CN205473859U - High furnace charge jar diffuses gas recovery system - Google Patents
High furnace charge jar diffuses gas recovery system Download PDFInfo
- Publication number
- CN205473859U CN205473859U CN201620252877.4U CN201620252877U CN205473859U CN 205473859 U CN205473859 U CN 205473859U CN 201620252877 U CN201620252877 U CN 201620252877U CN 205473859 U CN205473859 U CN 205473859U
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- ash
- diffusion
- sack cleaner
- gas piping
- gas
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- Y02P10/212—
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- Air Transport Of Granular Materials (AREA)
- Blast Furnaces (AREA)
Abstract
The utility model relates to a high furnace charge jar diffuses gas recovery system, include that the valves is diffused in the blast furnace feeding system, the voltage -sharing that feed through in proper order, a gas piping sweeps the system of diffusing and sack cleaner system, the discharge gate intercommunication of this sack cleaner system bottom has the dust remover to unload ash conveying system, and the air inlet is linked together with nitrogen system, and the outlet valve group of this sack cleaner system sweeps the system of diffusing and gas piping system intercommunication through the 2nd gas piping. The utility model has the advantages that: can be high -efficient coal gas for the favourable terrain, reduce air pollution effectively, and can be so that equipment obtains longer life.
Description
Technical field
This utility model relates to a kind of blast furnace bucket emission coal gas recovery system, particularly relates to a kind of for steel industry
Blast furnace bucket emission coal gas recovery system.
Background technology
Charging of blast furnace is typically provided two batch cans, and a batch can is when high furnace charge, and another batch can is by charging of blast furnace
System is feeding in batch can, and two batch cans are by the chain work of Valve controlling.Batch can, when high furnace charge, is closed into product valve,
To batch can pressurising, after making material pressure inside the tank Jun Heng with blast furnace top pressure, opening batch can outlet valve, batch can adds in blast furnace
Material, after having fed, closes batch can outlet valve, is now full of blast furnace gas in batch can, and blast furnace gas removes through cyclone dust extractor
After dirt, diffusing in air pressure equalizing blow off valve, in batch can after gas emptying, batch can imported valve opened by material, starts on blast furnace
Material system feeds to batch can, so circulates.Each circulation about 5-7 minute.But substantial amounts of blast furnace during above-mentioned charging of blast furnace
Coal gas diffusion can form the biggest waste and cause environmental pollution.
Summary of the invention
This utility model overcomes the deficiencies in the prior art, it is provided that a kind of blast furnace bucket emission coal gas recovery system, can
To utilize coal gas efficiently, effectively reduce air pollution, and so that equipment obtains longer service life.This practicality is new
The technical scheme of type is: blast furnace bucket emission coal gas recovery system, including the Research for Feeding Raw Materials System being sequentially communicated, pressure equalizing blow off valve
Group, the first gas piping purging diffusion system and sack cleaner system；The discharging opening connection of this sack cleaner system bottom
Having cleaner unit to unload ash-transmission system, air inlet is connected with nitrogen system, and the outlet valve group of this sack cleaner system is by the
Two gas pipings purging diffusion systems and gas piping system connectivity, described Research for Feeding Raw Materials System, pressure equalizing blow off valve group, first
Gas piping purging diffusion system, the second gas piping purging diffusion system, sack cleaner system and cleaner unit unload defeated ash system
Unite equal access control system.
Described Research for Feeding Raw Materials System includes batch can, material inlet valve, discharge valve and cyclone dust extractor, the top of described batch can
Being provided with material inlet valve, bottom is provided with discharge valve, is provided with cyclone dust extractor at the gas outlet of this batch can upper end.
The first described gas piping purging diffusion system and the system structure phase of the second gas piping purging diffusion system
With, all include diffuse channel and the diffusion valve being arranged on diffuse channel.
Described sack cleaner system includes sack cleaner body and is arranged on entering on sack cleaner body
Mouth valve group and outlet valve group, the imported valve group of this sack cleaner body and the first gas piping purging diffusion system
Diffuse channel connects, and outlet valve group purges diffuse channel and the gas piping system of diffusion system by the second gas piping.
Described cleaner unit unloads ash-transmission system and includes unloading ash-transmission system body, ash conveying pipe and ash-storing bin, described in unload defeated ash system
System body is connected to described sack cleaner system bottom, is connected with ash-storing bin by ash conveying pipe, and described ash conveying pipe is also
Connect with described nitrogen system.
The utility model has the advantages that: native system is to be added in cyclone dust extractor (cyclone dust extractor is coarse filter, its row
Putting concentration is 20～30g/Nm3After) so that original gas directly discharges after cyclone dust extractor and changes into through bag-type dust
Discharge again after system, by the gas dust content 25g/Nm after cyclone dust extractor3Meter, the amount of dust of every young discharge is 1028.5
Ton, reduces air pollution the most to a great extent；It is substantially reduced due to the gas dust content of discharge again so that former whirlwind removes
A series of equipment such as pressure-equalizing and discharging valve after dirt device, deafener, work in relatively clean medium, extend the use longevity
Life.
Accompanying drawing explanation
Fig. 1 is agent structure schematic diagram of the present utility model.
Detailed description of the invention
Further describing this utility model, advantage of the present utility model and feature below in conjunction with specific embodiment will be with
Description and apparent.But these embodiments are only exemplary, scope of the present utility model is not constituted any restriction.
It will be understood by those skilled in the art that can be to this utility model skill under without departing from spirit and scope of the present utility model
The details of art scheme and form are modified or replace, but these amendments and replacement each fall within protection domain of the present utility model
In.
Seeing Fig. 1, this utility model relates to a kind of blast furnace bucket emission coal gas recovery system, including the blast furnace being sequentially communicated
Feeding system 1, pressure equalizing blow off valve group the 2, first gas piping purging diffusion system 3-1 and sack cleaner system 4；This cloth bag removes
Discharging opening bottom dirt device system 4 is communicated with cleaner unit and unloads ash-transmission system 5, and air inlet and nitrogen system (include nitrogen storage tank 21
And the connecting pipe 22 being connected on nitrogen storage tank) be connected, the outlet valve group of this sack cleaner system 4 17 is by the
Two gas pipings purging diffusion system 3-2 connect with gas piping system 7, described Research for Feeding Raw Materials System 1, pressure equalizing blow off valve group
2, the first gas piping purging diffusion system 3-1, the second gas piping purge diffusion system 3-2, sack cleaner system 4 and remove
Dirt device unloads the equal access control system 8 of ash-transmission system 5.
Described Research for Feeding Raw Materials System 1 includes batch can 9, material inlet valve 10, discharge valve 11 and cyclone dust extractor 12, described material
The top of tank 9 is provided with material inlet valve 10, and bottom is provided with discharge valve 11, is provided with at the gas outlet of this batch can 9 upper end
Cyclone dust extractor 12.
The first described gas piping purging diffusion system 3-1 and the system of the second gas piping purging diffusion system 3-2
Structure is identical, all includes diffuse channel and the diffusion valve being arranged on diffuse channel.Wherein the first gas piping purging diffuses
The diffuse channel 14-1 of system 3-1, diffusion valve 13-1；The diffuse channel 14-2 of the second gas piping purging diffusion system 3-2, puts
Dissipate valve 13-2；
Described sack cleaner system 4 includes sack cleaner body 15 and is arranged on sack cleaner body 15
Imported valve group 16 and outlet valve group 17, the imported valve group 16 of this sack cleaner body and the first gas piping purging
The diffuse channel 14-1 connection of diffusion system, outlet valve group 17 is by the diffuse channel of the second gas piping purging diffusion system
14-2 and gas piping system 7.
Described cleaner unit unloads ash-transmission system 5 and includes unloading ash-transmission system body 18, ash conveying pipe 19 and ash-storing bin 20, described in unload
Ash-transmission system body 118 is connected to, bottom described sack cleaner system 4, be connected with ash-storing bin 20 by ash conveying pipe 19, institute
The ash conveying pipe 19 stated also with nitrogen system connect.
Operation principle of the present utility model is: batch can coal gas is drawn from furnace roof cyclone dust extractor 12 outlet, opens and all presses
Dissipating valve group 2, the diffusion valve 13-1 of the first gas piping purging diffusion system 3-1, batch can coal gas enters the first coal with certain flow rate
The diffuse channel 14-1 of feed channel purging diffusion system 3, opens the imported valve group 16 of sack cleaner system 4, and coal gas enters
Sack cleaner body 15 carries out filtration, purification, opens the outlet valve group 17 of sack cleaner system 4, and the coal gas of cleaning passes through
The diffuse channel 14-2 of the second gas piping purging diffusion system 3-2 accesses gas piping system 7, for user.Nitrogen system
System 6 provides gas by breather line to sack cleaner body 15 so that produce pressure reduction with sack cleaner body 15, thus
Carry out deashing blowback work；The dust that sack cleaner body 15 is collected is realized discharge, conveying by unloading ash-transmission system body 18
With temporary；The dust that wherein sack cleaner body 15 is collected enters after unloading ash-transmission system body 18, by ash conveying pipe 19
Enter ash-storing bin 20 to keep in, and the most defeated ash gas is also provided by nitrogen system 6.Control system 8 automatically controls all as requested
Pressure diffusion valve group 2 and the work of Research for Feeding Raw Materials System 1, sack cleaner body 15 and imported valve group 16 and outlet valve group 17
Work and cleaner unit unload the control work of ash-transmission system.
Claims (5)
1. a blast furnace bucket emission coal gas recovery system, it is characterised in that include the Research for Feeding Raw Materials System being sequentially communicated, all press
Diffusion valve group, the first gas piping purging diffusion system and sack cleaner system；The discharging of this sack cleaner system bottom
Mouth is communicated with cleaner unit and unloads ash-transmission system, and air inlet is connected with nitrogen system, the outlet valve group of this sack cleaner system
By the second gas piping purging diffusion system and gas piping system connectivity, described Research for Feeding Raw Materials System, pressure equalizing blow off valve
Group, the first gas piping purging diffusion system, the second gas piping purging diffusion system, sack cleaner system and cleaner unit unload
The equal access control system of ash-transmission system.
Blast furnace bucket emission coal gas recovery system the most according to claim 1, it is characterised in that described Research for Feeding Raw Materials System
Including batch can, material inlet valve, discharge valve and cyclone dust extractor, the top of described batch can is provided with material inlet valve, and bottom is arranged
There is discharge valve, at the gas outlet of this batch can upper end, cyclone dust extractor is installed.
Blast furnace bucket emission coal gas recovery system the most according to claim 2, it is characterised in that the first described gas pipe
The system structure of road purging diffusion system and the second gas piping purging diffusion system is identical, all includes diffuse channel and setting
Diffusion valve on diffuse channel.
Blast furnace bucket emission coal gas recovery system the most according to claim 1, it is characterised in that described bag-type dust
Device system includes sack cleaner body and the imported valve group being arranged on sack cleaner body and outlet valve group, should
The imported valve group of sack cleaner body connects with the diffuse channel of the first gas piping purging diffusion system, outlet valve group
By diffuse channel and the gas piping system of the second gas piping purging diffusion system.
Blast furnace bucket emission coal gas recovery system the most according to claim 1, it is characterised in that described cleaner unit unloads defeated
Ash system includes unloading ash-transmission system body, ash conveying pipe and ash-storing bin, described in unload ash-transmission system body and be connected to described cloth bag and remove
Dirt device system bottom, is connected with ash-storing bin by ash conveying pipe, and described ash conveying pipe also connects with described nitrogen system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620252877.4U CN205473859U (en) | 2016-03-30 | 2016-03-30 | High furnace charge jar diffuses gas recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620252877.4U CN205473859U (en) | 2016-03-30 | 2016-03-30 | High furnace charge jar diffuses gas recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205473859U true CN205473859U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620252877.4U Active CN205473859U (en) | 2016-03-30 | 2016-03-30 | High furnace charge jar diffuses gas recovery system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205473859U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109234482A (en) * | 2018-08-31 | 2019-01-18 | 首钢集团有限公司 | A kind of full recovery system of furnace top material tank for blast furnace emission coal gas and its safety inspection method |
| CN109234481A (en) * | 2018-08-31 | 2019-01-18 | 首钢集团有限公司 | A kind of full recovery method of furnace top material tank for blast furnace emission coal gas and system |
-
2016
- 2016-03-30 CN CN201620252877.4U patent/CN205473859U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109234482A (en) * | 2018-08-31 | 2019-01-18 | 首钢集团有限公司 | A kind of full recovery system of furnace top material tank for blast furnace emission coal gas and its safety inspection method |
| CN109234481A (en) * | 2018-08-31 | 2019-01-18 | 首钢集团有限公司 | A kind of full recovery method of furnace top material tank for blast furnace emission coal gas and system |
| CN109234482B (en) * | 2018-08-31 | 2020-08-25 | 首钢集团有限公司 | Full recovery system for coal gas diffused by blast furnace top charging bucket and safety maintenance method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |