CN201214664Y - Environment-friendly blast furnace slag processing system - Google Patents
Environment-friendly blast furnace slag processing system Download PDFInfo
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- CN201214664Y CN201214664Y CNU2008200662863U CN200820066286U CN201214664Y CN 201214664 Y CN201214664 Y CN 201214664Y CN U2008200662863 U CNU2008200662863 U CN U2008200662863U CN 200820066286 U CN200820066286 U CN 200820066286U CN 201214664 Y CN201214664 Y CN 201214664Y
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- water pipe
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Abstract
The utility model relates to a blast furnace slag processing system. The blast furnace slag processing system which is friendly to the environment comprises a red slag runner (1), a granulating box (2), a granulating tank (4), a slag water pipe (17), a dewatering drum (5), a hot water tank (6), a first water pipe (7), a granulating back water pump (8), a cooling tower (9), a second water pipe (10), a condensing pump (11), a belt conveyer (12), a fourth water pipe (13), a granulating pump (14), a condensing tower (15) and a third water pipe (16). The blast furnace slag processing system is characterized in that one end of the third water pipe (16) communicates with the condensed water collector of the condensing tower (15); the other end of the third water pipe (16) communicates with the hot water tank (6); one end of the first water pipe (7) communicates with the hot water tank (6); the other end of the first water pipe (7) communicates with the input end of the cooling tower (9). The blast furnace slag processing system has the advantages that the system is constituted simply, granulates slag effectively, is friendly to the environment, consumes little energy, significantly saves investment and the occupied land. In addition, the water quantity in the system can be balanced easily.
Description
Technical field
The utility model belongs to the metallurgical iron-making devices field, is specifically related to a kind of blast-furnace slag processing system.
Background technology
At present, domestic environment friendly blast furnace slag treatment system is mainly by red-slag channel, the granulation case, shot tank (pond), dewatering drum, vapor condensation recovery system (condensing tower), water pump, cooling tower, compositions such as granulation condensation cycle water pipe, contain slag in the red-slag channel, the output terminal of red-slag channel is positioned at the input terminus top of shot tank (pond), be provided with the granulation case between the output terminal of red-slag channel and the input terminus of shot tank, the granulation case is provided with spout hole, when the slag of red-slag channel falls into shot tank, high pressure water in the granulation case sprays through spout hole, slag is become grain slag with high pressure water towards broken shrend, slag-water slurry is further cooling in shot tank, in pipeline enters the divider of dewatering drum, and the water trap that sieve plate is housed rotates and upgrades filtration, when rotary drum forwards vertex to, grain slag falls on the interior rotary conveyor of rotary drum, is transported to the grain slag stockyard again; The filterable water in rotary drum bottom is collected in the hot water tank, makes it to cool off once more; The steam that produces in the slag granulation process enters in the condensing tower on shot tank top, is collected into surge tank after cooling water condensation; The water of condensation of surge tank and the water in the hot water tank cool off through the cooling tower that condensate return pump, granulation back water pump pump into separately respectively, more respectively by the granulation pump, cooled water is sent into the granulation case with condensation pump and condensing tower recycles.This blast-furnace slag processing system more complicated (as shown in Figure 1, existing first kind of blast-furnace slag processing system), this blast-furnace slag processing system is established granulation and 2 circulation loops of condensation; complex structure, the water balance effect is bad, and the granulation effect has much room for improvement; the energy consumption height takes up an area of greatly, and investment is high.
Existing second kind of blast-furnace slag processing system, as shown in Figure 2, mainly form by red-slag channel, granulation case, water slag groove, shot tank (pond), dewatering drum, vapor condensation recovery system (condensing tower), water pump, cooling tower, granulation condensation cycle water pipe etc., the granulation case shower cooling water that red slag is installed in below the red-slag channel end cools off shrend fast, enters in the conduit of shot tank bottom; Enter the divider of dewatering drum along the pulp water pipe, the water trap that sieve plate is housed rotates and upgrades filtration, and when dewatering drum forwarded high point to, grain slag fell on the rotary conveyor in the dewatering drum, is transported to the grain slag stockyard again; The filterable water of dewatering drum is collected in the hot water tank, pumps into cooling tower and cools off, and sends into the atomizing nozzle in the condensing tower, and atomizing nozzle carries out condensation to the steam that produces in the granulating; Water droplet after the vapor condensation is guided to surge tank by the water of condensation collection bucket through water pipe, and the water of surge tank recycles through water pipe to granulation case.Weak point is: this blast-furnace slag processing system water balance effect is bad, and the granulation effect has much room for improvement.
Summary of the invention
The purpose of this utility model is to provide a kind of weighing apparatus that is up to the standard easily, the effective environment friendly blast furnace slag treatment system of granulation.
To achieve these goals, the technical solution of the utility model is: the environment friendly blast furnace slag treatment system, it comprises red-slag channel, granulation case, shot tank, pulp water pipe, dewatering drum, hot water tank, first water pipe, granulation back water pump, cooling tower, second water pipe, condensation pump, rotary conveyor, the 4th water pipe, granulation pump, condensing tower, the 3rd water pipe, the below of the output end of red-slag channel is provided with the granulation case, the granulation case is provided with spout hole, and the top of shot tank is provided with condensing tower; One end of pulp water pipe is connected with the conduit of shot tank bottom, and the other end of pulp water pipe is connected with the divider of dewatering drum; Be provided with rotary conveyor in the dewatering drum, hot water tank is positioned at the dewatering drum below; Be provided with atomizing nozzle, water of condensation collection bucket in the condensing tower, the water of condensation collection bucket is positioned at the below of atomizing nozzle; It is characterized in that: an end of the 3rd water pipe is connected with the water of condensation collection bucket of condensing tower, and the other end of the 3rd water pipe is connected with hot water tank; One end of first water pipe is connected with hot water tank, and the other end of first water pipe is connected with the input terminus of cooling tower, and first water pipe is provided with the granulation back water pump; Cooling tower is provided with two output interfaces, and an end of second water pipe is connected with first output interface of cooling tower, and the other end of second water pipe communicates with the water jet standpipe of condensing tower, and water jet standpipe is provided with atomizing nozzle, and second water pipe is provided with condensation pump; One end of the 4th water pipe is connected with second output interface of cooling tower, and the other end of the 4th water pipe is connected with the granulation case.
Compared with prior art, the major advantage of the utility model blast-furnace slag processing system:
1) the utility model water of adopting condensing tower to collect enters hot water tank and mixes (merging) with the filterable water of dewatering drum, and water balance is easier to be reached, and helps the trouble-free operation of total system.
2) the utility model carries out condensation and granulation with cold water respectively by two groups of pipelines, and the granulation water temperature is lower, and granulation is effective.
3) the few surge tank of the utility model, system is simpler, and energy consumption reduces.
The steam that the utility model adopts the condensing tower of sealing that granulation the is produced cooling of spraying water does not have steam substantially and enters in the atmosphere with other obnoxious flavoures; The flushing cinder water cycle is used, and production process does not have the sewage discharge, helps environment protection, and environmental protection effect is good.
The beneficial effects of the utility model are: system forms the weighing apparatus (the easy balance of the water yield of total system) that is up to the standard simply, easily, granulation is effective, environmental protection effect good, energy consumption is low, obviously reduce investment outlay and take up an area of.
Description of drawings
Fig. 1 is the block diagram of existing first kind of blast-furnace slag processing system;
Fig. 2 is the block diagram of existing second kind of blast-furnace slag processing system;
Fig. 3 is a block diagram of the present utility model;
Among the figure: 1-red-slag channel, 2-granulation case, 3-sluice; the 4-shot tank, 5-dewatering drum, 6-hot water tank; 7-first water pipe, 8-granulation back water pump, 9-cooling tower; 10-second water pipe, 11-condensation pump, 12-rotary conveyor; 13-the 4th water pipe, 14-granulation pump, 15-condensing tower; 16-the 3rd water pipe, 17-pulp water pipe.
Embodiment
As shown in Figure 3, the environment friendly blast furnace slag treatment system, it comprises red-slag channel 1, granulation case 2, sluice 3, shot tank 4, pulp water pipe 17, dewatering drum 5, hot water tank 6, first water pipe 7, granulation back water pump 8, cooling tower 9, second water pipe 10, condensation pump 11, rotary conveyor 12, the 4th water pipe 13, granulation pump 14, condensing tower 15, the 3rd water pipe 16, the below of the output end of red-slag channel 1 is provided with granulation case 2, and the granulation case is between the input terminus of the output terminal of red-slag channel and shot tank, the granulation case is provided with spout hole, and the top of shot tank 4 is provided with condensing tower 15; The output terminal of red-slag channel 1 is positioned at the top, input end of sluice 3, and the output terminal portion of sluice 3 is positioned at condensing tower 15 belows and is positioned at the top of shot tank 4; Be provided with a grade slag plate in the shot tank 4; One end of pulp water pipe 17 is connected with the conduit of shot tank bottom, and the other end of pulp water pipe 17 is connected with the divider of dewatering drum 5; Be provided with rotary conveyor 12 in the dewatering drum 5, hot water tank 6 is positioned at dewatering drum 5 belows; Be provided with atomizing nozzle, water of condensation collection bucket in the condensing tower, the water of condensation collection bucket is positioned at the below of atomizing nozzle; One end of the 3rd water pipe 16 is connected with the water of condensation collection bucket of condensing tower 15, and the other end of the 3rd water pipe 16 is connected with hot water tank 6; One end of first water pipe 7 is connected with hot water tank 6, and the other end of first water pipe 7 is connected with the input terminus of cooling tower 9, and first water pipe 7 is provided with granulation back water pump 8; Cooling tower 9 is provided with two output interfaces, one end of second water pipe 10 is connected with first output interface of cooling tower 9, the other end of second water pipe 10 communicates with the water jet standpipe of condensing tower 15, and water jet standpipe is provided with atomizing nozzle, and second water pipe 10 is provided with condensation pump 11; One end of the 4th water pipe 13 is connected with second output interface of cooling tower 9, and the other end of the 4th water pipe 13 is connected with granulation case 2.Shot tank of the present utility model, condensing tower, dewatering drum etc. all can adopt existing known technology, as Chinese patent 200520097644.3, as Chinese patent application numbers 200610166512.0.
2 water circulating pumps are equipped with in the bottom of hot water tank, and water circulating pump links to each other with recirculation pipe, and the output terminal of circulating pipe is positioned at shot tank.Granulated slag in the hot water tank is sent into shot tank by the recycle pump extraction and is refiltered through rotary drum, prevents that the grain slag powder from depositing in cooling tower.
Main technique equipment:
1) sluice:
Adopt steel construction groove and support.The groove top is provided with seal bootr, prevents that steam is excessive.Sluice is about 7m, in establish the carborundum liner plate of anti-erosive wear.
2) granulation case:
The granulation case is made up of the orifice plate that is covered with porous reducing shower nozzle, housing, conduit coupling.The scope of perforate on the orifice plate, the branch Bouyei slag trajectory mark in the size of eyelet, angle and hole presents non-homogeneous state with the different of slag flow section.
3) shot tank:
Be positioned at the condensing tower below, diameter is about the cylinder of 6m.In establish strike plate, grid and grain slag pipeline.Slag-water slurry is in this further fragmentation and in pipeline flows into the rotary drum divider.
4) condensing tower:
Be positioned at the shot tank top, diameter is about the cylinder of 6m, and total height is about 30m.Comprise that water of condensation collection bucket, 2 groups of water jet standpipes and top diffuse valve.
5) divider:
Divider is one section tapered rectangular pipe.The below of pipe has the hole that section does not wait.In order to keep the shape of perforate section, be embedded with the ceramic wear-resisting liner plate.Pulp water stream is evenly distributed in slag-water slurry in the whole dewatering drum, thereby reaches dehydrating effect preferably by these bottom perforate, also can make the screen cloth wearing and tearing simultaneously evenly, the activity ratio height.
6) dewatering drum:
Dewatering drum is made up of the blade bucket of the band filter screen of metal frame, double-layer filtering net cylindrical shell and drum internal perisporium.
7) rotary conveyor:
Conveyor passes rotary drum.Slag sand after the rotary drum dehydration falls into conveyor, and then is transported to cinder yard through many conveyors, is transported to the user by train or automobile.
8) hot water tank:
Hot water tank is located at the below of dewatering drum, collects the hot water that leaches from dewatering drum.Hot water tank is made by concrete, is divided into 3 lattice, and preceding 2 lattice separate with steel plate, and volume is about 100m
3, 2 water circulating pumps are equipped with in the bottom, and water circulating pump pumps into shot tank once more with the water of hot water tank and filters once more through rotary drum, with the quality of the water that guarantees to flow back to cooling tower.Last 1 lattice volume is about 100m
3, the granulation back water pump is established in the bottom.
As shown in Figure 3, slag treatment technology: the granulation case shower cooling water that the red slag that blast furnace produces is installed in below the red-slag channel end cools off shrend fast, red slag is by granulation, cooled off slag after the shrend and water fast earlier through sluice by granulation case shower cooling water, thereafter after pouring on the shelves slag plate in the shot tank further fragmentation, enter again in the conduit of shot tank bottom; Slag-water slurry in the conduit enters the pulp water pipe and enters the divider of dewatering drum along the pulp water pipe then, the water of dewatering drum bottom makes slag-water slurry continue cooling, and the water trap that sieve plate is housed rotates and upgrades filtration, when dewatering drum forwards high point to, grain slag falls on the interior rotary conveyor of dewatering drum and is transported to grain slag stockyard (being cinder yard), is transported by automobile or train then; The filterable water of dewatering drum is collected in the hot water tank; The steam that produces in the granulating enters in the condensing tower of shot tank top (being provided with atomizing nozzle, water of condensation collection bucket in the condensing tower), the water outlet of the atomizing nozzle of condensing tower is carried out condensation to the steam that produces in the granulating, and the water droplet after the vapor condensation falls into water of condensation collection bucket (or claiming drip tray); Water in the water of condensation collection bucket is collected in the hot water tank by the 3rd water pipe and mixes (merging) with the filterable water of dewatering drum; water in the hot water tank pumps into cooling tower by first water pipe, granulation back water pump and cools off; be divided into two the tunnel through the cooled cold water of cooling tower; the first via is sent cooled cold water into atomizing nozzle in the condensing tower by second water pipe, condensation pump, and secondary route the 4th water pipe, granulation are pumped into the granulation case and recycle.
Claims (1)
1. environment friendly blast furnace slag treatment system, it comprises red-slag channel (1), granulation case (2), shot tank (4), pulp water pipe (17), dewatering drum (5), hot water tank (6), first water pipe (7), granulation back water pump (8), cooling tower (9), second water pipe (10), condensation pump (11), rotary conveyor (12), the 4th water pipe (13), granulation pump (14), condensing tower (15), the 3rd water pipe (16), the below of the output end of red-slag channel (1) is provided with granulation case (2), the granulation case is provided with spout hole, and the top of shot tank (4) is provided with condensing tower (15); One end of pulp water pipe (17) is connected with the conduit of shot tank bottom, and the other end of pulp water pipe (17) is connected with the divider of dewatering drum (5); Be provided with rotary conveyor (12) in the dewatering drum (5), hot water tank (6) is positioned at dewatering drum (5) below; Be provided with atomizing nozzle, water of condensation collection bucket in the condensing tower, the water of condensation collection bucket is positioned at the below of atomizing nozzle; It is characterized in that: an end of the 3rd water pipe (16) is connected with the water of condensation collection bucket of condensing tower (15), and the other end of the 3rd water pipe (16) is connected with hot water tank (6); One end of first water pipe (7) is connected with hot water tank (6), and the other end of first water pipe (7) is connected with the input terminus of cooling tower (9), and first water pipe (7) is provided with granulation back water pump (8); Cooling tower (9) is provided with two output interfaces, one end of second water pipe (10) is connected with first output interface of cooling tower (9), the other end of second water pipe (10) communicates with the water jet standpipe of condensing tower (15), water jet standpipe is provided with atomizing nozzle, and second water pipe (10) is provided with condensation pump (11); One end of the 4th water pipe (13) is connected with second output interface of cooling tower (9), and the other end of the 4th water pipe (13) is connected with granulation case (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200662863U CN201214664Y (en) | 2008-03-31 | 2008-03-31 | Environment-friendly blast furnace slag processing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008200662863U CN201214664Y (en) | 2008-03-31 | 2008-03-31 | Environment-friendly blast furnace slag processing system |
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| CN201214664Y true CN201214664Y (en) | 2009-04-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876821A (en) * | 2012-09-03 | 2013-01-16 | 中冶南方工程技术有限公司 | Water supply method for blast-furnace slag water treatment and water supply systems |
| CN103555870A (en) * | 2013-10-30 | 2014-02-05 | 江苏沙钢集团有限公司 | High-temperature slag water-quenching condensation technology and high-temperature slag water-quenching condensation system free of cooling tower |
| CN104109724A (en) * | 2014-07-18 | 2014-10-22 | 永兴县强胜银业有限责任公司 | Smelting hot slag receiving device |
-
2008
- 2008-03-31 CN CNU2008200662863U patent/CN201214664Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876821A (en) * | 2012-09-03 | 2013-01-16 | 中冶南方工程技术有限公司 | Water supply method for blast-furnace slag water treatment and water supply systems |
| CN102876821B (en) * | 2012-09-03 | 2014-03-12 | 中冶南方工程技术有限公司 | Water supply method for blast-furnace slag water treatment and water supply systems |
| CN103555870A (en) * | 2013-10-30 | 2014-02-05 | 江苏沙钢集团有限公司 | High-temperature slag water-quenching condensation technology and high-temperature slag water-quenching condensation system free of cooling tower |
| CN103555870B (en) * | 2013-10-30 | 2015-07-01 | 江苏沙钢集团有限公司 | High-temperature slag water-quenching condensation technology and high-temperature slag water-quenching condensation system free of cooling tower |
| CN104109724A (en) * | 2014-07-18 | 2014-10-22 | 永兴县强胜银业有限责任公司 | Smelting hot slag receiving device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090401 Termination date: 20140331 |