CN210629878U - Temperature-limiting explosion-proof heating pipe - Google Patents
Temperature-limiting explosion-proof heating pipe Download PDFInfo
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- CN210629878U CN210629878U CN201921085157.3U CN201921085157U CN210629878U CN 210629878 U CN210629878 U CN 210629878U CN 201921085157 U CN201921085157 U CN 201921085157U CN 210629878 U CN210629878 U CN 210629878U
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Abstract
The utility model discloses a limit for temperature explosion-proof heating pipe relates to heating pipe technical field, including the heating pipe body, the heating pipe body includes outer heating pipe and interior heating pipe, be provided with the heating wire mounting box in the interior heating pipe, be provided with the heating wire in the heating wire mounting box, be provided with a plurality of louvres on the heating wire mounting box, heating wire mounting box both sides are provided with the back pyrocondensation pipe respectively, and the back pyrocondensation pipe is filled with the magnesia powder, be provided with first temperature sensor in the interior heating pipe, first temperature sensor is connected with first temperature controller electricity, first temperature controller is connected with the heating wire electricity, be provided with heating mechanism between outer heating pipe and interior heating pipe. The utility model provides a current heating pipe generally not have temperature-limiting device, in the heating pipe is used, when heating pipe surface temperature reached 400 supplyes 500 degrees, the heating pipe can not reach the problem of explosion-proof requirement.
Description
Technical Field
The utility model belongs to the technical field of the heating pipe, concretely relates to temperature-limiting explosion-proof heating pipe.
Background
The heating pipe is formed by filling an electric heating wire into a seamless metal pipe (a carbon steel pipe, a titanium pipe, a stainless steel pipe and a copper pipe), filling magnesium oxide powder with good heat conductivity and insulativity into a gap part, then shrinking the pipe, and processing the pipe into various shapes required by users. It has simple structure, high heat efficiency, high mechanical strength and excellent adaptability to harsh environment. It can be used for heating various liquids and acid, alkali and salt, and is also suitable for heating and melting metals with low melting point (lead, zinc, tin and babbitt).
The existing heating pipe is not provided with a temperature limiting device generally, and in the application of the heating pipe, when the surface temperature of the heating pipe reaches 400-.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a temperature limit explosion-proof heating pipe to solve the current heating pipe that proposes in the above-mentioned background art and generally not have the temperature limit device, in the heating pipe is used, when heating pipe surface temperature reaches 400 + 500 degrees, the heating pipe can not reach the problem of explosion-proof requirement.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a limit for temperature explosion-proof heating pipe, includes the heating pipe body, the heating pipe body includes outer heating pipe and interior heating pipe, be provided with the heating wire mounting box in the interior heating pipe, be provided with the heating wire in the heating wire mounting box, be provided with a plurality of louvres on the heating wire mounting box, heating wire mounting box both sides are provided with back pyrocondensation pipe respectively, and the pyrocondensation pipe is filled with the magnesia powder in, be provided with first temperature sensor in the interior heating pipe, first temperature sensor is connected with first temperature controller electricity, first temperature controller is connected with the heating wire electricity, be provided with heating mechanism between outer heating pipe and interior heating pipe.
Preferably, the heating wire mounting box is made of fireproof materials.
Preferably, the longitudinal section of the heating wire mounting box is rectangular.
Preferably, the heating mechanism comprises a plurality of heating plates, one side of each heating plate, which is far away from the outer heating pipe, is provided with a temperature sensing sleeve, the temperature sensing sleeve is internally provided with a second temperature sensor, the second temperature sensor is electrically connected with a second temperature controller, the second temperature controller is electrically connected with the heating plates, and one side, which is far away from the heating plates, of the temperature sensing sleeve is provided with a heat transfer layer.
Preferably, the heating plates are provided with five.
Preferably, the heat transfer layer is fixedly arranged on the inner wall of the inner heating pipe.
Compared with the prior art, the utility model provides a temperature limit explosion-proof heating pipe possesses following beneficial effect:
1. the utility model discloses a be provided with first temperature sensor in the heating pipe, be provided with second temperature sensor in the outer heating pipe, the temperature in the internal heating pipe of first temperature sensor is responded to, and then controls through first temperature controller, and second temperature sensor responds to the temperature in the outer heating pipe, and then controls through second temperature controller for the temperature of outer heating pipe and inner heating pipe is no longer than the highest limit temperature.
2. The utility model discloses a be provided with internal heating pipe and external heating pipe for heating pipe heating effect is better, and the heat transfer layer of setting has the effect of quick heat conduction.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization provides very big help for people.
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 a partial structure provided by the present invention;
FIG. 2 is an enlarged schematic view of part A of the present invention;
in the figure: 1. an external heating pipe; 2. an internal heating pipe; 3. a heating pipe body; 4. a second temperature controller; 5. a second temperature sensor; 6. a heat transfer layer; 7. a temperature sensing sleeve; 8. heating plates; 9. a heating wire mounting box; 10. magnesium oxide powder; 11. then pipe shrinking; 12. an electric heating wire.
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. 1-2, the present invention provides a technical solution of a temperature-limiting anti-explosion heating tube: the utility model provides a limit for temperature explosion-proof heating pipe, including heating pipe body 3, heating pipe body 3 includes outer heating pipe 1 and inner heating pipe 2, be provided with heating wire mounting box 9 in the inner heating pipe 2, be provided with heating wire 12 in the heating wire mounting box 9, heating wire mounting box 9 adopts the fire prevention material to make, be provided with a plurality of louvres on the heating wire mounting box 9, the louvre is used for the heat dissipation, heating wire mounting box 9 longitudinal section is rectangle, heating wire mounting box 9 both sides are provided with postshrinkage pipe 11 respectively, postshrinkage pipe 11 is filled with magnesium oxide powder 10, magnesium oxide powder 10 has good thermal conductivity and insulating nature, be provided with first temperature sensor in the inner heating pipe 2, first temperature sensor is connected with first temperature controller electricity, first temperature controller is connected with heating wire 12 electricity, be provided with heating mechanism between outer heating pipe 1 and inner heating pipe 2, the temperature in the inner heating pipe 2 is responded.
Heating mechanism includes a plurality of hot plate 8, hot plate 8 is provided with five, one side that external heating pipe 1 was kept away from to hot plate 8 is provided with temperature sensing sleeve 7, set up in temperature sensing sleeve 7 with second temperature sensor 5, second temperature sensor 5 is connected with second temperature controller 4 electricity, second temperature controller 4 is connected with hot plate 8 electricity, one side that hot plate 8 was kept away from to temperature sensing sleeve 7 is provided with heat transfer layer 6, 2 inner walls of heating pipe including heat transfer layer 6 is fixed to be set up, the temperature in second temperature sensor 5 response external heating pipe 1, heat transfer layer 6 helps quick heat transfer.
The utility model discloses a theory of operation and use flow: when the temperature control device is used, the electric heating wire 12 in the inner heating pipe 2 starts to work and heat, the temperature in the inner heating pipe 2 starts to rise, the heating plate 8 in the outer heating pipe 1 starts to work and heat, the temperature in the outer heating pipe 1 starts to rise, the first temperature sensor senses the temperature in the inner heating pipe 2 and transmits a temperature signal to the first temperature controller, and the electric heating wire 12 of the first temperature controller works to enable the temperature in the inner heating pipe 2 not to exceed the highest temperature; the second temperature sensor 5 senses the temperature of the inner part 1 of the outer heating pipe and transmits a temperature signal to the second temperature controller 4, and the second temperature controller 4 controls the heating plate 8 to work, so that the temperature of the outer heating pipe 1 does not exceed the highest temperature, thereby solving the problem that the existing heating pipe is not provided with a temperature limiting device generally, and when the surface temperature of the heating pipe reaches 400-.
Selecting control temperature according to the explosion-proof grade of the heating pipe, and dividing the explosive environment into T1-T6 groups according to the highest surface temperature: t1-450 deg.C, T2-300 deg.C, T3-200 deg.C, T4-135 deg.C, T5-100 deg.C, T6-85 deg.C, such as explosion-proof grade T4, and maximum temperature limit of 135 deg.C.
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 (6)
1. The utility model provides a limit for temperature explosion-proof heating pipe, includes heating pipe body (3), its characterized in that: the heating pipe body (3) comprises an outer heating pipe (1) and an inner heating pipe (2), a heating wire mounting box (9) is arranged in the inner heating pipe (2), a heating wire (12) is arranged in the heating wire mounting box (9), a plurality of heat dissipation holes are formed in the heating wire mounting box (9), rear shrinkage pipes (11) are respectively arranged on two sides of the heating wire mounting box (9), magnesium oxide powder (10) are filled in the rear shrinkage pipes (11), a first temperature sensor is arranged in the inner heating pipe (2) and electrically connected with a first temperature controller, the first temperature controller is electrically connected with the heating wire (12), and a heating mechanism is arranged between the outer heating pipe (1) and the inner heating pipe (2).
2. The temperature-limiting explosion-proof heating pipe of claim 1, characterized in that: the electric heating wire mounting box (9) is made of fireproof materials.
3. The temperature-limiting explosion-proof heating pipe of claim 1, characterized in that: the longitudinal section of the electric heating wire mounting box (9) is rectangular.
4. The temperature-limiting explosion-proof heating pipe of claim 1, characterized in that: heating mechanism includes a plurality of hot plate (8), and one side that external heating pipe (1) was kept away from in hot plate (8) is provided with temperature sensing sleeve pipe (7), sets up in temperature sensing sleeve pipe (7) with second temperature sensor (5), and second temperature sensor (5) are connected with second temperature controller (4) electricity, second temperature controller (4) are connected with hot plate (8) electricity, one side that hot plate (8) were kept away from in temperature sensing sleeve pipe (7) is provided with heat transfer layer (6).
5. The temperature-limiting anti-explosion heating pipe according to claim 4, characterized in that: the heating plate (8) is provided with five heating plates.
6. The temperature-limiting anti-explosion heating pipe according to claim 4, characterized in that: the heat transfer layer (6) is fixedly arranged on the inner wall of the inner heating pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921085157.3U CN210629878U (en) | 2019-07-12 | 2019-07-12 | Temperature-limiting explosion-proof heating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921085157.3U CN210629878U (en) | 2019-07-12 | 2019-07-12 | Temperature-limiting explosion-proof heating pipe |
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| Publication Number | Publication Date |
|---|---|
| CN210629878U true CN210629878U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921085157.3U Active CN210629878U (en) | 2019-07-12 | 2019-07-12 | Temperature-limiting explosion-proof heating pipe |
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| CN (1) | CN210629878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113286393A (en) * | 2020-10-31 | 2021-08-20 | 东海县晶明照明电器有限公司 | Halogen heating pipe convenient for heat accumulation |
-
2019
- 2019-07-12 CN CN201921085157.3U patent/CN210629878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113286393A (en) * | 2020-10-31 | 2021-08-20 | 东海县晶明照明电器有限公司 | Halogen heating pipe convenient for heat accumulation |
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