Device for eliminating ice blockage of natural gas pipeline

Abstract

The utility model belongs to the technical field of natural gas, and particularly relates to a natural gas pipeline ice blockage eliminating device which comprises a mounting pipe, a steam heating pipe sleeved on the surface of the mounting pipe, a connecting flange arranged at the opening end of the steam heating pipe, a first bolt transversely penetrating through the side wall of the connecting flange, and a discharge pipe in threaded connection with the side wall of the first bolt. The inner wall of the natural gas pipe abuts against the transverse end surface of the mounting pipe, the top surface of the rubber sleeve abuts against an upper hoop, the side wall of the upper hoop is rotationally connected with a lower hoop through a rotating shaft, and the other side of the lower hoop abuts against the bottom of the upper hoop and is connected with a second bolt in a longitudinal penetrating mode. Through mutual cooperation of the mounting pipe, the steam heating pipe, the connecting flange, the first bolt, the exhaust pipe, the steam boiler and the gas inlet pipe, the steam heating pipe and the steam boiler which are arranged on the surface of the mounting pipe mounted between the natural gas pipes are used for performing steam heating on the mounting pipe, so that the situation that the natural gas pipes are affected by low temperature and ice blockage occurs is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to natural gas technical field, concretely relates to a kind of elimination device of natural gas pipeline ice block. BACKGROUND

[0002] With the rapid development of natural gas pipeline construction in recent years, natural gas is more and more important in national production and life. In the northern region, the weather is cold in winter, and when the natural gas distribution station supplies gas to each user, the flow needs to be adjusted by the pressure regulating valve, causing the gas temperature behind the pressure regulating valve to drop sharply, and water vapor, hydrocarbons and other impurities to condense into natural gas hydrate, and then produce ice block phenomenon. Natural gas pipeline ice block is easy to damage the equipment and facilities on the production pipeline, affecting normal gas transmission production, and the "natural gas pipeline ice block elimination device" disclosed in application No. "CN210485021U" is also a mature technology.

[0003] However, the device still has the following defects: the above-mentioned equipment in use, the existing natural gas pipeline uses insulation board and insulation cotton for insulation to avoid ice block, but when the temperature drops in cold weather and hydrate forms, ice block phenomenon will still occur in the natural gas pipeline, affecting the transmission of natural gas. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a kind of elimination device of natural gas pipeline ice block, to solve the above-mentioned equipment in use in prior art, the existing natural gas pipeline uses insulation board and insulation cotton for insulation to avoid ice block, but when the temperature drops in cold weather and hydrate forms, ice block phenomenon will still occur in the natural gas pipeline, affecting the transmission of natural gas.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an elimination device of natural gas pipeline ice block, comprising: a mounting pipe, the mounting pipe surface is sleeved with a steam heating pipe, the steam heating pipe opening end is provided with a connecting flange, the connecting flange side wall is transversely penetrated by a first bolt, the first bolt side wall is threadedly connected to one side of a discharge pipe, and the discharge pipe side wall abuts against the surface of the connecting flange, the other side of the discharge pipe is threadedly connected to the recovery port of a steam boiler, the inner wall of the other side of the steam boiler is threadedly connected to an air inlet pipe, the air inlet pipe is transversely penetrated by a first bolt threadedly connected to the connecting flange, the two sides of the mounting pipe are respectively sleeved with a rubber sleeve, the inner wall of the rubber sleeve is sleeved with the surface of a natural gas pipe, and the inner wall of the natural gas pipe abuts against the surface of the transverse end of the mounting pipe, the top surface of the rubber sleeve abuts against an upper hoop, the side wall of the upper hoop is rotatably connected to a lower hoop by a shaft, and the other side of the lower hoop abuts against the bottom of the upper hoop and is longitudinally penetrated by a second bolt.

[0006] In order to make the connection flange and the first bolt cooperate and fix the connection of the steam heating pipe and the transmission pipeline, as a kind of natural gas pipeline ice block elimination device, the steam heating pipe, the connection flange, the first bolt, the discharge pipe and the air inlet pipe form a threaded connection structure, the discharge pipe and the air inlet pipe are respectively provided with flanges on one side, and the shape and size of the flanges are matched with the connection flange.

[0007] In order to make the rubber sleeve be sleeved on the installation pipe to fill the gap between the installation pipe and the natural gas pipe, as a kind of natural gas pipeline ice block elimination device, the installation pipe, the rubber sleeve and the natural gas pipe form an elastic sleeve structure.

[0008] In order to make the rubber sleeve be sleeved on the surface of the natural gas pipe, as a kind of natural gas pipeline ice block elimination device, the rubber sleeve is made of high-temperature-resistant elastic material, and a through groove matched with the natural gas pipe is formed in the inner wall of the rubber sleeve.

[0009] In order to make the rotating shaft adjust the opening and closing of the upper and lower clamping rings, as a kind of natural gas pipeline ice block elimination device, the upper clamping ring, the rotating shaft and the lower clamping ring form a rotary connection structure.

[0010] In order to make the second bolt fix the connection of the upper and lower clamping rings, so as to fix the position of the rubber sleeve and the natural gas pipe on the surface of the installation pipe, as a kind of natural gas pipeline ice block elimination device, the upper clamping ring, the lower clamping ring and the second bolt form a threaded connection structure, the upper clamping ring and the lower clamping ring form an annular structure, and the shape and size of the annular structure are matched with the rubber sleeve and the natural gas pipe.

[0011] Compared with the prior art, the natural gas pipeline ice block elimination device has the following beneficial effects:

[0012] Through the cooperation between the installation pipe, the steam heating pipe, the connection flange, the first bolt, the discharge pipe, the steam boiler and the air inlet pipe, the installation pipe is heated by the steam heating pipe and the steam boiler installed on the surface of the installation pipe between the natural gas pipes, so as to avoid the ice block of the natural gas pipe caused by low temperature;

[0013] Through the cooperation between the installation pipe, the rubber sleeve, the natural gas pipe, the upper clamping ring, the rotating shaft, the lower clamping ring and the second bolt, the position of the natural gas pipe on the installation pipe is fixed, so as to facilitate the disassembly and fixation of the natural gas pipe and the installation pipe, and the maintenance and replacement of the natural gas pipe and the installation pipe. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0015] Figure 1 It is the front view structure schematic view of the utility model;

[0016] Figure 2 It is the side view structure schematic view of the utility model;

[0017] Figure 3 It is the utility model's Figure 2 A part amplification structure schematic view of the utility model;

[0018] Figure 4 It is the utility model's installation pipe and rubber sleeve part amplification structure schematic view.

[0019] In the drawing: 1, installation pipe;2, steam heating pipe;3, connecting flange;4, first bolt;5, discharge pipe;6, steam boiler;7, air inlet pipe;8, rubber sleeve;9, natural gas pipe;10, upper hoop ring;11, rotating shaft;12, lower hoop ring;13, second bolt. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figures 1-4The utility model provides the following technical scheme: a natural gas pipeline ice block's elimination device, include: installation pipe 1, installation pipe 1 surface cover steam heating pipe 2, steam heating pipe 2 open end is equipped with the connecting flange 3, the connecting flange 3 lateral wall transversely passes through first bolt 4, and first bolt 4 lateral wall is connected in the one side of discharge pipe 5 with thread, and discharge pipe 5 lateral wall abuts at the connecting flange 3 surface, and the other side of discharge pipe 5 is connected with steam boiler 6 recovery mouth with thread, and the other side control valve inner wall of steam boiler 6 is connected with inlet pipe 7 with thread, and the other side of inlet pipe 7 transversely passes through first bolt 4 and is connected with connecting flange 3 with thread in the one side, and installation pipe 1 both sides are covered rubber sleeve 8 respectively, and rubber sleeve 8 inner wall cover natural gas pipe 9 surface, and natural gas pipe 9 inner wall abuts at installation pipe 1 horizontal end surface, and rubber sleeve 8 top surface abuts on hoop ring 10, and hoop ring 10 lateral wall is rotatably connected with lower hoop ring 12 by pivot 11, and lower hoop ring 12 the other side abuts on hoop ring 10 bottom and longitudinally passes through and connects second bolt 13, the installation pipe 1, steam heating pipe 2 and steam boiler 6 of design in the main body of elimination mechanism of natural gas pipeline ice block are formed, and a large number of related components are provided in the main body of elimination mechanism of natural gas pipeline ice block, and steam heating pipe 2 and steam boiler 6 in the design scheme are prior art, and the core content of the technical scheme is irrelevant, therefore the technical scheme does not make too much description to it.

[0022] The model of the steam boiler 6 in the present scheme is: steam generator-small electric steam boiler.

[0023] In use: the steam heating pipe 2 is a heat transfer medium between the small electric steam boiler and the natural gas pipeline. Steam flows in the heating pipe and transfers the heat energy it carries to the natural gas pipeline. This process is mainly based on the principles of heat conduction and convection. Heat conduction refers to the process of heat transfer from a high-temperature object (steam heating pipe) to a low-temperature object (natural gas pipeline) through contact. Convection is the movement of fluid (steam in this case) caused by temperature differences, which accelerates the transfer of heat and prevents ice blockage in the natural gas pipeline 9.

[0024] Preferably: the steam heating pipe 2, the connecting flange 3, the first bolt 4, the discharge pipe 5, and the inlet pipe 7 form a threaded connection structure. The discharge pipe 5 and the inlet pipe 7 are provided with flanges on one side, and the shape and size of the flanges are adapted to the connecting flange 3.

[0025] In specific use, the connecting flange 3 and the first bolt 4 provided on both open ends of the steam heating pipe 2 facilitate the connection of the steam heating pipe 2 with the discharge pipe 5 and the inlet pipe 7.

[0026] Preferably: the installation pipe 1, the rubber sleeve 8, and the natural gas pipeline 9 form an elastic sleeve structure.

[0027] Specific use, the rubber tube 8 is sleeved on the surface of the natural gas pipe 9, and the gap between the natural gas pipe 9 and the installation pipe 1 is filled.

[0028] Preferably, the rubber sleeve 8 is made of high-temperature-resistant elastic material, and the inner wall of the rubber sleeve 8 is provided with a through groove matched with the natural gas pipe 9.

[0029] Specific use, the rubber tube 8 is sleeved on the surface of the natural gas pipe 9, and the gap between the natural gas pipe 9 and the installation pipe 1 is filled.

[0030] Preferably, the upper hoop 10, the shaft 11 and the lower hoop 12 form a rotating connection structure.

[0031] Specific use, the rubber tube 8 is sleeved on the surface of the natural gas pipe 9, and the gap between the natural gas pipe 9 and the installation pipe 1 is filled.

[0032] Preferably, the upper hoop 10, the lower hoop 12 and the second bolt 13 form a threaded connection structure, the upper hoop 10 and the lower hoop 12 form an annular structure, and the annular structure is matched with the rubber sleeve 8 and the natural gas pipe 9 in shape and size.

[0033] Specific use, the rubber tube 8 is sleeved on the surface of the natural gas pipe 9, and the gap between the natural gas pipe 9 and the installation pipe 1 is filled.

[0034] Working principle: the rubber tube 8 is sleeved on the surface of the natural gas pipe 9, and the gap between the natural gas pipe 9 and the installation pipe 1 is filled.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A device for the removal of ice blockages from a natural gas pipeline, comprising: The utility model provides an installation pipe (1), its characterized in be to: installation pipe (1) surface sleeve steam heating pipe (2), steam heating pipe (2) open end is equipped with connecting flange (3), connecting flange (3) side wall transversely penetrates first bolt (4), first bolt (4) side wall is connected with the one side of exhaust pipe (5) in screw thread, and exhaust pipe (5) side wall abuts at connecting flange (3) surface, and the other side of exhaust pipe (5) is connected with steam boiler (6) recovery mouth in screw thread, and the other side control valve inner wall of steam boiler (6) is connected with air inlet pipe (7) in screw thread, and air inlet pipe (7) the other side transversely penetrates first bolt (4) and is connected with connecting flange (3) in screw thread, and installation pipe (1) both sides are equipped with rubber sleeve (8) respectively, and rubber sleeve (8) inner wall sleeve natural gas pipe (9) surface, and natural gas pipe (9) inner wall abuts at installation pipe (1) transverse end surface, and rubber sleeve (8) top surface abuts upper hoop ring (10), and upper hoop ring (10) side wall utilizes pivot (11) rotation and connects lower hoop ring (12), and lower hoop ring (12) the other side abuts at upper hoop ring (10) bottom and longitudinally penetrates and is connected second bolt (13).

2. A device for removing ice blockages from a natural gas pipeline according to claim 1, characterized in that: Steam heating pipe (2), connecting flange (3), first bolt (4), exhaust pipe (5) and air inlet pipe (7) constitute screw thread connection structure, and the one side of exhaust pipe (5) and air inlet pipe (7) is equipped with flange plate respectively, and the shape size of flange plate is compatible with connecting flange (3).

3. The apparatus of claim 1, wherein: Installation pipe (1), rubber sleeve (8) and natural gas pipe (9) constitute elastic sleeve structure.

4. A device for removing ice blockages from a natural gas pipeline according to claim 3, wherein: The rubber sleeve (8) is made of high-temperature-resistant elastic material, and the inner wall of the rubber sleeve (8) is provided with a through groove compatible with the natural gas pipe (9).

5. The apparatus of claim 1, wherein: The upper hoop ring (10), the pivot (11) and the lower hoop ring (12) constitute a rotating connection structure.

6. A device for removing ice blockages from a natural gas pipeline according to claim 5, wherein: The upper hoop ring (10), the lower hoop ring (12) and the second bolt (13) constitute a threaded connection structure, the upper hoop ring (10) and the lower hoop ring (12) constitute an annular structure, and the shape and size of the annular structure are compatible with the rubber sleeve (8) and the natural gas pipe (9).

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