CN102278204A - Powdery solid fuel combustion and work application method and device - Google Patents
Powdery solid fuel combustion and work application method and device Download PDFInfo
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- CN102278204A CN102278204A CN2010102052337A CN201010205233A CN102278204A CN 102278204 A CN102278204 A CN 102278204A CN 2010102052337 A CN2010102052337 A CN 2010102052337A CN 201010205233 A CN201010205233 A CN 201010205233A CN 102278204 A CN102278204 A CN 102278204A
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Abstract
The invention discloses a powdery solid fuel combustion and work application method and a powdery solid fuel combustion and work application device. Powdery solid fuel is input into an open cycle gas turbine system for combustion by utilizing an airtight helical feeder, and enters a gas turbine to be expanded and apply work to generate power, wherein the airtight helical feeder is provided with a device which prevents a high-pressure combustion gas from being leaked outwards from a combustor along a rotating shaft of a helical fin in an airtight shell.
Description
Technical field
The present invention relates to the method and the device of solid fuel powder burning, work done, particularly relate to and a kind of solid fuel powders such as plant, coal being utilized in the burner in the airtight screw feeder input open loop formula gas turbine system, rapidly, safety, efficient burning, to produce the method and the device of power.
Background technique
Existing U. S. Patent the 2nd, 601, No. 309 is the method that burning in the burner in the solid coal powder input open loop formula gas turbine system is produced power, be simply described as follows: coal is after grinding screening, powder mixes pusher (Impeller) suction that is assigned with in the device (distributor or title divider) is imported the pusher central authorities of distributor chamber by big conduit (Conduit) vent hole in air, enter the numerous distribution supply tubules of uniform device around distributor chamber through this machine compression again, the little puff prot of another termination of each tubule, its outer all being with is sprayed compressed-air actuated big puff prot, evenly be assemblied in around the burner top too, so mix and evenly to spray into the burner from little puff prot in airborne coal dust, cover big puff prot outside also sprays high-pressure air simultaneously, make coal dust and air surface of contact bigger, it is rapider to burn.At open loop formula gas turbine system, the pressure ratio of compressor is big more, and the pressure of burner is big more, and system effectiveness is just big more.So generally speaking, compressor pressure is than 4 minimums at last.As compressor efficiency is 85%, and air Cp/Cv ratio is 1.4, and the temperature when air enters compressor is made as 25 ℃, and then the air temperature of compressor discharge will be up to 195.35 ℃.Since the compressor pressure ratio is higher than 4 in open loop formula gas turbine system, thus in the above-mentioned DESCRIPTION OF THE PRIOR ART in the distributor pressure ratio 4 of pusher higher, the air that the is produced coal dust of just carrying under one's arms enters burner.So its air temperature also must be higher than more than 195.35 ℃.Look into coal composition complexity, only with regard to coal tar oil (Coal tar Creosote) wherein, promptly contain 300 kinds of compounds, Main Ingredients and Appearance is phenol (Phenol, M.P.43 ℃, 79 ℃ of Flash Point, B.P.182 ℃), creosote oil (Cresol, M.P.31 ℃, 81 ℃ of Flash Point, B.P.191 ℃), polycyclic aromatic hydrocarbon (Polycyclicaromatic hydrocarbons, Flash Point＞55 ℃, B.P.180 ℃ ~ 390 ℃).Equally, the timber composition is also complicated, the also phosphorous methoxyl group phenol of wood tar (Wood Creosote) (Guaiacol, M.P.27.9 ℃, B.P.205 ℃) wherein, creosote oil (Cresol, M.P.31 ℃, Flash Point81 ℃, B.P.191 ℃).Therefore, no matter coal or plant powder, in case the air that rises to more than 195.35 ℃ with above-mentioned pusher compression contacts, material in its coal tar oil or the wood tar, partly can burn, partly partial combustion produces coal smoke (Soot), partly can melt to adhere to inwall or the nozzle that distributes the air feed tubule, very easily causes obstruction.So, desire imports open loop formula gas turbine system burner combustion with above-mentioned prior art with plant powder, coal dust, as the fuel of powered vehicle, steamer or generating, obviously must often remove greasy dirt, coal smoke in the fuel powder distribution tubule, very trouble.
Summary of the invention
The object of the present invention is to provide a kind of utilization to have to prevent high pressure combustion gas by burner along the rotating shaft of the closed housing internal spiral wing airtight screw feeder of leakage device outward, solid fuel powder is imported open loop formula gas turbine system burner, rapidly, safety, stable, efficient burning, to produce the method and the device of power.This airtight screw feeder comprises following three kinds: first kind is to rotate outer magnetite by the driving machine that motor and gear reduction box combine, and rotates interior magnetite and the spiral wing that does not have in the axle packing shrinking away from theshell with its magnetic force, makes it to form airtight screw feeder.When driving machine rotates, fall into the fuel powder of spiral wing by fuel reservoir, promptly be squeezed into rapidly in carrier pipe and the burner.Second kind is closely to be connected with the rotating shaft of spiral wing by the driving machine that motor and gear reduction box combine, and driving machine is installed in the closed housing, the spiral wing is installed in the airtight screw feeder shell, clamp ring shape gasket between closed housing and the airtight screw feeder shell, and closely screw with screw and nut, other is at the power supply place of driving machine shell motor, be provided with and allow electric wire enter, but do not allow the outer device of revealing (as: having consent, power line closely to pass rubber stopper and hollow screw lid on the shell) of combustion gas, make it to form airtight screw feeder.The third is on the airtight screw feeder shell, the rotating shaft of airtight screw feeder is provided with packing case (Stuffing box) with the joint of the driving machine that is combined by motor and gear reduction box, dress gland bedding and padding (Gland Packing) or gland axle envelope (Gland Sealing) in the packing case, and screw with gland cock (Gland Cock), form the axle envelope, make it to form airtight screw feeder.Above-mentioned three kinds of airtight screw feeders all have prevent combustion gas by burner along the screw feeder rotating shaft toward the effect of external leakage, the fuel powder storage tank also is airtight fully in addition, therefore the high pressure combustion gas in the burner can not fled toward carrier pipe, screw feeder, so can not cause and destroy loader by fire with the fuel catalytic combustion.So utilize above-mentioned three kinds any, all in the input burner that fuel powder can be continued fully, it is contacted with the high-pressure air that is entered by compressor, produce high pressure combustion gas through lighting, enter the combustion gas turbine expansion working again, produce the system and the device of power driven compressor, vehicle, steamer or generating etc.In addition, for making the easier starting of said system, safe and effective rate etc., the spy is improved and additional following work procedure and equipment at the potential shortcoming of system: the firstth, add the auxiliary fuel device automatically.Because solid fuel natural combustion temperature (about 540 ℃ of Qinggang wood powder) is high more a lot of than gasoline, after system's ignition start, its air temperature after preheating and compression, must wait for a period of time and just slowly surpass solid fuel natural combustion temperature, system dynamic just can enter full load running when the time comes, so burner installs the auxiliary fuel inlet duct additional, and with conduit with automatically add the inflammable auxiliary fuel device of high pressure and be connected, when diminishing (air temperature that promptly enters burner still is lower than solid fuel natural combustion temperature) in order to the firm starting operation of system or power, can add auxiliary fuel rapidly, make its starting, running can be the same with general-utility car flexible, fast.The secondth, with the mini air compressor of pressure accumulation case.For avoiding high temperature really, high pressure combustion gas is fled toward screw feeder and fuel reservoir, cause destroying by fire the parts accident, thereby add mini air compressor in the system with the pressure accumulation case, between its pressure accumulation case and fuel reservoir top and the screw feeder closed housing, all there is ductule to connect, allow and in the pressure accumulation case, stop temperature for a long time near the high-pressure air of temperature, follow ductule and import fuel reservoir, screw feeder closed housing inside, make its pressure keep a little higher than burner forever, so can thoroughly avoid past screw feeder of combustion gas and fuel reservoir against scurrying, guarantee security of system.Again, this pressure accumulation case holds with the High Temperature High Pressure air has conduit to be communicated with between the bucket, and when system had just started, the high-pressure air in the pressure accumulation case can be directly holds bucket via the High Temperature High Pressure air and changes in the burner combustion-supportingly, makes its starting kinetic force reach fully loaded rapidly.The 3rd is air preheater, is made up of an air preheater, a waste gas filter and a valve.Have an air preheater to be connected with compressor with one first conduit near the combustion gas turbine exhaust pipe, air is preheated after enter compressor by this first conduit; In addition other is connected with second conduit that a waste gas filter and a valve are housed between combustion gas turbine exhaust pipe and this first conduit, when system's entry into service, this compressor promptly aspirates air and a small amount of discharging waste gas through this waste gas filter that has heated through this air preheater, the air of preheating is mixed with small amount of exhaust gas, make the temperature after the compressed machine of this mixing air compresses be easy to surpass fuel powder natural combustion temperature in the burner.The 4th be in the bottom be provided with aperture for the discharging ashes fire-resistant in stove and the fire-resistant cover of porous.The red-hot district of Lower Half combustion flame in burner be provided with L shaped big syphon fire-resistant in stove, the fierce flame of avoiding fuel to be produced under high-temperature air combustion promoter destroys the burner wall by fire.Again, the ashes that dropped by the aperture of stove in fire-resistant can be by the escape cock discharging of burner bottom.In addition, burner inner wall and fire-resistant in be provided with the fire-resistant cover of porous between the stove.The fire-resistant cover of this porous prevents that except having hot water that nozzle sprays or steam from watering the effect of flame-out flame, also has the effect that prevents that fierce flame from destroying the burner wall by fire.The 5th is automatic cooling system, the control system that has a nozzle, a hot water heater (or steam generator), a supply barrel and to be made up of a valve, a flow dontroller, a flow conveyer and a temperature inductor.There is conduit to be communicated with between the supply barrel top of this pressure accumulation case and hot water heater, the high-pressure air that leads to the supply barrel top of hot water heater, then have the nozzle of the interior feedwater of extruding supply barrel, make hot water that the pressure of sprinkling be arranged by hot water heater and burner top; When the burner temperature was too high, the valve that control system promptly will be connected with nozzle was automatically opened more greatly, available its pressure with a large amount of water or steam through nozzle spray in burner, reduce its temperature, with dimension safety; Otherwise, when the burner temperature is too low, then automatically valve is turned down, allow the water of sprinkling or the amount of steam reduce, to increase the burner temperature, make system's outputting power stable.
Specifically, solid fuel powder burning provided by the invention, the device of work done, the storage tank that comprises a contain fuel powder, one airtight screw feeder, one burner, one combustion gas turbine, one compressor, one power advances a connector and a generator, wherein: this storage tank bottom communicates with airtight screw feeder binding, and the airtight screw feeder the other end communicates with the inlet duct of burner, but be provided with a firing tools that is installed in fuel and air inlet pipe place and ignition combustion fuel in burner, link to each other with a conduit between this burner and combustion gas turbine, the combustion gas that burner combustion is caused can enter combustion gas turbine and expand and the rotating shaft of work done rotary turbine machine, and the rotating shaft two ends of this turbo machine link with the rotating shaft of compressor and the rotating shaft of power propelling connector respectively, the rotating shaft the other end that power advances connector then links with the rotating shaft of generator, to form continuous action relation; And this compressor connects and be provided with the 9th conduit that the 6th conduit, three-way pipe and have the air mass flow conveyer to burner, and is combustion-supporting air compression is imported burner; The 9th supravasal air mass flow conveyer links to each other with the ratio setting device of AIR Proportional with a control fuel powder, the ratio setting device links to each other with a fuel-control unit, fuel-control unit and one carries the driving machine of the fuel powder in the storage tank to link to each other, to form circulating burning, the device of work done.
The method of solid fuel powder burning provided by the invention, work done, comprise: utilize an airtight screw feeder pilot fuel powder to enter in the burner and burn, enter a combustion gas turbine expansion working with the combustion gas that produces high pressure, high temperature, and the rotating shaft of rotatable this combustion gas turbine reaches compressor, generator, the power propelling connector that is connected with the rotating shaft of this combustion gas turbine, make compressor can produce and export compressed high-pressure air, this compressed high-pressure air of guiding enters in the burner combustion-supporting again.
Description of drawings
The following drawings only is intended to the present invention done and schematically illustrates and explain, not delimit the scope of the invention.
The method and the schematic representation of apparatus of Fig. 1 airtight screw feeder input open loop formula gas turbine combustor internal combustion, work done for solid fuel powder of the present invention utilizes;
Fig. 2 is for utilizing the schematic representation of first kind of airtight screw feeder input burner according to solid fuel powder of the present invention;
Fig. 3 is for utilizing the schematic representation of second kind of airtight screw feeder input burner according to solid fuel powder of the present invention;
Fig. 4 is for utilizing the schematic representation of the third airtight screw feeder input burner according to solid fuel powder of the present invention;
Fig. 5 is the schematic representation of burner of the present invention.
Description of reference numerals:
1 storage tank, 10 spiral wings
11 air compressors, 12 first valves
12a second valve 13 conduits
14 the 5th conduits, 15 steel drums
16 pressure-regulating valves, 17 valves
18 the 3rd conduit 18a the 9th conduit
19 three-way pipes, 2 lids
20 one-way valves, 21 air hold bucket
22 pressure transmitters, 23 pressure controllers
24 control valves, 25 temperature transmitters
27 flow dontrollers, 28 control valves
29 flow transmitters, 3 motors
3a gear reduction box 30 burners
Stove in 31 firing tools 32
The fire-resistant cover 34 control valves of 33 porous
35 escape cocks, 36 combustion gas turbines
37 compressors, 38 power advance connector
39 generators, 4 outer magnetites
40 exhaust pipes, 41 air preheaters
42 cool air inlets, 43 first conduits
44 the 3rd valves, 45 waste gas filters
46 the 6th conduits, 47 supply barrels
48 spiral covers 49 the 8th conduit
Magnetite in 40a second conduit 5
50 hot water heaters 51 the 7th conduit
52 nozzle 53a temperature inductors
53 temperature transmitters, 54 temperature controllers
55 flow dontrollers 56 the 4th valve
57 flow transmitters, 58 air mass flow conveyers
59 ratio setting device 6 do not have axle packing shrinking away from theshell
60 fuel-control units, 7 screw feeders
9 bearings, 3 ' motor
3a ' gear reduction box 3 " motor
3a " gear reduction box 4 ' rubber stopper
4 " gland cock 5 ' hollow screw lid
5 " packing case 6 ' closed housing
8 ' annular gasket 8 " the gland bedding and padding
Embodiment
In order to allow the present invention's feature and advantage understand by more obvious quilt, preferred embodiment of the present invention cited below particularly, and cooperate appended graphicly, elaborate.See also shown in Figure 1, a kind of solid fuel powder of the present invention utilizes the method and the device of airtight screw feeder input open loop formula gas turbine combustor internal combustion, work done, comprise storage tank 1, one airtight screw feeder 7, a burner 30, a combustion gas turbine 36 and a compressor 37 that a bottom communicates with an airtight screw feeder 7, wherein:
This storage tank 1 is that withstand voltage cell body has can the holding solid fuel powder and make solid fuel powder be fallen into the function of airtight screw feeder 7 by the bottom; Its top is provided with lid 2 and can opens, so that pack fuel powder into; Lid 2 also can be fastened, and does not allow high pressure combustion gas leak thus; Cell body bottom angled or circle are oblique; The cell body top links to each other with a conduit 13, makes the cold high pressure air from conduit 13 can import fuel reservoir 1.
The upper end of this airtight screw feeder 7 communicates with storage tank 1, and its lower end has a carrier pipe 7a to communicate with the inlet duct of burner 30; It has three kinds of embodiments of the following stated: first kind is as shown in Figure 2.This airtight screw feeder 7 is made of motor 3, gear reduction box 3a, outer magnetite 4, interior magnetite 5, a nothing axle packing shrinking away from theshell 6, airtight screw feeder 7 shells, carrier pipe 7a, annular gasket 8, bearing 9 and spiral wing 10.Rotate outer magnetite 4 by motor 3 and the driving machine that gear reduction box 3a combines, the spiral wing 10 so that interior magnetite 5 in its magnetic force rotation nothing axle packing shrinking away from theshell 6 and interior magnetite 5 are combined into one makes it to form airtight screw feeder 7.When driving machine rotates, fall into the fuel powder of spiral wing 10 by fuel reservoir 1, promptly be squeezed into rapidly in carrier pipe 7a and the burner 30.Second kind is as shown in Figure 3.This airtight screw feeder 7 by motor 3 ', gear reduction box 3a ', central authorities be provided with rubber stopper 4 ' that the aperture supply lines passes, in order to rubber stopper 4 ' is fixing and deadend rubber stopper 4 ' aperture and central authorities own are provided with hollow screw lid 5 ', driving machine closed housing 6 ', airtight screw feeder 7 shells, carrier pipe 7a, annular gasket 8 ', bearing 9 and the spiral wing 10 that the aperture supply lines passes and are constituted.Driving machine closely is connected with 10 rotating shafts of spiral wing, and driving machine is installed in the closed housing 6 ', spiral wing 10 is installed in airtight screw feeder 7 shells, clamp ring shape gasket 8 ' between closed housing 6 ' and airtight screw feeder 7 shells, closed housing 6 ' closely screws with screw and nut with airtight screw feeder 7 shells, the power line of motor 3 ' closely passes the aperture of rubber stopper 4 ' and hollow screw lid 5 ' in addition, does not but allow combustion gas to be leaked by aperture, makes it to form airtight screw feeder 7.During the driving machine starting that combines by motor 3 ' and gear reduction box 3a ', fall into the fuel powder of spiral wing 10, promptly be squeezed into rapidly in carrier pipe 7a and the burner 30 by fuel reservoir 1.The third is as shown in Figure 4.This airtight screw feeder 7 is by motor 3 ", gear reduction box 3a ", gland cock 4 ", packing case 5 ", airtight screw feeder 7 shells, carrier pipe 7a, gland bedding and padding 8 ", bearing 9 and spiral wing 10 constitute.The rotating shaft of airtight screw feeder 7 with by motor 3 " with gear reduction box 3a " the joint shell of the driving machine that combines is provided with packing case 5 "; packing case 5 " in dress gland bedding and padding 8 " (or gland axle envelope); and with gland cock 4 " screw, form the axle envelope, make it to form airtight screw feeder 7.
This burner 30 as shown in Figure 5, has some firer's tools 31, a bottom to be provided with aperture for stove 32, the fire-resistant cover 33 of a porous in discharging ashes fire-resistant, (or pin) dynamic formula control valve 34, an escape cock 35, a nozzle 52 and a temperature inductor 53a on the other hand.Firing tools 31 is located at the inlet duct top of fuel, auxiliary fuel and the air of burner 30, fuel, auxiliary fuel in can ignition combustion device 30.Stove 32 L-shaped big syphon shapes in this is fire-resistant are installed on the red-hot district of Lower Half combustion flame in the burner 30, and the fierce flame of avoiding fuel to be produced under high-temperature air combustion promoter destroys the burner wall by fire.The fire-resistant cover 33 of this porous is contained between burner 30 inwalls and the fire-resistant interior stove 32.The fire-resistant cover 33 of this porous prevents that except having hot water that nozzle 52 is sprayed or steam from watering the effect of flame-out flame, also has the effect that prevents that fierce flame from destroying burner 30 walls by fire.Can control the flow that combustion gas enters combustion gas turbine 36 at any time on the conduit that this hand (or pin) dynamic formula control valve 34 is contained between burner 30 and the combustion gas turbine 36, to adjust the power of required expenditure.This escape cock 35 can will be deposited in the overall ash emission of burner 30 bottoms by the aperture discharging of stove 32 in fire-resistant.This nozzle 52 is installed on the wall of burner 30 of the fire-resistant cover of porous 33 tops, and nozzle 52 links to each other with an end of one the 7th conduit 51; The other end of the 7th conduit 51 links to each other with the outlet of a hot water heater 50; The inlet of hot water heater 50 links to each other with a supply barrel 47 with one the 8th conduit 49; Supply barrel 47 tops are provided with spiral cover 48 and can open, so that mend refillable water.Hot water heater 50 is installed near the exhaust pipe 40 of combustion gas turbine 36, the waste gas that is entered in the water of hot water heater 50 and the exhaust pipe 40 by supply barrel 47 carries out heat exchange, is preheated to into hot water or steam after by the 7th conduit 51 to nozzle 52; The 7th conduit 51 is provided with a control system of being made up of one the 4th valve 56, a flow dontroller 55, a temperature controller 54, a flow conveyer 57 and a temperature transmitter 53; The 4th valve 56 links to each other with a flow dontroller 55; Flow dontroller 55 1 ends link to each other with a flow conveyer 57; Flow dontroller 55 the other ends link to each other with a temperature controller 54; Temperature controller 54 the other ends link to each other with a temperature transmitter 53; Temperature transmitter 53 links to each other with a temperature inductor 53a; Temperature inductor 53a is installed on the wall of burner 30, has burner 30 temperature inside of detection and changes this testing result into function that signal reaches temperature transmitter 53.Flow transmitter 57 has the flow of the water that detects the 7th conduit 51 or steam and changes this testing result into function that signal reaches flow dontroller 55.Flow transmitter 57 constitutes minor loop control with flow dontroller 55, with the changes in flow rate of supplementing water or steam; When burner 30 temperature were too high, the 4th valve 56 that control system promptly will be connected with nozzle 52 was automatically opened more greatly, can reduce its temperature, with dimension safety with a large amount of water or steam in nozzle 52 sparges burner 30; Otherwise, when burner 30 temperature are too low, then automatically the 4th valve 56 is turned down, allow the water of sprinkling or the amount of steam reduce, to increase burner 30 temperature, make system's outputting power stable.
Link to each other with a conduit between this combustion gas turbine 36 and the burner 30, so entering combustion gas turbine 36, the combustion gas that burner 30 burnings are caused expands, the rotating shaft of work done rotary turbine machine 36, and the rotating shaft of the rotating shaft of turbo machine 36 and air compressor 37, power advances the rotating shaft of connector 38, the rotating shaft of generator 39 all has binding, make air compressor 37 understand with the rotating shaft rotation of turbo machine 36 pressurized air, generator 39 can rotate with the rotating shaft of turbo machine 36 and generate electricity, and power propelling connector 38 can be with the rotating shaft rotation of turbo machine 36 with this motivational drive vehicle, steamer.
The rotating shaft of the rotating shaft of this compressor 37 and combustion gas turbine 36 links, and compressor 37 communicates with an one-way valve 20 with one the 6th conduit 46, only allows air flow to burner 30 through one-way valve 20.For making the easier starting of said system, the present invention is additional in system to have one to add the auxiliary fuel device automatically.Should add the auxiliary fuel device automatically is made of steel drum 15, a valve 17 and a control valve 28 that links to each other with the auxiliary fuel inlet duct of burner 30 with conduit that is provided with a pressure-regulating valve pressure regulatorl6.Steel drum 15 is that withstand voltage cell body has and can hold explosive fuel such as rock gas etc.; Pressure-regulating valve 16 can reduce the pressure of the explosive fuel of steel drum 15 outflows; With the outflow of control explosive fuel whether valve 17 can be opened or close; Flow control valve 27 links to each other with a flow conveyer 29 with a control valve 28 respectively; Flow dontroller 27 links to each other with a temperature controller 26; Temperature controller 26 links to each other with a temperature transmitter 25; Temperature transmitter 25 links to each other with a temperature inductor 25a; Temperature inductor 25a is fixedly arranged on the High Temperature High Pressure air and holds on the bucket 21, has the High Temperature High Pressure of detection air and holds bucket 21 temperature inside and change this testing result into function that signal reaches temperature transmitter 25.Flow transmitter 29 have detected catheter explosive fuel flow and change this testing result into function that signal reaches flow dontroller 27.Flow transmitter 29 constitutes minor loop control with flow dontroller 27, to replenish the changes in flow rate of explosive fuel; When the firm starting operation of system or power diminish, the interior temperature of bucket that the High Temperature High Pressure air holds bucket 21 is lower than setting temperature (setting temperature is slightly higher than solid fuel powder natural combustion temperature), the temperature signal of temperature inductor 25a promptly reaches temperature transmitter 25, temperature controller 26 and flow dontroller 27 with opening controlling valve door 28, the explosive fuel that flows out from steel drum 15 can enter burner 30 burnings and power can be provided rapidly, makes starting, turning round can be the same with general-utility car flexible, quick.For make said system safer and the starting kinetic force reach full load running rapidly, the present invention is additional in system the mini air compressor 11 with the pressure accumulation case that can supply the cold high pressure air, and this temperature is higher than burner 30 pressure inside near the pressure of temperature high-pressure air.Should there be one first valve, 12, the first valves 12 to communicate with one second valve 12a and one the 3rd conduit 18 respectively with the mini air compressor 11 of pressure accumulation case with a three-way pipe; The 3rd conduit 18 is provided with three-way pipe 19, an one-way valve that communicates with second end of three-way pipe 19 20, the High Temperature High Pressure air that communicates with the 3rd end of three-way pipe 19 that a control valve 24, a pressure controller that links to each other with control valve 24 the other ends 23, a pressure transmitter that links to each other with pressure controller 23 the other ends 22, one first end communicate with the 3rd conduit 18 and holds bucket 21.Pressure transmitter 22 is fixedly arranged on the High Temperature High Pressure air and holds on the bucket 21, has the High Temperature High Pressure of detection air and holds bucket 21 pressure inside and change this testing result into function that signal reaches pressure controller 23.One-way valve 20 communicates with one the 6th conduit 46, has blocking temperature has entered the 6th conduit 46 near the temperature high-pressure air function, makes high-pressure air can enter the High Temperature High Pressure air and holds bucket 21.The 9th conduit 18a that the High Temperature High Pressure air holds between bucket 21 and the burner 30 is provided with an air mass flow conveyer 58; This air mass flow conveyer 58 links to each other with a ratio setting device 59, and ratio setting device 59 links to each other with a fuel-control unit 60; Air mass flow conveyer 58 has the flow of detection the 9th conduit 18a air and changes this testing result into function that signal reaches ratio setting device 59 and fuel-control unit 60.Fuel-control unit 60 links to each other with driving machine, has the function of adjusting the driving machine rotating speed, in order to the speed of fuel metering powder through airtight screw feeder 7 input burners 30.The second valve 12a can open or close, and whether flow to the 4th conduit 13 and the 5th conduit 14 that communicates with the second valve 12a near the temperature high-pressure air with the control temperature; The 4th conduit 13 communicates with airtight screw feeder 7, storage tank 1 respectively with conduit; The 5th conduit 14 communicates with supply barrel 47; So temperature enters airtight screw feeder 7, storage tank 1 near the temperature high-pressure air through the second valve 12a, the 4th conduit 13, make storage tank 1, screw feeder 7 pressure inside keep a little higher than burner 30 forever, can thoroughly avoid combustion gas toward screw feeder 7 and storage tank 1 contrary scurrying, guarantee security of system.Again, temperature is held bucket 21 near the temperature high-pressure air through first valve 12 and the 3rd conduit 18, three-way pipe 19 to high temperature high-pressure air, can make the burner 30 of firm ignition have high-pressure air to enter rapidly, and system dynamic output can enter fully loaded rapidly.For making said system more efficient, the present invention is additional in system to have an air preheater, this air preheater to include air preheater 41, one first conduit 43, one the 3rd valve 44 and a waste gas filter 45 that is provided with a cool air inlet 42.Air preheater 41 is installed near the exhaust pipe 40 of combustion gas turbine 36, air preheater 41 is connected with compressor 37 with one first conduit 43, the air that enters by cool air inlet 42 by air preheater 41 preheatings after enter compressor 37 by this first conduit 43; Be connected with second a conduit 40a that one the 3rd valve 44 and a waste gas filter 45 are housed in addition in 43 in exhaust pipe 40 and this first conduit in addition, when system's entry into service, this compressor 37 rotates with the rotating shaft of turbo machine 36 and aspirates air and a small amount of discharging waste gas through this waste gas filter 45 that has heated through this air preheater 41, with the air and the small amount of exhaust gas Hybrid Heating of preheating, the one-way valve 20 of air on the 6th conduit 46 that makes these compressed machine 37 compression back temperature surpass fuel powder natural combustion temperature in the burner 30 enters three-way pipe 19, hold bucket 21 through the High Temperature High Pressure air again, the 9th conduit 18a is to burner 30.So compression back temperature has surpassed the air of fuel powder natural combustion temperature in the burner 30 and has entered in the burner 30 and contact with fuel powder, can be combustion-supporting rapidly.
Now implementation methods of the present invention is described in detail again as the back:
See also shown in Figure 1, when wanting start-up system, earlier first valve 12 is opened, allow the high-pressure air that is stored in mini air compressor 11 pressure accumulation casees through the 3rd conduit 18 by control valve 24, pass through three-way pipe 19 again, be hampered by one-way valve 20, enter the High Temperature High Pressure air hold the bucket the 21, the 9th a conduit 18a, by air mass flow conveyer 58 to burner 30; When air mass flow conveyer 58 passes to ratio setting device 59 and fuel-control unit 60 with signal, the driving machine that combines by motor 3 and gear reduction box 3a with control and the rotating speed of spiral wing 10, and then the control fuel powder is by the speed of storage tank 1 stove 32 in carrier pipe 7a enters burner 30; Simultaneously Open valve 17 allow the inflammable auxiliary fuel of high pressure by steel drum 15 through pressure-regulating valve 16 and conduit, enter the interior stove 32 of burner 30, and light auxiliary fuel, and ignite and enter solid fuel powder in the burner 30 with firing tools 31; Then the second valve 12a is opened a little, allow the stop cold high pressure air for a long time of mini air compressor pressure accumulation case 11 in the 4th conduit 13 importing storage tanks 1 and airtight screw feeder 7 and through the 5th conduit 14, pass to supply barrel 47; The combustion gas that fuel produces in burner 30 burnings is handled (or pin) dynamic formula control valve 34 and is entered combustion gas turbine 36 expansions, and the rotating shaft of work done rotary air compressor 37, power advance connector 38 and generator 39; Most waste gas of discharging is released in the air after discharge pipe 40 is through air preheater 41 and hot water heater 50; Little part waste gas enters first conduit 43 by discharge pipe 40 through the second conduit 40a, the 3rd valve 44, waste gas filter 45 directly to be mixed with the air of preheating, promotes air temperature rapidly to quite high temperature; Compressed machine 37 suctions of the mixing air of this high temperature, compression back temperature surpass fuel powder natural combustion temperature in the burner 30, enter three-way pipe 19 by the 6th conduit 46 by one-way valve 20, because of air pressure in pressure ratio the 3rd conduit 18 low, high temperature air changes the High Temperature High Pressure air over to and holds bucket 21, before the High Temperature High Pressure air holds bucket 21 increased pressure to the setting pressure lower limit, pressure transmitter 22 promptly transmits signal and gives pressure controller 23, and closing control valve 24 cutoff high air are by the input of the 3rd conduit 18; The air temperatures that while High Temperature High Pressure air holds in the bucket 21 increase gradually because of the air temperature of importing preheating, compression, when temperature is increased to setting temperature lower limit (setting temperature than solid fuel powder natural combustion temperature a little more than 50 ℃ about), temperature inductor 25a reaches signal temperature transmitter 25, reaches temperature controller 26, flow dontroller 27 again, rapidly automatic closing control valve 28, stop the inflammable auxiliary fuel of high pressure to enter burner 30, to save auxiliary fuel; Surpassed fuel powder natural combustion temperature because hold the High Temperature High Pressure air temperatures that bucket 21 flows out by the High Temperature High Pressure air, thus this High Temperature High Pressure air enter in the burner 30 when contacting through the 9th conduit 18a with fuel powder, can be combustion-supporting fully rapidly; When surpassing on burner 30 setting temperatures, the combustion gas temperature that produces prescribes a time limit, temperature inductor 53a reaches signal temperature transmitter 53, reaches temperature controller 54, flow dontroller 55 again, open the 4th valve 56, allow the feedwater of being pushed by high-pressure air by supply barrel 47, the 8th conduit 49, reach by the 4th valve 56 through hot water heater 50, the 7th conduit 51, be sprayed on the fire-resistant cover 33 of porous through nozzle 52 with vaporific or steam, reduce the combustion gas temperature, in order to avoid burner 30 is destroyed by fire because of temperature is too high; Vehicle, when boats and ships will gather way, then hand (or pin) dynamic formula control valve 34 is opened greatly; When underspeeding, then hand (or pin) dynamic formula control valve 34 is turned down or brake.
The above is only for the schematic embodiment of the present invention, to the personage that is familiar with one's own profession skill and Yan Weiyi discloses widely, is not in order to limit scope of the present invention.Any those skilled in the art, various variations and the modification done under the prerequisite that does not break away from design of the present invention and principle all should belong to the scope of protection of the invention.
Claims (26)
1. the device of solid fuel powder burning, work done, it is characterized in that, the device of described solid fuel powder burning, work done comprises that the storage tank of a contain fuel powder, an airtight screw feeder, a burner, a combustion gas turbine, a compressor, a power advance a connector and a generator, wherein:
This storage tank bottom communicates with airtight screw feeder binding, and the airtight screw feeder the other end communicates with the inlet duct of burner, but be provided with a firing tools that is installed in fuel and air inlet pipe place and ignition combustion fuel in burner, link to each other with a conduit between this burner and combustion gas turbine, the combustion gas that burner combustion is caused can enter combustion gas turbine and expand and the rotating shaft of work done rotary turbine machine, and the rotating shaft two ends of this turbo machine link with the rotating shaft of compressor and the rotating shaft of power propelling connector respectively, the rotating shaft the other end that power advances connector then links with the rotating shaft of generator, to form continuous action relation;
And this compressor connects and be provided with the 9th conduit that the 6th conduit, three-way pipe and have the air mass flow conveyer to burner, and is combustion-supporting air compression is imported burner; The 9th supravasal air mass flow conveyer links to each other with the ratio setting device of AIR Proportional with a control fuel powder, the ratio setting device links to each other with a fuel-control unit, fuel-control unit and one carries the driving machine of the fuel powder in the storage tank to link to each other, to form circulating burning, the device of work done.
2. the device of solid fuel powder burning according to claim 1, work done, it is characterized in that this airtight screw feeder comprises the driving machine of being made up of motor and gear reduction box, outer magnetite, interior magnetite, do not have axle packing shrinking away from theshell, airtight screw feeder shell, carrier pipe, annular gasket, bearing and spiral wing; Its airtight screw feeder shell is connected with annular gasket does not have axle packing shrinking away from theshell, rotating shaft in airtight screw feeder shell is provided with the spiral wing, and sheathed bearing in the rotating shaft, magnetite and be positioned at and do not have an axle packing shrinking away from theshell in the rotating shaft end is provided with, the outside of magnetite is provided with the outer magnetite that links with driving machine in corresponding, rotate outer magnetite by driving machine, rotate the interior magnetite that do not have in axle packing shrinking away from theshell and and the spiral wing that is combined into one of interior magnetite and carry fuel powder in the storage tank with its magnetic force.
3. the device of solid fuel powder burning according to claim 1, work done, it is characterized in that this airtight screw feeder comprises rubber stopper that the driving machine, the central authorities that are made up of motor and gear reduction box are provided with the aperture supply lines and pass, in order to rubber stopper is fixing and deadend rubber stopper aperture and central authorities own are provided with hollow screw lid, driving machine closed housing, airtight screw feeder shell, carrier pipe, annular gasket, bearing and the spiral wing that the aperture supply lines passes; This driving machine closely is connected with the rotating shaft of spiral wing, and driving machine is installed in the closed housing, and the spiral wing is installed in the airtight screw feeder shell, clamp ring shape gasket between closed housing and the airtight screw feeder shell, and closely screw with screw and nut; The power supply of motor closely passes the aperture of rubber stopper and hollow screw lid, and combustion gas can not leaked by aperture, makes it to form airtight screw feeder.
4. the device of solid fuel powder burning according to claim 1, work done, it is characterized in that this airtight screw feeder comprises driving machine, gland cock, packing case, airtight screw feeder shell, carrier pipe, gland bedding and padding, bearing and the spiral wing of being made up of motor and gear reduction box; The rotating shaft of this airtight screw feeder is provided with the spiral wing, and the joint shell of rotating shaft and driving machine is provided with the packing case, dress gland bedding and padding in the packing case, and screw with the gland cock, form axle and seal, make it to form airtight screw feeder.
5. the device of solid fuel powder burning according to claim 2, work done is characterized in that, also includes one and adds the auxiliary fuel device automatically; Should automatically add auxiliary fuel device and comprise a valve and a control valve that links to each other with the auxiliary fuel inlet duct of burner with conduit by a steel drum that is provided with a pressure-regulating valve; This control valve links to each other with a flow dontroller; Flow dontroller links to each other with a temperature controller; Temperature controller links to each other with a temperature transmitter; Temperature transmitter links to each other with a temperature inductor; Temperature inductor is fixedly arranged on the High Temperature High Pressure air and holds on the bucket, and air hold the bucket be connected the person of communicating with the 9th conduit.
6. the device of solid fuel powder burning according to claim 3, work done is characterized in that, also includes one and adds the auxiliary fuel device automatically; Should automatically add auxiliary fuel device and comprise a valve and a control valve that links to each other with the auxiliary fuel inlet duct of burner with conduit by a steel drum that is provided with a pressure-regulating valve; This control valve links to each other with a flow dontroller; Flow dontroller links to each other with a temperature controller; Temperature controller links to each other with a temperature transmitter; Temperature transmitter links to each other with a temperature inductor; Temperature inductor is fixedly arranged on the High Temperature High Pressure air and holds on the bucket, and air hold the bucket be connected the person of communicating with the 9th conduit.
7. the device of solid fuel powder burning according to claim 4, work done is characterized in that, also includes one and adds the auxiliary fuel device automatically; Should automatically add auxiliary fuel device and comprise a valve and a control valve that links to each other with the auxiliary fuel inlet duct of burner with conduit by a steel drum that is provided with a pressure-regulating valve; This control valve links to each other with a flow dontroller; Flow dontroller links to each other with a temperature controller; Temperature controller links to each other with a temperature transmitter; Temperature transmitter links to each other with a temperature inductor; Temperature inductor is fixedly arranged on the High Temperature High Pressure air and holds on the bucket, and air hold the bucket be connected the person of communicating with the 9th conduit.
8. solid fuel powder burning according to claim 2, the device of work done, it is characterized in that, also include the mini air compressor that to supply near the high-pressure air of temperature with the pressure accumulation case, should one first valve be arranged with the mini air compressor of pressure accumulation case, first valve communicates with one second valve and one the 3rd conduit respectively with a three-limb tube, the 3rd conduit is provided with a control valve, one pressure controller that links to each other with the control valve the other end, one links to each other with the pressure controller the other end and is fixedly arranged on the High Temperature High Pressure air holds pressure transmitter on the bucket, the three-way pipe that one first end communicates with the 3rd conduit, one one-way valve that communicates with second end of three-way pipe, the one High Temperature High Pressure air that communicates with the 3rd end of three-way pipe holds bucket, second valve communicates with the 4th conduit and the 5th conduit, the 4th conduit with conduit respectively with airtight screw feeder, storage tank communicates, and the 5th conduit then communicates with a supply barrel.
9. solid fuel powder burning according to claim 3, the device of work done, it is characterized in that, also include the mini air compressor that to supply near the high-pressure air of temperature with the pressure accumulation case, should one first valve be arranged with the mini air compressor of pressure accumulation case, first valve communicates with one second valve and one the 3rd conduit respectively with a three-limb tube, the 3rd conduit is provided with a control valve, one pressure controller that links to each other with the control valve the other end, one links to each other with the pressure controller the other end and is fixedly arranged on the High Temperature High Pressure air holds pressure transmitter on the bucket, the three-way pipe that one first end communicates with the 3rd conduit, one one-way valve that communicates with second end of three-way pipe, the one High Temperature High Pressure air that communicates with the 3rd end of three-way pipe holds bucket, second valve communicates with the 4th conduit and the 5th conduit, the 4th conduit with conduit respectively with airtight screw feeder, storage tank communicates, and the 5th conduit then communicates with a supply barrel.
10. solid fuel powder burning according to claim 4, the device of work done, it is characterized in that, also include the mini air compressor that to supply near the high-pressure air of temperature with the pressure accumulation case, should one first valve be arranged with the mini air compressor of pressure accumulation case, first valve communicates with one second valve and one the 3rd conduit respectively with a three-limb tube, the 3rd conduit is provided with a control valve, one pressure controller that links to each other with the control valve the other end, one links to each other with the pressure controller the other end and is fixedly arranged on the High Temperature High Pressure air holds pressure transmitter on the bucket, the three-way pipe that one first end communicates with the 3rd conduit, one one-way valve that communicates with second end of three-way pipe, the one High Temperature High Pressure air that communicates with the 3rd end of three-way pipe holds bucket, second valve communicates with the 4th conduit and the 5th conduit, the 4th conduit with conduit respectively with airtight screw feeder, storage tank communicates, and the 5th conduit then communicates with a supply barrel.
11. the device of solid fuel powder burning according to claim 2, work done, it is characterized in that, also include an air preheater, this air preheater includes air preheater, one first conduit, one the 3rd valve and a waste gas filter that is provided with a cool air inlet; Air preheater is installed on the exhaust pipe of combustion gas turbine; Air preheater is connected with compressor with one first conduit; Be connected with second conduit that one the 3rd valve and a waste gas filter are housed in addition between exhaust pipe and this first conduit.
12. the device of solid fuel powder burning according to claim 3, work done, it is characterized in that, also include an air preheater, this air preheater includes air preheater, one first conduit, one the 3rd valve and a waste gas filter that is provided with a cool air inlet; Air preheater is installed on the exhaust pipe of combustion gas turbine; Air preheater is connected with compressor with one first conduit; Be connected with second conduit that one the 3rd valve and a waste gas filter are housed in addition between exhaust pipe and this first conduit.
13. the device of solid fuel powder burning according to claim 4, work done, it is characterized in that, also include an air preheater, this air preheater includes air preheater, one first conduit, one the 3rd valve and a waste gas filter that is provided with a cool air inlet; Air preheater is installed on the exhaust pipe of combustion gas turbine; Air preheater is connected with compressor with one first conduit; Be connected with second conduit that one the 3rd valve and a waste gas filter are housed in addition between exhaust pipe and this first conduit.
14. the device of solid fuel powder according to claim 2 burning, work done is characterized in that, this burner bottom is provided with one stove in an aperture fire-resistant, is provided with the fire-resistant cover of a porous between stove and the burner inner wall in this is fire-resistant.
15. the device of solid fuel powder according to claim 3 burning, work done is characterized in that, this burner bottom is provided with one stove in an aperture fire-resistant, is provided with the fire-resistant cover of a porous between stove and the burner inner wall in this is fire-resistant.
16. the device of solid fuel powder according to claim 4 burning, work done is characterized in that, this burner bottom is provided with one stove in an aperture fire-resistant, is provided with the fire-resistant cover of a porous between stove and the burner inner wall in this is fire-resistant.
17. the device of solid fuel powder burning according to claim 2, work done is characterized in that the wall of this burner is provided with nozzle; Nozzle links to each other with an end of one the 7th conduit; The other end of the 7th conduit links to each other with the outlet of a hot water heater; The inlet of hot water heater links to each other with a supply barrel with one the 8th conduit; Hot water heater is installed on the exhaust pipe of combustion gas turbine; The 7th conduit is provided with one the 4th valve and links to each other; The 4th valve links to each other with a flow dontroller; Flow dontroller one end links to each other with a flow conveyer; The flow dontroller the other end links to each other with a temperature controller; The temperature controller the other end links to each other with a temperature transmitter; The temperature transmitter the other end links to each other with a temperature inductor; Temperature inductor is installed on the wall of burner.
18. the device of solid fuel powder burning according to claim 3, work done is characterized in that the wall of this burner is provided with nozzle; Nozzle links to each other with an end of one the 7th conduit; The other end of the 7th conduit links to each other with the outlet of a hot water heater; The inlet of hot water heater links to each other with a supply barrel with one the 8th conduit; Hot water heater is installed on the exhaust pipe of combustion gas turbine; The 7th conduit is provided with one the 4th valve and links to each other; The 4th valve links to each other with a flow dontroller; Flow dontroller one end links to each other with a flow conveyer; The flow dontroller the other end links to each other with a temperature controller; The temperature controller the other end links to each other with a temperature transmitter; The temperature transmitter the other end links to each other with a temperature inductor; Temperature inductor is installed on the wall of burner.
19. the device of solid fuel powder burning according to claim 4, work done is characterized in that the wall of this burner is provided with nozzle; Nozzle links to each other with an end of one the 7th conduit; The other end of the 7th conduit links to each other with the outlet of a hot water heater; The inlet of hot water heater links to each other with a supply barrel with one the 8th conduit; Hot water heater is installed on the exhaust pipe of combustion gas turbine; The 7th conduit is provided with one the 4th valve and links to each other; The 4th valve links to each other with a flow dontroller; Flow dontroller one end links to each other with a flow conveyer; The flow dontroller the other end links to each other with a temperature controller; The temperature controller the other end links to each other with a temperature transmitter; The temperature transmitter the other end links to each other with a temperature inductor; Temperature inductor is installed on the wall of burner.
20. the method for solid fuel powder burning, work done is characterized in that described method step comprises:
Utilizing an airtight screw feeder pilot fuel powder to enter in the burner burns, enter a combustion gas turbine expansion working with the combustion gas that produces high pressure, high temperature, and the rotating shaft of rotatable this combustion gas turbine reaches compressor, generator, the power propelling connector that is connected with the rotating shaft of this combustion gas turbine, make compressor can produce and export compressed high-pressure air, this compressed high-pressure air of guiding enters in the burner combustion-supporting again.
21. the method for solid fuel powder burning according to claim 20, work done is characterized in that, burner helps produce the combustion gas of high pressure, high temperature by importing the inflammable auxiliary fuel of high pressure that stores in the steel drum.
22. the method for solid fuel powder burning according to claim 20, work done, it is characterized in that, burner enters in this burner by the high-pressure air that importing one pressure that is stored in air compressor is higher than the port internal pressure, fuel powder is burnt, to produce the combustion gas of high pressure, high temperature in this burner.
23. the method for solid fuel powder burning according to claim 20, work done, it is characterized in that, before air enters described compressor, earlier through heating, and with just compress after a small amount of combustion gas turbine discharging waste gas is mixed, make the high-pressure air temperature that enters burner be higher than fuel powder natural combustion temperature, fuel powder is burnt in this burner, to produce the combustion gas of high pressure, high temperature.
24. the method for solid fuel powder burning according to claim 21, work done, it is characterized in that, burner enters in this burner by the high-pressure air that importing one pressure that is stored in air compressor is higher than the port internal pressure, fuel powder is burnt, to produce the combustion gas of high pressure, high temperature in this burner.
25. the method for solid fuel powder burning according to claim 24, work done, it is characterized in that, before air enters described compressor, earlier through heating, and with just compress after a small amount of combustion gas turbine discharging waste gas is mixed, make the high-pressure air temperature that enters burner be higher than fuel powder natural combustion temperature, fuel powder is burnt in this burner, to produce the combustion gas of high pressure, high temperature.
26. the method for solid fuel powder burning according to claim 22, work done, it is characterized in that, before air enters described compressor, earlier through heating, and with just compress after a small amount of combustion gas turbine discharging waste gas is mixed, make the high-pressure air temperature that enters burner be higher than fuel powder natural combustion temperature, fuel powder is burnt in this burner, to produce the combustion gas of high pressure, high temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010205233.7A CN102278204B (en) | 2010-06-11 | 2010-06-11 | Powdery solid fuel combustion and work application method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010205233.7A CN102278204B (en) | 2010-06-11 | 2010-06-11 | Powdery solid fuel combustion and work application method and device |
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| CN102278204A true CN102278204A (en) | 2011-12-14 |
| CN102278204B CN102278204B (en) | 2014-06-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105089783A (en) * | 2015-07-23 | 2015-11-25 | 四川旦工新能源科技有限公司 | Gunpowder power generation system and method |
| CN106661955A (en) * | 2014-05-21 | 2017-05-10 | 芬诺能源有限公司 | System and method for generating electric energy |
| CN107401456A (en) * | 2017-03-01 | 2017-11-28 | 郭俭 | A kind of turbofan jet engine of burning propellant |
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| US730782A (en) * | 1899-08-16 | 1903-06-09 | Edwin Morrison | Motive-power apparatus. |
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| CN102278204B (en) | 2014-06-04 |
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