CN2349361Y - Gas and steam double-effection turbine engine - Google Patents

Abstract

The utility model relates to a gas and steam double-effect turbine engine. In the utility model, the inner part of a machine body of a gas turbine engine is provided with a steam turbine and provided necessary connecting systems, a speed reduction device and a subsidiary pipe passage switching system forming a prime mover which jointly transports power. The utility model utilizes large amounts of heat energy given off by the gas turbine which is operated and pushes the steam turbine by a heat circulating and switching system, and the utility model causes the residual heat generated by the gas turbine to be fully utilized, reduces waste gas pollution and is favorable to environmental protection. The speed reduction device of the utility model can cause the two machines to be exactly combined, and the two machines can reach running and output in the same direction by the differential speed of the speed reduction device under the condition of the two machines have different speed.

Description

Combustion and steam is also imitated turbine engine

The utility model relates to prime mover that a kind of gas turbine and steam turbine are combined as a whole, and belongs to combined power plants.

As everyone knows, current various gas turbine engine are to be power resources with fuel (highly volatile product etc.), be characterized in the indoor gas that mixes, burns, expands with fuel oil of air burning with high speed ejection machine outside, form thrust; Part expanding gas then drives turbine rotation and transmission compressor, the effect of compressor is to increase pressure and the temperature that enters air in the motor, to help combustion process, but the high temperature that is produced but is not utilized, and still need to cool off, make unit be damaged (fusing) to prevent Yin Gaowen pressurized air.And four elementary processes of steam turbine, bear by various assemblies such as boiler, turbine, coagulators, the operation fluid of steam turbine is " water ", will change into gaseous state in the three-state as " water " of operation fluid in the turbine with thermal source, thereby must adopt outer burning mode.Therefore, with regard to machine power, our employed prime mover now, no matter be the piston engines of combustion gas or steam, or the turbine engine of combustion gas or steam, all there is a large amount of waste heats to be abandoned mistake, and the facility complex structure, cost is improved, the maintenance trouble.

The purpose of this utility model is: a kind of combustion and steam is provided and imitates turbine engine, make it can effectively utilize combustion gas, steam is abandoned the heat energy of mistake, under the situation that does not influence the gas turbine engine original function, do not re-use other additional fuel, and can promote combustion and steam and imitate turbine engine, form the gas turbine prime mover of outputting power that combines with steam turbine, and reduce the waste gas public hazards that original gas turbine engine produces, reduce pollution.

The purpose of this utility model is achieved in that at a kind of combustion and steam and imitates in the turbine engine, in the body of gas turbine, installs the steam turbine that a capacity size and gas turbine match, and is prime mover of common output power.Steam turbine be device after the firing chamber is improved slightly, the portion edge is in the space on central shaft limit within it.Also must having can differential turn round in the same way connects the structure of output, and various heat exchanger assembly system.The heat-exchange system of this pipeline must include a pure water cabinet and condensation degassing cabinet, has an overheated zone temperature controlling instrument and condensation temperature controlling instrument and three pressure release valves at least.Two valves are connected with the pure water cabinet to have a manifold also to install wherein after going out water pump.Two-way advanced to the overheated zone before and after water main was divided at last, mixed at last and formed superheated vapor and rotate steam turbine.

Owing to adopt technique scheme, vacate segment space at the core position of gas turbine inside, in order to installing a steam turbine, and necessary linked system and speed reducer and attached pipeline exchange system are housed.When turning round, discharge a large amount of heat energy, and then promote the thermal cycle exchange system at gas nozzle and cold air nozzle by gas turbine, and the steam turbine in the middle of promoting thus, produce power output.Thereby when driving gas turbine, also drive steam turbine indirectly, additionally do not increasing fuel consumption, and do not influence under the function of former gas turbine and obtain an extra energy output, energy is made full use of.

The utility model is based on gas turbine, at its core steam turbine of packing into, with the operation fluid of pure water as steam turbine, the heat that is distributed when utilizing firing chamber in the gas turbine engine, gas nozzle work done, making the pure water explosive evaporation of heating is steam, imports in the steam turbine and promotes steam turbine.Utilize the waste gas that uses steam later, lead again toward air-breathing heat radiation guide card, be condensed into liquid state, the waste heat that gas turbine engine is produced is fully exploited, under identical cost, obtain better efficiency of heat engine, and reduced the waste gas public hazards that original gas turbine engine produced, and reduce and pollute, help environmental protection.

The utlity model has necessary linked system and speed reducer, two machines are accurately combined, under the different situation of its speed, reach running output in the same way with its differential.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the outward appearance and the main system line figure of the utility model device

Fig. 2 is the hot exchange distribution map of the utility model device

Fig. 3 is the sectional view of the utility model device

Fig. 4 be among Fig. 3 compressed air outlet conduit 34 to the plan view of the structure between the hot gas air-guide piece 63

Fig. 5 is air-breathing heat radiation guide card structural drawing

Fig. 6 is the water system circular chart

Fig. 7 is the connection diagram of steam turbine

Fig. 8 is a hot gas guide card seat front view

Fig. 9 is the plan view of hot gas guide card seat, firing chamber and support

Figure 10 a is the logical steam modular schematic representation (having the module lower cover) of air-guide piece hollow

Figure 10 b is the logical steam modular schematic representation (ventilation chamber with module loam cake) of air-guide piece hollow

Figure 11 is the thin portion stereogram that the exhaust box pipe is connected with steam turbine

Figure 12 is the stereogram of steam turbine

Now that each description of reference numerals among the utility model embodiment is as follows:

In outward appearance of the present utility model shown in Figure 1 and main system line figure, 11 is the condensing temperature instrument, and 12 is motor and gear-box, 13 is battery, and 14 are condensation degassing cabinet, and 15 for being located at the pressure pump group below the body, 16 is machine oil cooler, and 17 is instrument panel, control panel, 18 are carbonated drink separation back-water valve (BWV), and 19 is sump, and 20 is water pipe, steam tube, heat-exchange tube, 23 is fuel pipe and filter, 24 is thermal insulating material, 25 is the pure water cabinet, and 26 is temperature and throttle pressure Proportional valve, and 33 are degassing air outlet, 84 is the steam blow-off line, 89 is the vapor (steam) temperature instrument, the pressure instrument, and 90 is temperature, vapor pressure, loop automatic control units such as hydraulic pressure.

In the utility model device sectional view shown in Figure 3,0 is main shaft, 01 is radial bearing, 02 is thrust bearing, 03 is the lock bolt combination, 04 is tooth croze and key, 05 is spindle transmission gear, 06 is accessory shafts and driving gear, 07 is clutch and gearbox, and 08 is starting motor, and 09 is air-breathing heat radiation guide card, stram condenser, also be support, 10 is the casing outer cover, and 21 are the moving wing, 22 for deciding the wing, 28 is the back poppet of compressing section, the pipeline duct, and 31 is the moving wing wheel dish combination of compressor, be fixed on the main shaft, 34 is the compressed air outlet conduit, is formed by the steam turbine outer casing stand, and 40 is the firing chamber, 41 is the firing chamber outer cover, 42 oil nozzles for the porous atomizing, 43 is the flame maintainance block, 44 is the high-voltage electrical apparatus firing welding, 45 is combustion chamber frame, 60 is hot gas turbine outer cover, and 61 for the moving wing wheel dish combination of hot gas turbine, is fixed on the main shaft, 63 is the hot gas air-guide piece of steamturbine section, 80 is the sleeve of steam turbine, and 81 is the shell of steam turbine, and 82 is steam nozzle, 83 is steam turbine shell fixed bolt, fixing with hot gas air- guide piece 63,85 is the gear on the retarder inner main axis, and 86 is the middle spiral arm gear in the retarder, be fixed on the sleeve of steam turbine, 87 is inscribed gear.

At compressed air outlet conduit 34 shown in Figure 4 to the structural drawing between the combustion gas air-guide piece 63,27 expression air flow line, 35 is the steam turbine outer casing stand and the steam discharge hole of burning zone, and 46 is the confession steam turbine loading and unloading porose area and the high pressure radiating airflow duct of hot gas turbine section.

In air-breathing heat radiation guide card structural drawing shown in Figure 5,8401 is the exhaust box pipe, and 8402 is the outlet pipe fixed ear base, and 0904 is condensation heat exchange fin (lead), and 0905 is joint.

In water system circular chart shown in Figure 6,2001 is that (pressure is 150kg/cm to high-pressure water pump ²), 2002 is safety check, 2003 is the water diversion disk in 10 mouthfuls of branch roads, 2004 for dividing water manifold, have isometric, isometrical 10,2005 is low pressure heat exchange fin, and 2006 is middle pressure heat exchange fin, 2007 is the high pressure superheater pump, 2008 is low pressure steam relief valve, leads to the water inlet of water pump, is positioned at the outside that enters air-guide piece, 2009 is the condensing temperature control valve, and 2010 is the control valve to throttle.

In the connection diagram of steam turbine shown in Figure 7,2011 is overheated water pipe, 4501 is the combustion barrel fixed support, and 4502 is the support lock ring, and 6301 are fixing hex head bolt, 6303 are fixing spiral shell, 6305 is air-guide piece and the lock ring that is connected of steam turbine, and 6306 for connecting the lock spiral shells of lock ring 6305, and 6307 is the clip of steam tube, 8201 is the ventilation bolt (stainless steel) of nozzle, and 8701 is screw.

In hot gas guide card seat figure shown in Figure 8,6302 is fixed-wing, and 6304 is the fixing frame of air-guide piece module.

In hot gas guide card seat, firing chamber and support figure shown in Figure 9,4001 draw the hole for side combustion, and 45 be combustion chamber frame, and 6315 is that combustion barrel contacts the peristoma line, and 4101 is the combustion barrel outer cover.

In the air-guide piece hollow modular figure shown in Figure 10 a and Figure 10 b, 6310 is the ventilation chamber of air-guide piece module loam cake, and 6316 is air-guide piece module lower cover, and 6317 is the module jam plate.

In exhaust box pipe and steam turbine connection diagram shown in Figure 11,8403 is rubber choke cover.

Below that the utility model main structure and groundwork procedure declaration is as follows:

Outward appearance of the present utility model shown in Figure 1, roughly the same with general gas turbine outward appearance, the only other outer cover that increases a little water pipes, water tank and be covered with thermal insulating material.Install the associated steam turbine of a capacity size in gas turbine additional, the stereogram of steam turbine as shown in figure 10.The position of steam turbine is after the firing chamber is improved slightly, and the portion edge (sees also shown in Figure 3) in the space on central shaft limit within it, forms prime mover of common output power.The head of steam turbine must be by the middle spiral arm gear 86 at several diagonal angles in the retarder, make its sleeve that is entrenched in steam turbine 80 heads, and be meshed with a gear 85 on the retarder inner main axis, rotation mutually in last and the inscribed gear 87 that is fixed in the steam turbine shell, with the speed ratio of interactive difference and main shaft 0 in the same way, turn round simultaneously.

Shown in Fig. 3,7,8,9,10, in steam turbine head casing, there are the burning letter fixed support 4501 exterior guiding high pressure draughts of hollow radiation ring-type in the middle of to enter firing chamber 40, the steam steam discharge is then drawn to the preceding condensation of machine in the centre, this support 4501 is fixing with combustion barrel outer cover 4101, afterbody is connected with hot gas air-guide piece 63, but forms the structure of breathing.

The utility model combustion and steam is also imitated turbine engine and is had various heat exchanger assembly system.Its pipeline heat-exchange system must include a pure water cabinet 25 and condensation degassing cabinet 14, has an overheated zone temperature controlling instrument and condensation temperature controlling instrument 11 and three pressure release valves at least.One manifold is arranged after going out water pump, and install wherein that two valves are connected with pure water cabinet 25.Two the tunnel advance to the overheated zone before and after water main is divided at last, mix at last and form superheated vapor and rotate steam turbine (seeing also shown in Figure 1).In this pipeline heat-exchange system, the suction port guide card of heat exchange is a condensing zone, and the suction port guide card is the radiating fin of the tortuous multiaspect of hollow outer.Entering the heat-exchange tube of overheated zone by preceding road, is distinctly to detour to carry out heat exchange in the outside high hot-zone of firing chamber.By the stage casing heating region that the way of escape is carried out, be to decide the fin cooling exchanged form of the wing and heat, to form decide the series and parallel that wing hollow implants little steam tube backflow to carry out the hot gas turbine.The steam of forward and backward mixing must pass the hot gas air-guide piece 63 of hollow at last, and the series connection back is in parallel and form superheated vapor and rezone and supply with several steam nozzles 82 and use earlier with little steam tube, and also be that hot gas air-guide piece 63 cools off.

Water system cyclic process of the present utility model is as follows:

See also shown in Figure 6, liquid pure water is set out by condensation degassing cabinet 14, inject the utility model thermal cycle exchange system through high-pressure water pump 2001 pressurization backs, inject the water diversion disk 2003 in 10 mouthfuls of branch roads respectively and inject low pressure heat exchange fin 2005 through safety check 2002 backs, around to high pressure superheater pump 2007, low temperature steam relief valve 2008 at last leads again; And originally injected the low pressure heat exchange fin 2005 that is arranged in the rear gas nozzle through another Lu Jingfen water manifolds 2004 of 10 mouthfuls of branch road water diversion disks 2003, and press heat exchange fin 2006 heat temperature raising once more again in the guiding, low temperature steam relief valve 2008 at last also leads; Will unconverted boiling still become the pure water of steam this moment, draws back the pure water system of engine below, passes through safety check 2002 high-pressure water pump 2001 that reinjects, and guides once more and seethe with excitement; There is the steam of the low temperature steam relief valve 2008 hot gas air-guide piece 63 that then leads.

See also this moment shown in Figure 7, after through heating once more of hot gas air-guide piece 63 vapor volume being expand into maximum, injects steam turbines via overheated water pipe 2011, promotes the flabellum in the steam turbine, from steam blow-off line 84 surplus vapour discharged again.

See also again shown in Fig. 5,11, to use steam later to lead toward the air-breathing heat radiation guide card 09 that is placed in engine the place ahead from the exhaust steam pipe fixed ear base 8402 of steam blow-off line 84 through steam discharge case pipe 8401, after the circulation heat radiation through condensation heat exchange fin 0904, separate back-water valve (BWV) 18 via carbonated drink and regulate control, only allow to pass through transferring liquid pure water behind the vapor condensation to, lead back at last condensation degassing cabinet 14, finish whole water system circulation.

The utility model adopts the combined techniques of four macrostructures, can unload fast and close.The steam turbine head end earlier with the screw locking plate inside and outside locking of axle and shell and then whole loading and unloading, and lubricating methods such as centre bearing are to adopt that the part central shaft is inside and outside does the lubricated and local cooling of oil transportation by symmetrical conduit.Moving wing wheel dish 31,61 seat structures of air compressor and hot gas turbine are to adopt whole integral formation method of bulk-breakings at different levels on body, and after the processing balance, suit is combined into designed mode fast.As for the steam turbine shell is upper fixed at compressed air outlet conduit 34, is connected with hot gas air-guide piece 63 in addition and locatees, and form the structure of allowing breathing.Hot gas air-guide piece 63 is because of being subjected to high heat, thereby with pore-forming in the middle of the titanium steel material or implant little steam tube, series connection earlier is in parallel again, and back subregion is supplied with a plurality of steam nozzles 82 uses, and also as the cooling means of hot gas air-guide piece 63.

At deciding in the wing first order, the second level of hot gas turbine, steam is entered reflux and cool off, the moving wing then flows into the back favorable current with high-pressure air and goes out to be cooled off, and last and exhaust heat is reclaimed by the afterbody heat-exchange tube in the lump.

Program, the control mode (seeing also shown in Figure 1) of the utility model running are after starting, are supplied water at certain water level by condensation degassing cabinet 14 earlier.If the water level deficiency is then by regulating and control the water yield by the manifold pressure release valve again after pure water cabinet 25 amount of makeup water.Pressure release valve temperature in the backheat district is all disengaged with interior meeting at 0 ℃～180 ℃ and is not entered nozzle, gradually be closed to the full dose steam supply more than 180 ℃, on two manifolds of pure water cabinet release of pressure, the former is set by 11 condensations of condensing temperature instrument and supplies water, the latter is supplied water by throttle depth ratio release of pressure, if when surpassing the load value of various settings, then by the urgent air cooling switching controls unit's do deceleration or the preparation of stopping.After everything is ready,, enter the overheated zone at last, and directly enter steam turbine nozzle work done running, because of being that complete machine turns round simultaneously, so be not prone to the steam hammer phenomenon when the water route enters heat exchange unit separately by forward and backward branch two tunnel.Air-breathing guide card (consulting Fig. 1) was exchanged into a circulation do condensation before last steam discharge drained into machine by middle district support (consulting Fig. 4) steam blow-off line 84, steam discharge hole 35.It more than is the control mode of complete machine running vapour and water.

Present embodiment is designed to 10 zone of combustion, condensing zone and manifold, 10 mouthfuls of steam nozzles, 10 groups of heat-exchange tubes, to reach on average heat exchange method rapidly, and be 1/3rd discharge value of the way of escape by the discharge value of the carbonated drink pipe on preceding road, with reach anterior compressor in the middle of the cooling and the waste heat total number recovering effect at rear portion, heat is contained fully in the occasion of work done, reduce work done as far as possible under the heat radiation, but owing to increase steam turbine, comprise pipeline etc., can gain in weight, thereby consumed power, so adopt powerful condensation impulsion of low pressure and the hybrid-type steam turbine of reaction as key points in design, thereby be controlled at the minimal pressure and the temperature of the discharge of steam of allowing, make steam turbine and tube wall etc. can alleviate its thickness weight and increase the Security of system.

Hot exchange distribution map of the present utility model as shown in Figure 2.

Each parameter value of the utility model relatively sees also following table:

The air input	Delivery temperature	The combustion barrel temperature	The throttle water output	Condensing temperature	The gas engine revolution	The aircraft turbine engine revolution	Steam flow	Vapor (steam) temperature is set
									1	170℃	1600℃	-	95℃	17.000	6.000	1	290℃
80％	160℃	1400℃	0.8	90℃	13.600	4.800	0.8	240℃
									60％	150℃	1200℃	0.6	80℃	10.000	3.600	0.6	200℃
40％	140℃	1000℃	0.4	70℃	7.000	2.400	0.4	180℃

High temperature air guide fin manufactures the method for hollow water flowing vapour and is in the utility model structure:

With stainless steel materials such as titanium alloys, with weldless tube around it with slightly isometric around the wing under, extrusion modling.Add and embed the plate hole upper and lower surface that moulding is arranged behind the heat extrusion compacting, and in addition process, throw flat, boring once more after the solid welding, last and stamping forming up and down skull casing pressure and locking up and down.Each only stays a vapour pipe nipple up and down, puts in the air-guide piece frame in each 1/10th district, to reach logical vapour effect again.

The spiral arm dentition of steam turbine head, because of steam turbine cover shaft head strengthens,, give oil lubrication so connect edge running place embedding drag reduction alloy at itself and casing, and with anti-jointly leak-stopping steam of multiple tracks groove and stopband and machine oil, and groove gives a positive air pressure with a through hole and makes each self-separation of oily vapour therebetween.

Claims (7)

1. a combustion and steam and imitate turbine engine is characterized in that: the steam turbine that device one capacity size and gas turbine match in the body of gas turbine is prime mover of common output power; Steam turbine be device after the firing chamber is improved slightly, the portion edge is in the space on central shaft limit within it; Also must having can differential turn round in the same way connects the structure of output, and various heat exchanger assembly system; The heat-exchange system of this pipeline must include a pure water cabinet (25) and condensation degassing cabinet (14), have an overheated zone temperature controlling instrument and condensation temperature controlling instrument (11) and three pressure release valves at least, two valves are connected with pure water cabinet (25) to have a manifold also to install wherein after going out water pump, two the tunnel advance to the overheated zone before and after water main is divided at last, mix at last and form superheated vapor and rotate steam turbine.

2. combustion and steam according to claim 1 is also imitated turbine engine, it is characterized in that: in steam turbine head casing, have support (4501) the exterior guiding high pressure draught of hollow radiation ring-type in the middle of to enter firing chamber (40), the steam steam discharge is then drawn to the preceding condensation of machine in the centre, this support (4501) and outer cover (4101) are fixing, afterbody and hot gas air-guide piece (63) but be connected to form the structure of breathing.

3. combustion and steam according to claim 1 is also imitated turbine engine, it is characterized in that: the head of steam turbine must be by the spiral arm gear (86) at several diagonal angles, make its sleeve that is entrenched in steam turbine (80) head and be meshed with a gear (85) on the main shaft (0), rotation mutually in the last inscribed gear (87) with in the steam turbine shell, with the speed ratio of interactive difference and main shaft (0) in the same way, turn round simultaneously.

4. combustion and steam according to claim 1 is also imitated turbine engine, it is characterized in that: described pipeline heat-exchange system, and the suction port guide card of its heat exchange is a condensing zone, the suction port guide card is the radiating fin of the tortuous multiaspect of hollow outer.

5. combustion and steam according to claim 1 is also imitated turbine engine, it is characterized in that: in the described pipeline heat-exchange system, entering the heat-exchange tube of overheated zone by preceding road, is distinctly to detour to carry out heat exchange in the outside high hot-zone of firing chamber.

6. combustion and steam according to claim 1 is also imitated turbine engine, it is characterized in that: in the described pipeline heat-exchange system, the stage casing heating region that is undertaken by the way of escape, be to decide the fin cooling exchanged form of the wing and heat, to form decide the series and parallel that wing hollow implants little steam tube backflow to carry out the hot gas turbine.

7. combustion and steam according to claim 1 is also imitated turbine engine, it is characterized in that: in the described pipeline exchange system, the steam of forward and backward mixing must pass the hot gas air-guide piece (63) of hollow at last, forms superheated vapor with the series connection back parallel connection earlier of little steam tube and enters steam nozzle (82) again.

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