CN215113254U

CN215113254U - Tubular heater

Info

Publication number: CN215113254U
Application number: CN202120399937.6U
Authority: CN
Inventors: 谢金土; 陈军
Original assignee: Guoneng Taicang Power Generation Co ltd; Guohua Power Branch of China Shenhua Energy Co Ltd
Current assignee: Guoneng Taicang Power Generation Co ltd; Guohua Power Branch of China Shenhua Energy Co Ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-12-10
Anticipated expiration: 2031-02-23

Abstract

The embodiment of the application provides a tubular heater, relates to heater technical field to solve the problem that the medium to be heated who is in direct contact with the heater surface is heated to higher temperature easily. The tube heater includes: an outer shell, an inner shell, a heating element and an oil cup; the utility model discloses a heating device, including shell body, interior casing, heating element, interior casing, oil cup, interior casing sets up inside the shell body, the inner wall of interior casing constitutes first holding chamber, the inner wall of shell body with the outer wall of interior casing constitutes second holding chamber, heating element stretches into first holding intracavity, heating element is to letting in heat transfer medium in first holding intracavity heats, interior casing is to letting in the medium of waiting to heat in second holding chamber heats, the oil cup is located on the direction of gravity the top of interior casing, just the oil cup with first holding chamber intercommunication. The heating device is used for heating a medium to be heated.

Description

Tubular heater

Technical Field

The application relates to the technical field of heaters, in particular to a tubular heater.

Background

When a medium to be heated is heated by a heater, the medium to be heated which is in direct contact with the surface of the heater is easily heated to a high temperature because the surface temperature of the heater is high. When the temperature is too high, the properties of the medium to be heated are likely to be changed, which may affect the use of the medium to be heated.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a tubular heater to solve the problem that a to-be-heated medium in direct contact with the surface of the heater is easily heated to a higher temperature.

The embodiment of the present application provides a tubular heater, tubular heater includes: an outer shell, an inner shell, a heating element and an oil cup; the utility model discloses a heating device, including shell body, interior casing, heating element, interior casing, oil cup, interior casing sets up inside the shell body, the inner wall of interior casing constitutes first holding chamber, the inner wall of shell body with the outer wall of interior casing constitutes second holding chamber, heating element stretches into first holding intracavity, heating element is to letting in heat transfer medium in first holding intracavity heats, interior casing is to letting in the medium of waiting to heat in second holding chamber heats, the oil cup is located on the direction of gravity the top of interior casing, just the oil cup with first holding chamber intercommunication.

Optionally, the heat exchange medium is heat conduction oil or water.

Optionally, the outer housing is barrel-shaped, and one end of the outer housing has a first opening; the inner shell is barrel-shaped, a second opening is formed in one end of the inner shell, the inner shell extends into the outer shell through the first opening, an end cover is arranged at one end, close to the second opening, of the inner shell, and the end cover is connected with one end, close to the first opening, of the outer shell in a sealing mode.

Optionally, the heating element includes a heating pipe and a seat body, the heating pipe is disposed on the seat body, the heating pipe extends into the inner shell through the second opening, and the seat body is connected to the end cover in a sealing manner.

Optionally, a first heat exchange medium opening and a second heat exchange medium opening are formed in the end cover, and both the first heat exchange medium opening and the second heat exchange medium opening are communicated with the first accommodating cavity, wherein a heat exchange medium can be introduced into the first accommodating cavity through one of the first heat exchange medium opening and the second heat exchange medium opening, and flow out of the first accommodating cavity through the other.

Optionally, the first heat exchange medium opening is located above the second heat exchange medium opening in a gravity direction, and the oil cup is connected to the first heat exchange medium opening.

Optionally, the tube heater further comprises a first stop valve disposed between the oil cup and the first heat exchange medium opening, and a second stop valve connected to the second heat exchange medium opening.

Optionally, the outer housing and the inner housing are both barrel-shaped.

Optionally, a liquid level mark is arranged on the oil cup.

Optionally, a first to-be-heated medium opening and a second to-be-heated medium opening are formed in the outer shell, the to-be-heated medium can pass through one of the first to-be-heated medium opening and the second to-be-heated medium opening and enter the second accommodating cavity, and the other of the to-be-heated medium opening and the second to-be-heated medium opening flows out of the second accommodating cavity.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

in the embodiment of the application, a heat exchange medium can be introduced into the first accommodating cavity, and a medium to be heated can be introduced into the second accommodating cavity; can utilize heating element to heat medium, heat medium's heat can be given for interior casing, can utilize interior casing to heat the medium of treating who lets in second holding chamber, like this, can realize utilizing heat medium to treat heating medium and carry out indirect heating, can prevent to appear treating the too high problem of heating medium local heating temperature through the mode of chooseing for use suitable heat medium. In addition, in the embodiment of the application, the capacity of the heat exchange medium in the first accommodating cavity can be observed through the oil cup, and whether the first accommodating cavity is filled with the heat exchange medium is judged; the pressure generated by volume expansion after the heat exchange medium is heated can be released in time.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or related technologies of the present application, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic view of a tubular heater according to an embodiment of the present disclosure;

fig. 2 is an exploded view of a tubular heater according to an embodiment of the present invention.

Description of reference numerals: 100-tube heaters; 110-an outer shell; 1101-a second accommodating cavity; 1102 — a first opening; 11031-first medium to be heated open; 11032-second medium to be heated opening; 120-an inner housing; 1201-a first accommodation chamber; 1202-a second opening; 1203-end cap; 12031-first heat exchange medium openings; 12032-second heat exchange medium openings; 130-a heating element; 1301-heating tube; 1302-seat body; 140-oil cup; 1501-first stop valve; 1502-second stop valve.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

The embodiment of the application provides a tubular heater. Referring to fig. 1 to 2, a tube heater 100 provided in an embodiment of the present application may include: an outer shell 110, an inner shell 120, a heating element 130, and an oil cup 140. The inner housing 120 may be disposed inside the outer housing 110, the inner wall of the inner housing 120 may form a first receiving chamber 1201, the inner wall of the outer housing 110 and the outer wall of the inner housing 120 may form a second receiving chamber 1101, the heating element 130 may extend into the first receiving chamber 1201, the heating element 130 may be configured to heat a heat exchange medium introduced into the first receiving chamber 1201, the inner housing 120 may be configured to heat a medium to be heated introduced into the second receiving chamber 1101, the oil cup 140 may be located above the inner housing 120 in the gravity direction, and the oil cup 140 may be communicated with the first receiving chamber 1201.

In this way, in the embodiment of the present application, a heat exchange medium may be introduced into the first accommodating chamber 1201, and a medium to be heated may be introduced into the second accommodating chamber 1101; can utilize heating element 130 to heat the heat transfer medium, the heat of heat transfer medium can be given for interior casing 120, can utilize interior casing 120 to heat the medium of treating that lets in second holding chamber 1101, like this, can realize utilizing heat transfer medium to treat the medium of treating and carry out indirect heating, can prevent to appear treating the too high problem of heat transfer medium local heating temperature through the mode of chooseing for use suitable heat transfer medium. In addition, in the embodiment of the application, the capacity of the heat exchange medium in the first accommodating cavity 1201 can be observed through the oil cup 140, and whether the first accommodating cavity 1201 is filled with the heat exchange medium is judged; the pressure generated by volume expansion after the heat exchange medium is heated can be released in time.

Exemplarily, in embodiments of the present application, the heat exchange medium may be a liquid, such as a thermal oil or water. Of course, in other embodiments of the present application, other media may be reasonably selected as the heat exchange medium according to the properties of the medium to be heated, which is not listed here. The medium to be heated may be a liquid, such as oil. Of course, the medium to be heated may also be a fine particulate material or the like. The heating element 130 may be an electric heating element, however, the heating element 130 may also be other heating elements, such as a fossil fuel heating element, which is not listed here.

Alternatively, in embodiments of the present application, the outer housing 110 may be barrel-shaped, and one end of the outer housing 110 may have a first opening 1102. The inner housing 120 may have a barrel shape, and one end of the inner housing 120 may have a second opening 1202. The inner housing 120 may extend into the outer housing 110 through the first opening 1102, and an end of the inner housing 120 near the second opening 1202 may have an end cap 1203, and the end cap 1203 may be sealingly connected to an end of the outer housing 110 near the first opening 1102.

Alternatively, in embodiments of the present application, the heating element 130 may include a heating tube 1301 and a holder body 1302. The heating tube 1301 can be disposed on the seat body 1302, the heating tube 1301 can extend into the inner housing 120 through the second opening 1202, and the seat body 1302 can be sealingly connected to the end cap 1203.

Optionally, in an embodiment of the present application, the end cover 1203 may be provided with a first heat exchange medium opening 12031 and a second heat exchange medium opening 12032. The first heat exchange medium opening 12031 and the second heat exchange medium opening 12032 are both communicated with the first accommodating cavity 1201, wherein the heat exchange medium can pass through one of the first heat exchange medium opening 12031 and the second heat exchange medium opening 12032 to enter the first accommodating cavity 1201, and the other one of the first heat exchange medium opening 12031 and the second heat exchange medium opening 12032 flows out of the first accommodating cavity 1201. In this way, introduction of the heat exchange medium into the first accommodation chamber 1201 is facilitated, and discharge of the used heat exchange medium from the first accommodation chamber 1201 is facilitated on a regular basis.

Optionally, in an embodiment of the present application, the first heat exchange medium opening 12031 may be located above the second heat exchange medium opening 12032 in a gravity direction, and the oil cup 140 may be connected to the first heat exchange medium opening 12031.

Optionally, in an embodiment of the present application, the tube heater 100 may further include a first shut-off valve 1501 and a second shut-off valve 1502, the first shut-off valve 1501 may be disposed between the oil cup 140 and the first heat exchange medium opening 12031, and the second shut-off valve 1502 may be connected to the second heat exchange medium opening 12032.

Alternatively, in the embodiment of the present application, the outer housing 110 and the inner housing 120 are both cylindrical.

Optionally, in the embodiment of the present application, a liquid level indicator may be disposed on the oil cup 140. Therefore, the operator can conveniently judge the capacity of the heat exchange medium in the first accommodating cavity 1201 by taking the liquid level mark as a reference.

Alternatively, in an embodiment of the present application, the outer housing 110 may be provided with a first opening 11031 for a medium to be heated and a second opening 11032 for a medium to be heated. The medium to be heated can pass through one of the first opening 11031 for medium to be heated and the second opening 11032 for medium to be heated to enter the second accommodating chamber 1101, and the other flows out of the second accommodating chamber 1101. Thus, the medium to be heated is conveniently guided into the second accommodating chamber 1101 to be heated.

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.

Although embodiments of the present application 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 embodiments of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A tubular heater, the tubular heater comprising: an outer housing (110), an inner housing (120), a heating element (130), and an oil cup (140); the inner shell (120) is arranged inside the outer shell (110), the inner wall of the inner shell (120) forms a first containing cavity (1201), the inner wall of the outer shell (110) and the outer wall of the inner shell (120) form a second containing cavity (1101), the heating element (130) stretches into the first containing cavity (1201), the heating element (130) heats a heat exchange medium introduced into the first containing cavity (1201), the inner shell (120) heats a medium to be heated introduced into the second containing cavity (1101), the oil cup (140) is located above the inner shell (120) in the gravity direction, and the oil cup (140) is communicated with the first containing cavity (1201).

2. The tube heater of claim 1, wherein the heat exchange medium is a thermal oil or water.

3. The tube heater of claim 1, wherein the outer housing (110) is barrel-shaped, the outer housing (110) having a first opening (1102) at one end; the inner shell (120) is barrel-shaped, one end of the inner shell (120) is provided with a second opening (1202), the inner shell (120) extends into the outer shell (110) through the first opening (1102), one end, close to the second opening (1202), of the inner shell (120) is provided with an end cover (1203), and the end cover (1203) is connected with one end, close to the first opening (1102), of the outer shell (110) in a sealing mode.

4. The tube heater of claim 3, wherein the heating element (130) comprises a heating tube (1301) and a seat body (1302), the heating tube (1301) being disposed on the seat body (1302), the heating tube (1301) extending into the inner housing (120) through the second opening (1202), the seat body (1302) being sealingly connected to the end cap (1203).

5. The tubular heater of claim 3, wherein the end cap (1203) is provided with a first heat exchange medium opening (12031) and a second heat exchange medium opening (12032), the first heat exchange medium opening (12031) and the second heat exchange medium opening (12032) are both communicated with the first accommodating cavity (1201), wherein the heat exchange medium can pass into the first accommodating cavity (1201) through one of the first heat exchange medium opening (12031) and the second heat exchange medium opening (12032), and the other heat exchange medium can flow out of the first accommodating cavity (1201).

6. The tube heater according to claim 5, wherein the first heat exchange medium opening (12031) is located gravitationally above the second heat exchange medium opening (12032), the oil cup (140) being connected to the first heat exchange medium opening (12031).

7. The tube heater according to claim 6, further comprising a first shut-off valve (1501) and a second shut-off valve (1502), the first shut-off valve (1501) being arranged between the oil cup (140) and the first heat exchange medium opening (12031), the second shut-off valve (1502) being connected to the second heat exchange medium opening (12032).

8. The tube heater of claim 3, wherein the outer housing (110) and the inner housing (120) are each barrel-shaped.

9. The tube heater of claim 1, wherein a liquid level indicator is provided on the oil cup (140).

10. The tube heater according to claim 1, wherein a first opening (11031) for a medium to be heated and a second opening (11032) for a medium to be heated are provided on the outer housing (110), and a medium to be heated can be introduced into the second accommodating chamber (1101) through one of the first opening (11031) for a medium to be heated and the second opening (11032) for a medium to be heated, and the other flows out of the second accommodating chamber (1101).