CN201429334Y - Waste heat converting device of graphitizing furnace - Google Patents
Waste heat converting device of graphitizing furnace Download PDFInfo
- Publication number
- CN201429334Y CN201429334Y CN2009200917886U CN200920091788U CN201429334Y CN 201429334 Y CN201429334 Y CN 201429334Y CN 2009200917886 U CN2009200917886 U CN 2009200917886U CN 200920091788 U CN200920091788 U CN 200920091788U CN 201429334 Y CN201429334 Y CN 201429334Y
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- graphitizing furnace
- exchange pipe
- heat
- flue
- 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
Images
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The utility model discloses a waste heat converting device of a graphitizing furnace, which comprises a gettering device, a heat exchange device, a waste heat utilizing device and an exhaust gas emitting device, wherein the heat exchange device comprises a chimney flue arranged above the graphitizing furnace; a heat exchange calandria is arranged in the chimney flue; liquid working medium is arranged in the heat exchange calandria; the gettering device comprises a gettering shield arranged at the head and tail of the graphitizing furnace respectively; and the exhaust opening of the gettering shield is communicated with the chimney flue. The waste heat utilizing device adopts a steam turbine motor generator connected to the outlet end of the heat exchange calandria or a steam boiler or thecombination of both; the exhaust gas emitting device comprises a chimney, wherein a dust removal plant is arranged at the exhaust end of the chimney and the chimney flue; and an exhaust fan is arranged beneath the dust removal plant. After the high temperature exhaust gas is collected by the gettering device, the heat is absorbed by the heat exchange device, and the heat is converted by the wasteheat utilizing device or directly applied to heating or warming, so that the energy resource loss and waste is reduced and the energy resource utilization rate is improved; moreover, the exhaust gas is emitted after the dust therein is removed by the exhaust gas emitting device, thereby lessening the atmospheric pollution and realizing energy-saving and emission-reduction.
Description
Technical field
The utility model belongs to industrial exhaust heat and utilizes technical field, particularly a kind of graphitizing furnace residual heat conversion device.
Background technology
At present, the graphitizing furnace of domestic production graphite electrode mostly is acheson furnace.Rely on big electric current that carbon-point is carried out high temperature graphitization, the graphitizing process power consumption is very huge, and the graphitizing furnace internal temperature is up to more than 2000 ℃ in graphitizing process.A large amount of flue gases of being discharged by chimney in graphitizing process and dust temperature contain a large amount of heat energy also up to 800-1000 ℃ in the high-temperature flue gas, make thermal loss account for about 30% of total amount of heat, cause great energy waste; Simultaneously, high-temperature gas has caused severe contamination to atmospheric environment, makes the weather severe exacerbation.
The utility model content
The purpose of this utility model provides a kind of graphitizing furnace residual heat conversion device, and it can effectively utilize waste heat, improves energy utilization rate, reduces atmosphere pollution.
For achieving the above object, the technical solution of the utility model is: a kind of graphitizing furnace residual heat conversion device, comprise getter device, heat-exchanger rig, residual heat using device and exhaust emission device, described heat-exchanger rig comprises the flue of graphitizing furnace top, be provided with heat exchange pipe in the flue, liquid refrigerant is housed in the heat exchange pipe; The getter device comprises the getter cover that is located at graphitizing furnace burner and stove tail respectively, and the exhaust outlet of getter cover is communicated with flue; Residual heat using device is steam turbine power generation unit or boiler or its combination that is connected the heat exchange pipe port of export; Exhaust emission device comprises chimney, is provided with dust arrester at chimney and flue gas end, the descending air exhauster that is provided with of dust arrester.
Described getter cover is funnel-form, and big end links to each other with the stove tail with burner, and small end links to each other with heat exchange pipe.
Described heat exchange pipe extends to getter cover inside.
The arrival end of described heat exchange pipe is provided with high-pressure pump, and the high-pressure pump inlet connects the hydraulic refrigerant container.
Axial along it in flue, the evenly setting at interval of described heat exchange pipe.
Liquid refrigerant flow direction in the described heat exchange pipe is opposite with the flow direction of high-temperature flue gas in the flue.
The utility model utilizes the getter device that high-temperature flue gas is collected after heat-exchanger rig absorbs heat, by residual heat using device heat is converted into electric energy again or is directly used in heating or heating, and less energy loss, waste improve energy utilization rate; Waste gas discharges after the exhaust emission device dedusting, reduces atmosphere pollution, realizes energy-saving and emission-reduction.The getter cover is funnel-form, is convenient to collect flue gas, discharging flue gas, the efficient height.Heat exchange pipe extends to getter cover inside, increases heat exchange pipe length, prolongs heat exchanger time, improves heat exchanger effectiveness.Heat exchange pipe evenly is provided with opposite with the flow direction of high-temperature flue gas in the flue with the liquid refrigerant flow direction in flue at interval, helps fully to carry out heat exchange, can improve heat exchange efficiency.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Operation principle of the present utility model is: be working media (being called liquid refrigerant) with the low-boiling point liquid, utilize the high-temperature flue gas of industrial discharge to be the energy, make liquid refrigerant heat absorption vaporization, the steam of low boiling working fluid drives the generating of turbine generator group, and perhaps heating boiler is for heating.
Graphitizing furnace residual heat conversion device as shown in Figure 1 comprises heat-exchanger rig, getter device, residual heat using device and exhaust emission device.
As shown in Figure 1, heat-exchanger rig comprises the flue 2 of graphitizing furnace 1 top, vertically, uniformly-spaced evenly be provided with heat exchange pipe 3 in flue 2 inside, in the heat exchange pipe 3 liquid refrigerant is housed, liquid refrigerant is supplied with by the high-pressure pump 12 that is located at heat exchange pipe 3 arrival ends, and the inlet of high-pressure pump 12 is connected hydraulic refrigerant container 13.Liquid refrigerant is the low-boiling point liquid medium, as iso-butane, normal butane, propane, carbon dioxide, ammonia etc.The getter device comprises the burner 4 that is located at graphitizing furnace 1 respectively and the getter cover 6 of stove tail 5, the exhaust outlet 7 of getter cover 6 is communicated with flue 2, wherein getter cover 6 is funnel-form, the big end of funnel links to each other with stove tail 5 with burner 4, small end (being exhaust outlet 7) links to each other with heat exchange pipe 3, for the ease of heat exchange and prolongation heat exchanger time, heat exchange pipe 3 extends to getter cover 6 inside by exhaust outlet 7.Residual heat using device is steam turbine power generation unit or the boiler 8 that is connected heat exchange pipe 3 ports of export, by pipeline 14 high steam is delivered to steam turbine power generation unit or boiler 8, also can be the combination of steam turbine power generation unit and boiler, can more effective raising utilization rate of waste heat.Exhaust emission device comprises chimney 9, for reducing the flue dust in the waste gas, is provided with dust arrester 10 at chimney 9 and flue 2 exhaust ends, for quick combustion gas, at the dust arrester 10 descending air exhausters 11 that are provided with.
Direction shown in the arrow is liquid refrigerant flow directions in the heat exchange pipe 3 among Fig. 1, and the liquid refrigerant flow direction is opposite with the flow direction of high-temperature flue gas in the flue 2, helps liquid refrigerant like this and fully absorbs waste heat in the flue gas, raising utilization rate of waste heat.
The utility model is specially adapted to produce the graphitizing furnace of graphite electrode, and the electric energy that it utilizes waste heat to send by the steam turbine power generation unit can be recycling in the production of graphite electrode, also can outwards supply with, reduce production costs greatly, cut down expenses, improve enterprise competitiveness.The utility model also is applicable to other industrial furnaces.
Claims (6)
1, a kind of graphitizing furnace residual heat conversion device, comprise getter device, heat-exchanger rig, residual heat using device and exhaust emission device, it is characterized in that: described heat-exchanger rig comprises the flue of graphitizing furnace top, is provided with heat exchange pipe in the flue, and liquid refrigerant is housed in the heat exchange pipe; The getter device comprises the getter cover that is located at graphitizing furnace burner and stove tail respectively, and the exhaust outlet of getter cover is communicated with flue; Residual heat using device is steam turbine power generation unit or boiler or its combination that is connected the heat exchange pipe port of export; Exhaust emission device comprises chimney, is provided with dust arrester at chimney and flue gas end, the descending air exhauster that is provided with of dust arrester.
2, graphitizing furnace residual heat conversion device as claimed in claim 1 is characterized in that: described getter cover is funnel-form, and big end links to each other with the stove tail with burner, and small end links to each other with heat exchange pipe.
3, graphitizing furnace residual heat conversion device as claimed in claim 1 or 2 is characterized in that: described heat exchange pipe extends to getter cover inside.
4, graphitizing furnace residual heat conversion device as claimed in claim 3, it is characterized in that: the arrival end of described heat exchange pipe is provided with high-pressure pump, and the high-pressure pump inlet connects the hydraulic refrigerant container.
5, graphitizing furnace residual heat conversion device as claimed in claim 4 is characterized in that: axial along it in flue, the evenly setting at interval of described heat exchange pipe.
6, graphitizing furnace residual heat conversion device as claimed in claim 5 is characterized in that: the liquid refrigerant flow direction in the described heat exchange pipe is opposite with the flow direction of high-temperature flue gas in the flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200917886U CN201429334Y (en) | 2009-06-10 | 2009-06-10 | Waste heat converting device of graphitizing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200917886U CN201429334Y (en) | 2009-06-10 | 2009-06-10 | Waste heat converting device of graphitizing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201429334Y true CN201429334Y (en) | 2010-03-24 |
Family
ID=42033073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200917886U Expired - Fee Related CN201429334Y (en) | 2009-06-10 | 2009-06-10 | Waste heat converting device of graphitizing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201429334Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712464A (en) * | 2012-10-09 | 2014-04-09 | 丹阳市江南工业炉有限公司 | Smoke outlet waste heat reutilization device |
-
2009
- 2009-06-10 CN CN2009200917886U patent/CN201429334Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712464A (en) * | 2012-10-09 | 2014-04-09 | 丹阳市江南工业炉有限公司 | Smoke outlet waste heat reutilization device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201581943U (en) | Device for recycling and utilizing waste heat of carbon-graphitized high-temperature flue gas | |
| CN202692019U (en) | Flue gas waste heat recycling system of steam boiler | |
| CN102755821A (en) | Carbon calcining furnace waste gas desulfurizing and dust-removing method and device | |
| CN201429334Y (en) | Waste heat converting device of graphitizing furnace | |
| CN202001148U (en) | Pure liquid oxygen gasoline engine | |
| CN101298963B (en) | Graphitization furnace flue type residual heat heat-exchanging device | |
| CN103383195A (en) | Waste heat utilization and dust removing method for electric furnace flue gas with thermal storage soaking device | |
| CN202328332U (en) | Air preheating device utilizing boiler smoke heat sufficiently | |
| CN202145097U (en) | Flue gas heat accumulating type waste heat power generation special equipment for metallurgical furnace | |
| CN201844699U (en) | Electric furnace smoke waste heat power generation device with heat accumulation temperature equalization device | |
| CN201215445Y (en) | Flue type residue heat exchanging device for graphitization furnace | |
| CN202747822U (en) | Special device for high-temperature alternating smoke gas residual heat power generation, energy conservation and dust removal of metallurgical furnace | |
| CN201991651U (en) | Pure liquid oxygen fuel oil power generator | |
| CN202915733U (en) | Special energy-saving dust-removing equipment for generating power by using high-temperature flue gas from metallurgical furnace | |
| CN103673644A (en) | Waste heat utilizing system of submerged-arc furnace | |
| CN203657509U (en) | Submerged arc furnace smoke waste-heat utilization system | |
| CN201991652U (en) | Pure liquid oxygen diesel fuel engine | |
| CN201837258U (en) | Metallurgical furnace flue gas waste heat recovery device with heat accumulator | |
| CN202993873U (en) | Highly-efficient and energy-saving calcium carbide waste heat power generation system | |
| CN202470794U (en) | Equipment special for waste heat cascade utilization and dust removal of high-temperature alternation fume of electric furnace | |
| CN213977767U (en) | High-efficient heat transfer structure of converter vaporization cooling flue | |
| CN201706476U (en) | Superconductive waste heat accumulator | |
| CN103105071A (en) | Method for submerged arc furnace flue gas multistage organic Rankine cycle waste heat power generation | |
| CN102121438A (en) | Pure liquid oxygen diesel engine | |
| CN102121440B (en) | Pure liquid oxygen fuel generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100324 Termination date: 20130610 |