Buckle type heat tracing jacketed pipe

Abstract

The utility model relates to the technical field of chemical process pipelines, and discloses a buckle type heat tracing jacketed pipe which comprises two clamping plates, the two clamping plates are in butt joint and closed to form a circular pipe sleeve, a heating cavity used for wrapping an inner pipe is formed in the circular pipe sleeve, an edge end face is formed on one clamping plate, a plurality of buckling heads are arranged on the edge end face in a protruding mode, and the buckling heads are connected with the clamping plates. An attaching end face is formed on the other clamping plate, and the attaching end face is sunken inwards to form a plurality of buckling grooves with the same appearance as the buckling heads; the two clamping plates are embedded into the buckling grooves through the buckling heads to be connected in a buckled mode, a screw fixing method is replaced by the buckle type heat tracing clamping sleeve pipe, the equipment fixing stability is improved, the service life of equipment is effectively prolonged, the installation rapidness, safety and reliability are effectively improved, and the heat tracing failure risk and the accident rate are reduced; the problem that the installation process of the heat tracing jacket pipe is tedious is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical process pipeline, specifically, it relates to buckle type heat tracing jacket pipe. BACKGROUND

[0002] On the device of petroleum chemical industry, chemical fiber etc., in order to ensure that the material has initial temperature in the processing, improves processing efficiency, generally carries out heat tracing operation in the process of pipeline transportation of the material.

[0003] The existing jacket pipe includes heat tracing pipe, that is, is provided with inner pipe and outer pipe sleeved on the outer of inner pipe, in the use process, inner pipe transports process material, and outer pipe transports medium such as steam, hot water, realizes heat exchange operation with the process material transported in inner pipe, so that process material can maintain certain temperature when being sent out, satisfies processing demand.

[0004] However, the existing heat tracing pipe is all installed by screw, and needs to protrude screw connecting strip to occupy space, and the installation process is troublesome, not only firm installation, but also easy to crack when screw is dropped, and inconvenient to disassemble and assemble, and the sealing is also not good. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing buckle type heat tracing jacket pipe, aims at solving the problem of complicated installation process of heat tracing jacket pipe in prior art.

[0006] The utility model is realized in this way, buckle type heat tracing jacket pipe, including two clamps, two The clamp is half-round setting, and the two The clamp is closed to form a circular sleeve between, the circular sleeve is formed with heating cavity for wrapping inner pipe, one The clamp is formed with edge end face, the edge end face is provided with a plurality of buckling heads, another The clamp is formed with the end face that sticks together, the edge end face and the end face that sticks together are mutually butted arrangement, the end face that sticks together is recessed to the inside and is formed with a plurality of buckling grooves same as the appearance of buckling head, two The clamp is connected through the buckling head embedded in the buckling groove.

[0007] Further, the upper and lower sides of one The clamp are provided with edge end face, a plurality of The buckling head is sequentially arranged along the length direction of the edge end face, and the upper and lower sides of another The clamp are provided with the end face that sticks together, a plurality of The buckling groove is sequentially arranged along the length direction of the end face that sticks together.

[0008] Further, the buckling groove includes a transverse groove and a circular groove, the outer end of the transverse groove is communicated through the end face that sticks together, the inner end of the transverse groove is communicated with the circular groove, and the circular groove and the transverse groove are communicated through another The clamp.

[0009] Further, the buckle head comprises a connecting strip and a circular head, one end of the connecting strip is fixed on the edge end face, and the other end of the connecting strip is fixedly connected with the circular head.

[0010] Further, the diameter of the circular head is greater than the width of the connecting strip.

[0011] Further, a limiting edge portion is arranged on the top of the buckle head, the limiting edge portion is arranged along the circumference of the buckle head, and the limiting edge portion is exposed outside the buckle groove.

[0012] Further, a sealing layer formed by extrusion is arranged on the bottom of the limiting edge portion and extends along the length direction of the limiting edge portion.

[0013] Further, a heat preservation cotton layer is arranged on the inner side wall of the heating cavity.

[0014] Further, flange joints communicating with the heating cavity are arranged on the two clamping plates.

[0015] Further, an opening groove for exposing a valve or an instrument is arranged on the circular pipe sleeve.

[0016] Compared with the prior art, the buckle type heat tracing jacket pipe provided by the utility model is connected through the buckle head embedded in the buckle groove, the buckle type heat tracing jacket pipe replaces the screw fixing method, increases the equipment fixing stability, effectively improves the equipment service life, installation speed, safety, reliability, reduces the heat tracing failure risk and accident rate, and solves the problem that the heat tracing jacket pipe is complicated to install. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a top view structure schematic diagram of the buckle type heat tracing jacket pipe provided by the utility model;

[0018] Fig. 2 is a top view exploded structure schematic diagram of the buckle type heat tracing jacket pipe provided by the utility model;

[0019] Fig. 3 is a front view sectional structure schematic diagram of the buckle type heat tracing jacket pipe provided by the utility model.

[0020] In the drawing: clamping plate 10, circular pipe sleeve 20, flange joint 30, opening groove 40, edge end face 11, buckle head 12, abutting end face 13, buckle groove 14, limiting edge portion 15, sealing layer 16, connecting strip 121, circular head 122, transverse groove 141, circular groove 142, heating cavity 21, heat preservation cotton layer 22. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will make further detailed description to the utility model by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0022] The implementation of the utility model will be described in detail in combination with specific examples.

[0023] In the drawings of the embodiments, the same or similar reference numerals correspond to the same or similar components; in the description of the utility model, it should be understood that the orientations or positional relationships indicated by terms such as 'upper', 'lower', 'left', 'right' are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing the positional relationships in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the utility model, for ordinary skilled persons in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0024] Referring to Figs. 1-3 The preferred embodiment provided by the utility model is shown in the drawings.

[0025] The buckle type heat tracing jacket pipe comprises two clamping plates 10, the two clamping plates 10 are both arranged in a semicircle, and the two clamping plates 10 are butt-jointed and closed to form a circular pipe sleeve 20, a heating cavity 21 for wrapping an inner pipe is formed in the circular pipe sleeve 20, an edge end face 11 is formed on one clamping plate 10, a plurality of buckling heads 12 are protruded on the edge end face 11, a matching end face 13 is formed on the other clamping plate 10, the edge end face 11 and the matching end face 13 are arranged in mutual butt joint, the matching end face 13 is recessed inward to form a plurality of buckling grooves 14 which are the same in shape as the buckling heads 12, and the two clamping plates 10 are buckled and connected through the buckling heads 12 embedded in the buckling grooves 14.

[0026] The buckle type heat tracing jacket pipe provided above is buckled and connected through the buckling heads 12 embedded in the buckling grooves 14, the buckle type heat tracing jacket pipe replaces the screw fixing method, increases the fixing stability of the equipment, effectively improves the service life of the equipment, installation speed, safety, reliability, reduces the risk of heat tracing failure and accident rate, and solves the problem of complicated installation process of the heat tracing jacket pipe.

[0027] In the embodiment, the upper and lower sides of one clamping plate 10 are provided with edge end faces 11, a plurality of buckling heads 12 are arranged along the length direction of the edge end faces 11 in sequence and at intervals, the upper and lower sides of the other clamping plate 10 are provided with abutting end faces 13, and a plurality of buckling grooves 14 are arranged along the length direction of the abutting end faces 13 in sequence and at intervals. In this way, the density of buckling connection can be increased, the density of buckle type installation is further increased through the arrangement of the upper and lower sides of the clamping plate 10, and the stability of the buckling structure between the two clamping plates 10 is increased.

[0028] In the embodiment, the buckling groove 14 includes a transverse groove 141 and a circular groove 142, the outer end of the transverse groove 141 penetrates the abutting end face 13, the inner end of the transverse groove 141 communicates with the circular groove 142, and the circular groove 142 and the transverse groove 141 both penetrate the other clamping plate 10.

[0029] The buckling head 12 includes a connecting strip 121 and a circular head 122, one end of the connecting strip 121 is fixed on the edge end face 11, and the other end of the connecting strip 121 is fixedly connected with the circular head 122.

[0030] Through embedding the circular head 122 in the circular groove 142 and embedding the connecting strip 121 in the transverse groove 141, the separation of the two clamping plates 10 is limited, the convenience of buckle type installation is further increased, and the stability of the structure is also increased.

[0031] In the embodiment, the diameter of the circular head 122 is greater than the width of the connecting strip 121. In this way, the circular head 122 can be clamped in the circular groove 142, and the two clamping plates 10 can be prevented from being separated at will in use.

[0032] In the embodiment, a limiting edge portion 15 is arranged on the top of the buckling head 12, the limiting edge portion 15 is arranged in a circumferential direction of the buckling head 12, and the limiting edge portion 15 is exposed outside the buckling groove 14. In this way, the buckling head 12 can be prevented from being embedded excessively through the limiting edge portion 15, the installation between the two clamping plates 10 is prevented from being unstable, and the gap between the buckling head 12 and the buckling groove 14 after connection can be covered by the limiting edge portion 15, and the sealing effect is increased.

[0033] In the embodiment, a sealing layer 16 that is extruded and deformed is arranged on the bottom of the limiting edge portion 15, and the sealing layer 16 extends and is arranged along the length direction of the limiting edge portion 15. In this way, the gap between the buckling head 12 and the buckling groove 14 after connection can be sealed by the limiting edge portion 15 through the sealing layer 16, and the sealing effect is further increased.

[0034] In the embodiment, a heat preservation cotton layer 22 is arranged on the inner side wall of the heating cavity 21. In this way, the heat preservation effect of medium flow can be increased through the heat preservation cotton layer 22.

[0035] In the embodiment, the two clamping plates 10 are provided with flange joints 30 communicated with the heating cavity 21. In this way, the heat preservation medium can be communicated with the flange joints 30 to enter the heating cavity 21 to perform heat exchange and heat preservation on the inner tube.

[0036] In the embodiment, the circular pipe sleeve 20 is provided with an open slot 40 for exposing the valve or instrument. In this way, the valve or instrument can be exposed through the open slot 40.

[0037] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A snap-on heat tracing jacketed pipe, characterized by, Two clamping plates are provided, both of which are semi-circular, and are closed to form a circular sleeve with a heating cavity for wrapping an inner tube.

2. The snap-type heat-tracing jacketed pipe according to claim 1, wherein The upper and lower sides of one clamping plate are provided with edge end faces, and a plurality of buckling heads are arranged along the length direction of the edge end face.

3. The snap-type heat-tracing jacketed pipe according to claim 1, wherein The upper and lower sides of the other clamping plate are provided with abutting end faces, and a plurality of buckling grooves are arranged along the length direction of the abutting end face.

4. The snap-type heat-tracing jacketed pipe according to claim 3, wherein The buckling grooves include a transverse groove and a circular groove, the outer end of the transverse groove penetrates the abutting end face, and the inner end of the transverse groove communicates with the circular groove.

5. The snap-type heat-tracing jacketed pipe according to claim 4, wherein The buckling heads include a connecting strip and a circular head, one end of the connecting strip is fixed to the edge end face, and the other end of the connecting strip is fixedly connected with the circular head.

6. The snap-type heat-tracing jacketed pipe according to any one of claims 1 to 5, wherein The diameter of the circular head is greater than the width of the connecting strip.

7. The snap-type heat-tracing jacketed pipe according to claim 6, wherein A limiting edge is arranged on the top of the buckling head, the limiting edge is arranged around the circumference of the buckling head, and the limiting edge is exposed outside the buckling groove.

8. The snap-type heat-tracing jacketed pipe according to claim 1, wherein A sealing layer is arranged on the bottom of the limiting edge, and the sealing layer extends along the length direction of the limiting edge.

9. The snap-type heat-tracing jacketed pipe according to claim 1, wherein A heat preservation cotton layer is arranged on the inner side wall of the heating cavity.

10. The snap-type heat-tracing jacketed pipe according to claim 1, wherein Flange joints are arranged on the two clamping plates and communicate with the heating cavity. An opening groove is arranged on the circular sleeve for exposing a valve or an instrument.

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