CN219995961U - Novel external heat tracing type circular tube jacket - Google Patents

Abstract

The utility model discloses a novel external heat-tracing circular tube jacket structure, relates to the technical field of heat-tracing jackets, and solves the technical problems that the existing heat-tracing jackets are difficult to manufacture, cannot drain media completely and are inconvenient to tubing; the heat tracing jacket comprises a plurality of heating pipes, wherein the heating pipes comprise medium ascending sections and medium descending sections which are mutually communicated, two ends of each heating pipe are respectively communicated with an outlet main pipe and an inlet main pipe, the outlet main pipe and the inlet main pipe are both arranged at the lower part of the equipment barrel, and the heating pipes are inverted U-shaped pipes; the utility model can drain the medium by the dead weight of the medium, reduce the residue, has the advantages of easier forming of the structure, small welding workload, less welding lines, low manufacturing difficulty, reduced risk of liquid leakage and convenient piping and maintenance.

Description

Novel external heat tracing type circular tube jacket

Technical Field

The utility model relates to the technical field of heat tracing jackets, in particular to a novel external heat tracing type circular tube jacket.

Background

In the production and use process of the chemical device, some equipment needs to be subjected to heat transfer, a heating device needs to be arranged inside or outside the equipment for heating, and the equipment can be a heating jacket, which is sleeved outside the equipment, or can be a heating sleeve consisting of a plurality of heating pipes, wherein heating mediums such as steam, heat conducting oil and the like are introduced into the heating jacket or the heating sleeve, and heat transfer is performed between the heating jacket or the heating sleeve and the inside of the equipment by utilizing high-temperature mediums, so that heating is realized.

As shown in fig. 1, the heating sleeve structure is common in the prior art, namely, the heating tube is spirally wound on the outer wall of the cylinder, and is a round tube or a semicircular tube, and the inlet and the outlet of the heating tube are respectively arranged at the lowest part and the uppermost part. The disadvantage of this structure is that: 1. the semicircular tube type heating tube is not easy to form, the welding workload is large, the manufacturing difficulty is high, and the risk of liquid leakage exists due to the existence of welding seams; 2. the traditional round tube or semicircular tube clamp sleeve is limited by the appearance and weight of equipment, so that residual liquid in a heating tube is difficult to drain in a manufacturing plant, and particularly the problem of medium residue is more serious for the semicircular tube clamp sleeve with a higher cylinder body; 3. for higher equipment, the inlet and outlet ends of the heating sleeve are respectively arranged at the upper part and the lower part, so that the piping and the overhaul are inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problems that the existing heating jacket is difficult to manufacture, medium cannot be discharged completely and tubing is inconvenient, and provides a novel external heat tracing type circular tube jacket which has the advantages of convenience in manufacture, easiness in forming, no residue in medium discharge and convenience in tubing.

The utility model is realized by the following technical scheme:

the utility model provides a novel external heat tracing pipe presss from both sides cover, includes the equipment barrel and establishes the heat tracing that is outside at the equipment barrel and press from both sides the cover, the heat tracing presss from both sides the cover and includes a plurality of heating pipes, the heating pipe includes medium ascending section and the medium descending section of mutual intercommunication, the heating pipe both ends respectively with export house steward and import house steward intercommunication, export house steward and import house steward all set up in equipment barrel lower part.

When the heat tracing jacket is used, heating medium is introduced through the inlet header pipe, passes through the medium ascending section and the medium descending section in sequence and is discharged from the outlet header pipe, and the heating pipe structure is provided with the medium descending section, so that the medium can be discharged completely in the heating pipe under the action of gravity, the problem that the medium cannot be discharged completely in the prior art like a spiral heating sleeve is avoided, and meanwhile, the outlet header pipe and the inlet header pipe are arranged at the lower part of the equipment barrel, so that the pipe is convenient to pipe and overhaul.

Furthermore, the heating pipe, the outlet main pipe and the inlet main pipe are all round pipes.

Further, the heat tracing jacket is fixed on the outer wall of the device cylinder body through omega-shaped nails.

Further, the outlet header pipe and the inlet header pipe are annular and are arranged at the lower part of the equipment cylinder in a surrounding mode.

Further, the medium ascending section of the heating pipe is communicated with the inlet header pipe, and the medium descending section of the heating pipe is communicated with the outlet header pipe.

Further, the heating pipe further comprises a connecting section, and the connecting section is arranged between the medium ascending section and the medium descending section.

Further, the heating pipe is an inverted U-shaped pipe.

Further, an outlet joint is arranged on the outlet header pipe.

Further, an inlet joint is arranged on the inlet header pipe.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. according to the utility model, the heating medium is introduced into the inlet header pipe, sequentially passes through the medium ascending section and the medium descending section and is discharged from the outlet header pipe, and the heating pipe structure is provided with the medium descending section, so that the medium can be discharged in the heating pipe under the action of self gravity, and the problem that the medium cannot be discharged in the coil heating structure in the prior art is avoided.

2. In the utility model, the outlet header pipe and the inlet header pipe are both arranged at the lower part of the equipment cylinder body, thereby facilitating piping and maintenance.

3. In the utility model, the heating sleeve adopts the round tube, compared with a semicircular heat tracing jacket, the heating sleeve is easier to mold, has small welding workload, less welding lines and low manufacturing difficulty, and reduces the risk of liquid leakage due to the less welding lines.

4. According to the utility model, the omega-shaped nails are adopted for fixation, so that welding with the outer wall of the cylinder body of the equipment is not needed, the welding workload is reduced, meanwhile, no welding line exists, medium in the sleeve is not easy to leak, the service life of the equipment is prolonged, and the omega-shaped nails are convenient to fix and adapt to thermal expansion and cold contraction of the round pipe, so that the temperature difference stress at the position is effectively solved.

5. The heating pipe is an inverted U-shaped pipe, and the structural design can ensure that a heating medium smoothly circulates in the heating pipe, reduce the flow resistance and improve the heating efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a schematic diagram of a heat jacket in the prior art;

FIG. 2 is a schematic diagram of the heat jacket of the present utility model;

FIG. 3 is a schematic diagram of the front view of the heat jacket of the present utility model;

FIG. 4 is a schematic top view of the heat jacket of the present utility model.

In the drawings, the reference numerals and corresponding part names:

the device comprises a 1-device cylinder, a 2-heating pipe, a 201-medium ascending section, a 202-medium descending section, a 203-connecting section, a 3-outlet main pipe, a 4-outlet joint, a 5-inlet main pipe and a 6-inlet joint.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the utility model. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the utility model.

Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the utility model. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the description of the present utility model, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

Example 1

This embodiment 1 provides a novel external heat tracing pipe presss from both sides cover, as shown in fig. 2-4, include equipment barrel 1 and establish at the outside heat tracing of equipment barrel 1 and press from both sides the cover, heat tracing presss from both sides the cover and includes a plurality of heating pipes 2, heating pipe 2 includes medium ascending section 201 and medium descending section 202 of mutual intercommunication, heating pipe 2 both ends respectively with export house steward 3 and import house steward 5 intercommunication, export house steward 3 and import house steward 5 all set up in equipment barrel 1 lower part, wherein heating pipe 2 and the laminating of equipment barrel 1 outer wall, in practical application, need set up the quantity of heating pipe 2 according to the condition, guarantee heating pipe 2 evenly distributed is at equipment barrel 1 outer wall, and the interval between medium ascending section 201 and the medium descending section 202 also need set up according to actual demand to guarantee heating effect.

When the heat tracing jacket is used, heating medium is introduced through the inlet header pipe 5, passes through the medium ascending section 201 and the medium descending section 202 in sequence and is discharged from the outlet header pipe 3, and because the heating pipe 2 is provided with the medium descending section 202, the medium can be discharged in the heating pipe 2 under the action of gravity, so that the problem that the medium cannot be discharged in the prior art like a coil heating structure is avoided, and meanwhile, the outlet header pipe 3 and the inlet header pipe 5 are arranged at the lower part of the equipment cylinder 1, so that the pipe is convenient to be matched and overhaul.

Specifically, the heating pipe 2, the outlet header pipe 3 and the inlet header pipe 5 are all round pipes. Compared with a semicircular heat tracing jacket, the circular tube is adopted as the heating sleeve, so that the heating sleeve is easier to mold, has small welding workload, less welding lines and low manufacturing difficulty, and reduces the risk of liquid leakage due to the fact that the welding lines are less.

Specifically, the heat tracing jacket is fixed on the outer wall of the equipment cylinder body 1 through omega-shaped nails. According to the utility model, the omega-shaped nails are adopted for fixation, so that the omega-shaped nails are not required to be welded with the outer wall of the equipment cylinder body 1, the welding workload is reduced, meanwhile, no welding line exists, the medium in the sleeve is not easy to leak, and the service life of the equipment is prolonged; and the omega-shaped nails are fixed, so that the heat expansion and cold contraction of the round tubes are convenient to adapt, and the temperature difference stress at the position is effectively solved.

Specifically, the outlet manifold 3 and the inlet manifold 5 are both annular and are disposed around the lower portion of the device cylinder 1. The connection to a plurality of heating pipes 2 is facilitated by a manifold which is arranged in a ring shape.

Specifically, the medium ascending section 201 of the heating pipe 2 is communicated with the inlet header 5, and the medium descending section 202 of the heating pipe 2 is communicated with the outlet header 3.

Specifically, the heating tube 2 further comprises a connecting section 203, the connecting section 203 being arranged between the medium rising section 201 and the medium falling section 202. The medium ascending section 201 and the medium descending section 202 are facilitated to communicate by providing the connection section 203.

Specifically, the heating pipe 2 is preferably an inverted U-shaped pipe, and the structural design can ensure that the heating medium smoothly flows in the heating pipe 2, reduce the flow resistance and improve the heating efficiency.

Specifically, the outlet header pipe 3 is provided with an outlet joint 4, the inlet header pipe 5 is provided with an inlet joint 6, and the outlet joint 4 and the inlet joint 6 are arranged to facilitate connection with a conveying pipeline.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (9)

1. The utility model provides a novel external heat tracing pipe presss from both sides cover, includes equipment barrel (1) and establishes the heat tracing that is outside at equipment barrel (1), a serial communication port, the heat tracing presss from both sides cover and includes a plurality of heating pipes (2), heating pipe (2) are including medium ascending section (201) and medium descending section (202) of mutual intercommunication, heating pipe (2) both ends respectively with export house steward (3) and import house steward (5) intercommunication, export house steward (3) and import house steward (5) all set up in equipment barrel (1) lower part.

2. The novel external heat tracing type circular tube jacket according to claim 1, wherein the heating tube (2), the outlet main tube (3) and the inlet main tube (5) are circular tubes.

3. The novel external heat tracing type circular tube jacket according to claim 1 is characterized in that the heat tracing jacket is fixed on the outer wall of the equipment cylinder (1) through omega-shaped nails.

4. The novel external heat tracing type circular tube jacket according to claim 1, wherein the outlet main pipe (3) and the inlet main pipe (5) are annular and are arranged at the lower part of the equipment barrel (1) in a surrounding manner.

5. The novel external heat tracing type circular tube jacket according to claim 1, wherein a medium ascending section (201) of the heating tube (2) is communicated with the inlet main pipe (5), and a medium descending section (202) of the heating tube (2) is communicated with the outlet main pipe (3).

6. The novel external heat tracing type circular tube jacket according to claim 1, wherein the heating tube (2) further comprises a connecting section (203), and the connecting section (203) is arranged between the medium ascending section (201) and the medium descending section (202).

7. The novel external heat tracing type circular tube jacket according to claim 1, wherein the heating tube (2) is an inverted U-shaped tube.

8. The novel external heat tracing type circular tube jacket according to claim 1, wherein the outlet header pipe (3) is provided with an outlet joint (4).

9. The novel external heat tracing type circular tube jacket according to claim 1, wherein an inlet joint (6) is arranged on the inlet main pipe (5).