CN210381348U - High-efficiency radiant tube used in high-temperature furnace - Google Patents

High-efficiency radiant tube used in high-temperature furnace Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
inner tube
heat
pipeline
tube
heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201920362962.XU
Other languages
Chinese (zh)
Inventor
马中亮
***
吴月华
陈兴
卢林娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Youze Technology Co ltd
Original Assignee
Jiangsu Youze Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Youze Technology Co ltd filed Critical Jiangsu Youze Technology Co ltd
Priority to CN201920362962.XU priority Critical patent/CN210381348U/en
Application granted granted Critical
Publication of CN210381348U publication Critical patent/CN210381348U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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

High-efficiency radiant tube used in high-temperature furnace
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.
CN201920362962.XU 2019-03-21 2019-03-21 High-efficiency radiant tube used in high-temperature furnace Active CN210381348U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920362962.XU CN210381348U (en) 2019-03-21 2019-03-21 High-efficiency radiant tube used in high-temperature furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920362962.XU CN210381348U (en) 2019-03-21 2019-03-21 High-efficiency radiant tube used in high-temperature furnace

Publications (1)

Publication Number Publication Date
CN210381348U true CN210381348U (en) 2020-04-21

Family

ID=70245809

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920362962.XU Active CN210381348U (en) 2019-03-21 2019-03-21 High-efficiency radiant tube used in high-temperature furnace

Country Status (1)

Country Link
CN (1) CN210381348U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN112996154B (en) Electrode and resistor mixed electrothermal tube, heater and application thereof
CN210381348U (en) High-efficiency radiant tube used in high-temperature furnace
US9936538B2 (en) Radiator element
US4631392A (en) Flexible high temperature heater
CN201131062Y (en) Heating pipe for vitreous enamel electric heating membrane
CN203429209U (en) High-efficient annealing furnace
CN211010372U (en) Transmission unit for preventing plasma gas deposition
CN209960740U (en) Corrosion-resistant electric heating device and heating system
CN103836939A (en) Novel heating tube for solar cell sintering furnace
CN203203233U (en) Pipeline type high-flow-rate gas heater
CN210899660U (en) MCH ceramic electric heater
CN2212245Y (en) Black body rediate source
CN218570495U (en) Radiating heater structure outside pipe
CN214014562U (en) Heating pipe for drinking water equipment
CN103476161A (en) Heating pipe
CN204721630U (en) A kind of plate heater
CN213334980U (en) Water heater
CN214476834U (en) Online annealing coil structure
KR200271540Y1 (en) electric heating device
CN214536834U (en) Multi-hole-site electric heating air heater
CN203461951U (en) Electric heating device for platinum channel
CN203247297U (en) Galvanized heating furnace
CN211823106U (en) Welding-free electric heating carrier, cascade device and heating stove
KR102145380B1 (en) Heating apparatus using flat teflon heating cable heater
CN2363232Y (en) Electric heating film coiled pipe quick-heating type water-heater

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant