CN107723408A - Converter dry is dustless to unload grey method - Google Patents
Converter dry is dustless to unload grey method Download PDFInfo
- Publication number
- CN107723408A CN107723408A CN201711211586.6A CN201711211586A CN107723408A CN 107723408 A CN107723408 A CN 107723408A CN 201711211586 A CN201711211586 A CN 201711211586A CN 107723408 A CN107723408 A CN 107723408A
- Authority
- CN
- China
- Prior art keywords
- pneumatic
- valve
- cinder
- layer flap
- storehouse
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000003818 cinder Substances 0.000 claims abstract description 43
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 239000004568 cement Substances 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims abstract description 4
- 230000005484 gravity Effects 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 238000005261 decarburization Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 3
- 239000003517 fume Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/38—Removal of waste gases or dust
- C21C5/40—Offtakes or separating apparatus for converter waste gases or dust
-
- 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
Abstract
Grey method is unloaded the present invention relates to a kind of converter dry is dustless, is comprised the following steps：S1, the construction dustless ash discharging system of converter dry, it includes cinder storehouse, unloads grey supervisor, telescopic metal hose, accident ash-unloading tube, storehouse pump and pneumatic carrier；S2, hand operated gate valve and the first pneumatic double-layer flap valve are opened, or accident hand operated gate valve and the second pneumatic double-layer flap valve are opened, cinder unloads to bulk cement truck or enters the pump that puts in storage under gravity, after storehouse stock is full, the second pneumatic double-layer flap valve is closed, opens the second pneumatic ball valve, cinder is fully fluidized, the 3rd pneumatic double-layer flap valve is opened, uniform gas ash mixture is fluidized and bulk cement truck is delivered to by pneumatic carrier, has conveyed and has purged clean；S3, the first pneumatic double-layer flap valve is closed, or close the second pneumatic ball valve and the 3rd pneumatic double-layer flap valve.The present invention produces a large amount of steam after not only solving the problems, such as high temperature cinder humidification, also solves the problems, such as the reentrainment of dust caused by unloading grey drop greatly.
Description
Technical field
The present invention relates to field of environment protection equipment, and grey method is unloaded more specifically to a kind of converter dry is dustless.
Background technology
As new environmental protection standard improves constantly, newly-built and reconstruction converter mostly uses dry-dedusting system.Evaporate cold
But the cinder storehouse delivered to by built-in double-chain type conveyor in main building of high temperature cinder that device is collected, transported outward by automobile after humidification.
The problem of existing converter dry dedusting cinder ash discharging system is primarily present：First, cinder-discharging port is from bulk cement truck farther out,
Drop is big, easily causes reentrainment of dust；Second, producing a large amount of steam after the cinder humidification of high temperature, building ring in main building is influenceed
Border.
The content of the invention
The technical problem to be solved in the present invention is, there is provided a kind of converter dry is dustless to unload grey method, not only solves height
The problem of producing a large amount of steam after warm cinder humidification, also solves the problems, such as the reentrainment of dust caused by unloading grey drop greatly.
The technical solution adopted for the present invention to solve the technical problems is：Construct that a kind of converter dry is dustless to unload grey method,
Comprise the following steps：
S1, the construction dustless ash discharging system of converter dry, it includes cinder storehouse, unloads grey supervisor, telescopic metal hose, accident
Ash-unloading tube, storehouse pump and pneumatic carrier；
The cinder-discharging port in the cinder storehouse and the telescopic metal hose are responsible for connection by the ash that unloads, described to unload grey master
Pipe is provided with hand operated gate valve and the first pneumatic double-layer flap valve；
Pulse valve is provided with the top of the telescopic metal hose, the telescopic metal hose passes through the hoist engine liter
Drop；The pulse valve inlet is provided with the first pneumatic ball valve；
The storehouse pump is connected by accident ash-unloading tube with the cinder storehouse, and the accident ash-unloading tube is inserted manually provided with accident
Plate valve and the second pneumatic double-layer flap valve；
The nitrogen tube is divided into two-way, is connected all the way with the pulse valve, another way and the fluidized disk and gas of the storehouse pump
Power delivery pipe connects；
The storehouse pump fluidized disk entrance is provided with the second pneumatic ball valve, and the storehouse pump discharge is provided with the 3rd pneumatic Double layer turning plate
Valve；The 3rd pneumatic double-layer flap valve is located on the pneumatic carrier；
S2, hand operated gate valve and the first pneumatic double-layer flap valve are opened, and telescopic metal hose is dropped by hoist engine
To low level, or accident hand operated gate valve and the second pneumatic double-layer flap valve are opened, cinder unload under gravity to bulk cement truck or
Enter the pump that puts in storage, after storehouse stock is full, close the second pneumatic double-layer flap valve, open the second pneumatic ball valve, cinder is fully fluidized, beaten
The 3rd pneumatic double-layer flap valve is opened, uniform gas ash mixture is fluidized and bulk cement truck is delivered to by pneumatic carrier, conveyed and blown
Sweep clean；
S3, the first pneumatic double-layer flap valve is closed, telescopic metal hose is risen to a high position by hoist engine, or is closed
Second pneumatic ball valve and the 3rd pneumatic double-layer flap valve.
In such scheme, the cinder the top of the warehouse is provided with simple sack cleaner and vacuum pressure relief valve, the cinder
Under storehouse nitrogen fluidizer is provided with cone bucket.
In such scheme, the hand operated gate valve or accident hand operated gate valve are normally opened, close during maintenance.
In such scheme, the converter is decarburization converter or dephosphorization converter or lava homogenizing furnace or stainless steel or vanadium extraction
Converter.
In such scheme, nitrogen pressure >=0.6MPa for being conveyed in the step S2.
The converter dry of the implementation present invention is dustless to unload grey method, has the advantages that：
1st, present invention eliminates humidification to unload ash, is produced when unloading ash without steam, working environment substantially improves in main building；
2nd, cinder storehouse unload ash using it is dustless unload grey and Geldart-D particle by the way of, non-flour dust overflow when unloading ash is more environmentally friendly.
3rd, the present invention produces a large amount of steam after not only solving the problems, such as high temperature cinder humidification, also solves and falls due to unloading ash
The problem of poor big caused reentrainment of dust, it is especially suitable for dry fume dedusting project of converter, has a extensive future.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the schematic diagram of the dustless ash discharging system of converter dry；
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now compares accompanying drawing and describe in detail
The embodiment of the present invention.
The converter dry of the present invention is dustless to be unloaded grey method and comprises the following steps：
S1, the construction dustless ash discharging system of converter dry, as shown in figure 1, it includes cinder storehouse 1, unloads ash supervisor 5, be telescopic
Metal hose 8, accident ash-unloading tube 11, storehouse pump 14 and pneumatic carrier 19.
The cinder-discharging port in cinder storehouse 1 and telescopic metal hose 8 are responsible for 5 connections by unloading ash, unload ash supervisor 5 and are provided with manually
6 and first pneumatic double-layer flap valve 7 of push-pull valve.
The top of cinder storehouse 1 is provided with simple sack cleaner 2 and vacuum pressure relief valve 3.Simple sack cleaner 2 is used to receive
Collect the dust of the top of cinder storehouse 1 discharge.Vacuum pressure relief valve 3 is used to prevent that the internal pressure of cinder storehouse 1 is excessive.Under cinder storehouse 1
It is used to reduce the coal gas being mingled with cinder temperature, dilution cinder provided with nitrogen fluidizer 4 in cone bucket and prevents cinder from luming.
The telescopic top of metal hose 8 is provided with pulse valve 10, and pulse valve 10, which is used to remove in telescopic metal hose 8, to be remained
Cinder.Telescopic metal hose 8 is lifted by hoist engine 9, reaches the ash inlet of bulk cement truck 21.
Storehouse pump 14 is connected by accident ash-unloading tube 11 with cinder storehouse 1, and accident ash-unloading tube 11 is provided with accident hand operated gate valve
12 and the second pneumatic double-layer flap valve 13.When 12 and second pneumatic double-layer flap valve 13 of accident hand operated gate valve is opened, cinder storehouse 1
Interior cinder enters to put in storage in pump 14 by accident ash-unloading tube 11.
Nitrogen tube 16 is divided for two-way, is connected all the way with pulse valve 10, another way and the fluidized disk of storehouse pump 14 and pneumatic carrier
19 connections.
The entrance of pulse valve 10 is provided with the first pneumatic ball valve 17, when the first pneumatic ball valve 17 is opened, the jetting deashing of pulse valve 10.
The fluidized disk entrance of storehouse pump 14 is provided with the second pneumatic ball valve 18, and the outlet of storehouse pump 14 is provided with the 3rd pneumatic double-layer flap valve
20.3rd pneumatic double-layer flap valve 20 is located on pneumatic carrier 19.
S2, conveying：6 and first pneumatic double-layer flap valve 7 of hand operated gate valve is opened, and telescopic metal hose 8 passes through elevator
Machine 9 is down to low level, or 12 and second pneumatic double-layer flap valve 13 of accident hand operated gate valve is opened, and cinder is under gravity
Unload to bulk cement truck 21 or the pump 14 that enters to put in storage, after the material of storehouse pump 14 is full, close the second pneumatic double-layer flap valve 13, open the second Pneumatic ball
Valve 18, cinder is fully fluidized, open the 3rd pneumatic double-layer flap valve 20, fluidize uniform gas ash mixture and pass through Geldart-D particle
Pipe 19 delivers to bulk cement truck 21, has conveyed and has purged clean；
S3, the first pneumatic double-layer flap valve 7 is closed, telescopic metal hose 8 is risen to a high position by hoist engine 9, or
Close the second pneumatic ball valve 18 and the 3rd pneumatic double-layer flap valve 20；Telescopic metal hose 8 or storehouse pump 14 recover feed status.
Hand operated gate valve 6 or accident hand operated gate valve 12 are normally opened, close during maintenance.
The present invention telescopic metal hose 8 or storehouse pump 14 using interruption it is defeated it is grey by the way of.A cinder is often conveyed, is
One cyclic process, each circulation include S2-S3 totally 2 steps.
Further, the material in cinder storehouse 1 is carbon steel or boiler steel.
Further, the material of telescopic metal hose 8 is stainless steel.
Further, hoist engine installation capacitance：1.0~10kW.
Further, the capacity of storehouse pump 14：1.0~10m3, pneumatic carrier 19 has choke preventing function.
The dustless converter unloaded in grey method of converter dry of the present invention is defined as：Decarburization converter or dephosphorization converter or lava homogenizing
Stove or stainless steel or converter extracting vanadium.Method in the present embodiment is applied to dry fume dedusting of 50t~350t converters
Cinder unloads ash.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (5)
1. a kind of converter dry is dustless to unload grey method, it is characterised in that comprises the following steps：
S1, the construction dustless ash discharging system of converter dry, it, which includes cinder storehouse, unloads ash supervisor, telescopic metal hose, accident unloads ash
Pipe, storehouse pump and pneumatic carrier；
The cinder-discharging port in the cinder storehouse and the telescopic metal hose unload ash supervisor's connection by described, and the ash that unloads is responsible for
Provided with hand operated gate valve and the first pneumatic double-layer flap valve；
Pulse valve is provided with the top of the telescopic metal hose, the telescopic metal hose is lifted by the hoist engine；Institute
State pulse valve inlet and be provided with the first pneumatic ball valve；
The storehouse pump is connected by accident ash-unloading tube with the cinder storehouse, and the accident ash-unloading tube is provided with accident hand operated gate valve
With the second pneumatic double-layer flap valve；
The nitrogen tube is divided into two-way, is connected all the way with the pulse valve, another way and the fluidized disk and pneumatic transporting of the storehouse pump
Pipe is sent to connect；
The storehouse pump fluidized disk entrance is provided with the second pneumatic ball valve, and the storehouse pump discharge is provided with the 3rd pneumatic double-layer flap valve；Institute
The 3rd pneumatic double-layer flap valve is stated to be located on the pneumatic carrier；
S2, hand operated gate valve and the first pneumatic double-layer flap valve are opened, and telescopic metal hose is down to low by hoist engine
Position, or accident hand operated gate valve and the second pneumatic double-layer flap valve are opened, and cinder unloads to bulk cement truck or entrance under gravity
Storehouse pump, after storehouse stock is full, the second pneumatic double-layer flap valve is closed, the second pneumatic ball valve is opened, cinder is fully fluidized, open the
Three pneumatic double-layer flap valves, fluidize uniform gas ash mixture and bulk cement truck is delivered to by pneumatic carrier, conveyed and purged dry
Only；
S3, the first pneumatic double-layer flap valve is closed, telescopic metal hose is risen to a high position by hoist engine, or closes second
Pneumatic ball valve and the 3rd pneumatic double-layer flap valve.
2. converter dry according to claim 1 is dustless to unload grey method, it is characterised in that the cinder the top of the warehouse is provided with letter
Easy sack cleaner and vacuum pressure relief valve, nitrogen fluidizer is provided with cone bucket under the cinder storehouse.
3. converter dry according to claim 1 is dustless to unload grey method, it is characterised in that the hand operated gate valve or accident
Hand operated gate valve is normally opened, closes during maintenance.
4. converter dry according to claim 1 is dustless to unload grey method, it is characterised in that the converter be decarburization converter or
Dephosphorization converter or lava homogenizing furnace or stainless steel or converter extracting vanadium.
5. converter dry according to claim 1 is dustless to unload grey method, it is characterised in that the nitrogen conveyed in the step S2
Atmospheric pressure >=0.6MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711211586.6A CN107723408A (en) | 2017-11-28 | 2017-11-28 | Converter dry is dustless to unload grey method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711211586.6A CN107723408A (en) | 2017-11-28 | 2017-11-28 | Converter dry is dustless to unload grey method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107723408A true CN107723408A (en) | 2018-02-23 |
Family
ID=61219620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711211586.6A Pending CN107723408A (en) | 2017-11-28 | 2017-11-28 | Converter dry is dustless to unload grey method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107723408A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019105111A1 (en) * | 2017-11-28 | 2019-06-06 | 中冶南方工程技术有限公司 | Dry method dust-free dust discharging system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3372528A (en) * | 1965-07-15 | 1968-03-12 | Gottfried Bischoff Kg Bau Komp | Method of and apparatus for the removal of dust from converter and other exhaust gases |
| CN101544363A (en) * | 2008-03-26 | 2009-09-30 | 贵阳铝镁设计研究院 | Telescopic ash discharge device |
| CN201454313U (en) * | 2009-08-14 | 2010-05-12 | 重庆钢铁(集团)有限责任公司 | Dustproof ash discharging device |
| CN201605046U (en) * | 2009-12-23 | 2010-10-13 | 鞍钢集团工程技术有限公司 | Dust-removing and dust-discharging device |
| CN103333986A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Converter coal gas dry dedusting and cinder pneumatic transmission system |
| CN205170899U (en) * | 2015-06-30 | 2016-04-20 | 中冶南方工程技术有限公司 | Converter gas dry de -dusting cinder pneumatic conveying system |
| CN107126793A (en) * | 2017-06-02 | 2017-09-05 | 江苏省冶金设计院有限公司 | Water curtain style dustless ash unloading device |
-
2017
- 2017-11-28 CN CN201711211586.6A patent/CN107723408A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3372528A (en) * | 1965-07-15 | 1968-03-12 | Gottfried Bischoff Kg Bau Komp | Method of and apparatus for the removal of dust from converter and other exhaust gases |
| CN101544363A (en) * | 2008-03-26 | 2009-09-30 | 贵阳铝镁设计研究院 | Telescopic ash discharge device |
| CN201454313U (en) * | 2009-08-14 | 2010-05-12 | 重庆钢铁(集团)有限责任公司 | Dustproof ash discharging device |
| CN201605046U (en) * | 2009-12-23 | 2010-10-13 | 鞍钢集团工程技术有限公司 | Dust-removing and dust-discharging device |
| CN103333986A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Converter coal gas dry dedusting and cinder pneumatic transmission system |
| CN205170899U (en) * | 2015-06-30 | 2016-04-20 | 中冶南方工程技术有限公司 | Converter gas dry de -dusting cinder pneumatic conveying system |
| CN107126793A (en) * | 2017-06-02 | 2017-09-05 | 江苏省冶金设计院有限公司 | Water curtain style dustless ash unloading device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019105111A1 (en) * | 2017-11-28 | 2019-06-06 | 中冶南方工程技术有限公司 | Dry method dust-free dust discharging system |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |
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| RJ01 | Rejection of invention patent application after publication |