CN211128229U

CN211128229U - Corrosion-resistant electric heating pipe

Info

Publication number: CN211128229U
Application number: CN201922205068.4U
Authority: CN
Inventors: 夏鑫
Original assignee: YANGZHOU YOKI ELECTRIC CO Ltd
Current assignee: YANGZHOU YOKI ELECTRIC CO Ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-07-28
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a corrosion-resistant electric heating pipe, which comprises a housin, the internally mounted of casing has the conducting rod, the outside winding of conducting rod is fixed with the resistance wire, the inside of casing is provided with the stopping, the top of casing is provided with the cap, the bottom of cap is fixed with first annular inserted block, first annular slot has been seted up at the top of casing. The utility model discloses a fixed corrosion-resistant layer in the outer wall of casing, when electric heating pipe is to corrosive liquids heating, can play better corrosion-resistant effect, thereby the casing just can not damaged, the inside component of casing just can obtain better protection, through setting up first annular slot at the top of casing, be fixed with first annular inserted block in the bottom of cap, can make the leakproofness of cap and casing obtain improving, set up second annular slot through the top at the cap, be fixed with second annular inserted block in the bottom of connecting the cover, can improve the leakproofness between connecting cover and the cap.

Description

Corrosion-resistant electric heating pipe

Technical Field

The utility model relates to a heating pipe equipment technical field specifically is a corrosion-resistant electric heating pipe.

Background

With the development of industry, the operation process is also developing in the direction of convenience, and the electric water heater as a convenient heating tool plays an important role in modern industrial operation, and especially, the chemical industry often needs to heat various corrosive liquids.

However, the surface of the existing electric heating pipe is generally made of metal, chemical corrosion liquid can corrode the surface of the electric heating pipe to different degrees in the heating process, the service life of the electric heating pipe is shortened, the safety of the production operation process is threatened, the sealing performance of the existing electric heating pipe is not strong, corrosive liquid can enter the electric heating pipe, the electric heating pipe can be damaged, and therefore the corrosion-resistant electric heating pipe is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a corrosion-resistant electric heating pipe has solved the poor and not strong problem of leakproofness of current electric heating pipe corrosion resisting property.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a corrosion-resistant electric heating pipe comprises a shell, wherein a conductive rod is arranged in the shell, a resistance wire is wound and fixed on the outer side of the conductive rod, a filling material is arranged in the shell, a shell cover is arranged at the top of the shell, a first annular insertion block is fixed at the bottom of the shell cover, a first annular insertion groove is formed in the top of the shell, the first annular insertion block is arranged in the first annular insertion groove, a cover plug is fixed at the bottom of the shell cover and arranged in the shell, a through hole is formed in the top of the cover plug, one end, away from the inner wall of the bottom of the shell, of the conductive rod slides through the top of the shell cover, a connecting cover is arranged at the top of the shell cover, a second annular insertion block is fixed at the bottom of the connecting cover, a second annular insertion groove is formed in the top of the shell cover, and the second annular insertion, the connecting device comprises a connecting cover, and is characterized in that connecting blocks are symmetrically fixed on two side walls of the connecting cover, the connecting blocks are fixedly connected with a shell cover through bolts, a power supply connector penetrates through the top of the connecting cover, conductive wires are fixed at one ends, close to conductive rods, of the power supply connector, one ends, far away from the power supply connector, of the conductive wires are fixedly connected with the conductive rods, an insulating layer is fixed on the inner wall of a shell, and a corrosion-resistant layer is fixed on the outer wall of the shell.

Further optimize this technical scheme, the lateral wall of lid stopper has seted up the external screw thread, the internal thread has been seted up to the top inner wall of casing, and external screw thread and internal thread mutually support, the bottom and the stopping contact of lid stopper.

Further optimizing the technical scheme, the insulating layer is made of a nano composite ceramic material.

Further optimizing the technical scheme, the corrosion-resistant layer is made of polytetrafluoroethylene.

Further optimize this technical scheme, the material of casing is copper.

Further optimizing the technical scheme, the filler is made of magnesium oxide.

Further optimize this technical scheme, the material of cap, lid stopper and connecting cover is high temperature resistant rubber.

(III) advantageous effects

Compared with the prior art, the utility model provides a corrosion-resistant electric heating pipe possesses following beneficial effect:

1. this corrosion-resistant electric heating pipe, through the fixed corrosion-resistant layer of outer wall at the casing, when electric heating pipe is to corrosive liquids heating, can play better corrosion-resistant effect to the casing just can not damaged, and the inside component of casing just can obtain better protection.

2. This corrosion-resistant electric heating pipe sets up first annular slot through the top at the casing, is fixed with first annular inserted block in the bottom of cap, can make the leakproofness of cap and casing obtain improving, sets up second annular slot through the top at the cap, is fixed with second annular inserted block in the bottom of connecting the cover, can improve the leakproofness between connection cover and the cap.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the area A of the present invention;

FIG. 3 is a schematic top view of the housing of the present invention;

fig. 4 is a schematic view of a top view of the housing cover of the present invention.

In the figure: 1. a housing; 2. a conductive rod; 3. a resistance wire; 4. a filler; 5. a shell cover; 6. a first annular insert block; 7. a first annular slot; 8. covering and plugging; 9. a through hole; 10. a connecting cover; 11. a second annular insert block; 12. a second annular socket; 13. connecting blocks; 14. a power supply connector; 15. a conductive wire; 16. an insulating layer; 17. a corrosion resistant layer.

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. 1-4, the present invention provides a technical solution: a corrosion-resistant electric heating tube comprises a shell 1, a conductive rod 2 is installed inside the shell 1, a resistance wire 3 is wound and fixed on the outer side of the conductive rod 2, a filling material 4 is arranged inside the shell 1, a shell cover 5 is arranged on the top of the shell 1, a first annular insertion block 6 is fixed on the bottom of the shell cover 5, a first annular insertion groove 7 is formed in the top of the shell 1, the first annular insertion block 6 is arranged in the first annular insertion groove 7, a cover plug 8 is fixed on the bottom of the shell cover 5, the cover plug 8 is arranged in the shell 1, a through hole 9 is formed in the top of the cover plug 8, one end, far away from the inner wall of the bottom of the shell 1, of the conductive rod 2 slides through the top of the shell cover 5, a connecting cover 10 is arranged on the top of the shell cover 5, a second annular insertion block 11 is fixed on the bottom of the connecting cover 10, a second annular insertion groove 12, the two side walls of the connecting cover 10 are symmetrically fixed with connecting blocks 13, the connecting blocks 13 are fixedly connected with the shell cover 5 through bolts, the top of the connecting cover 10 is fixedly penetrated through a power supply connector 14, one end of the power supply connector 14, which is close to the conducting rod 2, is fixedly provided with a conducting wire 15, one end of the conducting wire 15, which is far away from the power supply connector 14, is fixedly connected with the conducting rod 2, the inner wall of the shell 1 is fixedly provided with an insulating layer 16, the outer wall of the shell 1 is fixedly provided with an anti-corrosion layer 17, the anti-corrosion layer 17 is fixedly arranged on the outer wall of the shell 1, when an electric heating pipe heats corrosive liquid, a better anti-corrosion effect can be achieved, so that the shell 1 cannot be damaged, elements inside the shell 1 can be better protected, the first annular slot 7 is arranged at the top of the shell 1, and the first annular insertion block 6 is fixedly arranged at the bottom of the shell cover, the second annular insertion groove 12 is formed in the top of the housing cover 5, and the second annular insertion block 11 is fixed to the bottom of the connecting cover 10, so that the sealing performance between the connecting cover 10 and the housing cover 5 can be improved.

Specifically, the outer side wall of the cover plug 8 is provided with an external thread, the inner wall of the top end of the shell 1 is provided with an internal thread, the external thread is matched with the internal thread, the bottom of the cover plug 8 is in contact with the filler 4, the cover plug 8 is convenient to fix in the shell 1, and the filler 4 can be prevented from leaking out.

Specifically, the insulating layer 16 is made of a nano composite ceramic material, which has a good insulating effect and good heat conductivity.

Specifically, the corrosion-resistant layer 17 is made of polytetrafluoroethylene, and can achieve a good corrosion-resistant effect.

Specifically, the shell 1 is made of copper, so that a good heat conduction effect can be achieved.

Specifically, the filler 4 is made of magnesium oxide, and can achieve a good heat conduction effect and an insulation effect.

Specifically, the shell cover 5, the cover plug 8 and the connecting cover 10 are made of high-temperature-resistant rubber, so that a good insulating effect and a good high-temperature-resistant effect can be achieved.

When the shell is used, the shell 1 is placed in liquid to be heated, then the power connector 14 is electrified, so that the resistance wire 3 can generate a large amount of heat, the heat is conducted to the shell 1 through the filling material 4 and the insulating layer 16, the shell 1 transfers the heat to the heated liquid, the corrosion-resistant layer 17 is arranged on the surface of the shell 1, so that the shell 1 has a good corrosion-resistant effect, the first annular insertion block 6 at the bottom of the shell cover 5 is arranged in the first annular insertion groove 7 of the shell 1, so that the shell cover 5 and the shell 1 have good sealing performance, and the second annular insertion block 11 at the bottom of the connecting cover 10 is arranged in the second annular insertion groove 12 of the shell cover 5, so that the connecting cover 10 and the shell cover 5 have good sealing performance.

In conclusion, this corrosion-resistant electric heating pipe, through the fixed corrosion-resistant layer 17 at the outer wall of casing 1, when electric heating pipe is to corrosive liquids heating, can play better corrosion-resistant effect, thereby casing 1 just can not be damaged, the inside component of casing 1 just can obtain better protection, through setting up first annular slot 7 at the top of casing 1, be fixed with first annular inserted block 6 in the bottom of casing lid 5, can make casing lid 5 and casing 1's leakproofness obtain improving, through set up second annular slot 12 at the top of casing lid 5, be fixed with second annular inserted block 11 in the bottom of connecting cover 10, can improve the leakproofness between connecting cover 10 and casing lid 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can 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 corrosion-resistant electric heating tube, includes casing (1), its characterized in that: the conductive rod (2) is installed inside the shell (1), the resistance wire (3) is wound and fixed on the outer side of the conductive rod (2), the filling material (4) is arranged inside the shell (1), the shell cover (5) is arranged on the top of the shell (1), the first annular insertion block (6) is fixed on the bottom of the shell cover (5), the first annular insertion groove (7) is formed in the top of the shell (1), the first annular insertion block (6) is arranged in the first annular insertion groove (7), the cover plug (8) is fixed on the bottom of the shell cover (5), the cover plug (8) is arranged in the shell (1), the through hole (9) is formed in the top of the cover plug (8), one end, far away from the inner wall of the bottom of the shell (1), of the conductive rod (2) slides through the top of the shell cover (5), the top of the shell cover (5) is provided with a connecting cover (10), the bottom of connecting cover (10) is fixed with second annular inserted block (11), second annular slot (12) have been seted up at the top of cap (5), second annular inserted block (11) set up in second annular slot (12), the both sides wall symmetry of connecting cover (10) is fixed with connecting block (13), connecting block (13) pass through bolt and cap (5) fixed connection, the top of connecting cover (10) is run through and is fixed with power connection (14), the one end that power connection (14) are close to conducting rod (2) all is fixed with conductor wire (15), the one end that power connection (14) were kept away from in conductor wire (15) all with conducting rod (2) fixed connection, the inner wall of casing (1) is fixed with insulating layer (16), the outer wall of casing (1) is fixed with corrosion-resistant layer (17).

2. A corrosion-resistant electric heating tube according to claim 1, characterized in that: the outer side wall of the cover plug (8) is provided with an external thread, the inner wall of the top end of the shell (1) is provided with an internal thread, the external thread is matched with the internal thread, and the bottom of the cover plug (8) is contacted with the filling material (4).

3. A corrosion-resistant electric heating tube according to claim 1, characterized in that: the insulating layer (16) is a nano composite ceramic material.

4. A corrosion-resistant electric heating tube according to claim 1, characterized in that: the corrosion-resistant layer (17) is made of polytetrafluoroethylene.

5. A corrosion-resistant electric heating tube according to claim 1, characterized in that: the shell (1) is made of copper.

6. A corrosion-resistant electric heating tube according to claim 1, characterized in that: the filler (4) is made of magnesia powder.

7. A corrosion-resistant electric heating tube according to claim 1, characterized in that: the shell cover (5), the cover plug (8) and the connecting cover (10) are all made of high-temperature-resistant rubber.