CN204923856U - Natural gas crucible furnace to residual heat from flue gas utilization - Google Patents
Natural gas crucible furnace to residual heat from flue gas utilization Download PDFInfo
- Publication number
- CN204923856U CN204923856U CN201520494339.1U CN201520494339U CN204923856U CN 204923856 U CN204923856 U CN 204923856U CN 201520494339 U CN201520494339 U CN 201520494339U CN 204923856 U CN204923856 U CN 204923856U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- air
- runner
- wall
- comb
- 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
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 239000003546 flue gas Substances 0.000 title claims abstract description 92
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000003345 natural gas Substances 0.000 title claims abstract description 19
- 238000002485 combustion reaction Methods 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 10
- 238000011084 recovery Methods 0.000 claims description 18
- 239000000779 smoke Substances 0.000 claims description 7
- 239000012774 insulation material Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000006698 induction Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
-
- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Air Supply (AREA)
Abstract
The utility model discloses a natural gas crucible furnace to residual heat from flue gas utilization, the induction cooker comprises a cooker bod, characteristics are provided with round flue gas runner pipe in the furnace, coaxially in the flue gas runner pipe be provided with at least round air heat exchange tube, form the flue gas runner between the outer wall of air heat exchange tube and the inner wall of flue gas runner pipe, be provided with closed combustion air preheating chamber between furnace body and the chimney, vertically be provided with round flue gas calandria in the combustion air preheating chamber, between the outer wall of flue gas calandria and the inner wall of combustion air preheating chamber and the middle cavity of flue gas calandria department form the preheating of air runner, preheating of air runner bottom department is provided with the air -blower, the air outlet of preheating of air runner and the air inlet of air heat exchange tube intercommunication, the air heat exchange tube communicates with the air intlet of burner tip, the flue gas entry of flue gas runner and the exhaust port intercommunication of burner tip, the exhanst gas outlet of flue gas runner passes through flue gas calandria and chimney intercommunication, the advantage is that heat utilization efficiency is high, energy saving and environmental protection, compact structure.
Description
Technical field
The utility model relates to a kind of natural gas crucible furnace, especially relates to a kind of natural gas crucible furnace to flue gas heat recovery.
Background technology
Crucible furnace is the equipment of the deposite metal that metallurgy industry is commonly used, a kind of for melting or the stove of the metal such as Insulating aluminium, copper, lead, generally comprise body of heater, burner, burner hearth, put into burner hearth crucible and the chimney of the toxic emission after burning to air.During work, burner burns and provides thermal source to burner hearth, heats crucible, while heating, the high-temperature flue gas of generation from smoke stack emission to air in.
The crucible furnace that sell in the market and factory uses, general employing is fired with coke, diesel oil or combustion gas
Burning machine is as the crucible furnace of the energy; but these crucible furnaces of the prior art; in the flue gas produced during heating crucible, not only pernicious gas content is more; and a large amount of high-temp waste gas is discharged in air under unemployed state; energy-output ratio is larger; its high-temp waste gas of discharging has increased the weight of again the burden of environment, is unfavorable for environmental protection, is unfavorable for building energy-saving and environmental protection, conservation-minded society.
Summary of the invention
Technical problem to be solved in the utility model is to provide that a kind of heating efficiency is high, energy-conserving and environment-protective, compact conformation the natural gas crucible furnace to flue gas heat recovery.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of natural gas crucible furnace to flue gas heat recovery, comprise body of heater, burner hearth is provided with in described body of heater, crucible is provided with in described burner hearth, the bottom of described body of heater is provided with burner, the top of described body of heater is provided with the chimney be communicated with described burner hearth, in described burner hearth and the upper periphery being positioned at described crucible is provided with a circle flue gas runner pipe, at least one circle air heat-exchange pipe is coaxially arranged with in described flue gas runner pipe, the annular space region formed between the outer wall of described air heat-exchange pipe and the inwall of described flue gas runner pipe is flue gas flow channel, closed combustion air preheating chamber is provided with between described body of heater and described chimney, a circle flue gas comb is vertically arranged with in described combustion air preheating chamber, the annular space region formed between the outer wall of described flue gas comb and the inwall of described combustion air preheating chamber and the middle cavity place of described flue gas comb are air preheat runner, air intlet place bottom described air preheat runner is provided with air blast, the air outlet slit of described air preheat runner is communicated with the air inlet of described air heat-exchange pipe, the gas outlet of described air heat-exchange pipe is communicated with the air intlet of described burner, the smoke inlet of described flue gas flow channel is communicated with the exhaust opening of burner, the exhanst gas outlet of described flue gas flow channel is communicated with described chimney by described flue gas comb.
The inside of described flue gas comb is vertically arranged with the first flue gas flow deflector.Flue gas is first flowed downward along the first smoke deflector, more upwards flows to chimney, improve the heat recovery rate of flue gas.
The outer wall of described flue gas comb is provided with the first fin, and the outer wall of described air heat-exchange pipe is respectively arranged with the second flue gas flow deflector and the second fin.The heat smoke on flue gas runner pipe top flows through air heat-exchange pipe downwards through water conservancy diversion, fully heating air heat-exchange pipe, and the fin of pipe outer wall has fixing tube, strengthens heating surface area, location, the effects such as water conservancy diversion.
Described air heat-exchange pipe is four circles be arranged in parallel.
Insulation material is provided with in the outer wall of described combustion air preheating chamber.
Compared with prior art, the utility model has the advantage of: a kind of natural gas crucible furnace to flue gas heat recovery of the utility model, the flue gas that this device burner produces enters flue gas flow channel, flue gas comb successively for adding hot-air, and the flue gas after cooling discharges chimney; Simultaneously, air is blown into by air blast, after air preheat runner, the heating of air heat-exchange pipe, enter burner successively to burn for burner, this device utilizes fume afterheat to preheat combustion air, saves heating agent, and reduces flue-gas temperature, reduce environmental pollution, reduce energy consumption, improve operating efficiency, the circulation of driving in the wrong direction of flue gas and combustion air improves heat recovery efficiency.Normal temperature air can be heated to 600 degree by this device, thermal effect up to 55%, cramped construction, consistent with existing crucible furnace profile.
Accompanying drawing explanation
Fig. 1 is the structural representation one of the utility model to the natural gas crucible furnace of flue gas heat recovery;
Fig. 2 is the structural representation two of the utility model to the natural gas crucible furnace of flue gas heat recovery;
Fig. 3 is the structural representation three of the utility model to the natural gas crucible furnace of flue gas heat recovery;
Fig. 4 is the structural representation four of the utility model to the natural gas crucible furnace of flue gas heat recovery;
Fig. 5 is local A enlarged drawing in Fig. 4.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
Embodiment 1
A kind of natural gas crucible furnace to flue gas heat recovery, as depicted in figs. 1 and 2, comprise body of heater 1, burner hearth 2 is provided with in body of heater 1, crucible 3 is provided with in burner hearth 2, the bottom of body of heater 1 is provided with burner 4, the top of body of heater 1 is provided with the chimney 6 be communicated with burner hearth 2, in burner hearth 2 and the upper periphery being positioned at crucible 3 is provided with a circle flue gas runner pipe 5, at least one circle air heat-exchange pipe 8 is coaxially arranged with in flue gas runner pipe 5, the annular space region formed between the outer wall of air heat-exchange pipe 8 and the inwall of flue gas runner pipe 5 is flue gas flow channel 9, closed combustion air preheating chamber 7 is provided with between body of heater 1 and chimney 6, a circle flue gas comb 10 is vertically arranged with in combustion air preheating chamber 7, the annular space region formed between the outer wall of flue gas comb 10 and the inwall of combustion air preheating chamber 7 and the middle cavity place of flue gas comb 10 are air preheat runner 11, air intlet place bottom air preheat runner 11 is provided with air blast 12, the air outlet slit of air preheat runner 11 is communicated with the air inlet of air heat-exchange pipe 8, the gas outlet of air heat-exchange pipe 11 is communicated with the air intlet of burner 4, the smoke inlet of flue gas flow channel 9 is communicated with the exhaust opening of burner 4, the exhanst gas outlet of flue gas flow channel 9 is communicated with chimney 6 by flue gas comb 10.
Embodiment 2
A kind of natural gas crucible furnace to flue gas heat recovery, as depicted in figs. 1 and 2, comprise body of heater 1, burner hearth 2 is provided with in body of heater 1, crucible 3 is provided with in burner hearth 2, the bottom of body of heater 1 is provided with burner 4, the top of body of heater 1 is provided with the chimney 6 be communicated with burner hearth 2, in burner hearth 2 and the upper periphery being positioned at crucible 3 is provided with a circle flue gas runner pipe 5, at least one circle air heat-exchange pipe 8 is coaxially arranged with in flue gas runner pipe 5, the annular space region formed between the outer wall of air heat-exchange pipe 8 and the inwall of flue gas runner pipe 5 is flue gas flow channel 9, closed combustion air preheating chamber 7 is provided with between body of heater 1 and chimney 6, a circle flue gas comb 10 is vertically arranged with in combustion air preheating chamber 7, the annular space region formed between the outer wall of flue gas comb 10 and the inwall of combustion air preheating chamber 7 and the middle cavity place of flue gas comb 10 are air preheat runner 11, air intlet place bottom air preheat runner 11 is provided with air blast 12, the air outlet slit of air preheat runner 11 is communicated with the air inlet of air heat-exchange pipe 8, the gas outlet of air heat-exchange pipe 11 is communicated with the air intlet of burner 4, the smoke inlet of flue gas flow channel 9 is communicated with the exhaust opening of burner 4, the exhanst gas outlet of flue gas flow channel 9 is communicated with chimney 6 by flue gas comb 10.
In this particular embodiment, as shown in Fig. 3, Fig. 4 and Fig. 5, the inside of flue gas comb 10 is vertically arranged with the first flue gas flow deflector 13, and the outer wall of flue gas comb 10 is provided with the first fin 14, and the outer wall of air heat-exchange pipe 8 is respectively arranged with the second flue gas water conservancy diversion 15 and the second fin 16; Four circles of air heat-exchange pipe 8 for be arrangeding in parallel.Insulation material is provided with in the outer wall of combustion air preheating chamber 7.
Above-described embodiment further illustrates of the present utility model, but protection domain of the present utility model is as the criterion with claims.
Claims (5)
1. the natural gas crucible furnace to flue gas heat recovery, comprise body of heater, burner hearth is provided with in described body of heater, crucible is provided with in described burner hearth, the bottom of described body of heater is provided with burner, the top of described body of heater is provided with the chimney be communicated with described burner hearth, it is characterized in that: in described burner hearth and the upper periphery being positioned at described crucible is provided with a circle flue gas runner pipe, at least one circle air heat-exchange pipe is coaxially arranged with in described flue gas runner pipe, the annular space region formed between the outer wall of described air heat-exchange pipe and the inwall of described flue gas runner pipe is flue gas flow channel, closed combustion air preheating chamber is provided with between described body of heater and described chimney, a circle flue gas comb is vertically arranged with in described combustion air preheating chamber, the annular space region formed between the outer wall of described flue gas comb and the inwall of described combustion air preheating chamber and the middle cavity place of described flue gas comb are air preheat runner, air intlet place bottom described air preheat runner is provided with air blast, the air outlet slit of described air preheat runner is communicated with the air inlet of described air heat-exchange pipe, the gas outlet of described air heat-exchange pipe is communicated with the air intlet of described burner, the smoke inlet of described flue gas flow channel is communicated with the exhaust opening of burner, the exhanst gas outlet of described flue gas flow channel is communicated with described chimney by described flue gas comb.
2. a kind of natural gas crucible furnace to flue gas heat recovery according to claim 1, is characterized in that: the inside of described flue gas comb is vertically arranged with the first flue gas flow deflector.
3. a kind of natural gas crucible furnace to flue gas heat recovery according to claim 1, it is characterized in that: the outer wall of described flue gas comb is provided with the first fin, the outer wall of described air heat-exchange pipe is respectively arranged with the second flue gas flow deflector and the second fin.
4. a kind of natural gas crucible furnace to flue gas heat recovery according to claim 1, is characterized in that: described air heat-exchange pipe is four circles be arranged in parallel.
5. a kind of natural gas crucible furnace to flue gas heat recovery according to any one of claim 1-4, is characterized in that: be provided with insulation material in the outer wall of described combustion air preheating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520494339.1U CN204923856U (en) | 2015-07-07 | 2015-07-07 | Natural gas crucible furnace to residual heat from flue gas utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520494339.1U CN204923856U (en) | 2015-07-07 | 2015-07-07 | Natural gas crucible furnace to residual heat from flue gas utilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204923856U true CN204923856U (en) | 2015-12-30 |
Family
ID=54972974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520494339.1U Expired - Fee Related CN204923856U (en) | 2015-07-07 | 2015-07-07 | Natural gas crucible furnace to residual heat from flue gas utilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204923856U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021037A (en) * | 2015-07-07 | 2015-11-04 | 宁波北仑尚鼎工业炉有限公司 | Natural gas crucible furnace for flue gas waste heat recovery |
| CN106482534A (en) * | 2016-11-28 | 2017-03-08 | 无锡市莱达热工工程有限公司 | Metal smelting-furnace |
| CN110319690A (en) * | 2019-07-03 | 2019-10-11 | 宁夏秦氏新材料有限公司 | Gas heating metal nitride synthesis device |
-
2015
- 2015-07-07 CN CN201520494339.1U patent/CN204923856U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021037A (en) * | 2015-07-07 | 2015-11-04 | 宁波北仑尚鼎工业炉有限公司 | Natural gas crucible furnace for flue gas waste heat recovery |
| CN106482534A (en) * | 2016-11-28 | 2017-03-08 | 无锡市莱达热工工程有限公司 | Metal smelting-furnace |
| CN110319690A (en) * | 2019-07-03 | 2019-10-11 | 宁夏秦氏新材料有限公司 | Gas heating metal nitride synthesis device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 |