CN114593606A - Split vertical rotor heating device - Google Patents
Split vertical rotor heating device Download PDFInfo
- Publication number
- CN114593606A CN114593606A CN202210265683.8A CN202210265683A CN114593606A CN 114593606 A CN114593606 A CN 114593606A CN 202210265683 A CN202210265683 A CN 202210265683A CN 114593606 A CN114593606 A CN 114593606A
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- hearth
- furnace
- vertical rotor
- split
- heating element
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 49
- 238000012360 testing method Methods 0.000 claims abstract description 31
- 230000005855 radiation Effects 0.000 claims abstract description 5
- 238000010792 warming Methods 0.000 claims description 20
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000009661 fatigue test Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/02—Furnaces of a kind not covered by any preceding group specially designed for laboratory use
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Tunnel Furnaces (AREA)
Abstract
The application provides a to open vertical rotor heating apparatus, include furnace down, go up furnace and heating element, wherein: the lower hearth consists of a left hearth and a right hearth which are of a left-right split structure, the upper end surfaces of the left hearth and the right hearth are fixedly provided with locking slide blocks, the lower end surface of the upper hearth is fixedly provided with two parallel guide rails, the guide rails and the locking slide blocks are matched to form a sliding push type mounting structure, and the upper hearth and the lower hearth are mounted and dismounted by controlling the left hearth and the right hearth to slide relatively along the guide rails; the heating element is independently controlled to be arranged in the left hearth and the right hearth, and the vertical rotor test piece is heated through heat radiation by the heating element. The heating device of this application can be under the condition of not touching the test piece, and the disassembly of furnace in order to maintain has just changed the last furnace atress, and the mounting means is safe and reliable more in the realization.
Description
Technical Field
The application belongs to the technical field of aero-engine tests, and particularly relates to a split vertical rotor heating device.
Background
The hot end parts of the aero-engine generally comprise a high-pressure compressor, a combustion chamber, a turbine, a tail nozzle and the like, and when the hot end parts are used for carrying out strength or fatigue tests on an aero-engine wheel disc on a test device, the real working environment of the aero-engine needs to be simulated as much as possible, so that the test result is more real and effective. Therefore, wheel disc strength or fatigue tests are typically required to be performed in a warmed-up state. Simulating the real temperature field of the turbine disk then becomes a key technology for rotor testing.
As shown in fig. 1, the existing turbine disk temperature load application method is implemented by using an integrated cylindrical heating furnace, the upper end of a lower furnace chamber 11 of the cylindrical heating furnace 10 is provided with an opening, a rotor test piece 13 is hoisted into the lower furnace chamber 11 from the opening at the upper end so as to be wrapped in the cylindrical lower furnace chamber 11, and the upper furnace chamber seals the opening to complete installation. A heater 12 and a heater 14 are installed on the bottom wall, the side wall and the inner wall of the upper hearth 11 of the lower hearth. Under the vacuum condition, the heat of the heating elements at the periphery of the furnace body is transferred to the rotor test piece 13 in a heat radiation mode.
This vertical rotor heating device divide into upper and lower two parts, will go up furnace and integral type lower furnace hoist and mount through the long screw and link together, and the rotor test piece parcel heats in the device. However, the vertical rotor warming device has the following disadvantages:
1) when any heating element in the heating device is damaged, the heating element in the hearth can be maintained only by disassembling the rotor test piece;
2) when a rotor test piece is checked, the upper and lower hearths are required to be integrally separated, the operation steps are reversely locked, and the maintenance cost is high;
3) the weight of the upper hearth is completely borne by the surrounding long screws, and the middle part is collapsed due to weight and thermal deformation, so that the test piece is easy to scratch;
4) the long screw extending out of the upper hearth has potential safety hazard to operators;
5) the heating element position and power are fixed, the universality is poor, and the layout is lack of pertinence.
Disclosure of Invention
It is an object of the present application to provide a split vertical rotor warming apparatus to solve or mitigate at least one problem in the background art.
The technical scheme of the application is as follows: a split vertical rotor warming apparatus comprising a lower furnace, an upper furnace and a heating element, wherein:
the lower hearth consists of a left hearth and a right hearth which are of a left-right split structure, the upper end surfaces of the left hearth and the right hearth are fixedly provided with locking slide blocks, the lower end surface of the upper hearth is fixedly provided with two parallel guide rails, the guide rails and the locking slide blocks are matched to form a sliding push type mounting structure, and the upper hearth and the lower hearth are mounted and dismounted by controlling the left hearth and the right hearth to slide relatively along the guide rails;
the heating element is independently controlled to be arranged in the left hearth and the right hearth, and the vertical rotor test piece is heated through heat radiation by the heating element.
Furthermore, the left hearth and the right hearth are both of semicircular structures and form a circular furnace body after being connected.
Further, the lower hearth and/or the upper hearth are made of heat-preserving and heat-insulating structures or materials.
Further, the inner parts of the lower hearth and the upper hearth are coated with heat preservation or heat insulation coatings.
Furthermore, heat insulation materials are arranged or bonded outside the lower hearth and the upper hearth.
Further, the furnace body temperature measuring device further comprises a temperature measuring galvanic couple, wherein the temperature measuring galvanic couple is arranged in the heating device and used for measuring the temperature in the furnace body.
Furthermore, the heating elements are laid on the upper side and the lower side of the inner walls of the left hearth and the right hearth, and the number of the heating elements on the upper side is more than that of the heating elements on the lower side.
The heating device can realize the disassembly of the upper hearth so as to be convenient for maintenance under the condition of not touching a test piece; the furnace body is removed or partially removed, a power line and an electric couple line are not removed, the test piece is partially exposed, the wheel disc can be decomposed in the test process and checked in the installation process, and the wheel disc test device is simple and labor-saving; in addition, the heating device of this application has changed the thorax atress of going up, becomes line atress or face atress by the multiple spot atress to original long screw can be abandoned, the hoist and mount locate mode that adopts safer and more reliable.
Drawings
In order to more clearly illustrate the technical solutions provided by the present application, the following briefly introduces the accompanying drawings. It is to be expressly understood that the drawings described below are only illustrative of some embodiments of the invention.
Fig. 1 is a schematic structural view of a vertical rotor warming device in the prior art.
FIG. 2 is a schematic view of the split vertical rotor warming apparatus of the present application.
FIG. 3 is a schematic view of the single-sided components of the split vertical rotor warming device of the present application.
FIG. 4 is an internal schematic view of the split vertical rotor warming device of the present application.
FIG. 5 is a schematic view of a warming element according to an embodiment of the present application.
FIG. 6 is a schematic view of a warming element according to another embodiment of the present application.
FIG. 7 is a schematic view of a warming element according to a third embodiment of the present application.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application.
In order to solve the problems that the existing heating device is complex in disassembly and assembly operation, the heating element is single in structure, the layout lacks pertinence and is not easy to maintain, and the like, the application provides a vertical rotor heating device which can realize temperature difference, is adjustable in layout, convenient to disassemble and assemble, high in universality and convenient to maintain.
As shown in fig. 2 to 4, the split vertical rotor warming device 20 provided by the present application mainly comprises a split lower furnace 21 and an upper furnace 23.
The split lower hearth 21 is composed of a left hearth 21A and a right hearth 21B, and the left hearth 21A and the right hearth 21B form a furnace body of the heating device by adopting a split structure of split left and right. In the embodiment of the present application, the left furnace 21A and the right furnace 21B are both semicircular, and it is understood that the left furnace 21A and the right furnace 21B may also be in other shapes, such as rectangular. Through setting up lower furnace 21 to open structure in pairs, can reach the purpose of maintenance furnace body (especially last furnace) under the condition of not touching the test piece.
The upper end face fixed mounting of left furnace 21A and right furnace 21B has locking slider 22, and simultaneously, the lower terminal surface of going up furnace 23 is fixed and is provided with two parallel guide rails 24, and guide rail 24 cooperatees with locking slider 22 and forms the propulsive mounting structure that slides, carries out relative slip along guide rail 24 through controlling left furnace 21A and right furnace 21B, can realize going up furnace 23 and lower furnace 21's installation and dismantling. The mounting mode that the guide rail slides and advances is adopted, the inside safe distance of test piece and furnace body can be monitored in real time in the mounting process, and during the test in-process inspection, the furnace body can be partially opened, and the part that can be checked is exposed, so that the mounting and inspection process is safe and reliable, and time and labor are saved. In addition, the guide rail sliding type propulsion mounting structure optimizes the stress of the furnace body, solves the problem that the upper furnace chamber is easy to deform and collapse, can effectively protect a test piece, abandons the long screw type mounting structure, and avoids potential safety hazards while being more reliable and convenient to mount.
In the present application, the lower furnace 21 and/or the upper furnace 23 are made of heat insulation structure or material, for example, a heat insulation coating may be coated on the inside of the lower furnace 21 and the upper furnace 23, and a heat insulation material may be mounted or bonded on the outside of the lower furnace 21 and the upper furnace 23.
As shown in fig. 4 to 6, heating elements 25A to 25C controlled independently are provided inside the left furnace 21A and the right furnace 21B. Referring to the internal structure example of the right hearth 21B shown in FIG. 4, the upper part of the right hearth 21B has two heating elements 25A with relatively short lengths, the heating elements 25A are approximately 1/5-1/4 of the perimeter length of the lower hearth 21, the lower part of the right hearth 21B has one heating element 25B with relatively long length, and the heating elements 25B are approximately 1/3-1/2 of the perimeter length of the lower hearth 21. Each split hearth of the lower hearth 21 is used as an independent heating area, and an independent temperature measuring couple and a power supply are configured to realize that the heating element heats the test piece by heat radiation, the number and the position of the heating element can be disassembled and arranged according to the requirement of the temperature field of the test piece, the distance between the heating element and the test piece can be freely adjusted, and the refinement of the heating scheme can be improved.
In addition, the bottom of left furnace 21A and right furnace 21B is provided with semicircular structure hole 211 respectively, forms holistic centre of a circle hole through two semicircular structure holes 211, and heating element 25C stands in heating device's center through this circular hole to can heat the inside of test piece when the test piece heats in heating device. In addition, strip-shaped holes 212 are also formed in the side walls of the left hearth 21A and the right hearth 21B.
The heating device can realize the disassembly of the upper hearth so as to be convenient for maintenance under the condition of not touching a test piece; the furnace body is removed or partially removed, a power line and an electric couple line are not removed, the test piece is partially exposed, the wheel disc can be decomposed in the test process and checked in the installation process, and the wheel disc test device is simple and labor-saving; in addition, the heating device of this application has changed the upper furnace chamber atress, becomes line atress or face atress by the multiple spot atress to can abandon original long screw, adopt safe and reliable's hoist and mount locate mode.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a to open vertical rotor heating apparatus, its characterized in that, to open vertical rotor heating apparatus includes lower furnace, goes up furnace and heating element, wherein:
the lower hearth consists of a left hearth and a right hearth which are of a left-right split structure, the upper end surfaces of the left hearth and the right hearth are fixedly provided with locking slide blocks, the lower end surface of the upper hearth is fixedly provided with two parallel guide rails, the guide rails and the locking slide blocks are matched to form a sliding push type mounting structure, and the upper hearth and the lower hearth are mounted and dismounted by controlling the left hearth and the right hearth to slide relatively along the guide rails;
the heating element is independently controlled to be arranged in the left hearth and the right hearth, and the vertical rotor test piece is heated through heat radiation by the heating element.
2. The split vertical rotor warming device according to claim 1, wherein said left and right chambers are of a semi-circular configuration and are connected to form a circular shaft.
3. The split vertical rotor warming device according to claim 1 or 2, wherein said lower furnace chamber and/or said upper furnace chamber is made of heat insulating structure or material.
4. The split vertical rotor warming device according to claim 3, wherein the interior of said lower and upper chambers are coated with a thermal or heat insulating coating.
5. The split vertical rotor warming device according to claim 3, wherein an insulating material is installed or bonded to the outside of the lower furnace and the upper furnace.
6. The split vertical rotor warming device according to claim 1, further comprising a temperature thermocouple disposed within said warming device for measuring the temperature within the furnace shell.
7. The split vertical rotor warming device according to claim 1, wherein the warming members are laid on upper and lower sides of the inner walls of the left and right furnace chambers, and the number of the warming members on the upper side is greater than that on the lower side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210265683.8A CN114593606A (en) | 2022-03-17 | 2022-03-17 | Split vertical rotor heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210265683.8A CN114593606A (en) | 2022-03-17 | 2022-03-17 | Split vertical rotor heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114593606A true CN114593606A (en) | 2022-06-07 |
Family
ID=81810736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210265683.8A Pending CN114593606A (en) | 2022-03-17 | 2022-03-17 | Split vertical rotor heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114593606A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002147961A (en) * | 2000-11-13 | 2002-05-22 | Murata Mfg Co Ltd | Heat treatment furnace |
| CN105841492A (en) * | 2016-03-28 | 2016-08-10 | 同济大学 | Assembled resistance furnace capable of being cooperatively deformed with heated structure |
| CN106352311A (en) * | 2016-10-28 | 2017-01-25 | 四川泰吉机电设备制造有限公司 | Multifunctional steam generator |
| CN106839771A (en) * | 2017-02-23 | 2017-06-13 | 中国航发沈阳发动机研究所 | A kind of vertical rotor heating apparatus and system |
| CN109798771A (en) * | 2019-01-31 | 2019-05-24 | 中国航发动力股份有限公司 | One kind testing heating device for aero-engine turbine disk low cycle fatigue life |
| CN110425884A (en) * | 2019-07-11 | 2019-11-08 | 中南大学 | Cooperative transformation resistance furnace suitable for three-dimensional frame structure fire test |
| CN214701742U (en) * | 2021-04-29 | 2021-11-12 | 河南三特炉业科技有限公司 | Vertical tube furnace with movable hearth |
| CN214937680U (en) * | 2021-06-15 | 2021-11-30 | 重庆联铠机械配件有限责任公司 | Quenching furnace hearth convenient for internal cleaning |
| CN215572131U (en) * | 2021-09-01 | 2022-01-18 | 抚顺荣盛机械制造有限公司 | Hearth structure of vacuum furnace |
-
2022
- 2022-03-17 CN CN202210265683.8A patent/CN114593606A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002147961A (en) * | 2000-11-13 | 2002-05-22 | Murata Mfg Co Ltd | Heat treatment furnace |
| CN105841492A (en) * | 2016-03-28 | 2016-08-10 | 同济大学 | Assembled resistance furnace capable of being cooperatively deformed with heated structure |
| CN106352311A (en) * | 2016-10-28 | 2017-01-25 | 四川泰吉机电设备制造有限公司 | Multifunctional steam generator |
| CN106839771A (en) * | 2017-02-23 | 2017-06-13 | 中国航发沈阳发动机研究所 | A kind of vertical rotor heating apparatus and system |
| CN109798771A (en) * | 2019-01-31 | 2019-05-24 | 中国航发动力股份有限公司 | One kind testing heating device for aero-engine turbine disk low cycle fatigue life |
| CN110425884A (en) * | 2019-07-11 | 2019-11-08 | 中南大学 | Cooperative transformation resistance furnace suitable for three-dimensional frame structure fire test |
| CN214701742U (en) * | 2021-04-29 | 2021-11-12 | 河南三特炉业科技有限公司 | Vertical tube furnace with movable hearth |
| CN214937680U (en) * | 2021-06-15 | 2021-11-30 | 重庆联铠机械配件有限责任公司 | Quenching furnace hearth convenient for internal cleaning |
| CN215572131U (en) * | 2021-09-01 | 2022-01-18 | 抚顺荣盛机械制造有限公司 | Hearth structure of vacuum furnace |
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