CN215222522U

CN215222522U - Spiral pipeline heater

Info

Publication number: CN215222522U
Application number: CN202121142941.0U
Authority: CN
Inventors: 庞佳; 汤勇
Original assignee: Hunan Nsg Electrical Appliance Co ltd
Current assignee: Hunan Nsg Electrical Appliance Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-17
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a spiral pipeline heater, including being equipped with business turn over open-ended body and edge the length direction of body sets up in electrothermal tube wherein, the electrothermal tube is equipped with the heating electrode who stretches out by the tip, the body with be equipped with heat conduction fin between the electrothermal tube and/or be in the spiral heat-conducting surface that the surface of electrothermal tube was the screw thread form and distributes. The spiral pipeline heater has the advantages that the spiral heat conducting surface is additionally arranged in the pipe body or the spiral heat conducting surface is replaced by the heat conducting fins or the spiral heat conducting surface and the heat conducting fins are combined in a coexisting mode, so that the purposes of improving the heat conducting area and the heating efficiency are achieved, various gases and liquids can be heated, the dry burning resistance is high, and the explosion-proof performance is good.

Description

Spiral pipeline heater

Technical Field

The utility model relates to a heater technical field, in particular to spiral pipeline heater.

Background

The electric heater is an electric appliance which utilizes electric energy to achieve a heating effect; the intelligent temperature control device has the advantages of small volume, high heating power, wide application range, long service life and high reliability, adopts an intelligent control mode, has high temperature control precision, and can be networked with a computer.

The pipeline heater is an energy-saving device for preheating substances, is arranged in front of the substance device, and is used for directly heating the substances, so that the substances are circularly heated at high temperature, and the aim of saving energy is finally fulfilled. It is widely applied to the fields of domestic electric appliances, industrial equipment, military industry and the like. The structure of current traditional pipe heater is big, and the quality is heavy, and the pipe wall thickness ubiquitous has the problem that inside heat conduction area is little, heating efficiency is low, and in addition, the anti dry combustion method and the antiknock performance of heater are weak, and are poor to the gas-liquid heating effect of high-pressure high velocity of flow.

Therefore, how to provide a spiral pipe heater which solves the above problems is a technical problem which needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spiral pipeline heater through add the spiral heat conduction face in the body or replace spiral heat conduction face or the coexistence combination of the two with heat conduction fin to reach the purpose that improves heat conduction area and heating efficiency, can heat all kinds of gas and liquid, anti dry combustion method ability reinforce, explosion-proof performance is good.

In order to achieve the above object, the utility model provides a spiral pipeline heater, including being equipped with business turn over open-ended body and edge the length direction of body sets up in electrothermal tube wherein, the electrothermal tube is equipped with the heating electrode who stretches out by the tip, the body with be equipped with heat conduction fin between the electrothermal tube and/or be in the surface of electrothermal tube is the spiral heat-conducting surface that the screw thread form distributes.

Preferably, the spiral heat-conducting surface is integrally arranged on the pipe body.

Preferably, the spiral heat conducting surface is formed on the inner wall of the pipe body by adopting a rolling, molding or welding process.

Preferably, the spiral heat conducting surface is assembled on the electric heating tube in a split mode.

Preferably, the spiral heat conducting surface is made of strip-shaped heat conducting materials in a spiral coating mode.

Preferably, the material of the pipe body is stainless steel or copper.

Preferably, the electric heating tube is made of magnesium oxide or other mineral insulating heat conducting materials.

Preferably, the tubular body includes a cylindrical barrel portion and cover portions provided at both ends of the barrel portion, and the electric heating tube is inserted into the barrel portion through the cover portions.

Preferably, the access opening includes an opening I and an opening II vertically provided at both sides of the cylindrical portion.

Preferably, the heating electrode includes an electrode I and an electrode II respectively provided at the two cover portions.

Compared with the prior art, the utility model provides a spiral pipeline heater includes body and electrothermal tube, and the body is equipped with the business turn over opening, and the electrothermal tube sets up in the body along the length direction of body, and the electrothermal tube is equipped with heating electrode, and heating electrode stretches out by the tip of electrothermal tube, is equipped with the heat conduction structure who lies in between body and the electrothermal tube in the body, and the heat conduction structure can be the heat conduction fin between the two, also can be the spiral heat conduction surface that is the distribution of screw thread form on the surface of electrothermal tube, also can be the combination that heat conduction fin and spiral heat conduction surface coexist; in the working process, feeding is realized through the inlet and outlet opening of the pipe body, materials can be gas or liquid, electric heating of the electric heating pipe is realized by electrifying the heating electrode, the materials move forwards and are heated at the same time along the spiral heat conducting surface in the pipe body, the heat conducting area is increased through the spiral heat conducting surface, and discharging is realized through the inlet and outlet opening of the pipe body after heating; the spiral pipeline heater achieves the purpose of improving the heat conduction area and the heating efficiency by additionally arranging the spiral heat conduction surface in the pipe body or replacing the spiral heat conduction surface with the heat conduction fin or combining the spiral heat conduction surface and the heat conduction fin, can heat various gases and liquids, and has strong dry burning resistance and good explosion-proof performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a spiral pipe heater according to an embodiment of the present invention;

fig. 2 is an internal schematic view of a spiral pipe heater according to an embodiment of the present invention.

Wherein:

1-tube body, 2-electrothermal tube, 3-heating electrode, 4-spiral heat conducting surface, 11-tube part, 12-cover part, 31-electrode I, 32-electrode II, 101-opening I, 102-opening II.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic structural diagram of a spiral pipe heater according to an embodiment of the present invention, and fig. 2 is a schematic internal diagram of the spiral pipe heater according to an embodiment of the present invention.

In a specific embodiment, the utility model provides a helical pipeline heater includes body 1 and electrothermal tube 2, body 1 has the inner chamber and is provided with the business turn over opening with the inner chamber intercommunication, electrothermal tube 2 sets up in the inner chamber along the length direction of body 1, electrothermal tube 2 is equipped with heating electrode 3, heating electrode 3 is stretched out by electrothermal tube 2's tip, be equipped with spiral heat-conducting surface 4 that is the screw thread form and distributes on electrothermal tube 2's surface between body 1 and the electrothermal tube 2, perhaps regard as the heat conduction structure who replaces spiral heat-conducting surface 4 with heat conduction fin, perhaps spiral heat-conducting surface 4 and heat conduction fin exist simultaneously.

In the embodiment, the spiral pipeline heater has the same electric heating principle as a traditional electric heater, the electric heating of the electric heating pipe 2 is realized by electrifying the heating electrode 3, the heating of the internal space of the pipe body 1 is realized by the electric heating of the electric heating pipe 2, the heating of materials is realized by introducing materials into the internal space of the pipe body 1, and the introduction of the materials before heating and the discharge of the heated materials are realized through the inlet and outlet openings of the pipe body 1; on the basis, the heat conduction structure is additionally adopted in the embodiment, the heat conduction structure is the spiral heat conduction surface 4 distributed on the surface of the electric heating tube 2 in a thread shape, so that the materials which originally flow in a straight line in the tube body 1 need to flow in a rotating way along the thread direction of the spiral heat conduction surface 4, on one hand, the effective heat conduction area of the materials which are actually contacted in the tube body 1 is increased, and on the other hand, the displacement, namely the heating time of the materials which actually flow in the tube body 1 is increased; in addition, the spiral heat conducting surface 4 can be replaced by the heat conducting fins, so that the purposes of improving the heat conducting area and the heating efficiency are achieved, various gases and liquids can be heated, the dry burning resistance is high, boiled water or steam can be directly output, the explosion-proof performance is good, various gases can be heated, and the spiral heat conducting fin is particularly suitable for heating liquids and gases under high pressure and high flow rate; furthermore, the spiral heat-conducting surface 4 and the heat-conducting fins may be present at the same time, and the present invention is also included in the description of the present embodiment.

It should be noted that, when the spiral heat conducting surface 4 is adopted as the heat conducting structure, there are various ways of disposing the spiral heat conducting surface 4, including but not limited to a component assembling type independent from the tube body 1 and the electric heating tube 2, and also not limited to an integral forming type with the tube body 1 or the electric heating tube 2, and the invention also belongs to the description scope of the embodiment.

In an exemplary embodiment of the integrated type, the spiral heat conducting surface 4 is integrally formed on the pipe body 1, and in this case, the spiral heat conducting surface 4 corresponds to a structure on an inner wall surface of the pipe body 1, and forms a spiral flow channel defined by the pipe body 1, thereby achieving the above-mentioned effect of heat conduction and efficiency enhancement.

More specifically, the spiral heat conducting surface 4 is formed by various processes, preferably, the spiral heat conducting surface is formed on the inner wall of the pipe body 1 by a rolling or molding process; in addition, welding may be adopted, and the method is also within the scope of the present embodiment.

For example, in the split assembly type embodiment, the spiral heat conducting surface 4 is an independent part and is assembled to the electric heating tube 2 in a manner of first manufacturing and then assembling, and the spiral heat conducting surface 4 is positioned and fixed based on the electric heating tube 2, and the fixing manner includes, but is not limited to, binding, interference fit, fastening, threaded connection, and the like, and also belongs to the description scope of the embodiment.

More specifically, the spiral heat conducting surface 4 is arranged in a plurality of split types, preferably, the spiral heat conducting surface is made of a strip-shaped heat conducting material in a spiral coating manner, and materials with good heat conductivity, such as copper strips and aluminum strips, are formed in a spiral coating manner in a bare wire shape.

Illustratively, the material of the tube body 1 is stainless steel, and in this embodiment, the housing corresponding to the spiral pipe heater is a stainless steel housing; besides, the material of the tube body 1 can also be copper, and the tube body 1 is a copper tube at this time.

For example, the insulating and heat conducting material of the electrical heating tube 2 is a mineral insulating and heat conducting material, and it should be noted that the mineral mainly refers to inorganic substances such as magnesium oxide powder.

In a specific embodiment, the tubular body 1 includes a cylindrical barrel 11 and covers 12 provided at both ends of the barrel 11, an inner space for heating is defined by the two covers 12 and the barrel 11, and the electrothermal tube 2 is inserted into the barrel 11 from the covers 12 and is located in the inner space.

The inlet and outlet openings comprise an opening I101 and an opening II102 which are vertically arranged on two sides of the cylinder part 11, the opening I101 is used as an opening for water inlet and air inlet and can be in butt joint with a water inlet pipe and an air inlet pipe, and the opening II102 is used as an opening for water outlet and air outlet and can be in butt joint with a water outlet pipe and an air outlet pipe.

In the present embodiment, the heating electrode 3 includes an electrode I31 and an electrode II32 respectively disposed at the two lid portions 12, and in this case, the number of the heating electrodes 3 is two, and the heating control of the internal space can be realized separately or together by adopting independent control or unified control; in addition, the electrode I31 and the electrode II32 may be disposed on the same end of the single lid 12, and shall fall within the scope of the present embodiment.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The above is to the detailed description of the spiral pipe heater provided by the present invention. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A spiral pipeline heater is characterized by comprising a pipe body (1) provided with an inlet and outlet opening and an electric heating pipe (2) arranged in the pipe body (1) along the length direction of the pipe body, wherein the electric heating pipe (2) is provided with a heating electrode (3) extending out of the end part, and a heat conduction fin and/or a spiral heat conduction surface (4) distributed on the surface of the electric heating pipe (2) in a thread shape are arranged between the pipe body (1) and the electric heating pipe (2).

2. The spiral pipe heater according to claim 1, wherein the spiral heat conducting surface (4) is integrally provided to the pipe body (1).

3. The spiral pipe heater according to claim 2, wherein the spiral heat conducting surface (4) is formed on the inner wall of the pipe body (1) by a rolling, embossing or welding process.

4. The spiral pipe heater according to claim 1, wherein the spiral heat conducting surface (4) is assembled to the electrothermal tube (2) in a split manner.

5. The spiral pipe heater of claim 4, wherein the spiral heat conducting surface (4) is made of a spiral coating of a strip of heat conducting material.

6. The spiral pipe heater according to any of claims 1 to 5, wherein the material of the pipe body (1) is stainless steel or copper.

7. The spiral pipe heater according to any one of claims 1 to 5, wherein the electrical heating tube (2) is made of magnesium oxide or other mineral insulating and heat conducting material.

8. The spiral duct heater according to any one of claims 1 to 5, wherein the tubular body (1) includes a cylindrical barrel portion (11) and cover portions (12) provided at both ends of the barrel portion (11), the electric heating tube (2) being penetrated into the barrel portion (11) by the cover portions (12).

9. The spiral duct heater of claim 8, wherein the access opening comprises an opening I (101) and an opening II (102) vertically disposed on either side of the barrel (11).

10. The spiral duct heater according to claim 8, wherein the heating electrode (3) comprises an electrode I (31) and an electrode II (32) provided at the two cover portions (12), respectively.