CN216769386U - A coiled pipe fixed knot constructs for arranging in line - Google Patents

Abstract

The utility model discloses a coiled pipe fixing structure for in-line arrangement, which comprises a coiled pipe frame formed by welding a plurality of coiled pipe layers, wherein each coiled pipe layer comprises a coiled pipe supporting plate, an in-line coiled pipe bundle and a limiting steel pipe, the coiled pipe supporting plate is provided with a waist-shaped hole, the in-line coiled pipe bundle is arranged in the waist-shaped hole, the in-line coiled pipe bundle penetrates through the waist-shaped hole, the limiting steel pipe is welded on the outer side of the coiled pipe supporting plate, and the end part of the in-line coiled pipe bundle is arranged on the limiting steel pipe. The lateral part of the snakelike pipe support is wrapped by a lateral part sealing plate. And sealing steel plates are arranged on the upper part and the lower part of the snakelike pipe frame. And a heat insulation layer is arranged between the side sealing plate and the snakelike pipe frame. The length of the limiting steel pipe is smaller than the height of the coiled pipe supporting plate. The utility model does not occupy the smoke circulation area, saves the material cost, has good heat exchange effect, high utilization rate of the area of the coiled pipe, high safety and convenient installation.

Description

A coiled pipe fixed knot constructs for arranging in line

Technical Field

The utility model relates to the field of boiler equipment, in particular to a coiled pipe fixing structure for in-line arrangement.

Background

For a long time, the fixing device of the boiler serpentine pipe mainly adopts two pipe clamps to clamp the serpentine pipe, and the pipe clamps are fixed on a cross beam at the bottom or the upper part and transmit gravity to the cross beam. The spacing of the tube bundles is separated by flat steel on the upper part of the tube clamp.

Patent CN201520957072.5 discloses a horizontal coiled pipe fixing device of boiler, including be fixed in the packet wall pipe on the brickwork, with supporting shoe, the horizontal coiled pipe that the packet wall pipe connects admittedly, connect admittedly on the supporting shoe has the locating piece, its characterized in that: the horizontal coiled pipe is fixedly connected with an embedded plate through a plurality of spot welding points, the embedded plate and the horizontal coiled pipe are arranged in a gap mode, the embedded plate is fixedly connected with a fixed block in a welding mode, and the fixed block is provided with a clamping groove which is clamped on the positioning block.

Patent CN202021796699.4 discloses a couple formula coiled pipe fixing device, including the link plate, the first couple of a plurality of second couple and a plurality of, backplate or cladding pipe one side that all first couples evenly arranged, the distolateral welded mode of adoption and backplate or cladding union coupling of first couple, first opening is seted up downwards in first couple up end middle part, be equipped with a second couple between per two adjacent first couples, the distolateral welded mode that adopts of second couple is connected with the coiled pipe, the second opening is upwards seted up in terminal surface middle part under the second couple, the link plate up end is equipped with the second opening complex third opening of a plurality of and second couple along its length direction, the link plate is hung the dress on first couple, the coiled pipe is hung the dress on the link plate through the second couple.

It mainly has the following disadvantages:

1. the pipe clamp and the high-temperature flue gas are heated, and the used material is generally heat-resistant stainless steel, so the price is relatively expensive and uneconomical.

2. The crossbeam of bottom sprag is in high temperature flue gas atmosphere, and the material that uses under the great condition of span is thick, and weight is heavy, uneconomic.

3. Sometimes, the flue gas temperature is too high, the beam needs to be subjected to forced ventilation and cooling, and the process flow is increased.

4. In operation, the band steel that the pipe clamp tip is used for the interval tube bank intercept can be the thermal deformation, or receives the pulling force of tube bank, and the distance of can't guaranteeing the tube bank can form the flue gas corridor, influences the heat transfer effect of coiled pipe.

5. The pipe clamp can occupy the heating area of a part of the coiled pipe, and the heat exchange of the coiled pipe is weakened.

6. The cross beam occupies the area of a part of the flue, so that the circulation of the flue gas is uneven.

7. The alloy steel pipe clamp has high processing cost and is easy to crack after being stressed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coiled pipe fixing structure for in-line arrangement, and the coiled pipe fixing structure is used for solving the problem that the existing coiled pipe is complicated to hook on site.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a coiled pipe fixed knot constructs for following row arranges, includes the snakelike pipe support that a plurality of snakelike pipe layers welded and form, snakelike pipe layer includes the coiled pipe backup pad, follows row snakelike tube bank and spacing steel pipe, be provided with waist type hole in the coiled pipe backup pad, follow row snakelike tube bank and set up in waist type hole, follow row snakelike tube bank and run through waist type hole setting, spacing steel pipe welding is in the coiled pipe backup pad outside, and all welding seams are outside, and it is convenient to apply and weld. The end part of the in-line snakelike tube bundle is arranged on the limiting steel tube. The utility model has simple integral structure, the coiled pipe passes through the waist-shaped hole of the coiled pipe support plate, the pipe bundle is supported on the coiled pipe support plate, the gravity is transmitted to the coiled pipe support plate, and the gravity is transmitted to the steel frame by the coiled pipe support plate. The limiting steel pipe is connected with the support plate of the coiled pipe and is not welded with the pipe bundle, so that the free expansion of the pipe bundle is ensured, and the position and the expansion direction of the coiled pipe are restrained. Each pipe bundle corresponds to one coiled pipe support plate, the coiled pipe support plates are directly upwards overlapped during installation, and the coiled pipe support plates are fixedly welded.

As a further improvement of the above technical solution:

the lateral part of the snakelike pipe frame is wrapped by a lateral part sealing plate. And a heat insulation layer is arranged between the lateral sealing plate and the snakelike pipe frame. The outer leakage part of the tube bundle is covered and sealed, and the inner cavity of the tube bundle is filled with a heat insulation material, so that the sealing and heat insulation performance is ensured.

And sealing steel plates are arranged on the upper part and the lower part of the snakelike pipe frame. The upper and lower sealing steel plates ensure that the smoke gas does not leak in a closed space.

The length of the limiting steel pipe is smaller than the height of the coiled pipe supporting plate.

Compared with the prior art, the utility model has the beneficial effects that:

the coiled pipe fixing structure for in-line arrangement provided by the utility model has the advantages that the support steel plate is subjected to numerical control machining, the machining precision is high, and the cost is low. The structure is simple, all the supports depend on the self-supporting of the tube bundles and the supporting steel plates, the weight is light, and the cost of the supporting beam is saved. The manufacturing cost is low, and in the aspect of welding, all welding seams are on the outside, and the welding is convenient. The utility model has high utilization rate, and all the tube bundles are fully exposed in the flue gas to be washed and can be used for heat exchange. The tube bundle is not welded with the supporting steel plate and the limiting steel tube, the tube bundle can expand freely and is not constrained strongly, and the service life of the tube bundle is ensured. The interval of the coiled pipe is supported by the longitudinal position of the supporting steel plate and the relative position of the supporting steel plate, the longitudinal position of the coiled pipe is ensured, and the transverse position of the coiled pipe is limited by the positions of the limiting steel pipe and the waist-shaped hole. Therefore, the transverse and longitudinal relative positions of the tube bundle are fixed, and the condition of flue gas short circuit cannot occur. The sealing cavity is filled with heat-insulating materials without using refractory materials with high density, so that the whole weight is light, and the transportation and installation cost are saved. The utility model is modularized for assembling and leaving factory, the field assembly is convenient, the welding workload, the flaw detection workload and the water pressure workload are all small, and the welding joints are all outside, thereby being beneficial to the field inspection and the quality control.

Drawings

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

FIG. 2 is a second schematic diagram of the internal structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a diagram showing the positional relationship between the serpentine tube support plates, the limiting steel tubes, and the in-line serpentine tube bundles according to the present invention.

Reference numerals: 1. a serpentine tube support plate; 2. an in-line serpentine tube bundle; 3. a side sealing plate; 4. a heat-insulating layer; 5. and (5) limiting the steel pipe.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the coiled pipe fixed knot that is used for arranging in same row of this embodiment constructs, including the snakelike pipe support that a plurality of snakelike pipe layers welded and formed, snakelike pipe layer includes snakelike pipe backup pad 1, in same row snakelike tube bank 2 and spacing steel pipe 5, is provided with waist type hole in the snakelike pipe backup pad 1, in same row snakelike tube bank 2 sets up in waist type hole, in same row snakelike tube bank 2 runs through waist type hole setting, spacing steel pipe 5 welds in the snakelike pipe backup pad 1 outside, in same row snakelike tube bank 2's tip sets up on spacing steel pipe 5. The length of the limiting steel pipe 5 is smaller than the height of the coiled pipe support plate 1. The in-line serpentine tube bundle 2 penetrates through a waist-shaped hole formed in the serpentine tube supporting plate 1, the in-line serpentine tube bundle 2 is supported on the serpentine tube supporting plate 1 and conducts gravity to the serpentine tube supporting plate 1, and the serpentine tube supporting plate 1 conducts gravity to the steel frame. Spacing steel pipe 5 and the welding of coiled pipe backup pad 1, not with the tube bank welding, can guarantee the free expansion of in line snakelike tube bank 2, retrain the position and the direction of expansion of in line snakelike tube bank 2 again simultaneously. Each in-line serpentine tube bundle 2 corresponds to one serpentine tube supporting plate 1, and is directly upwards overlapped during installation, and the serpentine tube supporting plates 1 are fixedly welded.

The side part of the snakelike pipe frame is wrapped with a side sealing plate 3. The side patching sealing plate 3 is arranged outside, the outer leakage part of the tube bundle is covered and sealed, and the inner cavity of the side patching sealing plate is filled with a heat insulation material to be used as a heat insulation layer 4, so that the sealing and heat insulation performance is ensured. The snakelike pipe support is provided with sealing steel plates from top to bottom. The sealing steel plate ensures that the smoke does not leak in a closed space. The installation mode of the lateral sealing plate 3 and the sealing steel plate can be welding or bolt fixing, and the whole fixing structure is wrapped into a box body.

The utility model has simple structure, light weight and saved cost, and all the supports depend on the self-support of the tube bundle and the support steel plate. The manufacturing cost is low, and in the aspect of welding, all welding seams are on the outside, and the welding is convenient. The modularized assembly leaves the factory, and the site assembly is convenient, and welding work load, the work load of detecting a flaw, water pressure work load are all less, and welded joint is all outside moreover, are favorable to the site inspection, are favorable to quality control.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. A coiled pipe fixing structure for in-line arrangement is characterized in that: including the snakelike pipe support that a plurality of snakelike pipe layers welded and formed, snakelike pipe layer includes snakelike pipe backup pad (1), arranges snakelike tube bank (2) and spacing steel pipe (5) in the same direction as, be provided with waist type hole on snakelike pipe backup pad (1), it sets up in waist type hole in the same direction as arranging snakelike tube bank (2), it runs through waist type hole setting in the same direction as arranging snakelike tube bank (2), spacing steel pipe (5) weld in the snakelike pipe backup pad (1) outside, the tip of arranging snakelike tube bank (2) in the same direction as sets up on spacing steel pipe (5).

2. A serpentine tube securement structure for in-line placement according to claim 1, wherein: the side part of the serpentine pipe frame is wrapped with a side part sealing plate (3).

3. A serpentine tube securement structure for in-line placement as recited in claim 2, wherein: and sealing steel plates are arranged on the upper part and the lower part of the snakelike pipe frame.

4. A serpentine tube fixation structure for in-line placement according to claim 3, wherein: and a heat insulation layer (4) is arranged between the side sealing plate (3) and the snakelike pipe frame.

5. A serpentine tube securement structure for in-line placement according to claim 4, wherein: the length of the limiting steel pipe (5) is smaller than the height of the coiled pipe support plate (1).

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