CN203295518U - Blast-furnace gas centralized processing system and iron making blast furnace with same - Google Patents
Blast-furnace gas centralized processing system and iron making blast furnace with same Download PDFInfo
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- CN203295518U CN203295518U CN2013203314270U CN201320331427U CN203295518U CN 203295518 U CN203295518 U CN 203295518U CN 2013203314270 U CN2013203314270 U CN 2013203314270U CN 201320331427 U CN201320331427 U CN 201320331427U CN 203295518 U CN203295518 U CN 203295518U
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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
- Y02P10/20—Recycling
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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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- 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
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Abstract
The utility model relates to the technical field of blast-furnace iron making, and particularly relates to a blast-furnace gas centralized processing system and an iron making blast furnace with the same. The blast-furnace gas centralized processing system comprises a tower body, wherein a gas inlet is formed in the tower body; the tower body is also connected with a power generation system and a gas holder; and an alkali spraying device and a spray cooling device are arranged in the tower body. The system provided by the utility model realizes the dedusting, cooling and pH regulation of the centralized gas processing, so that the gas purification is more thorough, the gas quality is improved, and safe and reliable gas conveying is supplied to downstream users; and moreover, the system has the advantages of compact structure, low cost, small land occupation and convenience in centralized control, and can realize centralized recovery of wastewater and purification for recycling, thereby saving the production resources and being favourable for saving energy and protecting environment.
Description
Technical field
The utility model relates to technical field of blast furnace ironmaking, relates in particular to a kind of blast furnace gas centralized processing system and is provided with the iron-smelting blast furnace of this blast furnace gas centralized processing system.
Background technology
At present, in the iron-smelting blast furnace production process, can produce a large amount of coal gas, be that blast furnace gas is the byproduct that produces in iron manufacturing process, main component is: CO, CO2, N2, H2, CH4 etc., these blast furnace gases are very harmful, need to remove, the dedusting method of smelting iron now adopts " dry method dust " mostly, blast furnace gas after " dry method dust " installs dustiness at 10mg/m
3In, temperature is between 150 degree～180 degree, and the ph value of coal gas is between 2.5～5, and coal gas has following several purposes after " dry method dust " device: the one, enter power generation system, the 2nd, enter the gas chamber temporary storage standby.Usually the gas temperature that enters power generation system and gas chamber storage need be controlled in 55 degree, the ph value need be controlled between 6～7, otherwise can be because of the rotten product life that affects, and excess Temperature can not generate electricity and store, coal gas is more totally to generating and store more favourable.
in order to reach dedusting, cooling, adjust the purpose of pH value, industry generally adopts as lower device at present: as shown in Figure 1, existing blast furnace gas treatment system, the coal gas of temperature between 150 degree～180 degree need to enter tower body 2 after spray alkali device 1 is processed in, in tower body 2, through waterworks 4, spray water and give a dinner of welcome again, then through spray cooling device 5, entering power generation system 6 and gas chamber 7 respectively stores standby, whole system is very huge, cost of investment is large, and position disperses, take up an area large, be not easy to centralized Control, in addition, in tower body 2, 4 pairs of coal gas of waterworks spray water after giving a dinner of welcome waste water 3 and the spray alkali and the spraying after waste water by pipeline, directly discharge, polluted environment, be unfavorable for energy-conserving and environment-protective.
Therefore, for above deficiency, the utility model provides a kind of blast furnace gas centralized processing system and has been provided with the iron-smelting blast furnace of this blast furnace gas centralized processing system.
The utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to solve existing blast furnace gas treatment system huge structure, and cost of investment is large, and position disperses, take up an area greatly, be not easy to centralized Control, the waste water after water spray, spray alkali and spraying directly discharges by pipeline, contaminate environment, be unfavorable for the problem of energy-conserving and environment-protective.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of blast furnace gas centralized processing system, this blast furnace gas centralized processing system comprises tower body, on described tower body, be provided with gas inlet, tower body also connects power generation system and gas chamber, in described tower body, is provided with spray alkali device and spray cooling device.
Wherein, described tower body is connected with waste water purification device, and described water-purification plant connects described spray cooling device.
Wherein, in described tower body, the top of described spray alkali device and spray cooling device is provided with dewatering unit.
Wherein, in described tower body, between described spray alkali device and spray cooling device and gas inlet, also be provided with the distribution grid.
Wherein, described spray alkali device is positioned at the top of spray cooling device.
Wherein, the quantity of described spray alkali device is a cover, and the quantity of described spray cooling device is two covers.
The utility model also provides a kind of iron-smelting blast furnace, and this iron-smelting blast furnace comprises above-mentioned blast furnace gas centralized processing system.
(3) beneficial effect
Technique scheme of the present utility model has following advantage: the utility model blast furnace gas centralized processing system is by the spray alkali device and the spray cooling device that in tower body, are provided with, dedusting, cooling, the tune pH value problem of coal gas have been realized focusing on, make gas purification more thorough, improved the quality of coal gas, for providing safe and reliable coal gas, downstream user carries, and native system compact construction, cost is low, take up an area little, be convenient to centralized Control, can centralized recovery waste water and purify after recycle again, saved the resources of production, be conducive to energy-conserving and environment-protective.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of this existing blast furnace gas treatment system;
Fig. 2 is the schematic diagram of the utility model embodiment blast furnace gas centralized processing system.
In figure: 1: spray alkali device; 2: tower body; 3: waste water; 4: waterworks; 5: spray cooling device; 6: power generation system; 7: gas chamber; 8: dewatering unit; 9: the distribution grid; 10: waste water purification device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills obtain under the prerequisite of not making creative work every other embodiment, belong to the scope that the utility model is protected.
As shown in Figure 2, a kind of blast furnace gas centralized processing system that the utility model embodiment provides, this blast furnace gas centralized processing system comprises tower body 2, on described tower body 2, be provided with gas inlet, tower body 2 also connects power generation system 6 and gas chamber 7, in described tower body 2, is provided with spray alkali device 1 and spray cooling device 5, in the buck of spray alkali device 1 ejection and coal gas, make the pH value of coal gas remain in rational scope, and the Main Function of spray cooling device 5 is to purify coal gas and cooling.
By this blast furnace gas centralized processing system, realized focusing on dedusting, cooling, the tune pH value problem of coal gas, and compact construction, cost is low, takes up an area littlely, makes gas purification more thorough, has improved the quality of coal gas.
Described tower body 2 is connected with waste water purification device 10, water-purification plant 10 connects described spray cooling device 5, the waste water that produces after water spray, spray alkali and spraying becomes the water cycle that can reuse and enters spray cooling device 5 after waste water purification device 10 is processed, the supply that makes new water only is 10% left and right of total Water, save greatly water resources, also reduced production cost.
In order to reach more excellent neutralization and dust removing effects, preferably, described spray alkali device 1 is positioned at the top of spray cooling device 5, and the quantity of described spray alkali device 1 is a cover, and the quantity of described spray cooling device 5 is two covers.
In described tower body 2, the top of described spray alkali device 1 is provided with dewatering unit 8, the dust that dewatering unit 8 can carry coal gas intercepts and filters, and greatly reduce the water ratio of gas exit end coal gas, make gas purification more thorough, improved gas quality, for downstream user provides safe and reliable coal gas, carried.
In described tower body 2, between spray cooling device 5 and gas inlet, also be provided with distribution grid 9, it is more even that distribution grid 9 makes to enter the gas flow distribution of tower body, is conducive to follow-up neutralization, dedusting and cooling etc.
the specific works process of blast furnace gas centralized processing system of the present utility model is: coal gas enters the inside of tower body 2 from the gas inlet of tower body via the gas entry pipeline, the effect of advancing distribution grid 9 makes coal gas more even, coal gas evenly is through two groups of spray cooling devices 5 and one group of spray alkali device 1, spray alkali device 1 remains in rational scope the pH value of coal gas, spray cooling device 5 makes gas purification cooling, through neutralization, the coal gas that purifies and lower the temperature is through dehydration and the filtration of dewatering unit 8, the dust that further coal gas is carried intercepts and filters, and greatly reduce the water ratio of gas exit end coal gas, finally meet power generation system 6 and gas chamber 7 service requirementss.
The utility model also provides a kind of iron-smelting blast furnace, and this iron-smelting blast furnace comprises above-mentioned blast furnace gas centralized processing system.
In sum, the utility model blast furnace gas centralized processing system is by the spray alkali device and the spray cooling device that in tower body, are provided with, dedusting, cooling, the tune pH value problem of coal gas have been realized focusing on, make gas purification more thorough, improved the quality of coal gas, for providing safe and reliable coal gas, downstream user carries, and native system compact construction, cost is low, take up an area littlely, be convenient to centralized Control, can centralized recovery waste water and purify after recycle again, save the resources of production, be conducive to energy-conserving and environment-protective.
The above is only a kind of preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (7)
1. blast furnace gas centralized processing system, comprise tower body (2), on described tower body (2), be provided with gas inlet, tower body (2) also connects power generation system (6) and gas chamber (7), it is characterized in that: in described tower body (2), be provided with spray alkali device (1) and spray cooling device (5).
2. blast furnace gas centralized processing system according to claim 1, it is characterized in that: described tower body 2 is connected with waste water purification device (10), and described water-purification plant (10) connects described spray cooling device (5).
3. blast furnace gas centralized processing system according to claim 1, it is characterized in that: in described tower body (2), the top of described spray alkali device (1) and spray cooling device (5) is provided with dewatering unit (8).
4. blast furnace gas centralized processing system according to claim 1, is characterized in that: in described tower body (2), between described spray alkali device (1) and spray cooling device (5) and gas inlet, also be provided with distribution grid (9).
5. the described blast furnace gas centralized processing system of according to claim 1-4 any one, it is characterized in that: described spray alkali device (1) is positioned at the top of spray cooling device (5).
6. blast furnace gas centralized processing system according to claim 5, it is characterized in that: the quantity of described spray alkali device (1) is a cover, the quantity of described spray cooling device (5) is two covers.
7. an iron-smelting blast furnace, is characterized in that: comprise the described blast furnace gas centralized processing system of any one in claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203314270U CN203295518U (en) | 2013-06-08 | 2013-06-08 | Blast-furnace gas centralized processing system and iron making blast furnace with same |
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|---|---|---|---|
| CN2013203314270U CN203295518U (en) | 2013-06-08 | 2013-06-08 | Blast-furnace gas centralized processing system and iron making blast furnace with same |
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| CN203295518U true CN203295518U (en) | 2013-11-20 |
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| CN2013203314270U Expired - Lifetime CN203295518U (en) | 2013-06-08 | 2013-06-08 | Blast-furnace gas centralized processing system and iron making blast furnace with same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112831621A (en) * | 2021-01-06 | 2021-05-25 | 鞍钢股份有限公司 | Blast furnace gas cooling system and cooling control method |
| CN112831622A (en) * | 2021-01-06 | 2021-05-25 | 鞍钢股份有限公司 | Blast furnace gas cooling and dechlorinating system and method |
| CN112853015A (en) * | 2021-01-06 | 2021-05-28 | 鞍钢股份有限公司 | High-efficiency cooling system and method for blast furnace gas |
-
2013
- 2013-06-08 CN CN2013203314270U patent/CN203295518U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112831621A (en) * | 2021-01-06 | 2021-05-25 | 鞍钢股份有限公司 | Blast furnace gas cooling system and cooling control method |
| CN112831622A (en) * | 2021-01-06 | 2021-05-25 | 鞍钢股份有限公司 | Blast furnace gas cooling and dechlorinating system and method |
| CN112853015A (en) * | 2021-01-06 | 2021-05-28 | 鞍钢股份有限公司 | High-efficiency cooling system and method for blast furnace gas |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100101 Room 601, 6 / F, building 1, yard 8, Beichen East Road, Chaoyang District, Beijing Patentee after: Britian control equipment (Beijing) Co.,Ltd. Address before: 100101 building B, Huibin building, 8 Beichen East Road, Chaoyang District, Beijing 2011 Patentee before: LOFON CONTROL EQUIPMENT (BEIJING) Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |