CN104964448A - Biomass organic heat carrier heating furnace system - Google Patents

Biomass organic heat carrier heating furnace system Download PDF

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Publication number
CN104964448A
CN104964448A CN201510388966.1A CN201510388966A CN104964448A CN 104964448 A CN104964448 A CN 104964448A CN 201510388966 A CN201510388966 A CN 201510388966A CN 104964448 A CN104964448 A CN 104964448A
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air
burner hearth
housing
dividing plate
boiler
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CN201510388966.1A
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Chinese (zh)
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高建伟
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Individual
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Abstract

The invention relates to a biomass organic heat carrier heating furnace system. The biomass organic heat carrier heating furnace system comprises a furnace, a feeding device, an air supplying device and a smoke discharging and treating system. The biomass organic heat carrier heating furnace system has the advantages that feeding amount is controllable, the combusting efficiency of fuel is high, the heat efficiency is obviously improved, smoke dedusting is thorough, the smoke temperature of the outlet is low, the fuel is effectively prevented from tempering, and safety and the environment protecting can be achieved.

Description

Organic biomass heat carrier reheat furnace system
Technical field
The present invention relates to steam generator system, particularly a kind of organic biomass heat carrier reheat furnace system.
Background technology
Organic biomass heat carrier reheat furnace system is is fuel with biological particles, take conduction oil as the steam generator system of heat medium, the organic biomass heat carrier actual motion thermal efficiency generally used now is because the unreasonable of project organization always will lower than the several percentage point of design thermal efficiency ten, the reheat furnace system actual motion thermal efficiency only about 75%, and have fuel combustion not thoroughly, heat exchanger effectiveness is low, exiting flue gas cigarette temperature is too high, the halfway shortcoming of flue gas ash removal.
Summary of the invention
The technical problem to be solved in the present invention is: the invention provides that a kind of inlet amount is controlled, fuel economy is high, the thermal efficiency significantly promotes, flue gas ash removal thoroughly, outlet cigarette temperature is low and effectively avoid the novel biomass organic thermal carrier heating furnace system of fuel tempering, safety and environmental protection.
The technical solution adopted for the present invention to solve the technical problems is: a kind of organic biomass heat carrier reheat furnace system, described novel biomass organic thermal carrier heating furnace system comprises boiler, feed arrangement, air-supply arrangement and fume emission treatment system, described feed arrangement is arranged on the feed end of boiler, described air-supply arrangement is connected to boiler internal by pipeline, and described fume emission treatment system is connected with the outlet flue of boiler; Described boiler body comprises body of heater and stove seat, described body of heater is arranged on above stove seat, described body of heater is less than the width of stove seat on width, described body of heater is greater than the length of stove seat in length, and has one section of protrusion stove seat part, and described furnace interior has radiant section tube bank and convection section tube bank, described stove seat comprises furnace wall and burner hearth, described furnace wall is arranged on burner hearth periphery, and described radiant section tube bank is arranged on directly over burner hearth, and described convection section tube bank is arranged on the part that body of heater protrudes stove seat.
Described furnace wall comprises refractory brick and insulation material, there is in described burner hearth face arch and rear arch, described furnace interior convection section also has dividing plate, described dividing plate has four pieces, the first dividing plate respectively, second partition, 3rd dividing plate and the 4th dividing plate, described first dividing plate, second partition, 3rd dividing plate and the 4th dividing plate are arranged between the space of convection section tube bank, the setting of described dividing plate is not exclusively to be closed, the space that it stayed makes furnace interior convection section part form an exhaust gases passes, described boiler body also has online ash discharging gear, described online ash discharging gear is arranged on the below of convection section tube bank, described online ash discharging gear comprises ash-storing bin and star-shaped dust-discharging valve.
Described feed arrangement comprises hopper, biological particles feeding coal adjusting device, water-cooled coal gate and fire grate, described fire grate is arranged in burner hearth, and have one end projection, described hopper is arranged on the end that described fire grate protrudes burner hearth part, described biological particles feeding coal adjusting device is arranged on the inner feed opening position of hopper, and described water-cooled coal gate is arranged on above fire grate, the junction of hopper and burner hearth.
Described water-cooled coal gate comprises housing, hanger, first water inlet pipe, first outlet pipe, cooling coil, second water inlet pipe, second outlet pipe, reinforcement and flame retardant coating, described hanger is arranged on the upper surface of housing, described reinforcement is disposed in an evenly spaced relation in enclosure interior, the first described water inlet pipe is connected to cooling coil by the water inlet pipe mouth on housing, the first described outlet pipe is connected to cooling coil by the effluent pipe mouth on housing, described cooling coil lower surface is close to enclosure interior bottom surface and is arranged, described flame retardant coating is arranged on the side of described housing towards burner hearth, the second described water inlet pipe is arranged on the bottom of housing side, the second described outlet pipe is arranged on the top of housing side.
Described fume emission treatment system comprises air preheater, multi-tube dust cleaner, air-introduced machine, sack cleaner and chimney, from boiler nozzle, be disposed with air preheater, multi-tube dust cleaner, air-introduced machine, sack cleaner and chimney by pipeline, described air preheater is arranged on outside the pipeline that is connected between boiler nozzle with multi-tube dust cleaner.
Described air-supply arrangement comprises air blast, overfire air fan, air outlet and secondary blast mouth, described air blast is connected to the entrance of air preheater, described overfire air fan is connected to air preheater and is exported in the lateral of air outlet pipeline, and being connected to secondary blast mouth by this pipeline, described secondary blast mouth is arranged on edge under roof of the furnace.
The invention has the beneficial effects as follows: be arranged on the height in burner hearth by raising secondary blast mouth, the contact area of the air surface of combustion front and secondary blast is increased, make burning more abundant, effectively improve ignition temperature; Arrangement in body of heater can strengthen radiation exchange hot side and amass, and makes to enter convection section flue-gas temperature and reduces, be conducive to protecting convection bank, improve use safety degree, increase service life; The air that air blast is introduced flows through exiting flue gas pipeline, and both carry out heat exchange, makes air preheat on the one hand, improves efficiency of combustion, is conducive to the temperature reducing exiting flue gas on the other hand; Radiant section and convection section are provided separately, radiant section is placed in above burner hearth completely, effectively can improve the radiant heat exchange efficiency of radiant section tube bank; The dividing plate that convection section is arranged changes the flow direction of flue gas, makes sweep of gases have horizontal and vertical two-wayly to wash away, improves the heat exchanger effectiveness of convection section tube bank, reduce outlet cigarette temperature simultaneously; Convection section bottom is provided with online ash discharging gear, ash discharge process can be carried out more easily; Relative to the conventional boiler actual motion thermal efficiency about 75%, adopt the present invention's design can improve the boiler actual motion thermal efficiency to 85%; Multi-tube dust cleaner, sack cleaner can effective purge outlet flue gases, biological particles feeding coal adjusting device can practical adjustments inlet amount as required, the clogging that effective prevention inlet amount too much causes, water-cooled coal gate can control the temperature of charging aperture, the potential safety hazard of prevention charging tempering, also there is the effect controlling fuel depth on fire grate simultaneously, improve efficiency of combustion further.
Accompanying drawing explanation
Below in conjunction with accompanying drawing embodiment, the present invention is further described.
Fig. 1 is organic biomass heat carrier reheat furnace system schematic diagram;
Fig. 2 is boiler schematics;
Fig. 3 is stove seat schematic diagram;
Fig. 4 is water-cooled coal gate front view;
Fig. 5 is the sectional view of water-cooled coal gate right view;
In figure: 1. body of heater; 2. stove seat; 3. furnace wall; 4. burner hearth; 5. radiant section tube bank; 6. convection section tube bank; 71. first dividing plates; 72. second partitions; 73. the 3rd dividing plates; 74. the 4th dividing plates; 10. online ash discharging gear; 11. ash-storing bins; 12. star-shaped dust-discharging valves; 13. hoppers; 14. biological particles feeding coal adjusting devices; 15. water-cooled coal gates; 16. fire grates; 17. chimneys; 18. multi-tube dust cleaners; 19. air-introduced machines; 20. sack cleaners; 21. air blasts; 22. overfire air fans; 23. air preheaters; 24. air outlets; 25. secondary blast mouths; 26. refractory brick; 27. insulation materials; 28. second outlet pipes; 29. housings; 30. hangers; 31. first water inlet pipes; 32. first outlet pipes; 33. cooling coils; 34. reinforcements; 35. flame retardant coatings; 36. second water inlet pipes.
Detailed description of the invention
The invention will be further described in conjunction with specific embodiments now, and following examples are intended to the present invention instead of limitation of the invention further are described.
As shown in Figure 1, Figure 2 and Figure 3, a kind of organic biomass heat carrier reheat furnace system, described novel biomass organic thermal carrier heating furnace system comprises boiler, feed arrangement, air-supply arrangement and fume emission treatment system, described feed arrangement is arranged on the feed end of boiler, described air-supply arrangement is connected to boiler body inside by pipeline, and described fume emission treatment system is connected with the outlet flue of boiler body, described boiler comprises body of heater 1 and stove seat 2, described body of heater 1 is arranged on above stove seat 2, described body of heater 1 is less than the width of stove seat 2 on width, described body of heater 1 is greater than the length of stove seat 2 in length, and have one section of protrusion stove seat 2 part, described body of heater 1 inside has radiant section tube bank 5 and convection section tube bank 6, described radiant section tube bank 5 is arranged on directly over burner hearth 4, described convection section tube bank 6 is arranged on the part that body of heater 1 protrudes stove seat 2, radiant section tube bank 5 and convection section tube bank 6 are separated from each other by this kind of design, effectively can improve the radiant heat exchange efficiency of radiant section tube bank 5, improve the thermal efficiency of reheat furnace system entirety, described body of heater 1 internal convection section also has dividing plate 7, described dividing plate 7 has four pieces, the first dividing plate 71 respectively, second partition 72, 3rd dividing plate 73 and the 4th dividing plate 74, described first dividing plate 71, second partition 72, 3rd dividing plate 73 and the 4th dividing plate 74 are arranged between the space of convection section tube bank 6, the setting of described dividing plate 7 is not exclusively to be closed, its the space stayed make body of heater 1 internal convection section part form the linear exhaust gases passes of a wave, thus change the flow direction of flue gas, sweep of gases is made to have horizontal and vertical two-wayly to wash away, improve the heat exchanger effectiveness at convection tube place, described boiler also has online ash discharging gear 10, described online ash discharging gear 10 is arranged on the below of convection section tube bank 6, described online ash discharging gear 10 comprises ash-storing bin 11 and star-shaped dust-discharging valve 12, ashes after fuel combustion can be got rid of by this online ash discharging gear 10 uniformly continous, avoid the burning deposition of ground ashes in burner hearth and manually ash discharge behavior frequently, described stove seat 2 comprises furnace wall 3 and burner hearth 4, it is peripheral that described furnace wall 3 is arranged on burner hearth 4, described furnace wall 3 comprises refractory brick 26 and insulation material 27, there is in described burner hearth 4 face arch 8 and rear arch 9, in order to ensure the ignition temperature in burner hearth, improve the combustion rate of fuel, described feed arrangement comprises hopper 13, biological particles feeding coal adjusting device 14, water-cooled coal gate 15 and fire grate 16, described fire grate 16 is arranged in burner hearth 4, and have one end projection, described fire grate 16 is in order to transporting biomass granular fuel, described hopper 13 is arranged on the end that described fire grate 16 protrudes burner hearth 4 part, described biological particles feeding coal adjusting device 14 is arranged on the inner feed opening position of hopper 13, biomass granule fuel enters from hopper 13, and by biological particles feeding coal adjusting device 14 according to the inlet amount in burner hearth needed for the adjustment of Actual combustion situation, the efficiency of combustion of effective raising fuel, described water-cooled coal gate 15 is arranged on above fire grate 16, the junction of hopper 13 and burner hearth 4, as shown in Figure 4 and Figure 5, described water-cooled coal gate 15 comprises housing 29, hanger 30, first water inlet pipe 31, first outlet pipe 32, cooling coil 33, second water inlet pipe 36, second outlet pipe 28, reinforcement 34 and flame retardant coating 35, described hanger 30 is arranged on the upper surface of housing 29, it is inner that described reinforcement 34 is disposed in an evenly spaced relation in housing 29, the first described water inlet pipe 31 is connected to cooling coil 33 by the water inlet pipe mouth on housing 29, the first described outlet pipe 32 is connected to cooling coil 33 by the effluent pipe mouth on housing 29, described cooling coil 33 lower surface is close to housing 29 inner bottom surface and is arranged, cooling fluid enters cooling coil 33 via the first water inlet pipe 31, cooling coil 33 by with housing 29 bottom heat exchange take away partial heat, cooling fluid flows out via the first outlet pipe 32 again, and constantly circulate, reach the effect that housing 29 is lowered the temperature, described flame retardant coating 35 is arranged on the side of described housing 29 towards burner hearth 4, can effectively prevent housing 29 from causing the damage of ground housing 29 because temperature is too high towards the one side of burner hearth, the second described water inlet pipe 36 is arranged on the bottom of housing 29 side, the second described outlet pipe 28 is arranged on the top of housing 29 side, current flow into housing by the second water inlet pipe 36, and flow out from the second outlet pipe 28, whole housing 29 is made to become a cooling water tank, and described water-cooled coal gate 15 can also by the difference of opening degree, control the thickness of the biomass granule fuel entered on the fire grate 16 of burner hearth 4, improve the efficiency of combustion of fuel, and also there is the safety guarantee effect of prevention fuel tempering, described fume emission treatment system comprises air preheater 23, multi-tube dust cleaner 18, air-introduced machine 19, sack cleaner 20 and chimney 17, from boiler 1 outlet flue, be disposed with air preheater 23, multi-tube dust cleaner 18, air-introduced machine 19, sack cleaner 20 and chimney 17 by pipeline, described air preheater 23 is arranged on boiler 1 outlet flue with outside the pipeline be connected between multi-tube dust cleaner 18, described air-supply arrangement comprises air blast 21, overfire air fan 22, air outlet 24 and secondary blast mouth 25, described air blast 21 is connected to the entrance of air preheater 23, described overfire air fan 22 is connected to air preheater 23 and is exported in the lateral of air outlet 24 pipeline, and be connected to secondary blast mouth 25 by this pipeline, described secondary blast mouth 25 is arranged on edge under burner hearth 4 top, the air blasted by air blast 21 is through air preheater 23 and exiting flue gas generation heat exchange, complete preheating, then via ventilation shaft, enter in burner hearth from air outlet 24 and secondary blast mouth 25 respectively, burning for fuel provides sufficient and the air of proper temperature, and compared to prior art, setting position higher secondary blast mouth 25 makes the contact surface of provided air and combustion flame larger, can effectively improve ignition temperature and efficiency of combustion.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to right.

Claims (6)

1. an organic biomass heat carrier reheat furnace system, it is characterized in that: described organic biomass heat carrier reheat furnace system comprises boiler, feed arrangement, air-supply arrangement and fume emission treatment system, described feed arrangement is arranged on the feed end of boiler, described air-supply arrangement is connected to boiler internal by pipeline, and described fume emission treatment system is connected with the outlet flue of boiler, described boiler comprises body of heater (1) and stove seat (2), described body of heater (1) is arranged on stove seat (2) top, described body of heater (1) is less than the width of stove seat (2) on width, described body of heater (1) is greater than the length of stove seat (2) in length, and have one section of protrusion stove seat (2) part, described body of heater (1) inside has radiant section tube bank (5) and convection section tube bank (6), described stove seat (2) comprises furnace wall (3) and burner hearth (4), it is peripheral that described furnace wall (3) is arranged on burner hearth (4), described radiant section tube bank (5) is arranged on directly over burner hearth (4), described convection section tube bank (6) is arranged on the part that body of heater (1) protrudes stove seat (2).
2. a kind of organic biomass heat carrier reheat furnace system according to claim 1, it is characterized in that: described furnace wall (3) comprises refractory brick (26) and insulation material (27), there is in described burner hearth (4) face arch (8) and rear arch (9), described body of heater (1) internal convection section also has dividing plate (7), described dividing plate (7) has four pieces, the first dividing plate (71) respectively, second partition (72), 3rd dividing plate (73) and the 4th dividing plate (74), described first dividing plate (71), second partition (72), 3rd dividing plate (73) and the 4th dividing plate (74) are arranged between the space of convection section tube bank (6), the setting of described dividing plate (7) is not exclusively to be closed, the space that it stayed makes body of heater (1) internal convection section part form an exhaust gases passes, described boiler body also has online ash discharging gear (10), described online ash discharging gear (10) is arranged on the below of convection section tube bank (6), described online ash discharging gear (10) comprises ash-storing bin (11) and star-shaped dust-discharging valve (12).
3. described a kind of organic biomass heat carrier reheat furnace system according to claim 1, it is characterized in that: described feed arrangement comprises hopper (13), biological particles feeding coal adjusting device (14), water-cooled coal gate (15) and fire grate (16), described fire grate (16) is arranged in burner hearth (4), and have one end projection, described hopper (13) is arranged on the end that described fire grate (16) protrudes burner hearth (4) part, described biological particles feeding coal adjusting device (14) is arranged on the inner feed opening position of hopper (13), described water-cooled coal gate (15) is arranged on fire grate (16) top, the junction of hopper (13) and burner hearth (4).
4. a kind of organic biomass heat carrier reheat furnace system according to claim 1, it is characterized in that: described water-cooled coal gate (15) comprises housing (29), hanger (30), first water inlet pipe (31), first outlet pipe (32), cooling coil (33), second water inlet pipe (36), second outlet pipe (28), reinforcement (34) and flame retardant coating (35), described hanger (30) is arranged on the upper surface of housing (29), it is inner that described reinforcement (34) is disposed in an evenly spaced relation in housing (29), described the first water inlet pipe (31) is connected to cooling coil (33) by the water inlet pipe mouth on housing (29), described the first outlet pipe (32) is connected to cooling coil (33) by the effluent pipe mouth on housing (29), described cooling coil (33) lower surface is close to housing (29) inner bottom surface and is arranged, described flame retardant coating (35) is arranged on the side of described housing (29) towards burner hearth (4), described the second water inlet pipe (36) is arranged on the bottom of housing (29) side, described the second outlet pipe (28) is arranged on the top of housing (29) side.
5. a kind of organic biomass heat carrier reheat furnace system according to claim 1, it is characterized in that: described fume emission treatment system comprises air preheater (23), multi-tube dust cleaner (18), air-introduced machine (19), sack cleaner (20) and chimney (17), from boiler (1) outlet flue, air preheater (23) is disposed with by pipeline, multi-tube dust cleaner (18), air-introduced machine (19), sack cleaner (20) and chimney (17), described air preheater (23) is arranged on outside the pipeline that is connected between boiler (1) outlet flue with multi-tube dust cleaner (18).
6. a kind of organic biomass heat carrier reheat furnace system according to claim 1, it is characterized in that: described air-supply arrangement comprises air blast (21), overfire air fan (22), air outlet (24) and secondary blast mouth (25), described air blast (21) is connected to the entrance of air preheater (23), described overfire air fan (22) is connected to air preheater (23) and is exported in the lateral of air outlet (24) pipeline, and by this pipeline connecting secondary air outlet (25), described secondary blast mouth (25) is arranged on edge under burner hearth (4) top.
CN201510388966.1A 2015-07-03 2015-07-03 Biomass organic heat carrier heating furnace system Pending CN104964448A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108506918A (en) * 2018-06-06 2018-09-07 武汉蓝颖新能源有限公司 A kind of biomass combustion heating cycle system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11159884A (en) * 1997-11-28 1999-06-15 Mitsubishi Electric Corp Heat accumulator
CN201593799U (en) * 2009-12-25 2010-09-29 山东华源锅炉有限公司 Novel water-cooled coal gate
CN201748644U (en) * 2010-08-12 2011-02-16 广州迪森热能技术股份有限公司 Biomass organic heat carrier furnace
CN204345623U (en) * 2014-12-01 2015-05-20 广州迪森热能技术股份有限公司 Biomass recirculating fluidized bed boiler heating system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11159884A (en) * 1997-11-28 1999-06-15 Mitsubishi Electric Corp Heat accumulator
CN201593799U (en) * 2009-12-25 2010-09-29 山东华源锅炉有限公司 Novel water-cooled coal gate
CN201748644U (en) * 2010-08-12 2011-02-16 广州迪森热能技术股份有限公司 Biomass organic heat carrier furnace
CN204345623U (en) * 2014-12-01 2015-05-20 广州迪森热能技术股份有限公司 Biomass recirculating fluidized bed boiler heating system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108506918A (en) * 2018-06-06 2018-09-07 武汉蓝颖新能源有限公司 A kind of biomass combustion heating cycle system

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Application publication date: 20151007