CN210381348U - High-efficiency radiant tube used in high-temperature furnace - Google Patents
High-efficiency radiant tube used in high-temperature furnace Download PDFInfo
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- CN210381348U CN210381348U CN201920362962.XU CN201920362962U CN210381348U CN 210381348 U CN210381348 U CN 210381348U CN 201920362962 U CN201920362962 U CN 201920362962U CN 210381348 U CN210381348 U CN 210381348U
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Abstract
The utility model discloses a high-efficient radiant tube for in high temperature furnace, first insulating part, second insulating part including body and body both ends, the body comprises the multiunit pipeline, and connects through insulating connecting piece between the multiunit pipeline, insulating connecting piece's internally mounted has the connecting wire, the inside of pipeline is provided with the inner tube, the inside electrode bar that is provided with of inner tube, just the one end terminal surface of electrode bar and the side contact of first insulating part, the other end of electrode bar passes the second insulating part, and end department installs the electrode lead-out wire, the pipeline is provided with a plurality of heat-generating bodies, and is a plurality of at the peripheral equipartition in the outside of inner tube the heat-generating body pass through with the inside electrode bar of inner tube respectively the connecting wire connect, and be a plurality of heat-generating body place circuit parallelly connected. The utility model discloses simple structure, convenient to use can adjust through the efficiency to the heating tube to adjust the holistic work efficiency of device, and the maintenance in the later stage of being convenient for.
Description
Technical Field
The utility model relates to a radiant tube field specifically is a high-efficient radiant tube for in high temperature furnace.
Background
The radiation tube of the traditional electric heating radiation tube is a high-temperature resistant stainless steel tube, a heating element assembly formed by inserting a plurality of resistance wires in a plurality of groups of insulators is arranged in the tube, and heat after the tube is electrified firstly radiates the heat to the outside through the radiation tube. However, the tube body of the conventional radiant tube and the internal heat generating component are integrated, and the use process has the following disadvantages: after the circuits of the heating elements inside the device are communicated, the heating efficiency of the heating elements is fixed and cannot be adjusted, so that the overall heating efficiency of the device is influenced; meanwhile, the overall temperature of the device is uneven due to different lengths of the heating bodies.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient radiant tube for in high temperature furnace, includes body and body both ends first insulator, second insulator, the body comprises the multiunit pipeline, and connects through insulating connecting piece between the multiunit pipeline, insulating connecting piece's internally mounted has the connecting wire, the inside of pipeline is provided with the inner tube, the inside electrode rod that is provided with of inner tube, just the one end terminal surface of electrode rod and the side contact of first insulator, the other end of electrode rod passes the second insulator, and the end department installs the electrode lead-out wire, the pipeline is provided with a plurality of heat-generating bodies at the peripheral equipartition in the outside of inner tube, and is a plurality of the heat-generating body pass through with the inside electrode rod of inner tube respectively the connecting wire connect, and is a plurality of the heat-generating body place circuit parallelly connected.
Preferably, the number of the heating bodies arranged in a single group of the pipelines is even, the heating bodies are divided into two groups, and the two groups of the heating bodies are arranged at intervals.
Preferably, the inner pipe is integrally made of an insulating material, and a heat insulation layer is arranged on the inner wall of the inner pipe.
Preferably, the heating body comprises a heating element and a protective pipe, the heating element is arranged in the protective pipe, and the heating element is a nickel-chromium wire or an iron-chromium-aluminum wire.
Preferably, a plurality of varistors are installed inside the inner tube, the varistors are respectively connected in series with the heating element outside the inner tube, and the input ends of the varistors are connected with an external control device.
The utility model provides a high-efficient radiant tube for in high temperature furnace possesses following beneficial effect:
(1) the utility model discloses a set up a plurality of pipelines to connect through insulating connecting piece between with the pipeline, and set up the inner tube in the inside of pipeline, set up the multiunit heat-generating body in the outside of inner tube, and with the multiunit the heat-generating body between parallelly connected, establish ties in the circuit at heat-generating body place and install rheostat, through adjusting rheostat's resistance, adjust the work efficiency of single heat-generating body, and then the holistic efficiency of generating heat of adjusting device, further, through controlling rheostat's resistance, make the efficiency of the heat-generating body that corresponds reach the highest or minimum, and then make the temperature in the pipeline outside balanced.
(2) The utility model discloses an adopt a plurality of pipelines to constitute the body, and heat-generating body, inner tube and electrode bar wherein all set up the multistage, in the use, adjust the quantity of piping erection according to the user demand, convenient and fast to change, maintain heat-generating body, electrode bar that can be quick in the later stage.
Drawings
Fig. 1 is a schematic structural view of the whole device of the present invention;
fig. 2 is a schematic view of the installation of the heating element of the present invention.
In the figure: 1. a pipe body; 2. a first insulating member; 3. a second insulating member; 4. a pipeline; 5. an insulating connector; 6. an inner tube; 7. an electrode rod; 8. an electrode lead-out wire; 9. a heating element.
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.
As shown in fig. 1-2, the utility model provides a technical solution: a high-efficiency radiant tube used in a high-temperature furnace comprises a tube body 1, a first insulating part 2 and a second insulating part 3 which are arranged at two ends of the tube body 1, wherein the tube body 1 consists of a plurality of groups of pipelines 4, and the plurality of groups of pipelines 4 are connected through an insulating connecting piece 5, a connecting wire is arranged in the insulating connecting piece 5, an inner pipe 6 is arranged in the pipeline 4, an electrode bar 7 is arranged in the inner pipe 6, and one end face of the electrode rod 7 is in contact with the side face of the first insulating member 2, the other end of the electrode rod 7 passes through the second insulating member 3, and end department installs electrode lead-out wire 8, pipeline 4 is provided with a plurality of heat-generating bodies 9 at the peripheral equipartition in the outside of inner tube 6, and is a plurality of heat-generating body 9 pass through with the inside electrode bar 7 of inner tube 6 respectively the connecting wire connect, a plurality of heat-generating body 9 place circuit parallelly connected.
The number of the heating bodies 9 arranged in the single group of the pipelines 4 is even, the heating bodies are divided into two groups, and the two groups of the heating bodies 9 are arranged at intervals, so that the working state of the heating bodies 9 can be conveniently and rapidly adjusted; the whole inner pipe 6 is made of an insulating material, and the inner wall of the inner pipe 6 is provided with a heat insulation layer, so that the electrode rod 7 in the inner pipe 6 is effectively protected, and the service life of the whole device is prolonged; the heating body 9 comprises a heating element and a protective tube, wherein the heating element is arranged in the protective tube and is a nickel-chromium wire or an iron-chromium-aluminum wire; the inner tube 6 is internally provided with a plurality of varistors which are respectively connected with the heating bodies 9 on the outer side of the inner tube 6 in series, the input ends of the varistors are connected with an external control device, and the heating efficiency of the corresponding heating bodies 9 is adjusted by controlling the resistance values of the varistors.
The working principle is as follows: the device is integrally installed, the integral electrode lead-out wires 8 are connected with an external power supply, circuits are communicated, in the using process, the heating bodies 9 on the inner sides of the pipelines 4 work to generate a large amount of heat, the circuits where the heating bodies 9 are located are connected in parallel, rheostats are installed in the circuits where the heating bodies 9 are located in series and connected with an external control device, the resistance values of the rheostats are controlled through the external control device, the working efficiency of the single heating body 9 is adjusted, the integral heating efficiency of the device is adjusted, further, the resistance values of the rheostats are controlled, the efficiency of the corresponding heating bodies 9 is the highest or the lowest, and the temperature on the outer sides of the pipelines 4 is balanced.
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 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 (5)
1. The utility model provides a high-efficient radiant tube for in high temperature furnace, includes first insulating part (2), second insulating part (3) at body (1) and body (1) both ends, its characterized in that: body (1) comprises multiunit pipeline (4), and connects through insulating connecting piece (5) between multiunit pipeline (4), the internally mounted of insulating connecting piece (5) has the connecting wire, the inside of pipeline (4) is provided with inner tube (6), inside electrode bar (7) that is provided with of inner tube (6), just the side contact of the one end terminal surface of electrode bar (7) and first insulating part (2), the other end of electrode bar (7) passes second insulating part (3), and end department installs electrode lead-out wire (8), pipeline (4) are provided with a plurality of heat-generating bodies (9) at the peripheral equipartition in the outside of inner tube (6), and are a plurality of heat-generating body (9) pass through with inside electrode bar (7) of inner tube (6) respectively the connecting wire connect, and are a plurality of heat-generating body (9) place circuit parallelly connected.
2. A high efficiency radiant tube for use in a high temperature furnace as claimed in claim 1 wherein: the number of the heating bodies (9) arranged in the single group of pipelines (4) is even, the heating bodies are divided into two groups, and the two groups of heating bodies (9) are arranged at intervals.
3. A high efficiency radiant tube for use in a high temperature furnace as claimed in claim 1 wherein: the inner pipe (6) is integrally made of an insulating material, and a heat insulation layer is arranged on the inner wall of the inner pipe (6).
4. A high efficiency radiant tube for use in a high temperature furnace as claimed in claim 1 wherein: the heating body (9) comprises a heating element and a protective pipe, wherein the heating element is arranged in the protective pipe, and the heating element is a nickel-chromium wire or an iron-chromium-aluminum wire.
5. A high efficiency radiant tube for use in a high temperature furnace as claimed in claim 1 wherein: the inner tube (6) is internally provided with a plurality of varistors which are respectively connected with a heating body (9) on the outer side of the inner tube (6) in series, and the input ends of the varistors are connected with an external control device.
Priority Applications (1)
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CN201920362962.XU CN210381348U (en) | 2019-03-21 | 2019-03-21 | High-efficiency radiant tube used in high-temperature furnace |
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CN201920362962.XU CN210381348U (en) | 2019-03-21 | 2019-03-21 | High-efficiency radiant tube used in high-temperature furnace |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112055433A (en) * | 2020-09-16 | 2020-12-08 | 江苏优泽科技有限公司 | Radiant tube capable of being cooled rapidly |
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2019
- 2019-03-21 CN CN201920362962.XU patent/CN210381348U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112055433A (en) * | 2020-09-16 | 2020-12-08 | 江苏优泽科技有限公司 | Radiant tube capable of being cooled rapidly |
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