CN208124867U - A kind of resistance-type circulating-heating natural gas blast furnace - Google Patents
A kind of resistance-type circulating-heating natural gas blast furnace Download PDFInfo
- Publication number
- CN208124867U CN208124867U CN201820364464.4U CN201820364464U CN208124867U CN 208124867 U CN208124867 U CN 208124867U CN 201820364464 U CN201820364464 U CN 201820364464U CN 208124867 U CN208124867 U CN 208124867U
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- Prior art keywords
- blast furnace
- natural gas
- exhaust
- crucible
- valve
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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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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a kind of resistance-type circulating-heating natural gas blast furnaces, including gas sampling treatment box, blast furnace insulating layer, combustion chamber, crucible, the crucible side is provided with fireprotection layer, the side of the fireprotection layer is provided with the combustion chamber, exhaust steam passage is provided at the top of the combustion chamber, the side of the combustion chamber is provided with blast furnace, molten iron bell is provided at the top of the blast furnace, exhaust pipe is provided at the top of the molten iron bell, the side of the exhaust pipe is provided with exhaust valve.The utility model can prevent useless poisonous gas to be discharged into atmosphere, avoid influencing the health of worker, and it does not pollute the environment, reduce the discharge of exhaust gas, iron material is heated using natural gas, heating efficiency is high, using resistive heater to feedstock circulation homogeneous heating, sufficiently, setting blast furnace insulating layer keeps heat insulation effect best, and thermal loss is small.
Description
Technical field
The utility model relates to molten iron fields, more particularly to a kind of resistance-type circulating-heating natural gas blast furnace.
Background technique
Compare application number 201420554394.0 a kind of blast furnace of Chinese patent, including furnace body, emission-control equipment and
Concrete foundation, concrete foundation are provided with the furnace body slot for accommodating furnace body, and furnace body is connected in concrete foundation by rotary shaft,
The top of furnace body slot and one side opening, are provided with baffle in opening face, panel hinge is in concrete foundation, concrete foundation
Top be provided with hollow body and venthole, furnace body slot is connected to by venthole with hollow body, and the emission-control equipment includes useless
Gas recovery tube, condenser and aspiration pump, aspiration pump inlet end are connected by exhaust gas recycling tube with hollow body, aspiration pump outlet side
It is connected on condenser by exhaust gas recycling tube.The blast furnace in molten iron by the H 2 S-containing gas of generation siphon away processing after
It is discharged into atmosphere, not only will not influence the health of worker, but also do not pollute the environment, reduce the discharge of exhaust gas.It is above-mentioned
Patent heats iron material using blower, and heating efficiency is low, uneven, insufficient to raw material heating, and heat insulation effect is poor, heat
Amount loss is serious.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of resistance-type circulating-heating natural gas
Blast furnace.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of resistance-type circulating-heating natural gas blast furnace, including gas sampling treatment box, blast furnace insulating layer, burning
Room, crucible, the crucible side are provided with fireprotection layer, and the side of the fireprotection layer is provided with the combustion chamber, the combustion chamber
Top be provided with exhaust steam passage, the side of the combustion chamber is provided with blast furnace, is provided with molten iron at the top of the blast furnace
Bell is provided with exhaust pipe at the top of the molten iron bell, and the side of the exhaust pipe is provided with exhaust valve, the exhaust
The side of tube valve is provided with the gas sampling treatment box, and the side of the blast furnace is provided with the blast furnace insulating layer,
The side of the blast furnace insulating layer is provided with discharge valve, and the bottom of the discharge valve is provided with drainage conduit, the molten iron
The other side of furnace insulating layer is provided with natural gas air inlet pipe valve, and the bottom of the natural gas air inlet pipe valve is provided with natural gas
Air inlet pipe, the crucible surface are provided with resistive heater.
In above structure, opens the molten iron bell and iron material is added in the crucible, close the molten iron bell, beat
The natural gas air inlet pipe valve, the exhaust valve are opened, natural gas enters the burning by the natural gas air inlet pipe
Room burning opens simultaneously the resistive heater and heats to the crucible, and heat is by the fireprotection layer, the crucible to described
Raw material heating in crucible dissolves it, and the exhaust gas of generation is received by the exhaust steam passage, the exhaust pipe into the exhaust gas
Collection treatment box is processed, and raw material closes the natural gas air inlet pipe valve, the exhaust valve, the heating after being completely melt
Resistance wire continues to heat to the crucible, and the blast furnace insulating layer prevents heat loss, opens the discharge valve molten iron warp
Cross the drainage conduit outflow.
In order to further increase the solution thermal efficiency, prevent heat loss and exhaust emission, the crucible and the adding thermal resistance
Wire bond connects, and the fireprotection layer is Nian Jie with the crucible.
In order to further increase the solution thermal efficiency, prevent heat loss and exhaust emission, the blast furnace insulating layer with it is described
Blast furnace bonding, the molten iron bell are bolted with the blast furnace.
In order to further increase the solution thermal efficiency, prevent heat loss and exhaust emission, the exhaust pipe and the blast furnace
Lid grafting, the exhaust valve and the exhaust pipe grafting.
In order to further increase the solution thermal efficiency, prevent heat loss and exhaust emission, the exhaust valve gives up with described
Gas collects treatment box grafting, the drainage conduit and the crucible grafting.
In order to further increase the solution thermal efficiency, prevent heat loss and exhaust emission, the drainage conduit and the blow-off valve
Door grafting, the natural gas air inlet pipe and the blast furnace grafting.
In order to further increase the solution thermal efficiency, prevent heat loss and exhaust emission, the natural gas air inlet pipe valve with
The natural gas air inlet pipe grafting.
Beneficial effect is：It prevents useless poisonous gas to be discharged into atmosphere, avoids the health for influencing worker, and will not
Environment is polluted, the discharge of exhaust gas is reduced, iron material is heated using natural gas, heating efficiency is high, using resistive heater to original
Expect circulating-heating uniformly, sufficiently, setting blast furnace insulating layer keeps heat insulation effect best, and thermal loss is small.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of resistance-type circulating-heating natural gas blast furnace described in the utility model；
Fig. 2 is a kind of left view of resistance-type circulating-heating natural gas blast furnace described in the utility model；
Fig. 3 is a kind of crucible part drawing of resistance-type circulating-heating natural gas blast furnace described in the utility model.
The reference numerals are as follows：
1, exhaust pipe；2, exhaust valve；3, gas sampling treatment box；4, molten iron bell；5, blast furnace insulating layer；6, it melts
Iron furnace；7, discharge valve；8, drainage conduit；9, natural gas air inlet pipe；10, natural gas air inlet pipe valve；11, combustion chamber；12, it heats
Resistance wire；13, crucible；14, exhaust steam passage；15, fireprotection layer.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing：
As shown in Figure 1-Figure 3, a kind of resistance-type circulating-heating natural gas blast furnace, including gas sampling treatment box 3, molten iron
Furnace insulating layer 5, combustion chamber 11, crucible 13,13 side of crucible are provided with fireprotection layer 15, and crucible 13 is prevented for providing fusing environment
Fire bed 15 is for preventing direct combustion heating resistance wire 12, and combuster 11 is arranged in the side of fireprotection layer 15, and combustion chamber 11 is used for
Burn natural gas, and the top of combustion chamber 11 is provided with exhaust steam passage 14, and exhaust steam passage 14 generates exhaust gas, burning for burning to be discharged
The side of room 11 is provided with blast furnace 6, and blast furnace 6 is for carrying crucible 13, combustion chamber 11, fireprotection layer 15, the top of blast furnace 6
It is provided with molten iron bell 4,4 lid blast furnace 6 of molten iron bell, the top of molten iron bell 4 is provided with exhaust pipe 1, and exhaust pipe 1 is for flowing
Logical exhaust gas, the side of exhaust pipe 1 are provided with exhaust valve 2, and exhaust valve 2 is used to control the circulation of exhaust gas, blow off valve
The side of door 2 is provided with gas sampling treatment box 3, and gas sampling treatment box 3 is for collecting and handling exhaust gas, and the one of blast furnace 6
Side is provided with blast furnace insulating layer 5, and for preventing heat loss, the side of blast furnace insulating layer 5 is provided with blast furnace insulating layer 5
Discharge valve 7, discharge valve 7 is for controlling discharge of materials, and the bottom of discharge valve 7 is provided with drainage conduit 8, and drainage conduit 8 is used for
Circulate the material being discharged, and the other side of blast furnace insulating layer 5 is provided with natural gas air inlet pipe valve 10, natural gas air inlet pipe valve
10 for controlling the on-off of natural gas, and the bottom of natural gas air inlet pipe valve 10 is provided with natural gas air inlet pipe 9, natural gas air inlet
For pipe 9 for the natural gas that circulates, 13 surface of crucible is provided with resistive heater 12, and resistive heater 12 is equal to crucible 13 for recycling
Even heating.
In above structure, opens molten iron bell 4 and iron material is added in crucible 13, close molten iron bell 4, open natural gas
Air inlet pipe valve 10, exhaust valve 2, natural gas enter combustion chamber 11 by natural gas air inlet pipe 9 and burn, and open simultaneously heating
Resistance wire 12 is heated to crucible 13, and heat dissolves it to the raw material heating in crucible 13 by fireprotection layer 15, crucible 13, is generated
Exhaust gas enter that gas sampling treatment box 3 is processed, and raw material is closed natural after being completely melt by exhaust steam passage 14, exhaust pipe 1
Gas air inlet pipe valve 10, exhaust valve 2, resistive heater 12 continue to heat to crucible 13, and blast furnace insulating layer 5 prevents heat
It scatters and disappears, opens 7 molten iron of discharge valve and flowed out by drainage conduit 8.
In order to further increase the solution thermal efficiency, prevent heat loss and exhaust emission, crucible 13 and resistive heater 12 are welded
It connects, fireprotection layer 15 is Nian Jie with crucible 13, and blast furnace insulating layer 5 is Nian Jie with blast furnace 6, and molten iron bell 4 and blast furnace 6 pass through bolt
At connection, exhaust pipe 1 and 4 grafting of molten iron bell, exhaust valve 2 and 1 grafting of exhaust pipe, exhaust valve 2 and gas sampling
3 grafting of case, drainage conduit 8 and 13 grafting of crucible, drainage conduit 8 and 7 grafting of discharge valve are managed, natural gas air inlet pipe 9 and blast furnace 6 are inserted
It connects, natural gas air inlet pipe valve 10 and 9 grafting of natural gas air inlet pipe.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (7)
1. a kind of resistance-type circulating-heating natural gas blast furnace, it is characterised in that：Including gas sampling treatment box (3), blast furnace
Insulating layer (5), combustion chamber (11), crucible (13), crucible (13) side are provided with fireprotection layer (15), the fireprotection layer (15)
Side be provided with the combustion chamber (11), be provided with exhaust steam passage (14), the combustion chamber at the top of the combustion chamber (11)
(11) side is provided with blast furnace (6), is provided with molten iron bell (4) at the top of the blast furnace (6), the molten iron bell
(4) it is provided at the top of exhaust pipe (1), the side of the exhaust pipe (1) is provided with exhaust valve (2), the blow off valve
The side of door (2) is provided with the gas sampling treatment box (3), and the side of the blast furnace (6) is provided with the blast furnace and protects
The side of warm layer (5), the blast furnace insulating layer (5) is provided with discharge valve (7), the bottom setting of the discharge valve (7)
Have drainage conduit (8), the other side of the blast furnace insulating layer (5) is provided with natural gas air inlet pipe valve (10), the natural gas
The bottom of air inlet pipe valve (10) is provided with natural gas air inlet pipe (9), and crucible (13) surface is provided with resistive heater
(12)。
2. a kind of resistance-type circulating-heating natural gas blast furnace according to claim 1, it is characterised in that：The crucible
(13) it is welded with the resistive heater (12), the fireprotection layer (15) is Nian Jie with the crucible (13).
3. a kind of resistance-type circulating-heating natural gas blast furnace according to claim 1, it is characterised in that：The blast furnace
Insulating layer (5) is Nian Jie with the blast furnace (6), and the molten iron bell (4) is bolted with the blast furnace (6).
4. a kind of resistance-type circulating-heating natural gas blast furnace according to claim 1, it is characterised in that：The exhaust pipe
(1) with molten iron bell (4) grafting, the exhaust valve (2) and the exhaust pipe (1) grafting.
5. a kind of resistance-type circulating-heating natural gas blast furnace according to claim 1, it is characterised in that：The exhaust pipe
Valve (2) and gas sampling treatment box (3) grafting, the drainage conduit (8) and the crucible (13) grafting.
6. a kind of resistance-type circulating-heating natural gas blast furnace according to claim 1, it is characterised in that：The drainage conduit
(8) with the discharge valve (7) grafting, the natural gas air inlet pipe (9) and the blast furnace (6) grafting.
7. a kind of resistance-type circulating-heating natural gas blast furnace according to claim 1, it is characterised in that：The natural gas
Air inlet pipe valve (10) and the natural gas air inlet pipe (9) grafting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820364464.4U CN208124867U (en) | 2018-03-18 | 2018-03-18 | A kind of resistance-type circulating-heating natural gas blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820364464.4U CN208124867U (en) | 2018-03-18 | 2018-03-18 | A kind of resistance-type circulating-heating natural gas blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208124867U true CN208124867U (en) | 2018-11-20 |
Family
ID=64199207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820364464.4U Expired - Fee Related CN208124867U (en) | 2018-03-18 | 2018-03-18 | A kind of resistance-type circulating-heating natural gas blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208124867U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595222A (en) * | 2019-10-11 | 2019-12-20 | 北京中航天业科技有限公司 | Refining furnace flue gas collection device |
| CN111964462A (en) * | 2020-08-05 | 2020-11-20 | 巢湖宜安云海科技有限公司 | Waste heat recovery and waste gas collection system of metal smelting furnace |
-
2018
- 2018-03-18 CN CN201820364464.4U patent/CN208124867U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595222A (en) * | 2019-10-11 | 2019-12-20 | 北京中航天业科技有限公司 | Refining furnace flue gas collection device |
| CN111964462A (en) * | 2020-08-05 | 2020-11-20 | 巢湖宜安云海科技有限公司 | Waste heat recovery and waste gas collection system of metal smelting furnace |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181120 Termination date: 20210318 |