CN2404015Y - Efficient heat-storage industrial furnace - Google Patents
Efficient heat-storage industrial furnace Download PDFInfo
- Publication number
- CN2404015Y CN2404015Y CN00200735U CN00200735U CN2404015Y CN 2404015 Y CN2404015 Y CN 2404015Y CN 00200735 U CN00200735 U CN 00200735U CN 00200735 U CN00200735 U CN 00200735U CN 2404015 Y CN2404015 Y CN 2404015Y
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- CN
- China
- Prior art keywords
- heat storage
- furnace
- combustion
- storage tank
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005338 heat storage Methods 0.000 title claims abstract description 63
- 238000002485 combustion reaction Methods 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims abstract description 17
- 239000000446 fuel Substances 0.000 claims abstract description 15
- 239000000567 combustion gas Substances 0.000 claims description 19
- 238000009825 accumulation Methods 0.000 claims description 8
- 230000001413 cellular effect Effects 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 abstract description 6
- 239000003517 fume Substances 0.000 abstract 3
- 230000007246 mechanism Effects 0.000 abstract 1
- 239000000779 smoke Substances 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Air Supply (AREA)
Abstract
The utility model relates to an efficient heat-storage industrial furnace. At least one pair of heat storage slots are arranged on the lower part of both sides of the furnace body along the direction of furnace walls. The lower parts of the heat storage slots are a combustion-supporting air channel and a fume exhaust channel, the middle parts of the heat storage slots are filled with heat storage bodies and the upper parts of the heat storage slots are open top type fuel mixing combustion slots. Two outside of the combustion slots is provided with at least one pair of gas or fuel oil nozzles, the gas or the fuel oil is mixed with the combustion-supporting air for combustion in the combustion slots, and surface type combustion fire curtains are formed above the openings of the combustion slots along the direction of the furnace walls. The combustion-supporting air channel and the fume exhaust channel on both sides, and pipelines of the gas or fuel oil nozzles are externally connected with reversing mechanisms. Thus, the heat storage slots on both sides respectively and alternatively preheat the air or store heat for the fume exhaust and the fire curtains which are alternatively generated on both sides flow to the other side.
Description
The utility model belongs to afterheat recovery type industrial furnace, particularly cell-type and car tunnel furnace.
The cell-type of prior art and tunnel type industrial furnace, gather in body of heater two outsides combustion gas or oil burner, the nearly furnace wall lower inside in burner hearth is provided with exhaust smoke hole, and exhaust smoke hole connects smokejack.Its duty is a both sides burner jet flames in burner hearth simultaneously, and flue gas is discharged burner hearth by the exhaust smoke hole of nearly furnace wall inboard.The shortcoming that exists at first is that flame combustion is inhomogeneous, and the Temperature Distribution in stove is also inhomogeneous, and the burner hearth each point temperature difference is bigger; Next be a large amount of calory burning along with flue gas is discharged, cause the waste of the energy.
The purpose of this utility model is to propose a kind of high-efficiency heat-accumulating industrial furnace technical scheme, utilizes smoke pre-heating with energy savings, and flame is evenly burnt, and temperature evenly distributes in stove.
High-efficiency heat-accumulating industrial furnace of the present utility model, comprise body of heater, the combustion air pipeline, combustion gas or fuel passage, along the furnace wall direction a pair of heat storage tank is set at least at body of heater two side lower parts, the heat storage tank bottom is combustion air passage/discharge flue, heat storage is filled at the heat storage tank middle part, heat storage tank top is the fuel mix burning groove of open top formula, two outer side edges of burning groove are arranged at least one pair of combustion gas or fuel nozzle are set, the mixed combustion in burning groove of combustion gas or fuel oil and combustion air, above the burning notch along furnace wall longitudinally the furnace superintendent direction form the burning fire screen of face formula; Combustion air passage/the discharge flue of both sides and combustion gas or the external changement of oil burner pipeline make heat storage tank alternately preheated air or the accumulation of heat smoke evacuation respectively of both sides, and the fire curtain that both sides are alternately produced flow to other side.When adopting combustion gas to do fuel, can along the furnace wall direction two pairs of heat storage tanks be set at body of heater two side lower parts, the mixed combustion groove on two heat storage tank tops of body of heater homonymy is shared burning groove, the blast tube that the gas nozzle that is provided with is arranged on a pair of heat storage tank bottom of the body of heater both sides that are placed in is arranged in burning groove two outsides on heat storage tank top, and another bottom to the heat storage tank of the body of heater both sides that are placed in is the combustion air passage; Combustion air passage and blast tube also are discharge flue in the accumulation of heat cycle.The heat storage that fill at the utility model heat storage tank middle part is spherical or cellular, heat storage support in its underpart by heat-resistant net and with the gas passage of heat storage tank bottom at interval, the gas communication gap is arranged in heat-resistant net and heat storage.Industrial furnace of the present utility model, the type of furnace can be bell furnaces; The type of furnace also can be a bogie furnace; The type of furnace also can be a walking beam furnace; The type of furnace can also be that continous way is rolled end formula stove or steel-pushing type stove.
The utlity model has outstanding substantive distinguishing features and be to be provided with heat storage tank, can form the fire curtain of face formula in body of heater inside; The external side of industrial furnace of the present utility model does not have the burner of prior art, the exhaust smoke hole that does not yet set up in the stove; The combustion air passage of body of heater of the present utility model both sides and combustion gas or the external exchange system of fuel passage, accumulation of heat and warm-up combustion-supporting air and combustion gas work hocket.
The utility model obvious improvement is that at first the heat that fuel combustion produces is fully utilized in the preheating of air and combustion gas through heat storage tank, and the flue-gas temperature of discharging through regenerator can be reduced to below 150 ℃, significantly energy savings; Secondly, the burning groove of both sides alternately produces the fire curtain of face formula in stove, and fire curtain and alternating current make uniformity of temperature profile in the stove to other side.
Embodiment of the present utility model is as shown in drawings:
Accompanying drawing 1 is the car-type industrial furnace schematic cross section that the utility model is provided with a pair of heat storage tank;
Accompanying drawing 2 is bell-type industrial furnace schematic cross section that the utility model is provided with two pairs of heat storage tanks.
Number in the figure is represented:
1, material, 2, body of heater, 3, burning groove, 4, heat storage, 5, air duct/smoke discharging pipe, 6, gas pipeline/smoke discharging pipe, 7, burner, 8, changement, 9, air blast, 10, air-introduced machine.
Accompanying drawing is specified the utility model in conjunction with the embodiments:
One of embodiment of high-efficiency heat-accumulating industrial furnace of the present utility model as shown in Figure 1, comprise body of heater 2, combustion air passage 5, gas pipeline 6, combustion gas or oil burner 7, along the furnace wall direction a pair of heat storage tank is set at least at 2 liang of side lower parts of body of heater, the heat storage tank bottom is combustion air passage/discharge flue 5, heat storage 4 is filled at the heat storage tank middle part, heat storage tank top is the fuel mix burning groove 3 of open top formula, two outer side edges of burning groove 3 are arranged at least one pair of combustion gas or fuel nozzle 7 are set, the mixed combustion in burning groove 3 of combustion gas or fuel oil and combustion air, above the burning notch along the burning fire screen of furnace wall direction formation face formula; The external changement 8 of the combustion air passage/discharge flue of both sides and combustion gas or fuel channel make heat storage tank alternately preheated air or the accumulation of heat smoke evacuation respectively of both sides, and the fire curtain that both sides burning groove 3 is alternately produced flows to other side.
Embodiment of the present utility model two as shown in Figure 2, when adopting combustion gas to do fuel, can along the furnace wall direction two pairs of heat storage tanks be set at 2 liang of side lower parts of body of heater, the mixed combustion groove on two heat storage tank tops of body of heater homonymy is shared burning groove 3,3 liang of outer side edges of the burning groove on heat storage tank top are arranged the blast tube 6 that the gas nozzle that is provided with is arranged on a pair of heat storage tank bottom of the body of heater both sides that are placed in, and another bottom to the heat storage tank of the body of heater both sides that are placed in is a combustion air passage 5; Combustion air passage 5 and blast tube 6 also are discharge flue in the accumulation of heat cycle.The heat storage 4 that fill at the utility model heat storage tank middle part is spherical or cellular, to obtain bigger heat exchange surface area; The heat storage bottom is supported in its underpart with heat-resisting filter and is spaced apart with the gas passage of heat storage tank bottom, the similar fire grate of heat-resistant net, and not concrete demonstration the among the figure, but can imagine at an easy rate according to this explanation; The gas communication gap is arranged in heat-resistant net and heat storage, gas in its below air duct and blast tube and the hot flue gas in the burner hearth are passed at an easy rate, and carry out heat exchange with heat storage 4.
The utility model is divided into A, B two states in working order the time, is controlled by changement.As shown in Figure 1, when A condition, air blast 9 makes air enter left side air duct 5 through changement 8, after heat storage 4 preheatings in left side burning groove 3 with combustion gas that enters through burner 7 or fuel oil mixed combustion, and burning groove 3 exits formation face formula fire curtain adds thermal material 1 equably in burner hearth after, flowing to the right side, flue gas enters the burning groove 3 on right side, after giving heat storage 4 accumulation of heats, discharge out of the furnace through right side discharge flue 5, introduced chimney through changement 8 by air-introduced machine 10 and discharge; Gas flow is opposite when the B state.As shown in Figure 2, when A condition, after air blast 9 makes air and combustion gas enter heat storage 4 preheatings through passage 5 and passage 6 respectively, enter mixed combustion in the burning groove 3 again, in burner hearth, form the burning groove 3 that face formula fire curtain evenly adds other side of flowing through behind the thermal material 1 and enter heat storage 4 accumulation of heats, arrive the outer changement 8 of stove through passage 5 and 6 again, introduced chimneys by air-introduced machine 10 and discharge.Gas flow is opposite during the B state.
Industrial furnace of the present utility model, the type of furnace can be a bell furnace as shown in Figure 2; The type of furnace can be a bogie furnace as shown in Figure 1 also; The type of furnace also can be the continous way walking beam furnace; The type of furnace can also be that continous way is rolled end formula stove or steel-pushing type stove.
Claims (8)
1, a kind of high-efficiency heat-accumulating industrial furnace, comprise body of heater, combustion air pipeline, combustion gas or fuel passage, it is characterized in that along the furnace wall direction a pair of heat storage tank being set at least at body of heater two side lower parts, the heat storage tank bottom is combustion air passage/discharge flue, heat storage is filled at the heat storage tank middle part, heat storage tank top is the fuel mix burning groove of open top formula, and two outer side edges of burning groove are arranged at least one pair of combustion gas or fuel nozzle are set; The combustion air passage of both sides and combustion gas or the external exchange system of fuel channel.
2, industrial furnace as claimed in claim 1, it is characterized in that along the furnace wall direction two pairs of heat storage tanks being set at body of heater two side lower parts, the burning groove on two heat storage tank tops of body of heater homonymy is shared burning groove, the blast tube that the gas nozzle that is provided with is arranged on a pair of heat storage tank bottom of the body of heater both sides that are placed in is arranged in described burning groove two outsides, and blast tube and combustion air passage also are discharge flue in the accumulation of heat cycle.
3, industrial furnace as claimed in claim 1 or 2, it is characterized in that the heat storage that fill at the heat storage tank middle part is spherical or cellular, heat storage support in its underpart by heat-resistant net and with the gas passage of heat storage tank bottom at interval, the gas communication gap is arranged in heat-resistant net and heat storage.
4, industrial furnace as claimed in claim 1 or 2 is characterized in that the type of furnace is a bell furnace.
5, industrial furnace as claimed in claim 1 or 2 is characterized in that the type of furnace is a bogie furnace.
6, industrial furnace as claimed in claim 1 or 2 is characterized in that the type of furnace is the continous way walking beam furnace.
7, industrial furnace as claimed in claim 1 or 2 is characterized in that the type of furnace is that continous way is rolled end formula stove.
8, industrial furnace as claimed in claim 1 or 2 is characterized in that the type of furnace is a continous way steel-pushing type stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00200735U CN2404015Y (en) | 2000-01-25 | 2000-01-25 | Efficient heat-storage industrial furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00200735U CN2404015Y (en) | 2000-01-25 | 2000-01-25 | Efficient heat-storage industrial furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2404015Y true CN2404015Y (en) | 2000-11-01 |
Family
ID=33570130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00200735U Expired - Fee Related CN2404015Y (en) | 2000-01-25 | 2000-01-25 | Efficient heat-storage industrial furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2404015Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115312A (en) * | 2015-09-29 | 2015-12-02 | 吴庆华 | Method for utilizing kiln flue gas to perform secondary mixed combustion |
-
2000
- 2000-01-25 CN CN00200735U patent/CN2404015Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115312A (en) * | 2015-09-29 | 2015-12-02 | 吴庆华 | Method for utilizing kiln flue gas to perform secondary mixed combustion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIDAONENGYUAN COMPANY, NO. 1, GUANZHUANG TOWNSHIP Free format text: FORMER NAME OR ADDRESS: 100029 ROME GARDEN, HUIXIN WEST STREET, CHAOYANG DISTRICT, BEIJING A-106 |
|
| CP03 | Change of name, title or address |
Patentee address after: 100024 North Island energy company, No. 1, Guanzhuang Township, Chaoyang District, Beijing Patentee address before: 100029, Chaoyang District, Beijing new West Street, Rome garden A-106 |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |