Tail gas recycling and heating equipment for miniature turbine engine
By setting up a thermal ring and thermal wire structure at the tail vertebra of the wake of the micro-turbo engine, and heating the fuel with high flame temperature, the problem of low combustion efficiency caused by low fuel temperature is solved, and the initial heating and combustion efficiency of fuel is achieved.
Patent Information
- Application Number
- CN202422436941.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-10-10
AI Technical Summary
In the prior art, fuel burns instantly and has a low temperature, resulting in poor atomization effect and low combustion efficiency.
A miniature turbine engine exhaust gas recovery heating device is designed. By setting up an auxiliary structure at the tail vertebrae, the flame is transmitted to the thermal conduction ring by high flame temperature. The thermal conduction wire heats the oil inlet pipe to increase the fuel temperature, including a combined structure of the thermal conduction ring, a thermal conduction column, a thermal conduction rod, a thermal conduction wire and a screw.
The combustion efficiency of the fuel is improved by initial heating of the fuel. The thermal conduction wire is made of nickel-chromium alloy, which has good corrosion resistance and high temperature stability, making it easy to replace.
Smart Images
Figure CN223227426U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tail gas recovery and heating equipment, in particular to a micro turbine engine tail gas recovery and heating equipment. Background Art
[0002] The exhaust gas recovery and heating equipment is mainly used for a micro-turbine engine exhaust gas recovery and heating equipment, which is relatively common in the prior art.
[0003] In the existing technology, fuel is directly injected into the interior of the turbine engine body and then ignited by sparks. Since the fuel burns instantly and the temperature of the fuel is low, it will affect the fuel atomization effect, resulting in reduced fuel combustion efficiency. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings of the prior art that the fuel is burned in an instant and the temperature of the fuel is low, which affects the fuel atomization effect and reduces the fuel combustion efficiency, and to propose a micro-turbine engine exhaust gas recovery and heating device.
[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a micro-turbine engine exhaust gas recovery and heating device, comprising a turbine engine body, a compressor device is installed at one end of the turbine engine body, a wake tail cone is installed at the end of the turbine engine body away from the compressor device, a spark plug and an oil inlet pipe are installed on the inner wall of the turbine engine body, an auxiliary structure is provided on the arc surface of the wake tail cone, the auxiliary structure comprises a first heat-conducting ring and a second heat-conducting ring, the second heat-conducting ring is fixedly connected to the oil inlet pipe, the arc surface of the first heat-conducting ring is fixedly connected to a connecting block and a heat-conducting column, the side of the connecting block away from the wake tail cone is fixedly connected to a fixing plate, the fixing plate is fixedly connected to the turbine engine body, and the second heat-conducting ring is fixedly connected to the turbine engine body. The arc surface of the heat ring and the heat conducting column are fixedly connected to the heat conducting rod, the inner wall of the heat conducting rod is threadedly connected with a screw rod, one end of the screw rod is fixedly connected to a rotating column, the inner walls of the two heat conducting rods are slidably connected with a heat conducting wire, and the two screw rods are slidably connected to the heat conducting wire, and the fixed plate is fixedly connected to a heat insulation cover on one side away from the turbine engine body, and the heat insulation cover is fixedly connected to a mounting block on one side of the mounting block, and the rotating block is rotatably connected to the upper surface of the rotating block. The cover plate is fixedly connected to a limiting block on one side away from the rotating block, and the rotating block is fixedly connected to a fixed block on one side away from the mounting block, an auxiliary groove is provided on the inner wall of the fixed block, a positioning block is slidably connected to the inner wall of the auxiliary groove, and a positioning groove is provided on the inner wall of the positioning block.
[0006] The effect achieved by the above components is: by setting up auxiliary structures, when the turbine engine body is started, flames will be ejected from the wake tail cone, and the high temperature will be transferred from the wake tail cone to the first heat conduction ring, and then the heat will be transferred from the first heat conduction ring to the second heat conduction ring through the heat conduction wire. Finally, the heat will be used to heat the oil inlet pipe through the second heat conduction wire, which can preliminarily heat the fuel and thus improve the combustion efficiency of the fuel.
[0007] Preferably, the arc surface of the rotating column is provided with a plurality of anti-slip grooves, and the anti-slip grooves are evenly provided on the arc surface of the rotating column.
[0008] The effect achieved by the above components is that the anti-slip groove can increase the friction between the personnel's hands and the rotating column, and can prevent the personnel from slipping when rotating the rotating column.
[0009] Preferably, a connecting block is fixedly connected to a side of the positioning block away from the heat-insulating cover, and the cross-section of the connecting block is rectangular.
[0010] The effect achieved by the above components is that the connecting block can facilitate personnel to move the positioning block, which can improve the convenience of personnel operation.
[0011] Preferably, a telescopic rod is fixedly connected to the inner wall of the auxiliary groove, and the output end of the telescopic rod is fixedly connected to the positioning block.
[0012] The effect achieved by the above components is that the telescopic rod can limit the positioning block, thereby preventing the positioning block from being misplaced when sliding on the inner wall of the auxiliary groove.
[0013] Preferably, the arc surface of the telescopic rod is sleeved with a spring, and both ends of the spring are fixedly connected to the positioning block and the side wall of the auxiliary groove respectively.
[0014] The effect achieved by the above components is that the spring can temporarily fix the positioning block and prevent the positioning block from sliding off the surface of the limit block.
[0015] Preferably, the thermal wire is made of nickel-chromium alloy.
[0016] The effects achieved by the above components are: the nickel-chromium alloy material has good corrosion resistance and good high-temperature stability, and the thermal wire is not easily damaged during short-term use.
[0017] In summary, the beneficial effects of the present invention are as follows:
[0018] In the present invention, after the turbine engine body is started, the flame is ejected from the tail cone of the wake. The high temperature generated during the flame ejection process will be conducted to the first heat-conducting ring, and then from the first heat-conducting ring to the heat-conducting column, and then from the heat-conducting column to the heat-conducting rod, and then from the heat-conducting rod to the heat-conducting wire, and then from the heat-conducting wire to another heat-conducting rod, and then from the heat-conducting rod to the second heat-conducting ring. Finally, the heat-conducting ring will heat the oil inlet pipe, and the oil inlet pipe will preliminarily heat the circulating fuel. The heat-conducting wire is a nickel-chromium alloy. The nickel-chromium alloy material has good corrosion resistance and good high-temperature stability. The heat-conducting wire is not easy to be damaged during short-term use. When the heat-conducting wire needs to be replaced after a long period of use, the personnel can first use the connecting block to drive the positioning block to move away from the connecting block. The connecting block can facilitate the personnel to move the positioning block, which can improve the personnel's operation convenience. Then the positioning block drives the output end of the telescopic rod to move in the direction away from the limit block. The telescopic rod can limit the positioning block, which can prevent the positioning block from being dislocated when sliding on the inner wall of the auxiliary groove. The positioning block then drives the spring to rewind, and the spring can temporarily fix the positioning block to prevent the positioning block from sliding out of the surface of the limiting block until the positioning block slides out of the surface of the limiting block. At this time, the cover plate is rotated to rotate in the direction away from the fixed block, and the cover plate drives the rotating block to rotate. After rotating to a suitable angle, the personnel rotates the rotating column, and the rotating column drives the screw rod to rotate, so that the screw rod moves in the direction away from the heat conducting wire until the screw rod slides out of the inner wall of the heat conducting wire. At this time, the personnel can replace a new heat conducting wire. The anti-skid groove on the arc surface of the rotating column can increase the friction between the personnel's hand and the rotating column, which can prevent the personnel from slipping when the rotating column is rotated. By setting an auxiliary structure, the fuel entering the turbine engine body can be preliminarily heated, thereby improving the combustion efficiency of the fuel. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the auxiliary structure of the utility model;
[0021] Figure 3 For this utility model Figure 2 Schematic diagram of the local structure;
[0022] Figure 4 For this utility model Figure 3 A magnified view of point A;
[0023] Figure 5 For this utility model Figure 2 Schematic diagram of the side structure;
[0024] Figure 6For this utility model Figure 5 Schematic diagram of the local structure;
[0025] Figure 7 For this utility model Figure 6 Enlarged view of point B.
[0026] Legend: 1. Turbine engine body; 2. Spark plug; 3. Oil inlet pipe; 4. Auxiliary structure; 401. Fixing plate; 402. First heat-conducting ring; 403. Connecting block; 404. Insulation cover; 405. Second heat-conducting ring; 406. Heat-conducting rod; 407. Mounting block; 408. Rotating block; 409. Cover plate; 410. Limiting block; 411. Heat-conducting column; 412. Fixing block; 413. Heat-conducting wire; 414. Screw rod; 415. Rotating column; 416. Anti-skid groove; 417. Auxiliary groove; 418. Positioning block; 419. Telescopic rod; 420. Spring; 421. Connecting block; 422. Positioning groove; 5. Compressor device; 6. Wake tail cone. DETAILED DESCRIPTION
[0027] Reference Figure 1 As shown, the utility model provides a technical solution: a micro-turbine engine exhaust gas recovery and heating device, comprising a turbine engine body 1, a compressor device 5 is installed at one end of the turbine engine body 1, a wake tail cone 6 is installed at the end of the turbine engine body 1 away from the compressor device 5, a spark plug 2 and an oil inlet pipe 3 are installed on the inner wall of the turbine engine body 1, and an auxiliary structure 4 is provided on the arc surface of the wake tail cone 6.
[0028] The following specifically describes the specific configuration and function of the auxiliary structure 4.
[0029] Reference Figures 2 to 7As shown, in this embodiment: the auxiliary structure 4 includes a first heat-conducting ring 402 and a second heat-conducting ring 405, the second heat-conducting ring 405 is fixedly connected to the oil inlet pipe 3, the arc surface of the first heat-conducting ring 402 is fixedly connected to the connecting block 403 and the heat-conducting column 411, the side of the connecting block 403 away from the wake tail cone 6 is fixedly connected to the fixing plate 401, the fixing plate 401 is fixedly connected to the turbine engine body 1, the arc surfaces of the second heat-conducting ring 405 and the heat-conducting column 411 are fixedly connected to the heat-conducting rod 406, the inner wall of the heat-conducting rod 406 is threadedly connected to the screw rod 414, one end of the screw rod 414 is fixedly connected to the rotating column 415, the inner walls of the two heat-conducting rods 406 are slidably connected to the heat-conducting wire 413, and the two screw rods 414 are slidably connected to the heat-conducting wire 413, fixed. The fixed plate 401 is fixedly connected to a heat preservation cover 404 on one side away from the turbine engine body 1, and a mounting block 407 is fixedly connected to one side of the heat preservation cover 404. A rotating block 408 is rotatably connected to one side of the mounting block 407. A cover plate 409 is fixedly connected to the upper surface of the rotating block 408. A limit block 410 is fixedly connected to the side of the cover plate 409 away from the rotating block 408. A fixed block 412 is fixedly connected to the side of the rotating block 408 away from the mounting block 407. An auxiliary groove 417 is provided on the inner wall of the fixed block 412. A positioning block 418 is slidably connected to the inner wall of the auxiliary groove 417. A positioning groove 422 is provided on the inner wall of the positioning block 418. By setting the auxiliary structure 4, when the turbine engine body 1 is started, the flame is ejected from the tail cone 6 of the wake, and the high temperature will be discharged from the tail cone 6 of the wake. The vertebra 6 is transferred to the first heat-conducting ring 402, and then the heat is transferred from the first heat-conducting ring 402 to the second heat-conducting ring 405 through the heat-conducting wire 413. Finally, the heat is used to heat the oil inlet pipe 3 through the second heat conduction, which can preliminarily heat the oil and thus improve the combustion efficiency of the oil. The arc surface of the rotating column 415 is provided with a plurality of anti-skid grooves 416, and the anti-skid grooves 416 are evenly arranged on the arc surface of the rotating column 415. The anti-skid grooves 416 can increase the friction between the personnel's hands and the rotating column 415, and can prevent the personnel from slipping when rotating the rotating column 415. The side of the positioning block 418 away from the heat-insulating cover 404 is fixedly connected with a connecting block 421. The cross-section of the connecting block 421 is rectangular, and the connecting block 421 can facilitate personnel to position The block 418 is moved to improve the convenience of personnel operation. The inner wall of the auxiliary groove 417 is fixedly connected with a telescopic rod 419. The output end of the telescopic rod 419 is fixedly connected to the positioning block 418. The telescopic rod 419 can limit the positioning block 418 to prevent the positioning block 418 from being dislocated when sliding on the inner wall of the auxiliary groove 417. The arc surface of the telescopic rod 419 is covered with a spring 420. The two ends of the spring 420 are respectively fixedly connected to the positioning block 418 and the side wall of the auxiliary groove 417. The spring 420 can temporarily fix the positioning block 418 to prevent the positioning block 418 from sliding out of the surface of the limit block 410. The thermal wire 413 is made of nickel-chromium alloy. Nickel-chromium alloy has good corrosion resistance and good high-temperature stability.The heat conducting wire 413 is not easily damaged during short-term use.
[0030] Working principle: after starting the turbine engine body 1, the flame is ejected from the tail cone 6. The high temperature generated during the flame ejection process will be conducted to the first heat-conducting ring 402, and then from the first heat-conducting ring 402 to the heat-conducting column 411, and then from the heat-conducting column 411 to the heat-conducting rod 406, and then from the heat-conducting rod 406 to the heat-conducting wire 413, and then from the heat-conducting wire 413 to another heat-conducting rod 406, and then from the heat-conducting rod 406 to the second heat-conducting ring 405. Finally, the heat-conducting ring will heat the oil inlet pipe 3, and the oil inlet pipe 3 will conduct preliminary heating of the circulating fuel. The heating wire 413 is made of nickel-chromium alloy. The nickel-chromium alloy has good corrosion resistance and good high-temperature stability. The thermal wire 413 is not easy to be damaged during short-term use. When the thermal wire 413 needs to be replaced after a long period of use, the personnel can first use the connecting block 421 to drive the positioning block 418 to move away from the connecting block 421. The connecting block 421 can facilitate the personnel to move the positioning block 418, which can improve the convenience of personnel operation. Then the positioning block 418 drives the output end of the telescopic rod 419 to move away. The cover plate 409 is rotated to move away from the fixing block 412. Rotate, the cover plate 409 drives the rotating block 408 to rotate. After rotating to a suitable angle, the personnel rotates the rotating column 415, and the rotating column 415 drives the screw rod 414 to rotate, so that the screw rod 414 moves away from the thermal wire 413 until the screw rod 414 slides out of the inner wall of the thermal wire 413. At this time, the personnel can replace a new thermal wire 413. The anti-slip groove 416 provided on the arc surface of the rotating column 415 can increase the friction between the personnel's hand and the rotating column 415, and can prevent the personnel from slipping when rotating the rotating column 415.
[0031] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
Claims
1. A micro-turbine engine exhaust gas recovery and heating device, comprising a turbine engine body (1), characterized in that: A compressor device (5) is installed at one end of the turbine engine body (1), a tail cone (6) is installed at one end of the turbine engine body (1) away from the compressor device (5), a spark plug (2) and an oil inlet pipe (3) are installed on the inner wall of the turbine engine body (1), an auxiliary structure (4) is provided on the arc surface of the tail cone (6), and the auxiliary structure (4) includes a first heat conducting ring (402) and a second heat conducting ring (405), and the second heat conducting ring (405) is fixed to the oil inlet pipe (3). The arc surface of the first heat-conducting ring (402) is fixedly connected to a connecting block (403) and a heat-conducting column (411), and the side of the connecting block (403) away from the wake tail cone (6) is fixedly connected to a fixing plate (401), and the fixing plate (401) is fixedly connected to the turbine engine body (1). The arc surfaces of the second heat-conducting ring (405) and the heat-conducting column (411) are fixedly connected to a heat-conducting rod (406), and the inner wall of the heat-conducting rod (406) is threadedly connected to a screw rod (414). One end of the screw rod (414) is fixedly connected to a rotating column (415), the inner walls of the two heat-conducting rods (406) are slidably connected to the heat-conducting wire (413), the two screw rods (414) are slidably connected to the heat-conducting wire (413), the side of the fixed plate (401) away from the turbine engine body (1) is fixedly connected to a heat-insulating cover (404), one side of the heat-insulating cover (404) is fixedly connected to a mounting block (407), one side of the mounting block (407) is rotatably connected to a rotating block (408), the The upper surface of the rotating block (408) is fixedly connected to a cover plate (409), a side of the cover plate (409) away from the rotating block (408) is fixedly connected to a limiting block (410), a side of the rotating block (408) away from the mounting block (407) is fixedly connected to a fixing block (412), an inner wall of the fixing block (412) is provided with an auxiliary groove (417), an inner wall of the auxiliary groove (417) is slidably connected to a positioning block (418), and an inner wall of the positioning block (418) is provided with a positioning groove (422).
2. The micro-turbine engine exhaust gas recovery and heating device according to claim 1, characterized in that: The arc surface of the rotating column (415) is provided with a plurality of anti-slip grooves (416), and the anti-slip grooves (416) are evenly provided on the arc surface of the rotating column (415).
3. The micro-turbine engine exhaust gas recovery and heating device according to claim 1, characterized in that: A connecting block (421) is fixedly connected to the side of the positioning block (418) away from the heat-insulating cover (404), and the cross section of the connecting block (421) is rectangular.
4. The micro-turbine engine exhaust gas recovery and heating device according to claim 1, characterized in that: A telescopic rod (419) is fixedly connected to the inner wall of the auxiliary groove (417), and an output end of the telescopic rod (419) is fixedly connected to a positioning block (418).
5. The micro-turbine engine exhaust gas recovery and heating device according to claim 4, characterized in that: The arc surface of the telescopic rod (419) is covered with a spring (420), and the two ends of the spring (420) are fixedly connected to the positioning block (418) and the side wall of the auxiliary groove (417) respectively.
6. The micro-turbine engine exhaust gas recovery and heating device according to claim 1, characterized in that: The heat conducting wire (413) is made of nickel-chromium alloy.