CN203518638U - Open pore expansion furnace utilizing itself high-temperature waste gas waste heat - Google Patents
Open pore expansion furnace utilizing itself high-temperature waste gas waste heat Download PDFInfo
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- CN203518638U CN203518638U CN201320472559.5U CN201320472559U CN203518638U CN 203518638 U CN203518638 U CN 203518638U CN 201320472559 U CN201320472559 U CN 201320472559U CN 203518638 U CN203518638 U CN 203518638U
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- expansion furnace
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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
- 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]
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model relates to the technical field of expansion furnaces and discloses an open pore expansion furnace utilizing itself high-temperature waste gas waste heat. An air inducing device is arranged on a waste gas pipe from a waste gas waste heat outlet of the open pore expansion furnace to a preheating furnace or is arranged on a waste gas pipe, for inputting the waste gas waste heat of the preheating furnace to a waste gas exhausting chimney, from the open pore expansion furnace. The waste gas waste heat output end of the air inducing device is connected with a combustor of the open pore expansion furnace. An energy source of the high-temperature waste gas waste heat of the open pore expansion furnace itself can be fully utilized, so that the waste gas waste heat continuously flows back for recycling, and the purposes of saving energy and reducing consumption are achieved. Fuel oil gas such as fuel natural gas, city coal gas, producer gas, liquefied gas, diesel oil, heavy oil and kerosene is saved, cost for producing products is reduced, the problems that an original open pore expansion furnace is high in energy consumption and low in heat utilization rate are solved, and the open pore expansion furnace has the advantages of being reasonable in structure, convenient to use and low in cost.
Description
Technical field
The utility model relates to expansion furnace technical field, relates in particular to a kind of perforate expansion furnace that utilizes self high-temp waste gas waste heat.
Background technology
At present, the fuel that existing perforate expansion furnace adopts is fuel oil, the gas such as natural gas, town gas, producer gas, liquefied gas, diesel oil, heavy oil, kerosene, the high-temp waste gas waste heat that general perforate expansion furnace produces is at 300-1200 ℃, even if utilize it to enter preheating furnace, fry sand, this part high-temp waste gas waste heat also has 350 ℃ of left and right, also needs to increase heat sink, carries out follow-up cooling, after dedusting, just enter atmosphere again.Equal this part heat slatterning in vain not say, also will increase heat sink, the cost of product is increased.
Summary of the invention
For overcoming the deficiencies in the prior art, the utility model proposes a kind of perforate expansion furnace that utilizes self high-temp waste gas waste heat, its objective is that the high-temp waste gas waste heat for this part 300-1200 ℃ left and right of perforate expansion furnace is used.Take full advantage of the energy, saved fuel as fuel oil, gas such as natural gas, town gas, producer gas, liquefied gas, diesel oil, heavy oil, kerosene, reduced the cost of producing product, solve the problem that original perforate expansion furnace energy consumption is high, heat utilization efficiency is low, and there is feature rational in infrastructure, easy to use, cost is low.
For realizing goal of the invention as above, the utility model adopts technical scheme as follows:
A kind of perforate expansion furnace that utilizes self high-temp waste gas waste heat, comprise: perforate expansion furnace 1, preheating furnace 2, chimney 4, blower unit, the waste gas residual heat of described perforate expansion furnace 1 is exported on the flue gas leading of preheating furnace 2 and is provided with blower unit, or to the flue gas leading of waste gas discharge chimney 4, be provided with blower unit by the waste gas residual heat of perforate expansion furnace 1 input preheating furnace 2, or perforate expansion furnace 1 is provided with blower unit with preheating furnace 2 to the flue gas leading of preheating furnace 2 to the flue gas leading 3 of waste gas discharge chimney 4; The waste gas residual heat output of described blower unit is connected with the burner 5 of perforate expansion furnace 1.
A kind of perforate expansion furnace that utilizes self high-temp waste gas waste heat, described blower unit is connected and composed by induced duct 7 and air-introduced machine 8, induced duct 7 inputs are communicated with the flue gas leading of perforate expansion furnace 1 to preheating furnace 2, or the flue gas leading that induced duct 7 inputs and preheating furnace are discharged 4, chimney to waste gas is communicated with, and be provided with valve 9 on the pipeline of the induced duct 7 of connection; Induced duct output is communicated with the burner 5 of perforate expansion furnace 1; Induced duct output is divided into two-way, and the induced duct output first via is communicated with the interior natural gas pipeline 6 of burner that air distribution combustion is made in combustion gas, and induced duct output the second tunnel is communicated with the lower end air inlet of perforate expansion furnace 1.
A kind of perforate expansion furnace that utilizes self high-temp waste gas waste heat, described induced duct 7 connects to form three-port structure by two induced ducts, the first induced duct input is communicated with the flue gas leading of perforate expansion furnace 1 to preheating furnace 2, the second induced duct input is communicated with the flue gas leading that preheating furnace 2 is discharged chimney 4 to waste gas, and is provided with valve 9 on the pipeline of the first induced duct and the connection of the second induced duct; The induced duct output of three-port structure is communicated with the burner of perforate expansion furnace 1; Induced duct output is divided into two-way, and the induced duct output first via is communicated with the interior natural gas pipeline 6 of burner that air distribution combustion is made in combustion gas, and induced duct output the second tunnel is communicated with the lower end air inlet of perforate expansion furnace 1.
A perforate expansion furnace that utilizes self high-temp waste gas waste heat, the bottom air inlet of described perforate expansion furnace 1 is provided with valve 9.
Owing to adopting technical scheme as above, the utlity model has following superiority:
A perforate expansion furnace that utilizes self high-temp waste gas waste heat, its objective is that the waste gas residual heat for perforate expansion furnace is exported to this part waste gas residual heat of preheating furnace, and this part waste gas residual heat that preheating furnace is fried after sand is used.Make full use of the energy of waste gas residual heat, saved fuel as fuel oil, gas such as natural gas, town gas, producer gas, liquefied gas, diesel oil, heavy oil, kerosene, reduced the cost of producing product, solve the problem that original perforate expansion furnace energy consumption is high, heat utilization efficiency is low, and there is feature rational in infrastructure, easy to use, cost is low.
The utility model can, by the continuous reflux cycle recycling of self high-temp waste gas waste heat of part perforate expansion furnace, reach energy-saving and cost-reducing object.
accompanying drawing explanation:
Fig. 1 is the structural representation that perforate expansion furnace utilizes self high-temp waste gas afterheat return;
Fig. 2 is that perforate expansion furnace utilizes self high-temp waste gas waste heat to enter the structural representation recycling after preheating furnace.
The specific embodiment
As shown in Figure 1, 2, a kind of perforate expansion furnace that utilizes self high-temp waste gas waste heat, comprise: perforate expansion furnace 1, preheating furnace 2, chimney 4, blower unit, the waste gas residual heat of described perforate expansion furnace 1 is exported on the flue gas leading of preheating furnace 2 and is provided with blower unit, or to the flue gas leading of waste gas discharge chimney 4, be provided with blower unit by the waste gas residual heat of perforate expansion furnace 1 input preheating furnace 2, or perforate expansion furnace 1 is provided with blower unit with preheating furnace 2 to the flue gas leading of preheating furnace 2 to the flue gas leading 3 of waste gas discharge chimney 4; The waste gas residual heat output of described blower unit is connected with the burner 5 of perforate expansion furnace 1.
Described blower unit is connected and composed by induced duct 7 and air-introduced machine 8, induced duct 7 inputs are communicated with the flue gas leading of perforate expansion furnace 1 to preheating furnace 2, or the flue gas leading that induced duct 7 inputs and preheating furnace are discharged 4, chimney to waste gas is communicated with, and be provided with valve 9 on the pipeline of the induced duct 7 of connection; Induced duct output is communicated with the burner 5 of perforate expansion furnace 1; Induced duct output is divided into two-way, and the induced duct output first via is communicated with the interior natural gas pipeline 6 of burner that air distribution combustion is made in combustion gas, and induced duct output the second tunnel is communicated with the lower end air inlet of perforate expansion furnace 1.
Described induced duct 7 connects to form three-port structure by two induced ducts, the first induced duct input is communicated with the flue gas leading of perforate expansion furnace 1 to preheating furnace 2, the second induced duct input is communicated with the flue gas leading that preheating furnace 2 is discharged chimney 4 to waste gas, and is provided with valve 9 on the pipeline of the first induced duct and the connection of the second induced duct; The induced duct output of three-port structure is communicated with the burner of perforate expansion furnace 1; Induced duct output is divided into two-way, and the induced duct output first via is communicated with the interior natural gas pipeline 6 of burner that air distribution combustion is made in combustion gas, and induced duct output the second tunnel is communicated with the lower end air inlet of perforate expansion furnace 1.The bottom air inlet of described perforate expansion furnace 1 is provided with valve 9.
Embodiment 1
The perforate expansion furnace quoting method that utilizes self high-temp waste gas waste heat, its step is as follows:
1), blower unit is installed, the induced duct of blower unit 7 is made to two induced duct inputs, the flue gas leading of discharging chimney 4 to flue gas leading and the preheating furnace 2 of preheating furnace 2 to waste gas with perforate expansion furnace 1 respectively is all communicated with, and on two induced duct input pipelines that are communicated with, valve 9 is installed; Induced duct output is communicated with the burner 5 of perforate expansion furnace 1, the induced duct output first via is communicated with the interior natural gas pipeline 6 of burner 5 that air distribution combustion is made in combustion gas, induced duct output the second tunnel is communicated with the lower end air inlet of perforate expansion furnace 1, and the bottom air inlet of perforate expansion furnace 1 is provided with valve 9;
2), quote self high-temp waste gas waste heat, adopt on the flue gas leading of discharging chimney to waste gas at perforate expansion furnace to flue gas leading and the preheating furnace of preheating furnace two induced ducts of blower unit be all installed, and on each induced duct, be provided with and select control valve 9;
When selecting the waste gas to preheating furnace 2 with perforate expansion furnace 1, open this induced duct and select control valve, by this part the high-temp waste gas waste heat on flue gas leading, through the air-introduced machine 8 of blower unit, by the first induced duct, introduce the burner 5 of perforate expansion furnace 1;
The waste gas residual heat output of blower unit, waste gas is introduced to the burner 5 of perforate expansion furnace 1, the induced duct output waste heat waste gas first via enters in burner 5 by gas pipeline 6, make air distribution combustion with combustion gas, thereby improve the sensible heat of combustion gas, improve the initial temperature before fuel gas buring, thereby reduce energy consumption; The second tunnel enters the lower end air inlet of perforate expansion furnace 1, makes its alternative cold wind, becomes hot blast and enters and in perforate expansion furnace 1, carry out reflux cycle, thereby reduce energy consumption.
When selecting to discharge the waste gas of chimney to waste gas with preheating furnace, open the second induced duct and select control valve, by this part the high-temp waste gas waste heat on flue gas leading, through the air-introduced machine 8 of blower unit, by induced duct output, introduce the burner 5 of perforate expansion furnace 1;
The waste gas residual heat output of blower unit, waste gas is introduced to the burner 5 of perforate expansion furnace 1, the induced duct output waste heat waste gas first via enters in burner 5 by gas pipeline 6, make air distribution combustion with combustion gas, thereby improve the sensible heat of combustion gas, be the initial temperature before fuel gas buring, thereby reduce energy consumption; The second tunnel enters the lower end air inlet of perforate expansion furnace 1, makes its alternative cold wind, becomes hot blast and enters perforate and expand, and carries out reflux cycle in 1, thereby reduces energy consumption.
The blower unit that the utility model adopts is induced duct by warm-air pipe, the heat of the high-temp waste gas waste heat of perforate expansion furnace self is introduced to perforate expansion furnace burner, make air distribution combustion with combustion gas, thereby improve the sensible heat of combustion gas, the initial temperature before burning, coordinate with the lower end air inlet of expansion furnace, make its alternative cold wind become hot blast and enter and in expansion furnace, carry out reflux cycle, thereby reduce energy consumption.In sum, exactly this part high-temp waste gas waste heat of expansion furnace system is constantly recycled, reach the object of consumption reduction.
The perforate expansion furnace quoting method that utilizes self high-temp waste gas waste heat, its step is as follows:
1, blower unit is installed, the induced duct of blower unit 7 is made to one, induced duct 7 inputs are communicated with the flue gas leading that preheating furnace is discharged between chimney to waste gas, and on induced duct 7 pipelines that are communicated with, valve 9 are installed; Preheating furnace 2 is discharged the blower unit of installing on the flue gas leading of 4, chimney to waste gas, this part waste heat waste gas that preheating furnace 2 is fried after sand is introduced burner 5 burnings of perforate expansion furnace 1 through the air-introduced machine 8 of blower unit by induced duct 7.The induced duct output of blower unit is communicated with the burner of perforate expansion furnace, the interior pipeline connection of burner of air distribution combustion is made in induced duct output one tunnel and combustion gas, another road of induced duct output is communicated with the lower end air inlet of expansion furnace, and mounted valve on the pipeline being communicated with; The lower end air inlet of perforate expansion furnace is provided with valve.
2, quote self high-temp waste gas waste heat, when discharge the waste gas of chimney to waste gas with preheating furnace, open this induced duct and select regulation gate valve, by this part waste gas on flue gas leading, through the air-introduced machine of blower unit, by induced duct, introduce the burner of perforate expansion furnace; One tunnel enters in burner, makes air distribution combustion with combustion gas, improves the initial temperature before fuel gas buring, thereby reduces energy consumption; Another road enters the lower end air inlet of expansion furnace, and alternative cold wind becomes hot blast and enters and in perforate expansion furnace, carry out reflux cycle, thereby reduces energy consumption.
The perforate expansion furnace quoting method that utilizes self high-temp waste gas waste heat, its step is as follows:
1, blower unit is installed, the induced duct of blower unit 7 inputs are communicated with the flue gas leading of perforate expansion furnace 1 to preheating furnace 2, and on induced duct 7 pipelines that are communicated with, valve 9 is installed; Perforate expansion furnace 1, to the blower unit of installing on the flue gas leading of preheating furnace 2, by this part high-temp waste gas, is introduced the burner combustion of perforate expansion furnaces through the air-introduced machine 8 of blower unit by induced duct 7; Induced duct output is communicated with the burner of perforate expansion furnace, and the interior pipeline connection of burner of air distribution combustion is made in induced duct output one tunnel and combustion gas, and another road of induced duct output is communicated with the lower end air inlet of expansion furnace, and mounted valve on the pipeline being communicated with; The lower end air inlet of perforate expansion furnace is provided with valve.
2, quote self high-temp waste gas waste heat, when the waste gas to preheating furnace with perforate expansion furnace, open this induced duct and select regulation gate valve, by this part waste gas on flue gas leading, through the air-introduced machine of blower unit, by induced duct, introduce the burner of perforate expansion furnace; One tunnel enters in burner, makes air distribution combustion with combustion gas, improves the initial temperature before fuel gas buring, thereby reduces energy consumption; Another road enters the lower end air inlet of expansion furnace, and alternative cold wind becomes hot blast and enters and in perforate expansion furnace, carry out reflux cycle, thereby reduces energy consumption.
Claims (4)
1. a perforate expansion furnace that utilizes self high-temp waste gas waste heat, it is characterized in that: comprising: perforate expansion furnace (1), preheating furnace (2), chimney 4, blower unit, the waste gas residual heat of described perforate expansion furnace (1) is exported on the flue gas leading of preheating furnace (2) and is provided with blower unit, or by waste gas residual heat to the waste gas of perforate expansion furnace (1) input preheating furnace (2), discharged on the flue gas leading of chimney (4) and be provided with blower unit, or perforate expansion furnace (1) to the flue gas leading of preheating furnace (2) and preheating furnace (2) to waste gas discharge on the flue gas leading (3) of chimney (4) and be provided with blower unit, the waste gas residual heat output of described blower unit is connected with the burner (5) of perforate expansion furnace (1).
2. a kind of perforate expansion furnace that utilizes self high-temp waste gas waste heat according to claim 1, it is characterized in that: described blower unit is connected and composed by induced duct (7) and air-introduced machine (8), induced duct (7) input is communicated with the flue gas leading of perforate expansion furnace (1) to preheating furnace (2), or the flue gas leading that induced duct (7) input is discharged between chimney (4) with preheating furnace to waste gas is communicated with, and be provided with valve (9) on the pipeline of the induced duct (7) being communicated with; Induced duct output is communicated with the burner (5) of perforate expansion furnace (1); Induced duct output is divided into two-way, and the induced duct output first via is communicated with the interior natural gas pipeline (6) of burner that air distribution combustion is made in combustion gas, and induced duct output the second tunnel is communicated with the lower end air inlet of perforate expansion furnace (1).
3. a kind of perforate expansion furnace that utilizes self high-temp waste gas waste heat according to claim 2, it is characterized in that: described induced duct (7) connects to form three-port structure by two induced ducts, the first induced duct input is communicated with the flue gas leading of perforate expansion furnace (1) to preheating furnace (2), the second induced duct input is communicated with the flue gas leading that preheating furnace (2) is discharged chimney (4) to waste gas, and is provided with valve (9) on the pipeline of the first induced duct and the connection of the second induced duct; The induced duct output of three-port structure is communicated with the burner of perforate expansion furnace (1); Induced duct output is divided into two-way, and the induced duct output first via is communicated with the interior natural gas pipeline (6) of burner that air distribution combustion is made in combustion gas, and induced duct output the second tunnel is communicated with the lower end air inlet of perforate expansion furnace (1).
4. a kind of perforate expansion furnace that utilizes self high-temp waste gas waste heat according to claim 1, is characterized in that: the bottom air inlet of described perforate expansion furnace (1) is provided with valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320472559.5U CN203518638U (en) | 2013-08-05 | 2013-08-05 | Open pore expansion furnace utilizing itself high-temperature waste gas waste heat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320472559.5U CN203518638U (en) | 2013-08-05 | 2013-08-05 | Open pore expansion furnace utilizing itself high-temperature waste gas waste heat |
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| CN203518638U true CN203518638U (en) | 2014-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557731A (en) * | 2013-08-05 | 2014-02-05 | 洛阳安拓窑炉环保有限公司 | Perforated expansion furnace capable of utilizing self high-temperature waste gas afterheat and method |
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2013
- 2013-08-05 CN CN201320472559.5U patent/CN203518638U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557731A (en) * | 2013-08-05 | 2014-02-05 | 洛阳安拓窑炉环保有限公司 | Perforated expansion furnace capable of utilizing self high-temperature waste gas afterheat and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20180805 |
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| CF01 | Termination of patent right due to non-payment of annual fee |