CN204901834U - Rotatory constant volume pressure boost combustion chamber - Google Patents
Rotatory constant volume pressure boost combustion chamber Download PDFInfo
- Publication number
- CN204901834U CN204901834U CN201520670685.0U CN201520670685U CN204901834U CN 204901834 U CN204901834 U CN 204901834U CN 201520670685 U CN201520670685 U CN 201520670685U CN 204901834 U CN204901834 U CN 204901834U
- Authority
- CN
- China
- Prior art keywords
- combustion chamber
- fuel
- air
- spark plug
- constant volume
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a rotatory constant volume pressure boost combustion chamber, including constant volume combustion chamber, fuel inlet tube, fuel outlet, fuel injector, spark plug mount pad, inlet structure and spark plug etc. The utility model discloses in the rotatory constant volume pressure boost combustion chamber simple structure that adopts, a plurality of independent constant volume combustion chambers have, inlet structure can be with air and the incessant combustion chamber of sending into of fuel, high temperature high pressure gas after each independent constant volume combustion chamber burning of the sustainable discharge of exhaust structure realizes that the combustion chamber admits air in succession and exhaust, has improved the combustion chamber and has admitted air and exhaust efficiency, has increased the packing speed of combustion chamber fuel and air simultaneously, the utility model discloses in the rotatory constant volume pressure boost combustion chamber that adopts do not have the piston compressor structure, do not have upper and lower stop, effective volume can equal with the combustion chamber volume, improve the space utilization of combustion chamber, the combustion chamber is because of having avoided the friction between piston and the chamber wall simultaneously, and mechanical friction loss reduces, can promote the heat utilization rate of combustion chamber fuel.
Description
Technical field:
The utility model relates to a kind of combustion chamber, particularly relates to the rotation adopting isochoric combustion etc. and holds pressurized combustion room.
Background technology:
Deng three kinds of usual ways that appearance, equipressure and detonating combustion are fuel energy release, wait appearance and isobaric combustion to be most widely used, detonating combustion is still in the application study stage.In flame propagation velocity, isobaric combustion spread speed is the slowest, and detonating combustion is the fastest, and isochoric combustion is between therebetween; In pressure, isobaric combustion pressure process slightly reduces, and waits appearance and detonating combustion pressure all to have and significantly rises; In temperature, detonating combustion fuel gas temperature is the highest, is secondly isochoric combustion, and isobaric combustion temperature is minimum.To sum up, isochoric combustion has flame propagation speed compared with isobaric combustion, from supercharging and the high performance advantage of ignition temperature, the thermodynamic cycle performance based on isochoric combustion under identical compression ratio and thermal discharge condition is obviously better than isobaric combustion thermodynamic cycle.
Just because of isochoric combustion has above-mentioned advantage, it occupies critical role in the heat energy power mechanism of industrial production, life.As the stroke piston combustion engine utilizing Otto thermodynamic cycle to do work, there is due to it features such as heat utilization rate is high, power bracket is wide, conformability is good, compact conformation, lightweight, volume is little, it is easy to operate to use, it is fast to start, mobility strong, be widely applied at industrial circles such as communications and transportation, small hydropower station generating, oil exploration, minings.But still there is following major defect in the constant volume combustion chamber adopted in internal combustion engine at present: 1) requires high to fuel mass, directly can not use inferior fuel; 2) because combustion chambers of internal combustion engines needs cyclical intermission air inlet and exhaust, limit the air and fuel flow rate that enter combustion chamber, cause internal combustion engine single-machine capacity limited; 3) because combustion chamber adopts piston cylinder operator, certainly exist top dead centre and lower dead center, cause combustion chamber dischargeable capacity to be less than cylinder volume; 4) internal combustion engine and existence friction between piston ring and chamber wall, cause certain mechanical loss, reduce entire internal combustion engine performance.
Utility model content:
The purpose of this utility model is periodicity air inlet in order to solve existing for existing constant volume combustion chamber and exhaust, combustion air and fuel flow rate are limited, combustion chamber dischargeable capacity is less than the problems such as combustion chamber volume, provides a kind ofly to adopt the rotation rotating isochoric combustion mode etc. to hold pressurized combustion room.
For achieving the above object, the utility model adopts following technical scheme:
A kind of rotation waits appearance pressurized combustion room, comprises constant volume combustion chamber, fuel inlet pipe, fuel outlet, fuel nozzle, spark plug mount pad, air intake structure and spark plug; Wherein,
Constant volume combustion chamber adopts centrosymmetric structure, comprise the cylindrical combustion chamber shell with hollow cavity, combustor outer casing circumference is in 180 degree of angles being provided with and the square-tube-shaped exhaust combustion chamber structure that be communicated with tangent with combustor outer casing, the center of combustor outer casing cavity is provided with combustion chamber charge structure, the circumference of combustion chamber charge structure is set with constant volume combustion chamber main body, combustion chamber charge inside configuration is provided with air intake structure, this air intake structure is connected with the cavity formed between combustor outer casing and combustion chamber charge structure, two sides of combustor outer casing are symmetrically arranged with four fuel preheaters,
Each fuel preheater all ringwise, and the relative along clockwise direction two ends of fuel preheater are respectively inlet end and outlet side, the inlet end of each fuel preheater is provided with a fuel inlet pipe, outlet side is provided with a fuel outlet, each fuel preheater is provided with the some fuel nozzles and spark plug mount pad that are communicated with combustor outer casing on the side of fuel preheater inlet end, and spark plug is arranged on spark plug mount pad;
Constant volume combustion chamber main body comprises rotating shaft, one end of this rotating shaft is provided with combustion chamber inner chamber rotating disc, the circumference of combustion chamber inner chamber rotating disc is evenly provided with some combustion chambers dividing plate by combustion chamber inner chamber support, some combustion chambers dividing plate is used for the cavity formed between combustor outer casing and combustion chamber charge structure to be equidistantly divided into several independent constant volume combustion chambers, and the other end of rotating shaft extend out on combustor outer casing relative to being provided with outside a side of air intake structure.
The utility model further improves and is, constant volume combustion chamber main body also comprises the sealing comb toothing being arranged on dividing plate both sides, each combustion chamber.
The utility model further improves and is, fuel nozzle comprises the cylinder blanket of one end open, cylinder blanket is relative to one end of its openend offering some premixed fuel spray-holes, be provided with in cylinder blanket with its concentric and the cylindrical inner casing of one end open, the openend of cylindrical inner casing and the openend of cylinder blanket are arranged in the same way, the circumference of cylindrical inner casing offers some fuel orifices, be connected by some air disturbance orifice plates be arranged in parallel between the outer wall of cylindrical inner casing and the inwall of cylinder blanket, each air disturbance orifice plate all offers air disturbance hole.
The utility model further improves and is, air intake structure comprises the cylindrical housings of one end open, and the circumference of the air intake structure other end offers some air jet holes.
The utility model further improves and is, air intake structure is provided with air filter plate in the inner side near its openend, and this air filter plate offers some manholes.
The utility model further improves and is, is also provided with the arc air baffle that three rows are axially symmetrical inside the air intake structure near air jet hole.
The utility model further improves and is; the spark plug that spark plug mount pad comprises one end open is ignited seat and arrange the spark plug protection tube that spark plug ignites on an other end; the ignite center of an other end of spark plug offers spark plug mounting hole, and spark plug is arranged on spark plug mounting hole place by spark plug protection tube.
The utility model further improves and is, combustion chamber charge structure is Cylindrical housing structure, arranges air admission hole, the layout and air admission hole position is centrosymmetric at its 95 degree to offering between 150 degree and 275 degree to 330 degree more.
The utility model further improves and is, the inlet end of each fuel preheater and outlet side are respectively in spirogyrate and concave shaped, and fuel inlet pipe and fuel outlet are all connected with the inlet end of fuel preheater and outlet side respectively after 90 degree turnings.
The utility model further improves and is, some fuel nozzles are arranged on location interval independent constant volume combustion chamber that the position of each fuel preheater and spark plug mount pad are arranged on each fuel preheater.
Relative to prior art, the utility model has following beneficial effect:
Pressurized combustion room is held in the one rotations that the utility model provides etc., combustion chamber dividing plate is adopted combustion chamber to be evenly divided into multiple independent and rotatable constant volume combustion chamber, combustion chamber continuous gas entry and exhaust can be realized, improve combustion chamber charge and exhaust efficiency, add chamber fuel and air filling speed; Compared with piston type constant volume combustion chamber, there is not any piston compression structure in the utility model, and dischargeable capacity rate, close to 100%, improves the space availability ratio of combustion chamber; This exterior combustion chamber is because avoiding the friction between piston and chamber wall, and mechanical friction loss reduces, and can promote the heat utilization rate of chamber fuel.
Further, because several independent constant volume combustion chambers exist certain pressure reduction each other, for preventing the mutual interference of combustion gas between combustion chamber, sealing comb toothing is provided with in the both sides of each combustion chamber dividing plate, multiple sudden contraction and sudden expansion space is there is between sealing comb toothing and combustor outer casing, add the resistance of air current flow between adjacent combustion chamber, there is the combustion gas crossfire effect stoped between each independent constant volume combustion chamber.
Further, by arranging air disturbance orifice plate inside the cylinder blanket of fuel nozzle, and then air turbulivity after air disturbance orifice plate obviously being increased, the blending speed of air and fuel can be improved, shorten premix distance.
Further, air intake structure is provided with air filter plate in the inner side near its openend, this air filter plate offers some manholes, incoming air is had to the effect of Chalk-dust filtering and steady air flow.
Further, because air-flow enters combustion chamber from the air jet hole of radial direction in air intake structure domestic demand after axially changing 90 degree, for reducing the flow losses of incoming air in air intake structure, in air intake structure, be designed with three row's arc air baffles.The bootable incoming air of air baffle, slowly from axially changing radial direction into, greatly reduces the flow losses that incoming flow working medium causes because producing flow separation, whirlpool etc. when direction changes excessive.
Further, consider that isochoric combustion has from pressurization, after burning, gaseous-pressure and temperature all can significantly rise.To there is the problem of gas reflux combustion chamber charge structure in order to solve constant volume combustion chamber because gaseous-pressure is too high, special air admission hole position being located at 95 degree between 150 degree and 275 degree to 330 degree, stagger with upright position (90 degree and 270 degree).Inside the dividing plate of such combustion chamber when rotating to 90 degree or 270 degree, already space is formed outside the dividing plate of combustion chamber and between combustor outer casing, and this space increases along with the anglec of rotation and becomes large gradually, after burning, combustion gas is first by carrying out combustion chamber filling again after this gap expansion step-down, can guarantee the continuous filling of combustion chamber fresh air.
In sum, it is simple that pressurized combustion cell structure is held in the rotations adopted in the utility model etc., there is multiple independent constant volume combustion chamber, air and fuel uninterruptedly can be sent into combustion chamber by air intake structure, high-temperature high-pressure fuel gas after each independent constant volume combustion chamber burning of the sustainable discharge of exhaust structure, realize combustion chamber continuous gas entry and exhaust, improve combustion chamber charge and exhaust efficiency, add the filling speed of chamber fuel and air simultaneously; The rotations adopted in the utility model etc. hold pressurized combustion room without piston compression structure, and there is not upper and lower stop, dischargeable capacity can be equal with combustion chamber volume, improves the space availability ratio of combustion chamber; Combustion chamber is because avoiding the friction between piston and chamber wall simultaneously, and mechanical friction loss reduces, and can promote the heat utilization rate of chamber fuel.
Accompanying drawing illustrates:
Fig. 1 is the overall pie graph that pressurized combustion room is held in the utility model rotation etc.;
Fig. 2 is that the rotation shown in Fig. 1 etc. holds the A-A of pressurized combustion room to sectional view;
Fig. 3 is the normal axomometric drawing that pressurized combustion room is held in the rotation shown in Fig. 1 etc.;
Fig. 4 a is the constant volume combustion chamber front view that pressurized combustion room is held in the rotation shown in Fig. 1 etc., and Fig. 4 b is that the A-A of Fig. 4 a is to sectional view;
Fig. 5 a is the constant volume combustion chamber top view that pressurized combustion room is held in the rotation shown in Fig. 1 etc., and Fig. 5 b is that the A-A of Fig. 5 a is to sectional view;
Fig. 6 is the normal axomometric drawing of the constant volume combustion chamber main body of the constant volume combustion chamber shown in Fig. 4 a;
Fig. 7 a is the fuel nozzle side view that pressurized combustion room is held in the rotation shown in Fig. 1 etc., and Fig. 7 b is that the A-A of Fig. 7 a is to sectional view;
Fig. 8 a is the air intake structure side view that pressurized combustion room is held in the rotation shown in Fig. 1 etc., and Fig. 8 b is that the A-A of Fig. 8 a is to sectional view;
Fig. 9 a is the spark plug mount pad front view that pressurized combustion room is held in the rotation shown in Fig. 1 etc., and Fig. 9 b is that the A-A of Fig. 9 a is to sectional view.
In figure: 1, constant volume combustion chamber; 2, fuel inlet pipe; 3, fuel outlet; 4, fuel nozzle; 5, spark plug mount pad; 6, air intake structure; 7, spark plug; 8, constant volume combustion chamber main body; 9, fuel preheater; 10, combustion chamber charge structure; 11, combustor outer casing; 12, exhaust combustion chamber structure; 13, combustion chamber inner chamber support; 14, combustion chamber dividing plate; 15, comb toothing is sealed; 16, rotating shaft; 17, combustion chamber inner chamber rotating disc; 18, cylinder blanket; 19, air disturbance orifice plate; 20, cylindrical inner casing; 21, fuel orifice; 22, air disturbance hole; 23, premixed fuel spray-hole; 24, cylindrical housings; 25, air filter plate; 26, air baffle; 27, air jet hole; 28, spark plug protection tube; 29, spark plug mounting hole; 30, spark plug is ignited seat.
Detailed description of the invention:
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Refer to shown in Fig. 1 to Fig. 3, the utility model one rotates to wait holds pressurized combustion room, comprises constant volume combustion chamber 1, fuel inlet pipe 2, fuel outlet 3, fuel nozzle 4, spark plug mount pad 5, air intake structure 6 and spark plug 7.
Refer to shown in Fig. 4 a to Fig. 5 b, constant volume combustion chamber 1 adopts centrosymmetric structure, comprise the cylindrical combustion chamber shell 11 with hollow cavity, combustor outer casing 11 circumference is in 180 degree of angles being provided with and the square-tube-shaped exhaust combustion chamber structure 12 that be communicated with tangent with combustor outer casing 11, the center of combustor outer casing 11 cavity is provided with combustion chamber charge structure 10, the circumference of combustion chamber charge structure 10 is set with constant volume combustion chamber main body 8, combustion chamber charge structure 10 inside is provided with air intake structure 6, this air intake structure 6 is connected with the cavity formed between combustor outer casing 11 and combustion chamber charge structure 10, two sides of combustor outer casing 11 are symmetrically arranged with four fuel preheaters 9.Considering that the independent isochoric combustion room temperature of just filling at expanded exhaust and fresh air is lower, staggers in the position of fuel preheater 9 and exhaust combustion chamber structure 12 by Gu Te.Cold conditions fuel enters fuel preheating room through fuel inlet pipe 2 from fuel preheater 9 inlet end, after burning or burning, also the independent constant volume combustion chamber wall surface temperature of non-expanded exhaust is very high for cause, therefore cold conditions fuel temperature when flowing through fuel preheater 9 raises gradually, and finally flow out from fuel outlet 3.Fuel preheater 9, except the effect had chamber fuel heating, also can cool constant volume combustion chamber 1 in real time.
Each fuel preheater 9 all ringwise, and the relative along clockwise direction two ends of fuel preheater 9 are respectively inlet end and outlet side, the inlet end of each fuel preheater 9 is provided with a fuel inlet pipe 2, outlet side is provided with a fuel outlet 3, each fuel preheater 9 is provided with the some fuel nozzles 4 and spark plug mount pad 5 that are communicated with combustor outer casing 11 on the side of fuel preheater 9 inlet end, and spark plug 7 is arranged on spark plug mount pad 5; Preferably, some fuel nozzles 4 are arranged on location interval independent constant volume combustion chamber that the position of each fuel preheater 9 and spark plug mount pad 5 are arranged on each fuel preheater 9.
Refer to shown in Fig. 6, constant volume combustion chamber main body 8 comprises rotating shaft 16, one end of this rotating shaft 16 is provided with combustion chamber inner chamber rotating disc 17, the circumference of combustion chamber inner chamber rotating disc 17 is evenly provided with some combustion chambers dividing plate 14 by combustion chamber inner chamber support 13, some combustion chambers dividing plate 14 is for being equidistantly divided into several independent constant volume combustion chambers by the cavity formed between combustor outer casing 11 and combustion chamber charge structure 10, the other end of rotating shaft 16 extend out on combustor outer casing 11 relative to being provided with outside a side of air intake structure 6, rotating shaft 16 can make several constant volume combustion chambers with certain angular speed by counter clockwise direction uniform rotation.Preferably, constant volume combustion chamber main body 8 also comprises the sealing comb toothing 15 being arranged on dividing plate 14 both sides, each combustion chamber.
Refer to shown in Fig. 7 a and Fig. 7 b, fuel nozzle 4 comprises the cylinder blanket 18 of one end open, cylinder blanket 18 is relative to one end of its openend offering some premixed fuel spray-holes 23, be provided with in cylinder blanket 18 with its concentric and the cylindrical inner casing 20 of one end open, the openend of cylindrical inner casing 20 and the openend of cylinder blanket 18 are arranged in the same way, the circumference of cylindrical inner casing 20 offers some fuel orifices 21, be connected by some air disturbance orifice plates 19 be arranged in parallel between the outer wall of cylindrical inner casing 20 and the inwall of cylinder blanket 18, each air disturbance orifice plate 19 all offers air disturbance hole 22.Air enters nozzle through the circular passage between cylinder blanket 18 and cylindrical inner casing 20, and the inner passage that fuel is formed by cylindrical inner casing 20 enters.Air disturbance orifice plate 19 is arranged in the circular passage of cylinder blanket 18 and cylindrical inner casing 20 formation, and outer annular stream is divided into three pre-mixing zone, air carries out blending with the fuel sprayed by inner fuel spray-hole 21 respectively in three pre-mixing zone.Air turbulivity after air disturbance orifice plate 19 obviously increases, and can improve the blending speed of air and fuel, shortens premix distance.Working medium that mixing after premix is flammable finally sprays into each independent constant volume combustion chamber through premixed fuel spray-hole 23.
Refer to shown in Fig. 8 a and Fig. 8 b, air intake structure 6 comprises the cylindrical housings 24 of one end open, and the circumference of air intake structure 6 other end offers some air jet holes 27.Preferably, air intake structure 6 is provided with air filter plate 25 in the inner side near its openend, this air filter plate 25 offers some manholes, incoming air is had to the effect of Chalk-dust filtering and steady air flow.In addition, because air-flow enters combustion chamber from the air jet hole 27 of radial direction in air intake structure 6 domestic demand after axially changing 90 degree, for reducing the flow losses of incoming air in air intake structure 6, in air intake structure 6, three row's arc air baffles 26 are designed with.The bootable incoming air of air baffle 26, slowly from axially changing radial direction into, greatly reduces the flow losses that incoming flow working medium causes because producing flow separation, whirlpool etc. when direction changes excessive.
Refer to shown in Fig. 9 a and Fig. 9 b; the spark plug that spark plug mount pad 5 comprises one end open is ignited seat 30 and arrange the spark plug protection tube 28 that spark plug ignites on seat 30 other end; the ignite center of seat 30 other end of spark plug offers spark plug mounting hole 29, and spark plug 7 is arranged on spark plug mounting hole 29 place by spark plug protection tube 28.When each independent constant volume combustion chamber carries out fresh air and filling fuels, easily in seat 30 ignited by spark plug, form local return district, in recirculating zone, air velocity is lower, and turbulivity is large, can improve the success rate of igniting, reduces ignition energy.The fuel that during work, the first light up plug of spark plug is ignited in seat 30, and then the fuel of independent isochoric combustion indoor of being ignited by the high-temperature fuel gas of igniting in seat 30, can guarantee the safe and reliable igniting of constant volume combustion chamber.
Consider that isochoric combustion has from pressurization, after burning, gaseous-pressure and temperature all can significantly rise.To there is the problem of gas reflux combustion chamber charge structure 10 in order to solve constant volume combustion chamber because gaseous-pressure is too high, special air admission hole position being located at 95 degree between 150 degree and 275 degree to 330 degree, stagger with upright position (90 degree and 270 degree).Inside such combustion chamber dividing plate 14 when rotating to 90 degree or 270 degree, already space is formed outside combustion chamber dividing plate 14 and between combustor outer casing 11, and this space increases along with the anglec of rotation and becomes large gradually, after burning, combustion gas is first by carrying out combustion chamber filling again after this gap expansion step-down, can guarantee the continuous filling of combustion chamber fresh air.In addition, because several independent constant volume combustion chambers exist certain pressure reduction each other, for preventing the mutual interference of combustion gas between combustion chamber, in Combustion chamber design, have employed sealing comb toothing 15.There is multiple sudden contraction and sudden expansion space between sealing comb toothing 15 and combustor outer casing 11, add the resistance of air current flow between adjacent combustion chamber, there is the combustion gas crossfire effect stoped between each independent constant volume combustion chamber.
Embodiment:
In the present embodiment, combustor outer casing 11 intracavity diameter is 250mm, wall thickness 4mm; The square-tube-shaped exhaust combustion chamber structure 12 inner chamber long 87mm tangent with combustor outer casing 11, wide 44mm, wall thickness 4mm; Annular fuel preheater 9 is arranged in combustor outer casing 11 both sides, and inner arc side radius is 50mm, and outer arc side radius is 128mm, wide 30mm, and the inlet end of fuel preheater 9 and outlet side are designed to spirogyrate and concave shaped respectively; The internal diameter of fuel inlet pipe 2 and fuel outlet 3 is 26mm, and for preventing cartridge from intersecting, fuel inlet pipe 2 and fuel outlet 3 are connected with the inlet end of fuel preheater 9 and outlet side after all turning through 90 degree respectively; Multiple fuel nozzle 4 vertically stretches into combustion chamber from the inlet end of fuel preheater 9, its hemispherical sphere is concordant with combustor outer casing 11, cylinder blanket 18 internal diameter is 18mm, cylindrical inner casing 20 external diameter is 8mm, and the aperture of fuel orifice 21, air disturbance hole 22 and premixed fuel spray-hole 23 is respectively 1mm, 2mm, 3mm.Spark plug mount pad 5 is 150 degree and-30 degree positions through entering combustion chamber after fuel preheater 9, and align with combustor outer casing 11 in its spark plug bottom surface of igniting, spark plug protection tube 28 internal diameter 18mm, high 35mm, and spark plug is ignited seat 30 internal diameter 42mm, high 16mm; Be 88mm with the internal diameter of the vertical combustion chamber charge structure 10 be connected of combustor outer casing 11, wide 44mm is the air admission hole of 3mm at its 95 degree to offering 8 round footpaths between 150 degree and 275 degree to 330 degree respectively; Constant volume combustion chamber main body 8 is directly sleeved in combustion chamber charge structure 10, ten combustion chamber dividing plates 14 are angularly arranged in circumference, the internal diameter of combustion chamber dividing plate 14 is 94mm, external diameter is 250mm, the diameter of combustion chamber inner chamber rotating disc 17 is 100mm, thick 4mm, the diameter of rotating shaft 16 is 40mm, long 55mm; Air intake structure 6 and combustion chamber charge structure 10 are in coaxially arranged, the internal diameter of its cylindrical housings 24 is 82mm, long 110mm, aperture is had to be the air admission hole of 3mm in the Position Design corresponding with combustion chamber charge structure 10, regulate the relative position between air intake structure 6 and combustion chamber charge structure 10 air admission hole can change the size of combustion air flow in real time, and then meet different load, different operating mode lower combustion chamber to the requirement of flow; Offer the Position Design of air admission hole three at air intake structure 6 and arrange axially symmetrical air baffle 26, air filter plate 25 is positioned at the head of air intake structure 6, and the air filtration aperture that it is offered is 1mm.
In order to further understand the utility model, now following explanation is done to its course of work:
During combustion chamber operational, first compressed air enter air intake structure 6 through air filter plate 25, and the molecule in compressed air is by air filter plate 25 filtering; After clean, air enters the independent constant volume combustion chamber being in filling position again through air baffle 26, air jet hole 27 and combustion chamber charge structure 10, ten independent constant volume combustion chambers are driven by rotating shaft 16 and combustion chamber inner chamber rotating disc 17, with the clockwise uniform rotation of certain angular speed; Fuel premix air enters fuel nozzle 4 through the circular passage between cylinder blanket 18 and cylindrical inner casing 20, fuel enters premixer by fuel orifice 21 after cylindrical inner casing 20, carry out blending with the fuel premix air after upsetting through air disturbance orifice plate 19, eventually through premixed fuel spray-hole 23, spray into fresh air fills complete independent constant volume combustion chamber to the flammable working medium after premix at a high speed; The independent constant volume combustion chamber of having filled fresh air and fuel continues to rotate, premixed fuel and the further blending of fresh air in rotary course, when independent constant volume combustion chamber rotates to spark plug mount pad 5, ignition system controls spark plug 7 and lights a fire, the local burnup that the first light up plug of spark plug 7 is ignited in seat 30, then the fuel of the flame ignition independence isochoric combustion indoor in seat 30 of igniting with spark plug; The fuel of independent isochoric combustion indoor all burnt gradually in rotary course, whole combustion process constancy of volume, pressure raises, when independent constant volume combustion chamber rotates to 90 degree or 270 degree, expand gradually and enter exhaust combustion chamber structure 12 in the space of the high-temperature high-pressure fuel gas after its internal-combustion through being formed between combustion chamber dividing plate 14 and combustor outer casing 11; When independent constant volume combustion chamber rotates to 95 degree or 275 degree, once more enter fresh air occupied state, ten independent constant volume combustion chambers filled so repeatedly, burn, expanded exhaust work.
Claims (10)
1. a rotation waits and holds pressurized combustion room, it is characterized in that, comprise constant volume combustion chamber (1), fuel inlet pipe (2), fuel outlet (3), fuel nozzle (4), spark plug mount pad (5), air intake structure (6) and spark plug (7); Wherein,
Constant volume combustion chamber (1) adopts centrosymmetric structure, comprise the cylindrical combustion chamber shell (11) with hollow cavity, combustor outer casing (11) circumference is in 180 degree of angles being provided with and the square-tube-shaped exhaust combustion chamber structure (12) that be communicated with tangent with combustor outer casing (11), the center of combustor outer casing (11) cavity is provided with combustion chamber charge structure (10), the circumference of combustion chamber charge structure (10) is set with constant volume combustion chamber main body (8), combustion chamber charge structure (10) inside is provided with air intake structure (6), this air intake structure (6) is connected with the cavity formed between combustor outer casing (11) and combustion chamber charge structure (10), two sides of combustor outer casing (11) are symmetrically arranged with four fuel preheaters (9),
Each fuel preheater (9) all ringwise, and the relative along clockwise direction two ends of fuel preheater (9) are respectively inlet end and outlet side, the inlet end of each fuel preheater (9) is provided with a fuel inlet pipe (2), outlet side is provided with a fuel outlet (3), each fuel preheater (9) is provided with the some fuel nozzles (4) and spark plug mount pad (5) that are communicated with combustor outer casing (11) on the side of fuel preheater (9) inlet end, spark plug (7) is arranged on spark plug mount pad (5),
Constant volume combustion chamber main body (8) comprises rotating shaft (16), one end of this rotating shaft (16) is provided with combustion chamber inner chamber rotating disc (17), the circumference of combustion chamber inner chamber rotating disc (17) is evenly provided with some combustion chambers dividing plate (14) by combustion chamber inner chamber support (13), some combustion chambers dividing plate (14) are for being equidistantly divided into several independent constant volume combustion chambers by the cavity formed between combustor outer casing (11) and combustion chamber charge structure (10), the other end of rotating shaft (16) extend out on combustor outer casing (11) relative to being provided with outside a side of air intake structure (6).
2. one according to claim 1 rotates to wait and holds pressurized combustion room, and it is characterized in that, constant volume combustion chamber main body (8) also comprises the sealing comb toothing (15) being arranged on dividing plate (14) both sides, each combustion chamber.
3. one according to claim 1 rotates to wait and holds pressurized combustion room, it is characterized in that, fuel nozzle (4) comprises the cylinder blanket (18) of one end open, cylinder blanket (18) is relative to one end of its openend offering some premixed fuel spray-holes (23), be provided with in cylinder blanket (18) with its concentric and the cylindrical inner casing (20) of one end open, the openend of cylindrical inner casing (20) and the openend of cylinder blanket (18) are arranged in the same way, the circumference of cylindrical inner casing (20) offers some fuel orifices (21), be connected by some air disturbance orifice plates (19) be arranged in parallel between the outer wall of cylindrical inner casing (20) and the inwall of cylinder blanket (18), each air disturbance orifice plate (19) all offers air disturbance hole (22).
4. one according to claim 1 rotates to wait and holds pressurized combustion room, it is characterized in that, air intake structure (6) comprises the cylindrical housings (24) of one end open, the circumference of air intake structure (6) other end offers some air jet holes (27).
5. one according to claim 4 rotates to wait and holds pressurized combustion room, it is characterized in that, air intake structure (6) is provided with air filter plate (25) in the inner side near its openend, and (25) offer some manholes to this air filter plate.
6. one according to claim 4 rotates to wait and holds pressurized combustion room, it is characterized in that, be also provided with the axially symmetrical arc air baffle (26) of three rows in air intake structure (6) inner side near air jet hole (27).
7. one according to claim 1 rotates to wait and holds pressurized combustion room; it is characterized in that; the spark plug that spark plug mount pad (5) comprises one end open is ignited seat (30) and arrange the spark plug protection tube (28) that spark plug ignites on seat (30) other end; the ignite center of seat (30) other end of spark plug offers spark plug mounting hole (29), and spark plug (7) is arranged on spark plug mounting hole (29) place by spark plug protection tube (28).
8. one according to claim 1 rotates to wait and holds pressurized combustion room, it is characterized in that, combustion chamber charge structure (10) is Cylindrical housing structure, arranges air admission hole, the layout and air admission hole position is centrosymmetric at its 95 degree to offering between 150 degree and 275 degree to 330 degree more.
9. one according to claim 1 rotates to wait and holds pressurized combustion room, it is characterized in that, the inlet end of each fuel preheater (9) and outlet side are respectively in spirogyrate and concave shaped, and fuel inlet pipe (2) and fuel outlet (3) are all connected with the inlet end of fuel preheater (9) and outlet side respectively after 90 degree of turnings.
10. one according to claim 1 rotates to wait and holds pressurized combustion room, it is characterized in that, some fuel nozzles (4) are arranged on location interval independent constant volume combustion chamber that the position of each fuel preheater (9) and spark plug mount pad (5) are arranged on each fuel preheater (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520670685.0U CN204901834U (en) | 2015-08-31 | 2015-08-31 | Rotatory constant volume pressure boost combustion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520670685.0U CN204901834U (en) | 2015-08-31 | 2015-08-31 | Rotatory constant volume pressure boost combustion chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204901834U true CN204901834U (en) | 2015-12-23 |
Family
ID=54924006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520670685.0U Expired - Fee Related CN204901834U (en) | 2015-08-31 | 2015-08-31 | Rotatory constant volume pressure boost combustion chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204901834U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066175A (en) * | 2015-08-31 | 2015-11-18 | 华能国际电力股份有限公司 | Rotary constant-volume pressurizing combustion chamber |
| CN106706204A (en) * | 2017-02-20 | 2017-05-24 | 华能国际电力股份有限公司 | Pressure sensor cooling device applicable to high-temperature environment test |
-
2015
- 2015-08-31 CN CN201520670685.0U patent/CN204901834U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066175A (en) * | 2015-08-31 | 2015-11-18 | 华能国际电力股份有限公司 | Rotary constant-volume pressurizing combustion chamber |
| CN106706204A (en) * | 2017-02-20 | 2017-05-24 | 华能国际电力股份有限公司 | Pressure sensor cooling device applicable to high-temperature environment test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104154567B (en) | A kind of rotation detonation combustor | |
| EP0995028B1 (en) | Heat engine combustor | |
| CN204042975U (en) | A kind of rotation detonation combustor | |
| US20140360456A1 (en) | Rotary Internal Combustion Engine With Pilot Subchamber And Ignition Element | |
| US4611655A (en) | Heat exchanger | |
| CN108026833A (en) | Free-piston engine | |
| CN204901834U (en) | Rotatory constant volume pressure boost combustion chamber | |
| CN203335230U (en) | Turbine rotor energy-saving engine | |
| CN103764951B (en) | There is the internal-combustion engine of the rotor that can rotate around its axis | |
| CN110145396A (en) | Concentric circumferences rotor-type internal combustion engine | |
| US4354462A (en) | Internal combustion engine | |
| CN105066175B (en) | Pressurized combustion room is held in a kind of rotation etc. | |
| CN110173343A (en) | A kind of engine ignition room jet stream collision burning system | |
| WO2024037320A1 (en) | Independent gas distribution in-cylinder direct combustion circumferential stroke internal combustion engine and circumferential stroke steam turbine | |
| WO2002041682A2 (en) | Rotor motor and rotor pump | |
| JP2010533259A5 (en) | ||
| CN105065119B (en) | A kind of small size gas turbine based on isochoric combustion | |
| CN101852125A (en) | Hybrid-power engine with square rotor | |
| CN100445529C (en) | Mini-size engine | |
| CN101255817B (en) | Environment protection type internal combustion engine | |
| CN102278198A (en) | Water-oil mixed combustion rotating engine | |
| US1405326A (en) | Rotary engine | |
| CN202055913U (en) | Water-oil combustion type rotary engine | |
| CN204921166U (en) | Small -size gas turbine based on constant volume burning | |
| CN1824930A (en) | Rotary engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20180831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |