CN201916893U - Internal division type mix combustion furnace - Google Patents
Internal division type mix combustion furnace Download PDFInfo
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- CN201916893U CN201916893U CN2010206508240U CN201020650824U CN201916893U CN 201916893 U CN201916893 U CN 201916893U CN 2010206508240 U CN2010206508240 U CN 2010206508240U CN 201020650824 U CN201020650824 U CN 201020650824U CN 201916893 U CN201916893 U CN 201916893U
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- furnace
- burner
- cyclone dust
- combustion chamber
- combustion furnace
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Abstract
The utility model relates to an internal division type mix combustion furnace which comprises a primary combustion furnace and a secondary combustion furnace that are arranged side by side, wherein the bottom of the primary combustion furnace is provided with an air chamber, the upper end surface of the air chamber is provided with a wind distributing plate which is uniformly provided with air caps, a plurality of water tubes which constitute a water circulation together with the externality are vertically or obliquely arranged in a bunkercoal area at the middle upper part of the hearth of the primary furnace, a mix combustor is arranged at a smoke inlet on the side wall at the middle lower part of the primary furnace, the secondary furnace comprises a secondary combustion chamber and a cyclone dust collector in the secondary combustion chamber, the cyclone dust collector and the secondary combustion chamber are separated in a sealing manner by the peripheral furnace wall of the cyclone dust collector, only the center of a spiral cylinder in the cyclone dust collector is communicated with the secondary combustion chamber, the upper part of the primary combustion chamber is in tangential communication with the cyclone dust collector in the secondary combustion furnace through a smoke channel, the side wall of the secondary combustion furnace is provided with a hot gas outlet, and bottom ends of the secondary combustion chamber and the cyclone dust collector are respectively provided with an ash dropping opening. The internal division type mix combustion furnace is low in construction cost, can be used for combusting coal cinder and waste gas, can conduct dust collection on particles in burned high temperature smoke with dust in the cyclone dust collector and the secondary combustion chamber for two times, can separate coal ash particles in the dusty smoke to a maximum extent, and has good combustion effect.
Description
Technical field
The utility model relates to a kind of interior somatotype mixed combustion furnace.
Background technology
In two section combustion furnaces and mixed combustion furnace of chemical fields such as fixed bed semiwater gas, have a kind of combustion furnace that two kinds of forms are arranged when supporting horizontal boiler, a kind of fuel gas buring stove burning back from top through after rising from central tube behind the cyclone dust collectors again the flue outside combustion furnace drop to steam generator system; Another kind of fuel gas buring stove burning back is a combustion furnace to steam generator system again after descending through another combustion furnace from top.First kind of flue gas ash removal effect is better, but cost is higher, flue gas is revealed easily and service life is lower because of flow process complexity, flue cause more greatly.Though second kind of cost is low because of flue gas without cyclone dust removal, dust content is more, and is bigger to the steam generator system wearing and tearing.
Summary of the invention
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of construction cost low, can at utmost separate coal ash particle and the good interior somatotype mixed combustion furnace of combustion efficiency in the ash-laden gas.
The technical scheme that its technical problem that solves the utility model adopts is: somatotype mixed combustion furnace in a kind of, it is characterized in that: comprise the main burner and the secondary burner that are arranged side by side, main burner bottom is provided with air compartment, the upper surface of air compartment is an air distribution plate, be evenly equipped with blast cap on the air distribution plate, the fire coal district of main burner burner hearth middle and upper part is vertical or be obliquely installed many and constitute the water pipes that water circulates with extraneous, the mouth place of advancing on the sidewall of main burner middle and lower part is provided with mixed burner, secondary burner comprises subsidiary combustion chamber and is arranged in the cyclone dust collectors of subsidiary combustion chamber, cyclone dust collectors separate by its peripheral furnace wall and subsidiary combustion chamber sealing, in the cyclone dust collectors only the center of spiral tube communicate with subsidiary combustion chamber, main burner top tangentially is communicated with cyclone dust collectors in the secondary burner through flue, secondary burner side is provided with heat outlet, and subsidiary combustion chamber and cyclone dust collectors bottom all are provided with ash port.
The furnace wall of described main burner and secondary burner and the sidewall of flue are provided with three layers from the inside to surface: the shell that flame retardant coating, heat-insulation layer and steel plate are made.Wherein, heat-insulation layer comprises the hard insulating brick of outer field soft insulation quilt and internal layer.Outermost layer is the shell that steel plate is made, and plays a supportive role; Side towards the fire is flame retardant coating (being refractory brick), plays effect fire-resistant, thermal resistance; The centre is hard insulating brick and soft insulation quilt, plays insulation effect, prevents the loss of heat.
In order to guarantee safety, on the top of main burner, secondary burner and lower sides, be equipped with venting.
The air compartment of described main burner is provided with the air inlet of connecting air blast, and coal-fired district is provided with the mechanical coal feeder mouth.Coal, the waste residue of feeder being discharged by the mechanical coal feeder mouth feed in the main burner and burn.
Many water pipes and level that the fire coal district of described main burner is obliquely installed are 20 °～45 ° angles, and every water pipe all constitutes the water circulation with extraneous, is used to reduce chamber temperature, prevents coking.
The furnace roof profile of main burner and secondary burner is truncated cone-shaped or cylindrical.
Described cyclone dust collectors are device conventional or that can realize, its operation principle all communicates with prior art with process, i.e. turning effort by the spiral tube is rotated the ash-laden gas that enters in the cyclone dust collectors, particle in the ash-laden gas is separated from air-flow and discharge from ash port under the gravity effect by means of centrifugal force, the gas in the ash-laden gas then enters further burning in the secondary burner by spiral tube center.
Operation principle and process:
Coal, waste residue feeds in the main burner by the mechanical coal feeder mouth, main burner is used for reference the fluidized bed furnace structure, the bottom promptly is solid-state combustion zones such as waste residue, the wind of an air blast is after the air compartment buffering, enter boiling section through blast cap and air distribution plate, with coal from feeder, waste residue burns, gas fume after burning rises, with the blowing-out gas and the further mixed combustion of AIR MIXTURES that come from mixed burner, the venting if speed, then burn through entering main burner by shower nozzle behind the air distribution, because the space, fire coal district of main burner inside is bigger, make coal or cinder be able to abundant burning, the autonomous burner top side of ash-laden gas in main burner after the burning goes out, and enter cyclone dust collectors from secondary burner side by flue, particle in the ash-laden gas is discharged through the ash port of cyclone dust collectors bottom, flue gas after the dedusting enters subsidiary combustion chamber and further burns back descending from spiral tube center, in the descending process, the further sedimentation of dust, discharge by ash port, high-temperature flue gas after the purification enters heat reclaim unit from the heat outlet of secondary burner, carries out heat recovery.
The beneficial effect that the utility model had is: a kind of interior somatotype mixed combustion furnace is provided, cinder, waste gas can burn, and the particle in the high temperature dust flue gas after will burning carries out twice dedusting in cyclone dust collectors and subsidiary combustion chamber, and ash-laden gas is when separating in cyclone dust collectors, change the flue gas trend several times, increased the turbulent flow of flue gas at combustion furnace, flue gas is further burning in flowing, thereby has strengthened combustion efficiency greatly; Because cyclone dust collectors are arranged in the combustion furnace, have reduced insulation material and passive shell, have saved engineering cost; High-temperature flue gas after the burning is transported to heat reclaim unit from heat outlet, carries out heat recovery, thereby can reclaim heat better, reduce environmental pollution, reaches the purpose that reduces investment and increase benefit.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing at I position among Fig. 1.
Among the figure: 1, air inlet; 2, air compartment; 3, mechanical coal feeder mouth; 4, water pipe; 5, main burner; 6, advance mouth; 7, venting; 8, flue; 9, secondary burner; 10, subsidiary combustion chamber; 11, spiral tube; 12, cyclone dust collectors; 13, furnace wall; 14, heat outlet; 15, ash port; 16, air distribution plate; 17, blast cap
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
As shown in Figure 1, interior somatotype mixed combustion furnace comprises main burner 5 and the secondary burner 9 that is arranged side by side, main burner 5 bottoms are provided with air compartment 2, the upper surface of air compartment 2 is an air distribution plate 16, be evenly equipped with blast cap 17 on the air distribution plate 16, the fire coal district of main burner 5 burner hearth middle and upper parts is vertical or be obliquely installed many and constitute the water pipes 4 that water circulates with extraneous, mouth 6 places of advancing on the main burner 5 middle and lower part sidewalls are provided with mixed burner, secondary burner 9 comprises subsidiary combustion chamber 10 and is arranged in the cyclone dust collectors 12 of subsidiary combustion chamber 10, cyclone dust collectors 12 separate by its peripheral furnace wall 13 and subsidiary combustion chamber 10 sealings, in the cyclone dust collectors 12 only the center of spiral tube 11 communicate with subsidiary combustion chamber 10, main burner 5 tops tangentially are communicated with cyclone dust collectors 12 in the secondary burner 9 through flue 8, secondary burner 9 sides are provided with heat outlet 14, and subsidiary combustion chamber 10 and cyclone dust collectors 12 bottoms all are provided with ash port 15.
The furnace wall of described main burner 5 and secondary burner 9 and the sidewall of flue 8 are provided with three layers from the inside to surface: the shell that flame retardant coating, heat-insulation layer and steel plate are made.Wherein, heat-insulation layer comprises the hard insulating brick of outer field soft insulation quilt and internal layer.Outermost layer is the shell that steel plate is made, and plays a supportive role; Side towards the fire is flame retardant coating (being refractory brick), plays effect fire-resistant, thermal resistance; The centre is hard insulating brick and soft insulation quilt, plays insulation effect, prevents the loss of heat.
In order to guarantee safety, on the top of main burner 5, secondary burner 9 and lower sides, be equipped with venting 7.
The air compartment 2 of described main burner 5 is provided with the air inlet 1 of connecting air blast, and coal-fired district is provided with mechanical coal feeder mouth 3.Coal, the waste residue of feeder being discharged by mechanical coal feeder mouth 3 feed in the main burner 5 and burn.
The furnace roof profile of main burner 5 and secondary burner 9 is truncated cone-shaped or cylindrical.
Described cyclone dust collectors 12 are device conventional or that can realize, its operation principle all communicates with prior art with process, i.e. turning effort by spiral tube 11 is rotated the ash-laden gas that enters in the cyclone dust collectors 12, particle in the ash-laden gas is separated from air-flow and discharge from ash port 15 under the gravity effect by means of centrifugal force, the gas in the ash-laden gas then enters further burning in the secondary burner 9 by spiral tube 11 centers.
Operation principle and process:
Coal, waste residue feeds in the main burner 5 by mechanical coal feeder mouth 3, main burner 5 is used for reference the fluidized bed furnace structure, the bottom promptly is solid-state combustion zones such as waste residue, the wind of an air blast is after air compartment 2 bufferings, enter boiling section through blast cap 17 and air distribution plate 16, with coal from feeder, waste residue burns, gas fume after burning rises, with the blowing-out gas and the further mixed combustion of AIR MIXTURES that come from mixed burner, the venting if speed, then burn through entering main burner 5 by shower nozzle behind the air distribution, because the space, fire coal district of main burner 5 inside is bigger, make coal or cinder be able to abundant burning, the autonomous burner top side of ash-laden gas in main burner 5 after the burning goes out, and enter cyclone dust collectors 12 from secondary burner 9 sides by flue 8, particle in the ash-laden gas is discharged through the ash port 15 of cyclone dust collectors 12 bottoms, flue gas after the dedusting enters subsidiary combustion chamber 10, and further the burning back is descending from spiral tube 11 centers, in the descending process, the further sedimentation of dust, discharge by ash port 15, high-temperature flue gas after the purification enters heat reclaim unit from the heat outlet 14 of secondary burner 9, carries out heat recovery.
Through appraising and deciding, subsidiary combustion chamber 10 outlets measure imflammable gas, and combustion rate improves 8～10% than ordinary combustion stove, the reduction 60mmH of this combustion furnace resistance ratios ordinary combustion stove
2O.In addition, the cost through adjusting this combustion furnace reduces more than 10% than the cost of other equal effect combustion furnace.
Claims (7)
1. somatotype mixed combustion furnace in a kind, it is characterized in that: comprise the main burner and the secondary burner that are arranged side by side, main burner bottom is provided with air compartment, the upper surface of air compartment is an air distribution plate, be evenly equipped with blast cap on the air distribution plate, the fire coal district of main burner burner hearth middle and upper part is vertical or be obliquely installed many and constitute the water pipes that water circulates with extraneous, the mouth place of advancing on the sidewall of main burner middle and lower part is provided with mixed burner, secondary burner comprises subsidiary combustion chamber and is arranged in the cyclone dust collectors of subsidiary combustion chamber, cyclone dust collectors separate by its peripheral furnace wall and subsidiary combustion chamber sealing, in the cyclone dust collectors only the center of spiral tube communicate with subsidiary combustion chamber, main burner top tangentially is communicated with cyclone dust collectors in the secondary burner through flue, secondary burner side is provided with heat outlet, and subsidiary combustion chamber and cyclone dust collectors bottom all are provided with ash port.
2. somatotype mixed combustion furnace in according to claim 1, it is characterized in that: the furnace wall of described main burner and secondary burner and the sidewall of flue are provided with three layers from the inside to surface: the shell that flame retardant coating, heat-insulation layer and steel plate are made.
3. somatotype mixed combustion furnace in according to claim 2, it is characterized in that: described heat-insulation layer comprises the hard insulating brick of outer field soft insulation quilt and internal layer.
4. somatotype mixed combustion furnace in according to claim 1 and 2 is characterized in that: be equipped with venting on the top of described main burner, secondary burner and the lower sides.
5. somatotype mixed combustion furnace in according to claim 1 is characterized in that: the air compartment of described main burner is provided with the air inlet of connecting air blast, and coal-fired district is provided with the mechanical coal feeder mouth.
6. somatotype mixed combustion furnace in according to claim 1 is characterized in that: many water pipes and level that the fire coal district of described main burner is obliquely installed are 20 °～45 ° angles.
7. somatotype mixed combustion furnace in according to claim 1, it is characterized in that: the furnace roof profile of main burner and secondary burner is truncated cone-shaped or cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206508240U CN201916893U (en) | 2010-12-09 | 2010-12-09 | Internal division type mix combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206508240U CN201916893U (en) | 2010-12-09 | 2010-12-09 | Internal division type mix combustion furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201916893U true CN201916893U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206508240U Expired - Lifetime CN201916893U (en) | 2010-12-09 | 2010-12-09 | Internal division type mix combustion furnace |
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| Country | Link |
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| CN (1) | CN201916893U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305465A (en) * | 2011-09-22 | 2012-01-04 | 哈尔滨工业大学 | Hot water boiler with inclined reciprocating grate and film-type wall |
| CN109298140A (en) * | 2018-11-15 | 2019-02-01 | 华电电力科学研究院有限公司 | A kind of continuous automatic liming apparatus |
| CN109596774A (en) * | 2018-11-15 | 2019-04-09 | 华电电力科学研究院有限公司 | A kind of automatic liming apparatus |
-
2010
- 2010-12-09 CN CN2010206508240U patent/CN201916893U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305465A (en) * | 2011-09-22 | 2012-01-04 | 哈尔滨工业大学 | Hot water boiler with inclined reciprocating grate and film-type wall |
| CN109298140A (en) * | 2018-11-15 | 2019-02-01 | 华电电力科学研究院有限公司 | A kind of continuous automatic liming apparatus |
| CN109596774A (en) * | 2018-11-15 | 2019-04-09 | 华电电力科学研究院有限公司 | A kind of automatic liming apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190701 Address after: The eighth floor of the main building of the incubator No. 1, Xinxinggu, Jinan Hi-tech Zone, Shandong Province, 250000 Patentee after: Shandong Benzheng Energy Technology Co., Ltd. Address before: 276500 Room 302, Unit 3, Building 4, Subordinate Hospital of Former Fertilizer Factory, 109 Youth North Road, Juxian County, Rizhao City, Shandong Province Patentee before: Yang Futang |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |
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| CX01 | Expiry of patent term |