CN220023110U

CN220023110U - Electric heater structure

Info

Publication number: CN220023110U
Application number: CN202320573482.4U
Authority: CN
Inventors: 王太峰; 王太祥; 李涛
Original assignee: Zhenjiang Yutai Explosion Proof Electric Heater Co ltd
Current assignee: Zhenjiang Yutai Explosion Proof Electric Heater Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-11-14
Anticipated expiration: 2033-03-22

Abstract

The utility model discloses an electric heater structure, which comprises an explosion-proof cavity main body, wherein a heater element is arranged in the explosion-proof cavity main body, a main heating pipeline is arranged in the volume cavity main body, the upper end of the main heating pipeline penetrates through the joint of the volume cavity main body and the explosion-proof cavity main body to extend into the explosion-proof cavity main body and is connected with the heater element, a plurality of groups of auxiliary heating pipelines are arranged on the outer side wall of the main heating pipeline, each group of auxiliary heating pipelines is communicated with the main heating pipeline, a plurality of heating wires are arranged in the main heating pipeline, penetrate through the main heating pipeline and the auxiliary heating pipeline and are connected with the heater element, an injection port and an exhaust port are respectively arranged on the side wall of the volume cavity main body.

Description

Electric heater structure

Technical Field

The utility model relates to an electric heater structure.

Background

The conventional explosion-proof electric heater is used for heating fluid media such as hydrogen and oil, a typical structure is shown in fig. 1, a cylindrical container body S is provided with an inlet 7 and an outlet 4, an insulating material 11 is coated outside, an explosion-proof chamber 13 is arranged at one end of the container body, the explosion-proof chamber 13 and the container body 5 are fixedly welded through a group of sleeves 8, an electric heating device 6 penetrates into the container body 5 from the explosion-proof chamber 13 through the sleeves 8, and a wire penetrates into the end head of the electric heating device 6 from the explosion-proof chamber 13.

When the electric heating device works, the electric heating device is electrified to heat fluid entering the container body and then output by the outlet, in order to avoid heat transfer to the explosion-proof cavity and avoid burning of insulated cables, the water cooling cavity 2 is welded at one end of the container body adjacent to the explosion-proof cavity, cooling water circulation can be formed through the cooling water inlet and outlet 9 and 10, so that the heat insulation effect is achieved, and in addition, fins 12 are welded outside the sleeve 8 for heat dissipation.

The traditional explosion-proof electric heater has larger heat energy loss in use, firstly, each sleeve passes through a plurality of electric heating devices, and larger gaps exist in the sleeve, so that medium fluid entering the sleeve forms convection circulation, the heat insulation effect is poor, and the heat insulation is influenced; secondly, the water cooling takes away a lot of heat, so an electric heater structure is generated.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an electric heater structure.

The utility model provides an electric heater structure, includes heating chamber main part, its characterized in that, heating chamber main part comprises volume chamber main part and the explosion-proof chamber main part of mutual intercommunication, and the inside of explosion-proof chamber main part is equipped with the heater element, the inside of volume chamber main part is equipped with main heating pipeline, and the upper end of main heating pipeline passes the junction of volume chamber main part and explosion-proof chamber main part and extends to the inside of explosion-proof chamber main part to link to each other with the heater element, multiunit vice heating pipeline is installed to main heating pipeline's lateral wall, and every vice heating pipeline of group all is linked together with main heating pipeline, the inside of main heating pipeline is equipped with a plurality of heating wires, and the heating wire runs through the inside of main heating pipeline, vice heating pipeline to link to each other with the heater element, the lateral wall of volume chamber main part is equipped with filling opening, discharge port respectively.

As a further improvement, the main body of the volume cavity is connected with the main body of the explosion-proof cavity by adopting the flange, the flange connection structure has high bonding strength, good tightness and convenient disassembly, and is convenient to process, particularly in the mechanical industry, the process is easier, the use is convenient, the main body of the heating cavity can be effectively ensured not to leak, and the safe operation of equipment and pipelines is ensured.

As a further improvement, the auxiliary heating pipeline and the main heating pipeline are made of stainless steel, the stainless steel is high in corrosion resistance, can be widely applied to various severe environments, and has high heat resistance, high fire resistance, high formability, high compatibility and high strength and toughness.

As a further improvement, the auxiliary heating pipeline consists of a plurality of heating pipes which are arranged in a staggered manner, the staggered structural arrangement can meet the heating requirements of all positions in the volume cavity main body, the heating effect is ensured to be uniform, and the using effect of the electric heater structure is improved.

As a further improvement, the heating pipes are distributed in annular equidistant arrays, and the equidistant arrays can effectively improve the use efficiency and the heat transmission efficiency and enhance the electric heating effect.

As a further improvement, the shape of the heating pipe is elliptical, and the heating range of a single heating pipe is expanded to the greatest extent.

As a further improvement, the distance between adjacent heating wires in the main heating pipe is not less than 0.3mm.

As a further improvement, the outer side wall of the heating cavity main body is wrapped with the heat preservation layer, the heat preservation layer plays an effective heat insulation role, and meanwhile heat energy loss is effectively prevented, so that the heating cavity is low in preparation cost, good in heat preservation effect and quick and convenient in actual use.

The beneficial effects are that:

the device simple structure, it is convenient to dismantle, has still increased the heat preservation, and wherein vice heating pipeline adopts petal-shaped equidistance structural design, and the structure is arranged evenly, leads to vice heating pipeline's heating evenly, improves electric heater's heating efficiency, improves electric heater structure's result of use, and the heat preservation plays effectual heat-proof effect, effectively prevents heat energy loss simultaneously, and low in preparation cost, it is effectual to keep warm, swift convenient in the in-service use.

Heating wires are intensively arranged inside the main heating pipeline and then respectively penetrate through the auxiliary heating pipeline, the main heating pipeline is divided into a main heating part and an auxiliary heating part, the multidirectional heating effect is formed, the heating range of the heating part is increased, the occupied area of the whole device is well reduced, the problem that a large gap exists inside the prior art is solved, and therefore medium fluid entering the main heating pipeline forms convection circulation, so that the heat insulation effect is poor, and the heat insulation defect is influenced.

Drawings

FIG. 1 is a schematic view of the internal structure of an electric heater;

FIG. 2 is a schematic diagram of an end configuration of an electric heater;

FIG. 3 is a schematic perspective view of an electric heater;

FIG. 4 is a schematic view of the structure of the sub heating pipe;

FIG. 5 is a schematic side view of an electric heater;

1. explosion proof chamber body 2, volume chamber body 3, heater element 4, main heating pipe 5, exhaust port 6, flange 7, auxiliary heating pipe.

Detailed Description

The present utility model will be further described in detail with reference to the following examples and drawings for the purpose of enhancing the understanding of the present utility model, which examples are provided for the purpose of illustrating the present utility model only and are not to be construed as limiting the scope of the present utility model.

As shown in fig. 1 to 5, as a specific embodiment of the present utility model, an electric heater structure includes an explosion-proof chamber body 1, a volume chamber body 2, a heater element 3, a main heating pipe 4, a discharge port 5, a flange 6, and a sub heating pipe 7.

The utility model provides an electric heater structure, includes heating chamber main part, its characterized in that, heating chamber main part comprises volume chamber main part 2 and explosion-proof chamber main part 1 of mutual intercommunication, and the inside of explosion-proof chamber main part 1 is equipped with heater element 3, the inside of volume chamber main part 2 is equipped with main heating pipeline 4, and the upper end of main heating pipeline 4 passes the junction of volume chamber main part 2 and explosion-proof chamber main part 1 and extends to the inside of explosion-proof chamber main part 1 to link to each other with heater element 3, multiunit vice heating pipeline 7 are installed to the lateral wall of main heating pipeline 4, and every vice heating pipeline 7 of group all is linked together with main heating pipeline 4, the inside of main heating pipeline 4 is equipped with a plurality of heating wires, and the heating wire runs through the inside of main heating pipeline 4, vice heating pipeline 7 to link to each other with heater element 3, the lateral wall of volume chamber main part 2 is equipped with the filling opening, discharge port 5 respectively.

The volume cavity main body 2 and the explosion-proof cavity main body 1 are connected by adopting the flange 6, the combination strength of the flange connection structure is high, the tightness is good, the disassembly is convenient, the processing is also convenient, particularly in the mechanical industry, the processing is easier, the use is convenient, the heating cavity main body can be effectively ensured not to leak, and the safe operation of equipment and pipelines is ensured.

The auxiliary heating pipeline 7 and the main heating pipeline 4 are made of stainless steel, the stainless steel is high in corrosion resistance, and the stainless steel can be widely applied to various severe environments, has high heat resistance and fire resistance, and has the advantages of high formability, compatibility and toughness.

The auxiliary heating pipeline 7 is composed of a plurality of heating pipes which are arranged in a staggered mode, the heating requirements of all positions in the volume cavity main body 2 can be met through staggered structural arrangement, the heating effect is guaranteed to be uniform, and the using effect of the electric heater structure is improved.

The heating pipes are distributed in annular equidistant arrays, the use efficiency and the heat transmission efficiency can be effectively improved through the equidistant arrays, and the electric heating effect is enhanced.

The shape of the heating pipe is elliptical, and the heating range of a single heating pipe is expanded to the greatest extent.

The distance between adjacent heating wires in the main heating duct 4 is not less than 0.3mm.

The outer side wall of heating chamber main part parcel has the heat preservation, and the heat preservation plays effectual thermal-insulated effect, effectively prevents heat energy loss simultaneously, and low in preparation cost, heat preservation effect is good, and is swift convenient in the in-service use.

During the use, vice heating pipeline can effectively improve its use, heating effect to play explosion-proof effect, the electric heater of preparation according to this structure can be effectively controlled and its heating effect is stabilized, sets up the heat preservation and can effectively reduce the heat loss, reduces heating cost, simple structure.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

The foregoing description is only illustrative of the preferred embodiments of the present utility model, and therefore should not be taken as limiting the scope of the utility model, for all changes and modifications that come within the meaning and range of equivalency of the claims and specification are therefore intended to be embraced therein.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The utility model provides an electric heater structure, includes heating chamber main part, its characterized in that, heating chamber main part comprises volume chamber main part and the explosion-proof chamber main part of mutual intercommunication, and the inside of explosion-proof chamber main part is equipped with the heater element, the inside of volume chamber main part is equipped with main heating pipeline, and the upper end of main heating pipeline passes the junction of volume chamber main part and explosion-proof chamber main part and extends to the inside of explosion-proof chamber main part to link to each other with the heater element, multiunit vice heating pipeline is installed to main heating pipeline's lateral wall, and every vice heating pipeline of group all is linked together with main heating pipeline, the inside of main heating pipeline is equipped with a plurality of heating wires, and the heating wire runs through the inside of main heating pipeline, vice heating pipeline to link to each other with the heater element, the lateral wall of volume chamber main part is equipped with filling opening, discharge port respectively.

2. An electric heater structure as claimed in claim 1, wherein the volume chamber body and the explosion proof chamber body are connected by a flange.

3. An electric heater structure as claimed in claim 1, wherein the secondary heating conduit and the primary heating conduit are both stainless steel.

4. An electric heater structure as claimed in claim 1, wherein the secondary heating conduit is comprised of a plurality of staggered heating pipes.

5. An electric heater structure as claimed in claim 4, wherein the heating tubes are arranged in an annular equidistant array.

6. An electric heater structure as claimed in claim 4, wherein the heating tube is elliptical in shape.

7. An electric heater structure according to claim 1, wherein the distance between adjacent heating wires in the main heating conduit is not less than 0.3mm.

8. An electric heater structure as claimed in claim 1, wherein the outer side wall of the heating chamber body is wrapped with a heat insulating layer.