CN216538893U - Material device is thrown to mill dry coke quenching aggregate - Google Patents
Material device is thrown to mill dry coke quenching aggregate Download PDFInfo
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- CN216538893U CN216538893U CN202122628298.9U CN202122628298U CN216538893U CN 216538893 U CN216538893 U CN 216538893U CN 202122628298 U CN202122628298 U CN 202122628298U CN 216538893 U CN216538893 U CN 216538893U
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- pipe
- star type
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- 239000000463 material Substances 0.000 title claims abstract description 24
- 238000010791 quenching Methods 0.000 title claims abstract description 14
- 230000000171 quenching effect Effects 0.000 title claims abstract description 14
- 239000000571 coke Substances 0.000 title claims abstract description 12
- 239000003245 coal Substances 0.000 claims abstract description 38
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000008187 granular material Substances 0.000 claims abstract description 11
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000007689 inspection Methods 0.000 abstract description 2
- 230000001502 supplementing effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 15
- 238000007599 discharging Methods 0.000 description 10
- 238000000227 grinding Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005486 microgravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Disintegrating Or Milling (AREA)
Abstract
A dry quenching granule feeding device of a mill comprises a coke suction and discharge vehicle and a coal mill; still include nitrogen gas pressure device, feed bin, star type unloading valve, join the device, inhale the row burnt car and pass through the pipe connection feed bin, nitrogen gas pressure device connects and inhales row burnt car outlet pipe way, star type unloading valve is installed in the bottom of feed bin, and star type unloading valve connects simultaneously and joins the device, join the device and converge into the coal pulverizer with feeder unloading pipe jointly and throw the material entry. The utility model is used for supplementing the particle materials which are not easy to absorb water within 20mm and used by the grinder, meets the use requirements of various particle grinder production, eliminates the fussy operation of manual inspection, and ensures the safety production of the grinder.
Description
Technical Field
The utility model relates to the field of metallurgical mechanical equipment, in particular to a dry quenching aggregate feeding device of a mill.
Background
A certain iron and steel company originally designs and adopts an HP scheme, single-variety coal particles within 20mm are used, the cost of raw coal produced by blowing of the company is low, and for the reason of controlling the cost, in order to save fuel expenses, 15% -20% of coke powder, coke particles, dust removal ash recycled by a steel making furnace or a blast furnace and other industrial waste solid particles need to be added into the raw coal. In the original system, 2 sets of 60 vertical dry quenching stirring spraying devices are built in 2002, and the mixed water is added into an original coal bed on a belt through a spraying stirrer and then is conveyed to a pulverized coal bin through a belt system. The material used by the coal mill in the original design is put into the original coal bed on the belt after being mixed by adding water through the spraying stirrer, and is transported to the pulverized coal bin through the belt system. However, the indexes of water absorption, specific gravity, water absorption and the like of various mixed granular materials are different, so that in the process of belt transportation and feeding and the actual production process of a coal mill, because the water absorption of raw coal of pulverized coal granules and waste solid granules is insufficient, the mixture is not uniform, the dust in a workshop is serious, the granules escape and the environment is polluted. The manual operation, the regular inspection can only be observed by naked eyes, and the machine can only stop and drop dust when the dust is seriously raised. The existing solution is to install a set of microgravity dust removal system during annual repair, but the effect is not ideal all the time, the limited factor of the mill system is too much, and the stable production of the coal mill is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dry quenching granule feeding device of a grinding machine, which is used for supplementing the use of particle materials which are less prone to water absorption and within 20mm of the grinding machine, meeting the use requirements of various particle grinding machine production, eliminating complex operation and guaranteeing safe production of the grinding machine.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a dry quenching granule feeding device of a mill comprises a coke suction and discharge vehicle and a coal mill; still include nitrogen gas pressure device, feed bin, star type unloading valve, join the device, inhale the row burnt car and pass through the pipe connection feed bin, nitrogen gas pressure device connects and inhales row burnt car outlet pipe way, star type unloading valve is installed in the bottom of feed bin, and star type unloading valve connects simultaneously and joins the device, join the device and converge into the coal pulverizer with feeder unloading pipe jointly and throw the material entry.
The converging device comprises an inclined discharging pipe and a converging sleeve, the converging sleeve is connected with a feeding inlet of the coal mill, the discharging pipe of the coal feeder is inserted into the converging sleeve, and the inclined discharging pipe is communicated with the converging sleeve.
The storage bin is 60m3~100m3A storage bin.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model has the advantages that various materials can be flexibly used, large-particle dedusting ash, coke dry quenching 20mm coke breeze powder, combustible light particles with poor hygroscopicity and difficult mixing with other materials, plastic micro powder particles with later auxiliary high heat, chemical residual particles and carbonized crystal micro powder with petrochemical high heat value can be recovered by a blast furnace system, and non-water-absorbing material particles can be mixed and put into a coal mill. The function of preparing the coal powder for injection by mixing various materials of the mill is added. The belt system is not required to be used for open transportation, dust hazards are reduced, workers are prevented from suffocating in dust areas, and fire and explosion accidents are avoided. The defects of dust emission and environmental pollution are avoided, and the problem of influencing discontinuous production of a belt system is eliminated. The life health of human body is protected, and the production rhythm is stabilized. The safe, controllable, healthy and stable production environment of the blast furnace is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of a mill dry quenching granular material feeding device of the utility model;
FIG. 2 is a schematic view of the construction of the confluence means in the present invention.
In the figure: 1. the coke feeding and discharging device comprises a coke suction and discharging vehicle, a pipeline 2, a bunker 3, a star-shaped ash discharge valve 4, a converging device 5, a coal mill 6, a nitrogen pressurizing device 7, an inclined discharging pipe 8, a coal feeder discharging pipe 9, a converging sleeve 10, a coal mill feeding inlet 11 and a coal feeder 12.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, a dry quenching granule feeding device of a mill comprises a coke suction and discharge vehicle 1 and a coal mill 6; still include nitrogen gas pressure device 7, feed bin 3, star type dust discharging valve 4, converge device 5, inhale row burnt car 1 and connect feed bin 3 through pipeline 2, nitrogen gas pressure device 7 is connected and is inhaled row burnt car 1 outlet pipe, star type dust discharging valve 4 is installed in the bottom of feed bin 3, and star type dust discharging valve 4 is connected simultaneously and is converged device 5, converge device 5 and feeder unloading pipe 9 and converge into the coal pulverizer jointly and throw material entry 11.
Referring to fig. 2, the converging device 5 comprises a slant blanking pipe 8 and a converging sleeve 10, the converging sleeve 10 is connected with a coal mill feeding inlet 11, the coal feeder blanking pipe 9 is inserted into the converging sleeve 10, and the slant blanking pipe 8 is communicated with the converging sleeve 10.
The feed bin 3 is 60m3~100m3A storage bin.
The specific working process is as follows:
the particle materials are connected into the pipeline 2 by the suction and discharge tank car 1 arranged outside, the particle materials are pressurized by nitrogen through the nitrogen pressurizing device 4 arranged on the pipeline 2, the mixed particle materials are sprayed into the ascending pipeline 2 through the suction and discharge tank car 1, and the particle materials are sprayed into the storage bin 3 through the pipeline 2. A star-shaped ash discharge valve 4 is arranged below the stock bin 3, the blanking amount is adjusted, so that the particle materials enter a converging device 5 above a feeding inlet 11 of the coal mill through the stock bin 3, and are fed into the coal mill 6 together with the blanking of a coal feeder 12 to participate in the grinding process of the coal particles in the coal mill 6.
The converging device 5 is of a double-layer sleeve structure, the feeding pipe 9 of the coal feeder directly leads into the middle pipe area of the converging device 5 to feed materials, converging particle materials are fed at the periphery, the materials fall in different areas and are not interfered mutually, the device can reduce covering materials, and the feeding pipe resistance during the production of the mill is eliminated.
Meanwhile, a vehicle inlet pipeline filter of the suction and discharge tank car 1 is added, and the blockage of the pipeline caused by throwing the sundries is reduced.
The device provided by the utility model can be used for storing and storing materials in a closed manner, and is safe and dustless. The problem of original mill material loading belt system production pollution raise dust can't be restrained is solved, the material that original dry coke quenching agitated vessel mixes, partial heavy metal dust escape outward, factory building raise dust such as belt vestibule is serious, and the granule is very easily raised dust, the polluted environment is solved.
Claims (3)
1. A dry quenching granule feeding device of a mill comprises a coke suction and discharge vehicle and a coal mill; its characterized in that still includes nitrogen gas pressure device, feed bin, star type unloading valve, joins the device, inhale the row burnt car and pass through the pipe connection feed bin, nitrogen gas pressure device connects and inhales row burnt car outlet pipe way, the bottom at the feed bin is installed to star type unloading valve, and star type unloading valve connects simultaneously and joins the device, join the device and converge into the coal pulverizer jointly with feeder unloading pipe and throw the material entry.
2. The mill dry quenching aggregate feeding device as claimed in claim 1, wherein the converging device comprises a slant blanking pipe and a converging sleeve, the converging sleeve is connected with a feeding inlet of a coal mill, the feeding pipe of the coal mill is inserted into the converging sleeve, and the slant blanking pipe is communicated with the converging sleeve.
3. The mill dry quenching aggregate feeding device as claimed in claim 1, wherein the bin is 60m3~100m3A storage bin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122628298.9U CN216538893U (en) | 2021-10-29 | 2021-10-29 | Material device is thrown to mill dry coke quenching aggregate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122628298.9U CN216538893U (en) | 2021-10-29 | 2021-10-29 | Material device is thrown to mill dry coke quenching aggregate |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216538893U true CN216538893U (en) | 2022-05-17 |
Family
ID=81570597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122628298.9U Active CN216538893U (en) | 2021-10-29 | 2021-10-29 | Material device is thrown to mill dry coke quenching aggregate |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216538893U (en) |
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2021
- 2021-10-29 CN CN202122628298.9U patent/CN216538893U/en active Active
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