CN214469349U

CN214469349U - High efficiency pipeline formula electric heater

Info

Publication number: CN214469349U
Application number: CN202120667640.3U
Authority: CN
Inventors: 温志轩; 沈静; 叶云; 滕奇; 徐连好
Original assignee: Yancheng Xuanyuan Heating Equipment Technology Co ltd
Current assignee: Yancheng Xuanyuan Heating Equipment Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-10-22
Anticipated expiration: 2031-03-31

Abstract

A high-efficiency pipeline type electric heater comprises a shell, a heating pipe and a flow guide pipe; a cavity is arranged in the shell, and heat conducting oil is filled in the cavity; a first end of the heating pipe is arranged outside the shell, and a second end of the heating pipe extends into the cavity; the honeycomb duct is spirally arranged in the cavity, and two ends of the honeycomb duct are communicated with the outer side of the shell. The heating pipe heats the conduction oil at first, in heat transfer to the honeycomb duct through the conduction oil, makes the conduction oil surround the honeycomb duct, and the fluid is heated more evenly, and sets up the honeycomb duct of spiral, makes the fluid that lets in the honeycomb duct, under the unchangeable prerequisite of the speed of flow of letting in, it is long when improving to be heated to improve the heating effect to the fluid.

Description

High efficiency pipeline formula electric heater

Technical Field

The utility model relates to an electric heater field specifically is a high efficiency pipeline formula electric heater.

Background

The electric heating equipment is used for heating, preserving heat and heating flowing liquid and gaseous media. When the heating medium passes through the electric heater container under the action of pressure, the fluid thermodynamic principle is adopted to uniformly take away the huge heat generated in the working process of the electric heating element, so that the temperature of the heated medium meets the process requirements of users. However, the conventional heater has low heating efficiency on fluid, and under the premise of not changing the flow rate of the fluid, the heating time is short, the fluid is heated unevenly enough, and the heating effect on the fluid is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problem, the utility model provides a pair of high efficiency pipeline formula electric heater can make fluid thermally equivalent, and under the same velocity of flow, improves fluidic long when being heated to improve the heating effect to the fluid.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency pipeline type electric heater comprises a shell, a heating pipe and a flow guide pipe; a cavity is arranged in the shell, and heat conducting oil is filled in the cavity; a first end of the heating pipe is arranged outside the shell, and a second end of the heating pipe extends into the cavity; the honeycomb duct is spirally arranged in the cavity, and two ends of the honeycomb duct are communicated with the outer side of the shell.

Preferably, the two ends of the flow guide pipe are respectively provided with an input end and an output end, and the input end and the output end are both arranged on one side of the shell on which the heating pipe is arranged.

Preferably, the heating tube is a spiral heating tube.

Preferably, the spiral part of the heating pipe and the spiral part of the guide pipe are arranged in a staggered mode.

Preferably, the high-efficiency electric pipe heater further comprises a stirring piece and a driving piece, wherein the stirring piece is rotatably arranged on the shell and is arranged in the cavity, and the driving piece is arranged on the outer side of the shell and is in driving connection with the stirring piece.

Preferably, the stirring member and the driving member are both mounted on a side of the housing away from the first end of the heating pipe.

Preferably, the casing is vertical setting, and heating pipe first end is installed in the casing top, and the driving piece is installed in the casing bottom.

Preferably, the shell is provided with a vacuum insulation layer.

Advantageous effects

The utility model has the advantages that: a high-efficiency pipeline type electric heater comprises a shell, a heating pipe and a flow guide pipe; a cavity is arranged in the shell, and heat conducting oil is filled in the cavity; a first end of the heating pipe is arranged outside the shell, and a second end of the heating pipe extends into the cavity; the honeycomb duct is spirally arranged in the cavity, and two ends of the honeycomb duct are communicated with the outer side of the shell. The heating pipe heats the conduction oil at first, in heat transfer to the honeycomb duct through the conduction oil, makes the conduction oil surround the honeycomb duct, and the fluid is heated more evenly, and sets up the honeycomb duct of spiral, makes the fluid that lets in the honeycomb duct, under the unchangeable prerequisite of the speed of flow of letting in, it is long when improving to be heated to improve the heating effect to the fluid.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of an overall structure of an embodiment of the present invention;

fig. 2 is a schematic overall structure diagram of the embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a heating pipe and a heat conducting pipe;

FIG. 4 is a view showing the internal structure of the cavity;

in the figure, a shell 1, a heating pipe 2, a draft tube 3, a stirring part 4, a driving part 5, a vacuum insulation layer 10, a top cover 11, a shell body 12, an input end 31, an output end 32, a rotating plate 41 and a curved blade 42 are arranged.

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.

Referring to fig. 1 to 4, a high-efficiency pipe-type electric heater includes a housing 1, a heating pipe 2, and a flow guide pipe 3; a cavity is arranged in the shell 1, and heat conducting oil is filled in the cavity; the first end of the heating pipe 2 is arranged outside the shell 1, and the second end of the heating pipe extends into the cavity; the honeycomb duct 3 is spirally arranged in the cavity, and two ends of the honeycomb duct 3 are communicated with the outer side of the shell 1.

In the embodiment in the market, only 90% of the space in the cavity is filled with heat conduction oil, so that sudden increase or sudden decrease of the pressure in the cavity caused by heat expansion and cold contraction of the heat conduction oil is prevented, and the shell 1 is prevented from being damaged by huge pressure. When the device is used, the device is firstly started to preheat, the heating pipe 2 heats the heat conducting oil, the heat degree in the air cavity is improved, then the fluid needing to be heated is introduced into the flow guide pipe 3, and the heat of the heat conducting oil can be conducted to the fluid in the flow guide pipe 3 to realize heating according to the heat transfer principle. In the heating process, the conduction oil surrounds the flow guide pipe 3, and the part of the heat guide pipe 3, which is positioned in the cavity, is heated in all directions, so that the fluid is heated more uniformly. And set up spiral helicine honeycomb duct 3, improve the fluid and flow and the stroke of being heated, compared with current pipeline formula electric heater, this high efficiency pipeline formula electric heater can make the fluid that lets in honeycomb duct 3 under the unchangeable prerequisite of the velocity of flow of letting in, increases the time of being heated to improve the heating effect to the fluid, both the fluid can flow while being heated, and fluidic actual output speed does not reduce, has effectively improved fluidic heating efficiency.

Furthermore, both ends of the draft tube 3 are respectively provided with an input end 31 and an output end 32, and the input end 31 and the output end 32 are both installed on one side of the casing 1 on which the heating tube 2 is installed. Wherein, the input end 31 and the output end 32 are installed on the same side of the housing 1, so as to facilitate the installation operation of the spiral part of the draft tube 3 located in the cavity, and the housing 1 can be divided into two parts: top cap 11 and shell 12, the cavity is located in shell 12, when installing, can install input 31 and output 32 of honeycomb duct 3 on top cap 11 at first, later joint top cap 11 and shell 12, honeycomb duct 3 can be packed into the cavity simultaneously, and then cooperate corresponding seal structure can.

Further, the heating pipe 2 is a spiral heating pipe. Wherein, honeycomb duct 3 is the spiral setting, can improve the area of contact of honeycomb duct 3 and conduction oil, and heating pipe 2 also is the spiral setting, can improve the area of contact of heating pipe 2 and conduction oil equally to accelerate heating pipe 2 to the rate of heating of conduction oil.

Further, the utility model discloses in, cavity middle part can be arranged in to heating pipe 2, and honeycomb duct 3 then carries out spiral setting around heating pipe 2, also perhaps like this embodiment, honeycomb duct 3 equals with the spiral radius of heating pipe 2, and crisscross setting around the spiral part of heating pipe 2 and honeycomb duct 3 forms double-line helical structure. This setting can make honeycomb duct 3 and heating pipe 2 all be when the spiral setting, can keep self volume size not reducing, both guaranteed respectively with the heat-conducting oil under the prerequisite that the area of contact does not reduce, still can be close to each other and can not obstruct each other, the realization is to the utilization in space more high-efficient.

Further, in order to improve the heating effect of the heating pipe 2 on the heat conducting oil, in this embodiment, the high-efficiency pipeline electric heater further includes a stirring member 4 and a driving member 5, the stirring member 4 is rotatably installed on the casing 1 and is placed in the cavity, and the driving member 5 is installed outside the casing 1 and is in driving connection with the stirring member 4. Wherein, driving piece 5 is the motor, and the output shaft of motor stretches into to the cavity in, and cooperation seal structure can prevent that the conduction oil from flowing out from the output shaft of motor and the gap between 1 of casing. And stirring 4 includes rotor plate 41 and curved blade 42, and curved blade 42 is equipped with a plurality ofly and the circumference is arranged on rotor plate 41, and when rotor plate 41 was being driven to rotate by the motor, the accessible was a plurality of curved blade 42 stirred the conduction oil, made the conduction oil be the flow state, and the heating pipe 2 of being convenient for heats the lower part of conduction oil temperature to make the whole difference in temperature of conduction oil reduce.

Further, the stirring element 4 and the driving element 5 are both mounted on the housing 1 on a side thereof remote from the first end of the heating tube 2. Wherein, casing 1 is vertical setting, and the first end of heating pipe 2 is installed in casing 1 top, and driving piece 5 is installed in casing 1 bottom. When the driving part 5 drives the stirring part 4 to rotate, the heat conduction oil can form a vortex, so that when the driving part 5 stops outputting, the heat conduction oil can still continuously flow for a period of time, and the heat conduction oil can continuously flow under the condition that the driving part 5 keeps low power.

Further, the vacuum heat-insulating layer 10 is arranged on the shell 1, heat insulation of heat conduction oil in the cavity is achieved, the heat dissipation speed of the heat conduction oil is reduced, and after the heating pipe 2 heats the heat conduction oil to a specified temperature, the heating power of the heating pipe 2 can be correspondingly reduced due to the fact that heat loss of the heat conduction oil is low.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high efficiency tubular electric heater comprising:

the heat conduction oil cooling device comprises a shell (1), wherein a cavity is formed in the shell (1), and heat conduction oil is filled in the cavity;

the first end of the heating pipe (2) is installed on the outer side of the shell (1), and the second end of the heating pipe (2) extends into the cavity;

honeycomb duct (3), honeycomb duct (3) spiral sets up in the cavity, the both ends of honeycomb duct (3) all switch-on to casing (1) outside.

2. A high efficiency tubular electric heater as claimed in claim 1, characterized in that the duct (3) has an input end (31) and an output end (32) at its two ends, respectively, the input end (31) and the output end (32) being mounted on the side of the housing (1) on which the heating tube (2) is mounted.

3. A high efficiency tubular electric heater according to claim 1, characterized in that the heating tube (2) is a spiral heating tube.

4. A high efficiency tubular electric heater according to claim 3, characterized in that the spiral part of the heating tube (2) and the spiral part of the flow guiding tube (3) are staggered back and forth.

5. A high efficiency tubular electric heater as claimed in claim 1, further comprising an agitating member (4) and a driving member (5), wherein the agitating member (4) is rotatably mounted on the casing (1) and disposed in the cavity, and the driving member (5) is mounted outside the casing (1) and drivingly connected to the agitating member (4).

6. A high efficiency tubular electric heater as claimed in claim 5, characterized in that the agitating member (4) and the driving member (5) are mounted on the housing (1) on a side remote from the first end of the heating tube (2).

7. A high efficiency electric pipe heater as claimed in claim 6, wherein the housing (1) is arranged vertically, the first end of the heating pipe (2) is mounted at the top end of the housing (1), and the driving member (5) is mounted at the bottom end of the housing (1).

8. A high efficiency tubular electric heater as claimed in claim 1, characterised in that the casing (1) is provided with a vacuum insulation layer (10).