CN2636085Y - Layered combustion type coal-to-gas industry boiler - Google Patents
Layered combustion type coal-to-gas industry boiler Download PDFInfo
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- CN2636085Y CN2636085Y CN 03251879 CN03251879U CN2636085Y CN 2636085 Y CN2636085 Y CN 2636085Y CN 03251879 CN03251879 CN 03251879 CN 03251879 U CN03251879 U CN 03251879U CN 2636085 Y CN2636085 Y CN 2636085Y
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The utility model discloses a layered combustion type coal-to-gas industrial boiler which comprises a closed quantization coal feeding bucket, a coal handling plant, a fire grate, a burner, a steam-jet plant, a coal gas generating chamber, a net gas chamber, a combustion chamber, a burnt out chamber, an air water circulatory system, a fume ducting system and an outer shell. Coal is conveyed to the coal gas generating chamber in a boiler to combust by the closed quantization coal feeding bucket and the coal handling plant, the steam-jet plant under a wind chamber sprays steam with high temperature and pressure into combusting coal beds to generate coal gas, and then secondary combustion is done in the boiler. Under the state of no a dust remover, the environmental protection of the utility model obtains national standard, the energy saving is about 50%, and the utility model has the functions that the service load can be adjusted and the labor intensity is dropped.
Description
Technical field: the utility model relates to the Industrial Boiler field, specifically, is that coal changes the gas Industrial Boiler.
Technical background: the Industrial Boiler of using is traveling-grate stoker and the grate-firing coal burning boiler that promotes fire grate mostly at present, adopt the combustion mode of direct-fired unlimited burner hearth burning, mainly comprise: coal bunker, traveling-grate stoker or reciprocal grate, air preheater, economizer, last lower drum, convection bank, superheater, water screen tube, collection case, shell, forced-and-induced draft fan and dust arrester.Coal is input in the stove by the grate firing fire grate, by heat radiation, the flame of convection current and the air blast of fire grate of front and back arch and the negative pressure induced wind on the stove coal seam is lighted, and is transported to slag remover by the fire grate of continuous motion up to roasting slag after-flame.Burner hearth is a unlimited space, and flame causes air pollution by make progress flow burning and have a large amount of dust granules and flow out outside the stove of bottom, and exists problems such as bigger energy waste and labour intensity are big.For addressing these problems, people have noted improving the direct-fired the whole bag of tricks of Industrial Boiler, sow as the moulded coal combustion system and with gas generator and Industrial Boiler to connect.The Chinese patent communique has been announced the coal Gasification Technology in Retrospect that some are new." coal changes the gas firing boiler " (CN 01241783), what adopt is that the coal gas that a kind of rotary gas generator produces enters a kind of version that boiler carries out second-time burning by feed-line, its structure is that rotary fluid power promotes the circular cone type slag remover, producer double-gate sealing coal, stone or metal plate for standing a stove on as a precaution against fire adds the water jacket sealing, stone or metal plate for standing a stove on as a precaution against fire is sealed by water pond, and the steam that vaporization agent is produced by an external small-sized pressure-less boiler is sent into simultaneously to burn in the stove at the wind of the bottom of circular cone type slag remover and air blast and put gas." direct connection internal combustion gas boiler " (CN 02212983), comprise body of heater, be to be closed burner hearth, connect by a tubulose direct connection device and boiler body combustion chamber that boiler pot body removes the coal-burning boiler of deduster, air-introduced machine, air blast, slag remover and fire grate in the outlet of gas producer.No matter but above-mentioned any version all is combining at the gas generator of not realizing being produced under the grate firing fire grate state and boiler.
Summary of the invention: the purpose of this utility model provides a kind of grate firing type coal changes the gas Industrial Boiler, this stove can be realized combining of the gas generator that produced under the grate firing fire grate state and boiler, and adjust the load variations of producing coal generating gas according to the variation of producing, change exerting oneself of boiler fast, improved burning of coal efficient simultaneously.
Boiler structure of the present utility model comprises: closed quantitative coal bunker 1, defeated device for coal 2, burner hearth, scrape slag hearth row 3, burner 5, steam injection equipment 4, gas generating chamber 6, air-purifying chamber 7, combustion chamber 8, secondary furnace 9, steam-water circulation system, cigarette ducting system, shell.
Closed quantitative coal bunker is installed on the preceding furnace wall of fire grate porch, and this closed quantitative coal supply bucket is made up of coal bunker shell, circle roller, drive unit, quantitatively coal supply.Vertical direction distance between fire grate and the coal bunker exit is controlled between the 600mm---1600mm.
Defeated device for coal 2 is housed at the following rear of closed quantitative coal bunker 1.Defeated device for coal 2 by water-cooled scraper plate 201, be connected in countershaft 202, roller 204, rope 205, main shaft 203, rope drum 206 on the water-cooled scraper plate, hold coal platform 208 and stiff end pulley 207 constitutes; Its working method is as follows: the coal in the closed quantitative coal bunker 1 falls the back and is stacked into posteroinferior the holding on the coal platform 208 of its outlet naturally, water-cooled scraper plate 201 was positioned at and held coal platform 208 furnace wall one side of going forward this moment, when the piling height of coal reaches technological requirement, closed quantitative coal bunker 1 stops coal supply, water-cooled scraper plate 201 is lateral movement in burner hearth under the drive of countershaft 202, coal is transported in the burner hearth, thereafter this water-cooled scraper plate 201 returns the home position under the drive of countershaft 202, restart another working cycles, realized continuous coal supply and so forth burner hearth.The motion of countershaft 202 is to drive realization by the rope that is connected between main shaft 203, the countershaft 202, also is equipped with on the countershaft 202 on the track 215 of roller 204 outside burner hearth and rolls.There is the interface tube 209 that links together with low pressure hose 212 to be synchronized with the movement on the countershaft 202 with countershaft 202.But on the furnace wall of countershaft 202 and water-cooled scraper plate 201 connecting sections, be provided with the water-cooled box 213 of Inlet and outlet water, this water-cooled box 213 is installed in the inboard of furnace wall, have rectangular slit opening in the middle of the water-cooled box 213, can supply countershaft 202 linear reciprocating motion within it, in order to seal the open ports of water-cooled box 213, be provided with the water-cooled soft water bag 214 that refractory material is made in water-cooled box 213 inboards, water-cooled soft water bag 214 is two-layer, water-cooled countershaft 202 is positioned at the two-layer gap location in up and down, since the pressure effect of water make water-cooled soft water bag 214 closely with 202 armfuls on axle together, play sealing process, water-cooled soft water bag 214 all is to do baffle plate and supporting by steel plate.For flexible pipe 212 and steel cable 205, be equipped with dragging roller 216 in the relevant position.The left and right sides at boiler is equipped with said structure.Its concrete structure as shown in Figure 2.
Adopt closed burner hearth, burner hearth constitutes gas generating chamber 6, air-purifying chamber 7, combustion chamber 8, secondary furnace 9 from the bottom to top successively.And rear arch hides cigarette wall 10 on upper furnace is equipped with.
Adopt reciprocal driving fire grate or chain to scrape slag hearth row 3.
A plurality of movable plenum chambers are arranged under fire grate, on the plenum chamber middle part axis parallel with fire grate 3 steam injection equipment 4 is housed, for steam boiler, the vapour source derives from drum, superheater collection case; Install system tracheae screen 16, system vapour collection case additional for hot-water boiler, steam is imported by mozzle, and the steam emitted dose is by control valve 406 controls.
Between secondary furnace 9 and combustion chamber 8, burner 5 is housed, forms coner firing, form is fired in spray, Dan Zuqian spray, Dan Zuhou spray, multipole spray.
Concrete scheme is as follows:
1) closed quantitative coal supply bucket 1 is installed on the preceding furnace wall of fire grate porch, vertical span is between 600mm---1600mm, and this closed quantitative coal supply bucket 1 is made up of coal bunker shell, circle roller, drive unit and the time relay, quantitatively coal supply.Characteristic according to coal, vertical height between decision coal bunker and fire grate, when the duff particle between 0-10mm, coal dust content is 80% o'clock, and the stronger coal of coking, coal seam thickness is chosen as between the 400-600mm, and during brown coal more and very easily after-flame, coal seam thickness is chosen as between the 600-1200mm when former coal cinder.
2) defeated device for coal 2 is housed below closed quantitative coal supply bucket 1, defeated device for coal is made up of the defeated coal scraper plate 201 of water-cooled, the defeated coal scraper plate countershaft 202 of water-cooled, defeated coal scraper plate main shaft 203, defeated coal scraper plate movable pulley 204, sliding rail 215, sealed water bag 214, water-cooled box 213, water-cooled flexible pipe 212, travel switch 217, is the defeated coal function of machinery with water-cooled.
3) adopt reciprocal driving fire grate or chain to scrape slag hearth row.Chain is scraped slag hearth row and is made up of the fin form.Back and forth the driving fire grate is a plain cylindrical furnace fire grate form commonly used, at Lu Houqiang place and fire grate slag notch place adjustable gate is housed.Fire grate has a plurality of movable plenum chambers for 3 times, and sideboard 15 is housed between each plenum chamber, and the number of air compartment is by the length decision of fire grate.
4) on the plenum chamber axis parallel with fire grate 3 steam injection equipment 4 is housed, this injection apparatus 4 is made up of playpipe 401, sliding tube 402, stationary pipes 403, admission case 404, drive unit 406, admission control valve 407, admission control valve 405.Playpipe 401, sliding tube 402, stationary pipes 403, admission case 404 are connected successively, drive sliding tube 402 by drive unit 406 and move back and forth between each movable air compartment.
5) adopt closed burner hearth, in burner hearth by water screen tube 11 cross seals every, burner hearth is followed successively by gas generating chamber 6, air-purifying chamber 7, combustion chamber 8, secondary furnace 9 from the bottom to top.The left and right sides, water screen tube 11 crosspoint is an air-purifying chamber 7; The below, crosspoint is a gas generating chamber 6; The top, crosspoint is combustion chamber 8; 8 tops, combustion chamber are secondary furnace 9; Between combustion chamber 8 and secondary furnace 9, be added with rear arch and hide cigarette wall 10.Be added with many group fins on the water screen tube 11 that intersects, water-cooling wall cross pipe 11 is top by fire-resisting partition 19 packings.Water cooling tube adopts extended surface tube or pattern water screen tube, collects case all around and is connected by water cooling tube or extended surface tube.
6) between air-purifying chamber and combustion chamber burner is housed, burner is made up of many groups U-shaped pipe, adjustment doors.The U-shaped pipe is installed between air-purifying chamber and the combustion chamber, generally all adopts two groups of correspondences, form the collision burning, but gas-pipe line decides one group of 1-10 formation according to the size of boiler, also can singly organize installation.Adjustment doors is installed between the U-shaped pipe.Secondary air channel road system is equipped with at the burner place.
7) for hot-water boiler system tracheae screen 16 is housed also.The collection case is provided with the system tracheae screen of being made up of many groups U-shaped pipe 16, ingress pipe between drum and hot water collection case is provided with non-return valve,, U-shaped pipe both sides are equipped with into the water collection case and the collection case of giving vent to anger, and the collection case of giving vent to anger is equipped with escape pipe and links to each other with the control valve of reciprocal injection apparatus.
Operation principle of the present utility model: by the coal distributing device in the coal bunker coal is input in the device for coal, by defeated device for coal coal is transported on the grate firing fire grate in the stove again, the coal on the fire grate is lighted rear enclosed by the lighting door on the furnace wall.Open air blast, in gas generating chamber, the fire combustion is opened.Coal seam thickness is burnt from bottom to top between 300mm-1800mm, and the slag after the burning is expelled to the outer slag remover of stove by scraping slag hearth.Be open at the steam injection equipment under the air compartment, the steam of HTHP is injected to the high temperature of burning at the zone of flame more than 1100 ℃, produce chemical reaction and generate coal gas, enter air-purifying chamber, by by ignition tip coal gas being lighted in the burner importing combustion chamber, gas-fired is regulated by regulating plate, enters after-flame in the secondary furnace again, is discharged out of the furnace by air inducing.
The beneficial effects of the utility model are: a large amount of coal gas that the steam that the coal that burns on the grate firing fire grate sprays by steam injection equipment produces are at boiler after-flame voluntarily in health.Because the participation of water, make coal be in the imperfect combustion state, generated the superior clean combustion energy, reduced emission of carbon-dioxide, avoided the discharging outside stove of black smoke, dust, also avoided leaking outside and the generation of deflagration phenomenon of coal gas, and positive effect has been played in the processing of sulfur dioxide.And this stove has improved the utilization rate of coal greatly.And the grate firing type coal changes the gas Industrial Boiler to have the load variations that goes up coal, slagging-off, required coal generating gas reliably continuously and can regulate arbitrarily, can change the function of exerting oneself of boiler fast, reduce boiler slag carbon content, play the effect of high-efficient energy-saving environment friendly, and be applicable to the size of each coal and various coal particles.And under the imperfect combustion state of coal, form the effect of the multi-use of coal coking charcoal.
Description of drawings
Fig. 1 is that the grate firing type coal changes gas Industrial Boiler structural representation, is appointed as Figure of description simultaneously.Closed quantitative coal supply bucket 1, defeated device for coal 2, scrape slag hearth row 3, steam injection equipment 4, burner 5, gas generating chamber 6, air-purifying chamber 7, combustion chamber 8, secondary furnace 9, go up rear arch and hide cigarette wall 10, intersect water screen tube 11, collection case 12, steam guiding tube 13, lighting door 14, sideboard 15, system tracheae screen 16, gate 17, secondary air duct 18, fire-resisting partition 19
Fig. 2 is the structural representation that the grate firing type coal changes the defeated device for coal of gas Industrial Boiler.Water-cooled is failed coal scraper plate 201, the defeated coal plate countershaft 202 of water-cooled, defeated coal plate main shaft 203, defeated coal plate scroll wheel 204, steel cable 205, rope drum 206, pulley 207, is held coal platform 208, interface tube 209, sliding rail 215, sealed water bag 214, water-cooled box 213, water-cooled flexible pipe 212, travel switch 217.
Fig. 3 is the vertical view that the grate firing type coal changes gas Industrial Boiler steam injection equipment.Playpipe 401, sliding tube 402, stationary pipes 403, admission case 404, drive unit 406, control valve 405, control valve 407.
The specific embodiment: the specific embodiment is described below in conjunction with accompanying drawing
Embodiment 1:
Produce the steam boiler of SLH-25KG-20T/H model transforms with reference to boiler factory, former Beijing:
1, change former open type burner hearth into closed burner hearth, arch before and after removing, in burner hearth by water screen tube 11 cross seals every, burner hearth is followed successively by gas generating chamber 6, air-purifying chamber 7, combustion chamber 8, secondary furnace 9 from the bottom to top.The left and right sides, water screen tube 11 crosspoint is an air-purifying chamber 7; The below, crosspoint is a gas generating chamber 6; The top, crosspoint is combustion chamber 8; 8 tops, combustion chamber are secondary furnace 9; Between combustion chamber 8 and secondary furnace 9, be added with rear arch and hide cigarette wall 10.Be added with many group fins on the water screen tube 11 that intersects, water-cooling wall cross pipe 11 is top by fire-resisting partition 19 packings.
2, former water screen tube changes pattern water screen tube or extended surface tube into.Collecting case is all around connected by water screen tube or extended surface tube.
3, remove former coal bunker, change closed quantitative feeding-coal bucket 1 into; Closed quantitative coal supply bucket 1 is installed in apart from fire grate 3 porch, and vertical span is the 600mm place; This closed quantitative feeding-coal bucket 1 is made up of coal bunker shell, circle roller, drive unit and the time relay, quantitatively coal supply.The electric motor starting of closed quantitative feeding-coal bucket 1 has rotated round roller, at regular time and quantity coal is being input on the device for coal 2 under the time relay effect.
4, in closed quantitative feeding-coal bucket 1 below defeated device for coal 2 is housed.Should mainly form by defeated device for coal 2, have the defeated coal function of machinery of water cooling plant by the defeated coal scraper plate 201 of water-cooled, the defeated coal plate countershaft 202 of water-cooled, defeated coal plate main shaft 203, defeated coal plate movable pulley 204, sliding rail 215, sealed water bag 214, water-cooled box 213, travel switch 217, water-cooled flexible pipe 212.In sliding rail 215 both sides sealed water bag 214, water-cooled box 213 are housed.Bottom, sliding rail 215 two ends is equipped with travel switch 217, defeated device for coal main shaft 203 is positioned at the below of closed quantitative feeding-coal bucket 1, countershaft 202 is positioned at the lower end of closed quantitative feeding-coal bucket 1, seal between main shaft 203 and the countershaft 202 and separate, defeated coal plate movable pulley 204, sliding rail 215, water cooled seal water bag 214, water-cooled box 213 are installed on the fixed head of furnace wall both sides.
From closed quantitative feeding-coal bucket input, the electric motor starting of closed quantitative feeding-coal bucket has rotated round roller 102, at regular time and quantity coal is being input on the device for coal 2 under the time relay effect with coal.Then under time relay effect, closed the motor of closed quantitative feeding-coal bucket 1, started the buncher of defeated device for coal 2, the motion that has spurred defeated coal scraper plate 201 is transported to coal on the grate firing fire grate 3, strike travel switch 217 backs in the motion and suspended only motion back counter-rotating swivel motion impact stroke switch 217, started the motor of closed quantitative feeding-coal bucket 1, coal has been transported on the grate firing fire grate 3 with this beginning in week motion.
5, flat traveling-grate stoker is changed into scrape slag formula traveling-grate stoker, chain is scraped slag hearth row and is made up of the fin form.
6, at Lu Houqiang place and fire grate slag notch place adjustable gate 17 is housed.
7, change the sealing air compartment under the fire grate 3 into movable plenum chamber 15, sideboard 15 is housed between each plenum chamber.
8, on plenum chamber 15 axis parallel with fire grate 3 steam injection equipment 4 is housed, this injection apparatus 4 is made up of playpipe 401, sliding tube 402, stationary pipes 403, admission case 404, drive unit 406, admission control valve 407, admission control valve 405.Playpipe 401, sliding tube 402, stationary pipes 403, admission case 404 are connected successively, drive sliding tube 402 drive playpipes 401 by drive unit and move back and forth between each movable air compartment.
9, between air-purifying chamber 7 and combustion chamber 8 burner 5 is housed, burner 5 is made up of many groups U-shaped pipe, adjustment doors.The U-shaped pipe is installed between air-purifying chamber 7 and the combustion chamber 8, generally all adopts two groups of correspondences, form the collision burning, but gas-pipe line decides one group of 1-10 formation according to the size of boiler, also can singly organize installation.Adjustment doors is installed between the U-shaped pipe.Secondary air channel road system is equipped with at burner 5 places.Has extraneous fuel gas ingress pipe on the burner 5, the fuel gas that incendivity imports when boiler ignites.After U-shaped pipe adjustment doors closed, fuel gas that can extraneous fuel gas ingress pipe imports on burner hearth internal combustion burner.
10, other structures of boiler are constant.
Embodiment 2:
The new system hot-water boiler:
1, adopt closed burner hearth, in burner hearth by water screen tube 11 cross seals every, burner hearth is followed successively by gas generating chamber 6, air-purifying chamber 7, combustion chamber 8, secondary furnace 9 from the bottom to top.The left and right sides, water screen tube crosspoint is an air-purifying chamber 7; The below, crosspoint is a gas generating chamber 6; The top, crosspoint is combustion chamber 8; 8 tops, combustion chamber are secondary furnace 9; Between combustion chamber 8 and secondary furnace 9, be added with rear arch and hide cigarette wall 10.Be added with many group fins on the water screen tube 11 that intersects, water-cooling wall cross pipe 11 is top by fire-resisting partition 19 packings.
2, water cooling tube adopts extended surface tube or pattern water screen tube.Collecting case is all around connected by water cooling tube or extended surface tube.
3, closed quantitative coal supply bucket 1 is installed in apart from fire grate 3 porch, vertical span is at the 1000mm place,
4, defeated device for coal 2 is equipped with in the lower end in closed quantitative feeding-coal bucket 1.This closed quantitative feeding-coal bucket 1 is made up of coal bunker shell, circle roller, drive unit and the time relay, quantitatively coal supply.The electric motor starting of closed quantitative feeding-coal bucket 1 has rotated round roller, at regular time and quantity coal is being input on the device for coal under the time relay effect.
5, the lower end in closed quantitative feeding-coal bucket 1 is connected with defeated device for coal 2.Should mainly form by defeated device for coal 2, have the defeated coal function of machinery of water cooling plant by the defeated coal scraper plate 201 of water-cooled, the defeated coal plate countershaft 202 of water-cooled, defeated coal plate main shaft 203, defeated coal plate movable pulley 204, sliding rail 215, sealed water bag 214, water-cooled box 213, travel switch 217, water-cooled flexible pipe 212.In sliding rail 215 both sides sealed water bag 214, water-cooled box 213 are housed.Bottom, sliding rail 215 two ends is equipped with travel switch 217, defeated device for coal 2 main shafts are positioned at the below of closed quantitative feeding-coal bucket 1, countershaft 202 is positioned at the lower end of closed quantitative feeding-coal bucket 1, seal between main shaft 203 and the countershaft 202 and separate, defeated coal plate roller 204, sliding rail 215, water cooled seal water bag 214, water-cooled box 213 are installed on the fixed head of furnace wall both sides.
From closed quantitative feeding-coal bucket 1 input, the electric motor starting of closed quantitative feeding-coal bucket 1 has rotated round roller 102, at regular time and quantity coal is being input on the device for coal 2 under the time relay effect with coal.Then under time relay effect, closed the motor of closed quantitative feeding-coal bucket 1, started the buncher of defeated device for coal 2, the motion that has spurred defeated coal scraper plate 201 is transported to coal on the grate firing fire grate 3, strike travel switch 217 backs in the motion and suspended only motion back counter-rotating swivel motion impact stroke switch 217, started the motor of closed quantitative feeding-coal bucket 1, coal has been transported on the grate firing fire grate 3 with this beginning in week motion.
6, adopt reciprocal driving fire grate.Back and forth the driving fire grate is the form of using always.
7, at Lu Houqiang place and fire grate slag notch place adjustable gate 17 is housed.
8, adopt movable air compartment, sideboard 15 is housed between each plenum chamber.
9, on the plenum chamber axis parallel with fire grate 3 steam injection equipment 4 is housed, this injection apparatus 4 is made up of playpipe 401, sliding tube 402, stationary pipes 403, admission case 404, drive unit 406, admission control valve 407, admission control valve 405.Playpipe 401, sliding tube 402, stationary pipes 403, admission case 404 are connected successively, drive sliding tube 402 by drive unit and move back and forth between each movable air compartment.
10, between air-purifying chamber 7 and combustion chamber 6 burner 5 is housed, burner 5 is made up of many groups U-shaped pipe, adjustment doors.The U-shaped pipe is installed between air-purifying chamber 7 and the combustion chamber 6, generally all adopts two groups of correspondences, form the collision burning, gas-pipe line decides according to the size of boiler, but one group of 1-10 formation also can singly be organized installation.Adjustment doors is installed between the U-shaped pipe.Secondary air channel road system is equipped with at burner 5 places.
11 install system tracheae screen 16 additional.The collection case is provided with the system tracheae screen of being made up of many groups U-shaped pipe, and the ingress pipe between drum and hot water collection case is provided with non-return valve,, U-shaped pipe both sides are equipped with into the water collection case and the collection case of giving vent to anger, and the collection case of giving vent to anger is equipped with escape pipe and links to each other with the control valve of reciprocal injection apparatus.
12, other structures of boiler are identical with the ordinary hot homogeneous solution-type reactor.
Claims (10)
1, a kind of grate firing type coal changes the gas Industrial Boiler, is made up of coal bunker, fire grate, drum, burner hearth, water screen tube, collection case, steam-water circulation system, shell, air blast, air-introduced machine, it is characterized in that:
A, described coal bunker are installed on the preceding furnace wall of fire grate inlet side, the quantitative feeding-coal bucket of being made up of shell, circle roller, drive unit of sealing (1);
B, between coal bunker and fire grate, also has defeated device for coal (2);
C, adopt closed chamber structure, arch before and after the cancellation, in burner hearth by water screen tube (11) cross seal every, burner hearth is followed successively by gas generating chamber (6) from the bottom to top, air-purifying chamber (7), combustion chamber (8), secondary furnace (9), the left and right sides, water screen tube crosspoint is air-purifying chamber (7), the below, crosspoint is gas generating chamber (6), the top, crosspoint is combustion chamber (8), top, combustion chamber (8) is secondary furnace (9), between combustion chamber (8) and secondary furnace (9), be added with rear arch and hide cigarette wall (10), be added with many group fins on the water screen tube (11) that intersects, water-cooling wall cross pipe (11) is top by fire-resisting partition (19) packing.
D, between secondary furnace (9) and combustion chamber (8), burner (5) is housed, forms coner firing, spray, Dan Zuqian spray, Dan Zuhou spray, multipole spray combustion form;
E, on the plenum chamber axis parallel, steam injection equipment (4) is installed also with fire grate (3);
F, described fire grate (3) are for scraping slag hearth row or reciprocating grate;
G, respectively increase a collection case (12) up and down at defeated device for coal (2);
Under h, the fire grate (3) movable plenum chamber (15) is arranged;
2, grate firing type coal according to claim 1 changes the gas Industrial Boiler, it is characterized in that vertical direction distance between closed quantitative coal bunker (1) exit and the fire grate (3) is between 600mm---1600mm.
3, grate firing type coal according to claim 1 changes the gas Industrial Boiler, it is characterized in that described defeated device for coal (2) by water-cooled scraper plate (201), be connected in countershaft (202) and pulley (204), rope (205), main shaft (203) and rope drum (206) on the water-cooled scraper plate, hold coal platform (208) and stiff end pulley (207) formation; The track (215) of roller (204) outside burner hearth also is housed on the countershaft (202) goes up rolling; The interface tube (209) that links together with low pressure hose (212) is synchronized with the movement with countershaft (202), at countershaft (202) and water-cooled scraper plate (201) but be provided with the water-cooled box (213) of Inlet and outlet water on the furnace wall of connecting section, this water-cooled box (213) is installed on the furnace wall, have rectangular slit opening in the middle of the water-cooled box (213), can supply countershaft (202) linear reciprocating motion within it, in order to seal the open ports of water-cooled box (213), be provided with the water-cooled soft water bag (214) that refractory material is made in water-cooled box (213) inboard, water-cooled soft water bag (214) is two-layer, water-cooled countershaft (202) is positioned at the two-layer gap location in up and down, because the pressure effect of water is embraced axle (202) water-cooled soft water bag (214) closely, plays sealing process.
4, grate firing type coal according to claim 1 changes the gas Industrial Boiler, it is characterized in that having between each plenum chamber sideboard (15) to separate.
5, grate firing type coal according to claim 1 changes the gas Industrial Boiler, it is characterized in that described water screen tube adopts monowall tube or extended surface tube.
6, grate firing type coal according to claim 1 changes the gas Industrial Boiler, it is characterized in that on the described burner (5) the fuel gas ingress pipe being housed also.
7, grate firing type coal according to claim 1 changes the gas Industrial Boiler, it is characterized in that it is fin-type that described chain is scraped slag hearth row's fire grate segment.
8, grate firing type coal according to claim 1 changes the gas Industrial Boiler, it is characterized in that described steam injection equipment 4 is on the plenum chamber axis parallel with fire grate 3, this injection apparatus (4) is made up of playpipe (401), sliding tube (402), stationary pipes (403), admission case (404), drive unit (406), admission control valve (407), admission control valve (405), playpipe (401), sliding tube (402), stationary pipes (403), admission case (404) are connected successively, drive sliding tube (402) by drive unit and move back and forth between each movable air compartment.
9, change the gas Industrial Boiler according to claim 1 or 3 described grate firing type coals, it is characterized in that the relevant position of described flexible pipe (212) and steel cable (205) is equipped with dragging roller (216).
10, change the gas Industrial Boiler according to claim 1 or 3 described grate firing type coals, it is characterized in that described water-cooled soft water bag (214) all is to do baffle plate and supporting by steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03251879 CN2636085Y (en) | 2003-08-07 | 2003-08-07 | Layered combustion type coal-to-gas industry boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03251879 CN2636085Y (en) | 2003-08-07 | 2003-08-07 | Layered combustion type coal-to-gas industry boiler |
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| CN2636085Y true CN2636085Y (en) | 2004-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03251879 Expired - Lifetime CN2636085Y (en) | 2003-08-07 | 2003-08-07 | Layered combustion type coal-to-gas industry boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697452A (en) * | 2013-12-16 | 2014-04-02 | 清华大学 | Flexible industrial boiler and operation method thereof |
| CN109099503A (en) * | 2018-09-06 | 2018-12-28 | 黑龙江赫尔特生物质能源发展有限公司 | Variable delivery, multi fuel, low emission, efficient modular therrmodynamic system |
-
2003
- 2003-08-07 CN CN 03251879 patent/CN2636085Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697452A (en) * | 2013-12-16 | 2014-04-02 | 清华大学 | Flexible industrial boiler and operation method thereof |
| CN103697452B (en) * | 2013-12-16 | 2015-12-16 | 清华大学 | A kind of flexible industrial boiler and operation method thereof |
| CN109099503A (en) * | 2018-09-06 | 2018-12-28 | 黑龙江赫尔特生物质能源发展有限公司 | Variable delivery, multi fuel, low emission, efficient modular therrmodynamic system |
| CN109099503B (en) * | 2018-09-06 | 2023-07-28 | 黑龙江赫尔特生物质能源发展有限公司 | Variable force, multi-fuel, low emission, high efficiency modular thermodynamic system |
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