CN2404085Y - Internal regenerative chamber industrial furnace - Google Patents
Internal regenerative chamber industrial furnace Download PDFInfo
- Publication number
- CN2404085Y CN2404085Y CN 00200458 CN00200458U CN2404085Y CN 2404085 Y CN2404085 Y CN 2404085Y CN 00200458 CN00200458 CN 00200458 CN 00200458 U CN00200458 U CN 00200458U CN 2404085 Y CN2404085 Y CN 2404085Y
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- Prior art keywords
- regenerator
- gas
- furnace
- heat storage
- combustion air
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- Expired - Fee Related
Links
- 230000001172 regenerating effect Effects 0.000 title 1
- 238000005338 heat storage Methods 0.000 claims abstract description 32
- 239000000779 smoke Substances 0.000 claims abstract description 22
- 239000007789 gas Substances 0.000 claims description 37
- 238000002485 combustion reaction Methods 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 11
- 239000003546 flue gas Substances 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 abstract description 3
- 239000003034 coal gas Substances 0.000 description 6
- 239000003517 fume Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000004449 solid propellant Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Air Supply (AREA)
Abstract
The utility model relates to an industrial furnace which is internally provided with heat storage chambers. At least a pair of heat storage chambers is arranged in the furnace wall and / or the furnace bottom of a furnace body in pairs, the upper part and the lower part of each heat storage chamber are gas passages, the middle part of each heat storage chamber is filled with a heat storage body, and gas can passes through an interstice of the heat storage body. The passages on the upper parts of the heat storage chambers are communicated with at least one nozzle which is arranged on the inner side of the furnace wall, and are integrally combined with the furnace body, the passages on the lower parts are communicated with a pipeline of the furnace body. A pipeline on the outer side of the furnace is communicated with at least one set of direction changing mechanisms, wherein, the other sides of which are respectively communicated with a combustion-supporting air pipeline which is connected with a blower and a smoke exhausting pipeline which is connected with a smoke exhausting machine.
Description
The utility model belongs to flue gas waste heat recovery formula industrial furnace.
Adopting heat storage technology to reclaim fume afterheat warm-up combustion-supporting air and coal gas, is the advanced technology of current industrial furnace flue gas waste heat recovery.The regenerator of using in the prior art is arranged on the body of heater outside.Because regenerator must have lagging casing, thereby make the effective volume of placing heat storage in the very large regenerator of volume very little, be difficult to accomplish combustion air and gas double pre-heating, thereby be difficult to the super-low calorific value coal gas that directly burns, be difficult to improve the efficient of UTILIZATION OF VESIDUAL HEAT IN.
The purpose of this utility model is to propose a kind of industrial furnace with built-in heat-storing chamber technical scheme, solve the problem that high efficiency reclaims fume afterheat, and can on high temperature industrial furnace, directly use low calorie fuels, for example blast furnace gas, producer gas, liquid or solid fuel inferior.
Industrial furnace with built-in heat-storing chamber of the present utility model, be to arrange at least one pair of regenerator in the furnace wall of body of heater and/or in the furnace bottom in pairs, upper and lower part in each regenerator is a gas passage, and mid portion is filled heat storage, and gas can pass from the gap of heat storage; Upper channel communicates with at least one spout that is arranged in the furnace wall inboard and becomes one with body of heater; Lower passage and stove Outer Tube link, and stove Outer Tube and at least one cover commutation mechanism link, and the side in addition of changement links with combustion air pipeline, smoke discharging pipe respectively, and the combustion air pipeline links to each other with air blast, and smoke discharging pipe links to each other with induced-draft fan; Regenerator can be divided into warm-up combustion-supporting air regenerator and preheating gas regenerator, can also arrange at least two pairs of aforesaid regenerator in furnace wall and/or in the furnace bottom in pairs, and one is the warm-up combustion-supporting air regenerator, and another is the preheating gas regenerator; The side in addition of changement then links with combustion air pipeline, gas piping and smoke discharging pipe respectively, and the combustion air pipeline links to each other with air blast, and smoke discharging pipe links to each other with induced-draft fan; Two kinds of regenerator can be arranged separately, adopt two cover induced-draft fan systems, and a cover is used to discharge the flue gas of discharging through the warm-up combustion-supporting air regenerator, and another set of being used for discharges through preheating gas regenerator discharged flue gas.The spout to burner hearth in the furnace wall disposed inboard on warm-up combustion-supporting air regenerator and the preheating gas regenerator upper channel can distribute the horizontal interval, or is interspersed, or upper and lower two rows distribute.The heat storage of filling can be spherical ceramic heat storage body in the regenerator, and its diameter is 6-40mm; The heat storage bottom separates with heat-resisting filter and regenerator lower passage.
One of substantive distinguishing features that the utility model is compared with prior art outstanding is that the body of heater to industrial furnace has carried out substantial transformation: 1. regenerator is arranged on body of heater inside, for example is arranged in furnace wall or the furnace bottom, do not account for the outer space of body of heater; 2. type of furnace overall volume compactness is rational in infrastructure, and furnace wall and regenerator can be used the amorphous refractory cast molding, and regenerator and body of heater are become one, makes it to become adiabatic face, into and out of the equal empty calory loss of the gas of regenerator; 3. adopt the residual neat recovering system of forming by regenerator, the inboard spout of furnace wall, stove Outer Tube, changement and smoke discharging pipe to save burner, stove outer heat-exchanger and high-temperature pipe that prior art is used; 4. can the horizontal interval distribute or be interspersed or two rows distribute combustion air and fuel mixed combustion well in stove after making preheating to spout that burner hearth is arranged at warm-up combustion-supporting air regenerator and preheating gas regenerator upper channel place furnace wall medial surface; 5. adopt two cover induced-draft fan systems, one cover is used to discharge the flue gas that gives off through the warm-up combustion-supporting air regenerator, the another set of flue gas that is used to discharge through the discharge of preheating gas regenerator, two cover induced-draft fan systems can pass through free-standing chimney separately or be pooled to a smoke stack emission.
The utility model compared with prior art obvious improvement is to arrange the gas regenerator, in warm-up combustion-supporting air, also coal gas is preheating to 90% of furnace temperature, this temperature of high temperature industrial furnace can reach 1200 ℃, can use low-calorie blast furnace gas to do fuel, fuel savings 40%-70% makes through exhaust gas discharged temperature behind the induced-draft fan to be reduced to below 150 ℃ simultaneously.Use the utility model then to need not preheating section on heater for rolling steel, under Isoquant, the furnace superintendent of more conventional similar heating furnace body shortens 1/4-1/3.
Embodiment of the present utility model is as shown in drawings:
Accompanying drawing 1: the system diagram when the utility model uses on industrial furnace;
Accompanying drawing 2 (I): the utility model regenerator is built in the layout drawing in the furnace wall, accompanying drawing 2 (II): the A-A profile that is accompanying drawing 2 (I);
Accompanying drawing 3: the utility model regenerator is built in the layout drawing in the furnace bottom;
Number in the figure is represented:
1, body of heater, 2, regenerator internal upper part passage, 3, spherical ceramic heat storage body, 4, the regenerator lower passage, 5, the stove Outer Tube, 6, spout, 7, the combustion air pipeline, 8, gas piping, 9, changement, 10, smoke discharging pipe, 11, air blast, 12, air-introduced machine, 13, heating object.
Accompanying drawing is specified the utility model in conjunction with the embodiments:
The utility model industrial furnace with built-in heat-storing chamber body of heater comprises furnace wall, furnace bottom and furnace roof.Furnace wall or at least one pair of regenerator of furnace bottom positioned opposite in the body of heater both sides, regenerator is the inner and shared lagging casing of body of heater at body of heater.Regenerator is made of upper channel 2, heat storage 3 and lower passage 4, can be arranged in the furnace wall with the furnace wall one as shown in Figure 2, or be arranged in the furnace bottom with the furnace bottom one as shown in Figure 3; Spout 6 UNICOMs that arrange on regenerator upper channel 2 and the furnace wall inwall, stove Outer Tube 5 UNICOMs of heat storage lower passage 4 and body of heater outside; Heat storage 3 is spherical ceramic heat storage bodies, separates with heat-resisting filter and lower passage 4.
The regenerator bottom respectively with stove Outer Tube 5 UNICOMs, as shown in Figure 1, stove Outer Tube 5 and at least one cover commutation mechanism 9 link, the side in addition of changement 9 links with combustion air pipeline 7, smoke discharging pipe 10 respectively, combustion air pipeline 7 links to each other with air blast 11, and smoke discharging pipe 10 links to each other with smoke evacuation air-introduced machine 12.When at least two pairs of regenerator of each positioned opposite of body of heater both sides, two regenerator of the same side can be divided into warm-up combustion-supporting air regenerator and preheating gas regenerator, the side in addition of changement then links with combustion air pipeline 7, gas piping 8 and smoke discharging pipe 10 respectively, combustion air pipeline 7 links to each other with air blast 11, and smoke discharging pipe 10 links to each other with smoke evacuation air-introduced machine 12; Two kinds of regenerator can be arranged separately, employing two cover smoke evacuation air-introduced machine systems, and a cover is used to discharge the flue gas of discharging through the warm-up combustion-supporting air regenerator, and another set of being used for discharges through preheating gas regenerator discharged flue gas.Spout separately 6 in the furnace wall disposed inboard on combustion air regenerator and the gas regenerator upper channel can distribute the horizontal interval, or is interspersed, or upper and lower two rows distribute.The heat storage 3 of filling in the regenerator can be spherical ceramic heat storage body, and its diameter is 6-40mm; The heat storage bottom separates with heat-resisting filter and regenerator lower passage.
Using method of the present utility model is: the body of heater both sides are oppositely arranged regenerator, and its duty is divided into A condition and B state.A condition: give the regenerator accumulation of heat in the smoke evacuation of body of heater left side, the right side regenerator gives combustion air and gas preheating respectively for two kinds of regenerator of combustion air preheating or right side simultaneously; Transfer the B state to, the left side regenerator is given the combustion air preheating or is given combustion air and gas preheating simultaneously; Discharge fume to the regenerator accumulation of heat in the right side.When A condition, air, coal gas enter right side regenerator separately through the changement of flowing through of pipeline separately, behind the heat storage in separately the regenerator of flowing through, be heated to temperature from bottom to top, enter burner hearth through separately upper channel by spout then near burner hearth.Because air port and gas port interlaced arrangement, air, coal gas after preheating burn immediately, the heating object 13 in the heating furnace.Meanwhile, all regenerator in burner hearth left side all are in smoke evacuation accumulation of heat state, high-temperature flue gas enters all regenerator from the spout in left side, flow through from top to bottom heat storage and 90% fume afterheat passed to heat storage after, after duct coupling and changement enter air-introduced machine respectively, enter atmosphere with the temperature below 150 ℃.During the B state, the duty of the left and right sides is switched mutually.About 60-400 of the working time of state second, by the conversion of reversing control system state of a control, the commutation control mode by control system according to procedure auto-control.
Adopt the industrial furnace of the utility model design, temperature behind air and the gas preheating can reach 1200 ℃ when high temperature industrial furnace uses, exhaust gas temperature then is reduced to below 150 ℃, realized that high efficiency reclaims the utility model purpose of fume afterheat, fractional energy savings can reach 40%, any gas, liquid or solid fuel can be used, and the coal gas of super-low calorific value, for example blast furnace gas can be directly utilized.
Claims (5)
1, a kind of high-efficiency heat-accumulating industrial furnace, industrial furnace with built-in heat-storing chamber particularly, it is characterized in that in the furnace wall of body of heater and/or paired at least one pair of regenerator of arranging in the furnace bottom, upper and lower part in each regenerator is a gas passage, mid portion is filled heat storage, and gas can pass from the gap of heat storage; Upper channel communicates with at least one spout that is arranged in the furnace wall inboard and becomes one with body of heater; Lower passage and stove Outer Tube link, and stove Outer Tube and at least one cover commutation system link, and the side in addition of exchange system links with combustion air pipeline, smoke discharging pipe respectively, and the combustion air pipeline links to each other with air blast, and smoke discharging pipe links to each other with induced-draft fan; Regenerator is the combustion air regenerator.
2, industrial furnace with built-in heat-storing chamber as claimed in claim 1, it is characterized in that in the furnace wall of body of heater and/or at least two pairs of regenerator of paired layout in the furnace bottom, upper and lower part in each regenerator is a gas passage, and mid portion is filled heat storage, and gas can pass from the gap of heat storage; Upper channel communicates with at least one spout that is arranged in the furnace wall inboard and becomes one with body of heater; Lower passage and stove Outer Tube link, stove Outer Tube and at least one cover commutation system link, the side in addition of exchange system links with combustion air pipeline, smoke discharging pipe and gas piping respectively, and combustion air pipeline, gas piping link to each other with air blast, and smoke discharging pipe links to each other with induced-draft fan; Regenerator is divided into combustion air regenerator and gas regenerator, and two kinds of regenerator are arranged separately.
3, industrial furnace with built-in heat-storing chamber as claimed in claim 2 is characterized in that adopting two cover induced-draft fan systems, and a cover is used to discharge the flue gas of discharging through the warm-up combustion-supporting air regenerator, and another set of being used for discharges through preheating gas regenerator discharged flue gas.
4, built-in regenerator industrial furnace as claimed in claim 1 or 2 it is characterized in that the spout of arranging on the combustion air and gas regenerator upper channel can distribute the horizontal interval in furnace wall, or be interspersed, or upper and lower two rows distributes.
5, built-in regenerator industrial furnace as claimed in claim 1 or 2 is characterized in that heat storage is spherical ceramic heat storage body, and its diameter is 6-40mm; The heat storage bottom separates with the regenerator lower passage with heat-resistant net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00200458 CN2404085Y (en) | 2000-01-12 | 2000-01-12 | Internal regenerative chamber industrial furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00200458 CN2404085Y (en) | 2000-01-12 | 2000-01-12 | Internal regenerative chamber industrial furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2404085Y true CN2404085Y (en) | 2000-11-01 |
Family
ID=33569933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00200458 Expired - Fee Related CN2404085Y (en) | 2000-01-12 | 2000-01-12 | Internal regenerative chamber industrial furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2404085Y (en) |
-
2000
- 2000-01-12 CN CN 00200458 patent/CN2404085Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE ADDRESS; FROM: 1-102, BUILDING 26, LUANJIN VILLAGE, LINGSHUI ROAD, GANJINGZI DISTRICT, DALIAN CITY, LIAONING PROVINCE TO: A-106, ROME GARDEN, NO. 18, HUIXIN STREET(WEST), CHAOYANG DISTRICT, BEIJING CITY, 100029 |
|
| CP03 | Change of name, title or address |
Address after: 100029, Rome garden, No. 18, Huixin West Street, Beijing, Chaoyang District A-106 Patentee after: Hou Changlian Address before: Liaoning Dalian city Ganjingzi District No. 26 village water Ling Luan 1-102 Patentee before: Hou Changlian |
|
| 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: A-106, ROME GARDEN, NO. 18, HUIXIN STREET(WEST), CHAOYANG DISTRICT, BEIJINGCITY, 100029 |
|
| 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, Rome garden, No. 18, Huixin West Street, Beijing, Chaoyang District 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 |