Supporting device for drain pipe of steam pipeline

Abstract

The utility model discloses a supporting device for a drain pipe of a steam pipeline, which is characterized in that a heat-insulating layer of the steam main pipe is fixedly adhered to the outer surface of the steam main pipe, a water collector is arranged at the bottom of the steam main pipe, the water collector is connected with the drain pipe, and a plurality of stop valves are arranged on the drain pipe; a plurality of hoops are clamped outside the steam main pipe heat preservation layer at intervals, a middle connecting plate is detachably and fixedly arranged on the outer surface of each hoop, and a supporting frame is fixedly arranged below each middle connecting plate; the supporting frame comprises a plurality of vertical connecting frames arranged in parallel and a single transverse connecting frame fixedly arranged at the bottom ends of the vertical connecting frames. The transverse connecting frame is connected with the drain pipe through a U-shaped pipe clamp. The middle connecting plate is detachably arranged on the outer surface of the hoop, so that the hoop is convenient to disassemble or replace in the later period, and a heat preservation layer of the steam main pipe is not damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of steam pipeline draining, in particular to a supporting device for a steam pipeline drain pipe. Background Art

[0002] At present, steam pipes are widely used, mainly in heating, industrial production (petrochemical, metallurgy, electricity), construction, food processing and other fields. Since the pressure and temperature of steam are generally high, various application scenarios have put forward high requirements on the safety and reliability of steam pipes. In order to remove condensed water in the steam pipe in time and avoid problems such as pipe corrosion and water hammer caused by water accumulation, and to speed up the startup speed and maintain the efficient operation of the system, the steam pipe needs to be equipped with a drain. The safety of steam pipe drainage is an important guarantee for the efficient and safe operation of the steam system.

[0003] Existing steam pipelines, especially long-distance heating steam pipelines, still have the following defects:

[0004] 1) Due to pipeline layout, some places with large thermal displacement need to be equipped with drain pipes according to the requirements of standards and specifications. However, most of the drain pipes are laid by the construction units according to the on-site conditions, which may cause the thermal expansion of the drain pipes to be blocked and the stress level of the pipes to be too high and cracked;

[0005] 2) In water areas or other areas with poor geology, it is impossible or difficult for drainage pipe supports to take root in the ground.

[0006] Therefore, it is urgent to propose a new solution to solve the above problems. Summary of the invention

[0007] The utility model provides a supporting device for a steam pipeline drain pipe, which solves the problem that the prior art often requires self-laying according to on-site conditions, there are risks of thermal expansion of the drain pipe being hindered, the pipe stress level being too high and being torn, and the drain pipe support bracket being unable or difficult to take root in the ground in water areas or other areas with poor geology.

[0008] The utility model provides a supporting device for a steam pipeline drain pipe, wherein a steam main pipe insulation layer is fixedly bonded to the outer surface of the steam main pipe, a water collector is arranged at the bottom of the steam main pipe, the water collector is connected to a drain pipe, and a plurality of stop valves are arranged on the drain pipe;

[0009] A plurality of hoops are clamped at intervals outside the insulation layer of the steam main pipe, and a middle connecting plate is detachably fixedly provided on the outer surface of each of the hoops, and a support frame is fixedly provided below the middle connecting plate;

[0010] The support frame includes a plurality of vertical connecting frames arranged in parallel with each other and a single horizontal connecting frame fixedly arranged at the bottom end of the vertical connecting frames;

[0011] The transverse connecting frame is connected with the drain pipe through a U-shaped pipe clamp.

[0012] Furthermore, the clamp and the middle connecting plate are connected via a plurality of bolt fastening structures.

[0013] Furthermore, the drain pipe outer shell is provided with a drain pipe insulation layer.

[0014] Furthermore, the vertical connecting frame and / or the transverse connecting frame are angle steels or I-beams.

[0015] Furthermore, a shock-absorbing material is provided between the U-shaped pipe clamp and the drain pipe.

[0016] Furthermore, the two free ends of the U-shaped pipe clamp are connected to the transverse connecting frame through a plurality of bolts.

[0017] Furthermore, at least one intermediate horizontal connecting frame is transversely connected between two adjacent vertical connecting frames, and a plurality of the intermediate horizontal connecting frames are arranged in parallel with the transverse connecting frames.

[0018] Furthermore, the materials of the vertical connecting frame, the horizontal connecting frame, the clamp and the U-shaped pipe clamp are all Q235B.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The utility model adopts a preformed clamp sleeve fixed on the outside of the steam main insulation layer, the support frame is fixed on the outside of the steam main insulation layer through the intermediate connecting plate, and then the transverse connecting frame and the drain pipe are connected through the U-shaped pipe clamp. When the steam main expands thermally, the drain pipe moves synchronously with the steam main pipe, eliminating the risk of the drain pipe being torn due to thermal expansion obstruction and excessive stress level of the pipe. In addition, the outer surface of the clamp is detachably provided with an intermediate connecting plate, which is convenient for later disassembly or replacement of the clamp without damaging the steam main insulation layer; in addition, the drain pipe does not need to be installed on the ground, and no additional civil construction is required, which can be adapted to water areas or other areas with poor geology;

[0021] 2. The utility model ensures the overall strength by providing a support frame composed of a vertical connecting frame, a transverse connecting frame and an intermediate horizontal connecting frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a front view of a supporting device for a steam pipeline drain pipe according to the utility model;

[0023] Figure 2It is a transverse cross-sectional view of a supporting device for a steam pipeline drain pipe of the utility model;

[0024] Figure 3 This is a schematic diagram of the installation of the U-shaped pipe clamp of the utility model;

[0025] Figure numerals: 11, steam main pipe; 12, steam main pipe insulation layer; 13, drain pipe; 14, drain pipe insulation layer; 15, stop valve; 16, water collector; 2, support frame; 21, vertical connecting frame; 22, horizontal connecting frame; 23, middle horizontal connecting frame; 3, clamp; 4, middle connecting plate; 5, U-shaped pipe clamp. DETAILED DESCRIPTION

[0026] In order to further understand the content, features and functions of the utility model, the following embodiments are given, together with the attached Figures 1 to 3 The detailed instructions are as follows.

[0027] like Figures 1 to 3 As shown, this embodiment provides a support device for a steam pipe drain pipe, wherein a steam main pipe insulation layer 12 is fixedly bonded to the outer surface of the steam main pipe 11, a water collector 16 is provided at the bottom of the steam main pipe 11, the water collector 16 is connected to a drain pipe 13, a plurality of stop valves 15 are provided on the drain pipe 13, a plurality of clamps 3 are clamped at intervals outside the steam main pipe insulation layer 12, an intermediate connecting plate 4 is detachably fixedly provided on the outer surface of a single clamp 3, and a support frame 2 is fixedly provided below the intermediate connecting plate 4;

[0028] The support frame 2 includes two vertical connecting frames 21 arranged parallel to each other and a single horizontal connecting frame 22 fixedly arranged at the bottom of the vertical connecting frames 21 by welding;

[0029] The transverse connecting frame 22 is connected to the drain pipe 13 through the U-shaped pipe clamp 5 .

[0030] The utility model adopts a preformed clamp sleeve to be fixed on the outside of the insulation layer of the steam main pipe, the support frame is fixed on the outside of the insulation layer of the steam main pipe through an intermediate connecting plate, and then the transverse connecting frame and the drain pipe are connected through a U-shaped pipe clamp. When the steam main pipe expands thermally, the drain pipe moves synchronously with the steam main pipe, eliminating the risk of the drain pipe being torn due to the obstruction of thermal expansion and the excessively high stress level of the pipe. In addition, the outer surface of the clamp is detachably provided with an intermediate connecting plate, which is convenient for later disassembly or replacement of the clamp without damaging the insulation layer of the steam main pipe; in addition, the drain pipe does not need to be installed on the ground, and no additional civil construction is required, so it can be adapted to water areas or other areas with poor geology.

[0031] In this embodiment, Figure 2 As shown, the drain pipe 13 is provided with a drain pipe insulation layer 14 on its outer shell, which can keep the drain pipe 13 warm.

[0032] In this embodiment, the vertical connecting frame 21 and the horizontal connecting frame 22 are I-beams, but they may also be angle steels.

[0033] In this embodiment, a shock absorbing material (not shown in the figure) is provided between the U-shaped pipe clamp 5 and the drain pipe 13, which may be rubber, sponge, etc., and may also provide a space for thermal expansion.

[0034] In this embodiment, Figure 2 As shown, the two free ends of the U-shaped pipe clamp 5 are connected to the transverse connecting frame 22 through multiple bolts, and the free ends are the two sides corresponding to the opening of the U-shaped pipe clamp 5. The cooperation between the U-shaped pipe clamp 5 and the bolts facilitates the connection between the transverse connecting frame 22 and the drain pipe 13.

[0035] In this embodiment, Figure 2 As shown, a single intermediate horizontal connecting frame 23 is transversely connected between two adjacent vertical connecting frames 21 . The intermediate horizontal connecting frame 23 is arranged in parallel with the transverse connecting frame 22 , so as to improve the strength of the supporting frame 2 as a whole.

[0036] In this embodiment, the vertical connecting frame 21, the horizontal connecting frame 22, the clamp 3 and the U-shaped pipe clamp 5 are all made of Q235B, and the surface is rust-removed and shot-peened to ensure the overall strength and service life.

[0037] The utility model described above only expresses the implementation method of the utility model embodiment, and cannot be understood as limiting the scope of the utility model patent, nor is it any form of limitation on the structure of the utility model embodiment. It should be pointed out that for ordinary technicians in this field, several changes and improvements can be made without departing from the concept of the utility model embodiment, which all belong to the protection scope of the utility model embodiment.

Claims

1. A supporting device for a steam pipe drain pipe, wherein a steam pipe insulation layer (12) is fixedly bonded to the outer surface of the steam pipe (11), a water collector (16) is arranged at the bottom of the steam pipe (11), the water collector (16) is connected to a drain pipe (13), and a plurality of stop valves (15) are arranged on the drain pipe (13), characterized in that: A plurality of hoops (3) are clamped at intervals outside the steam main pipe insulation layer (12); an intermediate connecting plate (4) is detachably fixedly provided on the outer surface of each of the hoops (3); and a support frame (2) is fixedly provided below the intermediate connecting plate (4); The support frame (2) comprises a plurality of vertical connecting frames (21) arranged in parallel with each other and a single horizontal connecting frame (22) fixedly arranged at the bottom end of the vertical connecting frame (21); The transverse connecting frame (22) is connected to the drain pipe (13) via a U-shaped pipe clamp (5).

2. A supporting device for a steam pipeline drain pipe according to claim 1, characterized in that: The clamp (3) and the middle connecting plate (4) are connected via a plurality of bolt fastening structures.

3. A supporting device for a steam pipeline drain pipe according to claim 1, characterized in that: The drain pipe (13) is provided with a drain pipe insulation layer (14) on its outer shell.

4. A supporting device for a steam pipeline drain pipe according to claim 1, characterized in that: The vertical connecting frame (21) and / or the horizontal connecting frame (22) are angle steels or I-beams.

5. A supporting device for a steam pipeline drain pipe according to claim 1, characterized in that: A shock-absorbing material is provided between the U-shaped pipe clamp (5) and the drain pipe (13).

6. A supporting device for a steam pipeline drain pipe according to claim 1, characterized in that: The two free ends of the U-shaped pipe clamp (5) are connected to the transverse connecting frame (22) via a plurality of bolts.

7. A supporting device for a steam pipeline drain pipe according to claim 1, characterized in that: At least one intermediate horizontal connecting frame (23) is transversely connected between two adjacent vertical connecting frames (21), and a plurality of the intermediate horizontal connecting frames (23) are arranged in parallel with the transverse connecting frames (22).

8. A supporting device for a steam pipeline drain pipe according to claim 1, characterized in that: The materials of the vertical connecting frame (21), the transverse connecting frame (22), the clamp (3) and the U-shaped pipe clamp (5) are all Q235B.

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