipe 2, and be integrated welded molding between arc cardboard 32 and the backup pad 31, make things convenient for arc cardboard 32 joint at the outer wall of screen formula superheater pipe 2 motionless, and guarantee the structural strength between arc cardboard 32 and the backup pad 31.

Preferably, the positioning nut 33 and the positioning screw 34 are connected by mutually matched threads, and the positioning screw 34 can slide up and down in the inner cavity of the positioning nut 33 by rotating, so that the position between the screen type superheater tube 2 and the wall body can be conveniently adjusted by adjusting the extending length of the positioning screw 34.

Preferably, the side wall of the inner cavity of the connecting sleeve 5 is uniformly provided with sealing threads, and the inner cavity of the connecting sleeve 5 is provided with a rubber sealing gasket, so that the sealing property between the connecting sleeve 5 and an external pipeline is improved.

One specific application of this embodiment is: when the utility model is used, the worker can connect the U-shaped tube in the screen type superheater tube 2 into a whole by clamping the arc clamping plate 32 on the outer wall of the screen type superheater tube 2 through the interaction of the first connecting support 3 and the second connecting support 4, thereby facilitating the integral hoisting work in the later installation process, when the installation is carried out, the worker firstly fixes the position of the connecting rib plate 6 by passing through the inner cavity of the connecting jack 7 through the bolt, then drives the positioning screw rod 34 to rotate through manually rotating the adjusting knob 35, and adjusts the extending length of the positioning screw rod 34 from the inner cavity of the positioning nut 33 through the rotation of the positioning screw rod 34 and the thread action between the positioning screw rod and the positioning nut 33, so that the screen type superheater tube 2 can be in a parallel state with the wall body, finally, the fixed position of the connecting bottom plate 36 is fixed by passing through the fixing jack 37 through the bolt, thereby reducing the influence on the normal work of the product, through the arrangement of the connecting sleeve 5, the sealing connection between the connecting main pipe 1 and an external pipeline is facilitated.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Boiler platen superheater, its characterized in that: including connecting house steward (1) and being in the even welded screen type superheater pipe (2) of outer wall of connecting house steward (1), the joint has connection support one (3) and connection support two (4) respectively with the front side in the middle of the bottom of screen type superheater pipe (2), and connects support one (3) and connection support two (4) contactless, wherein:

the first connecting support (3) comprises a support plate (31), and arc-shaped clamping plates (32) matched with the screen type superheater tubes (2) are uniformly arranged at the tops of the support plate (31);

positioning nuts (33) are welded at two ends of the top of the supporting plate (31), a positioning screw rod (34) is vertically arranged in an inner cavity of each positioning nut (33), and the bottom end of each positioning screw rod (34) penetrates through the bottom of the supporting plate (31);

an adjusting knob (35) is welded at the top end of the positioning screw rod (34);

a connecting bottom plate (36) is welded at the bottom end of the positioning screw rod (34), and a fixed insertion hole (37) is formed in the top of the connecting bottom plate (36);

two ends of the connecting main pipe (1) are welded with connecting sleeves (5);

the bottom of the connecting header pipe (1) is uniformly welded with connecting rib plates (6);

the bottom of the connecting ribbed slab (6) is provided with a connecting jack (7), and the connecting jack (7) penetrates through the top of the connecting ribbed slab (6).

2. The boiler platen superheater according to claim 1, wherein: the screen type superheat tubes (2) are arranged in an equidistant mode through U-shaped tubes with the same tube diameter, and the two ends of each screen type superheat tube (2) are communicated with the inner cavity of the connecting header pipe (1).

3. The boiler platen superheater according to claim 1, wherein: the connecting support I (3) and the connecting support II (4) are identical in structure, and the connecting support II (4) and the connecting support I (3) are perpendicular to each other.

4. The boiler platen superheater according to claim 1, wherein: the arc-shaped clamping plate (32) and the screen type superheater tube (2) are in interference fit, and the arc-shaped clamping plate (32) and the support plate (31) are integrally welded and formed.

5. The boiler platen superheater according to claim 1, wherein: the positioning nut (33) is connected with the positioning screw rod (34) through mutually matched threads, and the positioning screw rod (34) can slide up and down in an inner cavity of the positioning nut (33) through rotation.

6. The boiler platen superheater according to claim 1, wherein: the inner cavity side wall of the connecting sleeve (5) is uniformly provided with sealing threads, and the inner cavity of the connecting sleeve (5) is provided with a rubber sealing gasket.