CN204474699U - Liquid steel slag gas quenching residual neat recovering system - Google Patents
Liquid steel slag gas quenching residual neat recovering system Download PDFInfo
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- CN204474699U CN204474699U CN201520155741.7U CN201520155741U CN204474699U CN 204474699 U CN204474699 U CN 204474699U CN 201520155741 U CN201520155741 U CN 201520155741U CN 204474699 U CN204474699 U CN 204474699U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model discloses a kind of liquid steel slag gas quenching residual neat recovering system, described system comprises granulating heat-transfer tank, liquid slag ladle, granulating device, automatic makeup nitrogen device, fly ash separator and gas waste heat boiler; Granulating heat-transfer tank is granulation room and pellet bulk room; Hot-blast outlet is positioned at top or the side of granulation room; Liquid slag import is positioned at the side of granulation room; The base plate of pellet bulk room is the air compartment of sandwich structure, and mucking machine is installed in below; The gray back pipe of fly ash separator stretches into pellet bulk room; Level-sensing device is established between granulation room and pellet bulk room; Granulating heat-transfer tank, fly ash separator, gas waste-heat boiler, nitrogen blower fan and air compartment form nitrogen circulation loop; When level-sensing device detects that the piling height of solid-state high-temperature steel slag particle reaches setting height, start mucking machine by input speed discharging, automatically maintain the piling height of solid-state high-temperature steel slag particle at desired location.Have and save high temperature transportation equipment, reduce investment outlay and running cost, waste heat recovery efficiency advantages of higher.
Description
Technical field
The utility model relates to a kind of liquid steel slag gas quenching residual neat recovering system.
Background technology
The e Foerderanlage of the solid-state high-temperature steel slag particle formed after the gas of liquid steel slag known is at present quenched and residual neat recovering system is quenched primarily of nitrogen granulating device, gas, the heat-exchanger rig of solid-state high-temperature steel slag particle, gas waste-heat boiler and nitrogen blower fan composition.Its weak point: the solid-state high-temperature steel slag particle that gas is formed after quenching is about 850 degree, conveyer is in high temperature transhipment state, cannot normally work for a long time; The solid-state high-temperature steel slag particle that gas is formed after quenching is in fluidized state or flies state in heat-exchanger rig, and dust is many, and nitrogen circulation air quantity is large, and the hot-gas temperature of supply gas waste heat boiler is on the low side; Total system technical process is long, and the numerous volume of equipment is large, and cost is high, and take up an area large, self energy consumption is large, and equipment attrition is large, and working cost is high, and waste heat recovery efficiency is not high; Nitrogen long flow path, loss is large.
Utility model Inner holds
The purpose of this utility model is to overcome the deficiencies in the prior art; a kind of gas completing liquid steel slag in same container is provided to quench cracked granulation; waste heat is reclaimed simultaneously; the few cost of a complete set of processing unit is low, can realize the liquid steel slag gas quenching residual neat recovering system of totally-enclosed operation.
The object of the utility model system is achieved by following technical proposals:
Liquid steel slag gas quenching residual neat recovering system one,
Be applicable to liquid steel slag to carry out gas granulated processed of quenching and form solid-state high-temperature steel slag particle and recovery waste heat cooling steel slag particle; Described system comprises granulating heat-transfer tank, liquid slag ladle, granulating device, automatic makeup nitrogen device, fly ash separator and gas waste heat boiler, the hot-blast outlet of granulating heat-transfer tank is connected by the blast inlet of fly ash separator with gas waste-heat boiler, the liquid slag import of granulating heat-transfer tank is connected with liquid slag ladle, granulating device is installed in the below of liquid slag import, granulating device is connected with the air outlet of gas waste-heat boiler by nitrogen blower fan, granulating device, and between the air outlet of gas waste-heat boiler, configure automatic makeup nitrogen device;
Described granulating heat-transfer tank is tank structure, is divided into granulation room and pellet bulk room from top to bottom, and granulation room and pellet bulk room are the conjoined structure of inner intercommunication, and the volume of pellet bulk room is large enough to hold the pellet output that more than 30 minutes gas are quenched;
Described hot-blast outlet is positioned at top or the side of granulation room;
Described liquid slag import is positioned at the side of granulation room;
The base plate of described pellet bulk room is the air compartment of sandwich structure, and air compartment evenly arranges several residue outlets, and the width between centers between adjacent two residue outlets is 20-80 centimetre, and mucking machine is installed in the below of residue outlet;
Described air compartment is made up of the air distribution plate with pore, air compartment blast inlet, air compartment base plate and side plate; Described air compartment blast inlet is connected with the air outlet of nitrogen blower fan;
The gray back pipe of described fly ash separator stretches into pellet bulk room;
Level-sensing device is provided with between described granulation room and pellet bulk room;
Described granulating heat-transfer tank, fly ash separator, gas waste-heat boiler, nitrogen blower fan and air compartment form nitrogen circulation loop;
When level-sensing device detects that the piling height of the indoor solid-state high-temperature steel slag particle of pellet bulk reaches setting height, start mucking machine by input speed discharging, automatically maintain the piling height of solid-state high-temperature steel slag particle at desired location.
The top that the sidewall of described granulation room is positioned at level-sensing device arranges cooling air import, and cooling air import is connected by the air outlet of pipeline with nitrogen blower fan.
Install granulation room air compartment below described level-sensing device, granulation room air compartment is formed primarily of being with the air distribution plate of pore, air compartment base plate and material blanking tube, and air distribution plate and air compartment base plate form sandwich structure, and cooling air import is positioned among sandwich structure; Described material blanking tube stretches into the indoor certain length of pellet bulk; The sidewall of described pellet bulk room arranges cooling air outlet higher than the position of material blanking tube outlet; Described cooling air import is connected by the air outlet of pipeline with nitrogen blower fan; Described granulation room, fly ash separator, gas waste-heat boiler, nitrogen blower fan and granulation room air compartment form the first nitrogen circulation loop;
Solid-state high-temperature steel slag particle in the outer wall of described air compartment base plate, material blanking tube, material blanking tube and the solid-state high-temperature steel slag particle upper surface of pellet bulk indoor form cavity, and cavity is connected with fly ash separator through cooling air outlet and pipeline; Described pellet bulk room, fly ash separator, gas waste-heat boiler, nitrogen blower fan and air compartment form the second nitrogen circulation loop.
Arrange secondary pellet bulk room between described air compartment and mucking machine, secondary pellet bulk room is formed primarily of base plate and sidewall, and base plate evenly arranges several slag notches, and the width between centers between adjacent two slag notches is 20-80 centimetre; Described secondary pellet bulk indoor location water at atmospheric pressure tube heat-exchanger; Described mucking machine configuration cooling duct; One end of cooling duct is linked in sequence water circulating pump, the water tank of band automatic water-replenishing device, heat abstractor, water at atmospheric pressure tube heat-exchanger composition compulsory circulative cooling device.
The indoor layered arrangement cooling duct of described pellet bulk, every root cooling duct crosses pellet bulk room, and the pipeline be exposed at outside the sidewall of pellet bulk room is responsible for gas and is connected, and part cooling duct being positioned at pellet bulk indoor arranges pore; Be greater than 2 centimetres with layer cooling duct outer wall spacing, adjacent layers is apart from being greater than 5 centimetres; The blast inlet of described gas supervisor is connected with the air outlet of nitrogen blower fan.
Liquid steel slag gas quenching residual neat recovering system two:
Be applicable to liquid steel slag to carry out gas granulated processed of quenching and form solid-state high-temperature steel slag particle and recovery waste heat cooling steel slag particle; Described system comprises granulating heat-transfer tank, liquid slag ladle, granulating device, automatic makeup nitrogen device, fly ash separator and gas waste heat boiler, the hot-blast outlet of granulating heat-transfer tank is connected by the blast inlet of fly ash separator with gas waste-heat boiler, the liquid slag import of granulating heat-transfer tank is connected with liquid slag ladle, granulating device is installed in the below of liquid slag import, granulating device is connected with the air outlet of gas waste-heat boiler by nitrogen blower fan, granulating device, and between the air outlet of gas waste-heat boiler, configure automatic makeup nitrogen device;
Described granulating heat-transfer tank is tank structure, is divided into granulation room and pellet bulk room from top to bottom, and granulation room and pellet bulk room are the conjoined structure of inner intercommunication, and the volume of pellet bulk room is large enough to hold the pellet output that more than 60 minutes gas are quenched;
Described hot-blast outlet is positioned at top or the side of granulation room;
Described liquid slag import is positioned at the side of granulation room;
The base plate of described pellet bulk room evenly arranges several slag notches, and the width between centers between adjacent two slag notches is 20-80 centimetre, and mucking machine is installed in the below of slag notch;
Level-sensing device is provided with between described granulation room and pellet bulk room;
The top of described level-sensing device arranges cooling air import, and cooling air import is connected with nitrogen fan outlet;
The gray back pipe of described fly ash separator stretches into pellet bulk room;
Described pellet bulk room Inner installs vaporizer and economizer from top to bottom, connects to form waste heat boiler with drum;
Or described pellet bulk room Inner installs superheater, vaporizer and economizer from top to bottom, connects to form afterheat boiler system with drum;
When level-sensing device detects that the piling height of the indoor solid-state high-temperature steel slag particle of pellet bulk reaches setting height, start mucking machine by input speed discharging, automatically maintain the piling height of solid-state high-temperature steel slag particle at desired location;
Described granulation room, fly ash separator, gas waste-heat boiler and nitrogen blower fan form nitrogen circulation loop.
Install granulation room air compartment above described level-sensing device, granulation room air compartment is formed primarily of being with the air distribution plate of pore, air compartment base plate and material blanking tube, and air distribution plate and air compartment base plate form sandwich structure, and cooling air import is positioned among sandwich structure; Described granulation room, fly ash separator, gas waste-heat boiler, nitrogen blower fan and granulation room air compartment form nitrogen circulation loop.
Water at atmospheric pressure tube heat-exchanger is installed in the top that described pellet bulk room Inner is positioned at base plate; Described mucking machine configuration cooling duct; One end of cooling duct is linked in sequence water circulating pump, the water tank of band automatic water-replenishing device, heat abstractor, water at atmospheric pressure tube heat-exchanger composition compulsory circulative cooling device.
Liquid steel slag gas quenching residual neat recovering system three:
Be applicable to liquid steel slag to carry out gas granulated processed of quenching and form solid-state high-temperature steel slag particle and recovery waste heat cooling steel slag particle; Described system comprises granulating heat-transfer tank, liquid slag ladle, granulating device, automatic makeup nitrogen device, fly ash separator and gas waste heat boiler, the hot-blast outlet of granulating heat-transfer tank is connected by the blast inlet of fly ash separator with gas waste-heat boiler, the liquid slag import of granulating heat-transfer tank is connected with liquid slag ladle, granulating device is installed in the below of liquid slag import, granulating device is connected with the air outlet of gas waste-heat boiler by nitrogen blower fan, granulating device, and between the air outlet of gas waste-heat boiler, configure automatic makeup nitrogen device;
Described granulating heat-transfer tank is tank structure, is divided into granulation room and pellet bulk room from top to bottom, and granulation room and pellet bulk room are the conjoined structure of inner intercommunication, and the volume of pellet bulk room is large enough to hold the pellet output that more than 60 minutes gas are quenched;
Described hot-blast outlet is positioned at top or the side of granulation room;
Described liquid slag import is positioned at the side of granulation room;
The base plate of described pellet bulk room evenly arranges several slag notches, and the width between centers between adjacent two slag notches is 20-80 centimetre, and mucking machine is installed in the below of slag notch;
Level-sensing device is provided with between described granulation room and pellet bulk room;
The top of described level-sensing device arranges cooling air import, and cooling air import is connected with nitrogen fan outlet;
The gray back pipe of described fly ash separator stretches into pellet bulk room;
When level-sensing device detects that the piling height of the indoor solid-state high-temperature steel slag particle of pellet bulk reaches setting height, start mucking machine by input speed discharging, automatically maintain the piling height of solid-state high-temperature steel slag particle at desired location;
Described granulation room, fly ash separator, gas waste-heat boiler and nitrogen blower fan form nitrogen circulation loop;
Described gas waste-heat boiler is primarily of composition vaporizer, economizer and outside drum composition, and vaporizer and economizer pipeline are arranged vertically;
Described pellet bulk room Inner installs superheater and economizer from top to bottom, and desuperheater installed by superheater;
The water-in of two economizers all connects the water outlet of high pressure water pump, and the water outlet of two economizers all connects outside drum, and the saturated vapo(u)r outlet of outside drum is connected with the steam inlet of superheater; The water-in of high pressure water pump connects water source;
High pressure water pump, economizer, outside drum, vaporizer, superheater form the Combined natural circulation Waste-heat Boiler can producing superheated vapo(u)r.
Install granulation room air compartment above described level-sensing device, granulation room air compartment is formed primarily of being with the air distribution plate of pore, air compartment base plate and material blanking tube, and air distribution plate and air compartment base plate form sandwich structure, and cooling air import is positioned among sandwich structure; Described granulation room, fly ash separator, gas waste-heat boiler, nitrogen blower fan become nitrogen circulation loop with granulation room air compartment.
Water at atmospheric pressure tube heat-exchanger is installed in the top that described pellet bulk room Inner is positioned at base plate; Described mucking machine configuration cooling duct; One end of cooling duct is linked in sequence water circulating pump, the water tank of band automatic water-replenishing device, heat abstractor, water at atmospheric pressure tube heat-exchanger composition compulsory circulative cooling device.
Compared with prior art, system of the present utility model has the following advantages:
(1) while that the sensible heat that can realize completing in same granulating heat-transfer tank cracked, the granulation of liquid steel slag and the high-temperature steel slag particle of about 850 degree being replaced, cooling steel slag particle is to the whole process of about 100 degree.
(2) this system is without the high-temperature steel slag particle transporter of about 850 degree, and slag runs by deadweight entirely, and energy-saving working cost joint cost joint takes up an area.
(3) high, the super thick bed of material of native system device filling ratio, thickness is more than 1.5 meters, and the air blast of non-fluidized state cools, and cooling air quantity is little, and cooling air outlet temperature is high, and production high-quality superheated vapo(u)r directly supplies steam turbine power generation, and equipment volume is little simultaneously, and power of fan is little.
(4) native system device technique flow process is short, the few volume of equipment is little, cost is low, it is little to take up an area, self energy consumption is little, equipment attrition is little, working cost is few, waste heat recovery efficiency is high, nitrogen flow process is short, and loss is little; Really accomplish totally-enclosed operation, free from dust.
(5) native system device nitrogen circulation flow process is short, and nitrogen loss is little, and self energy consumption is low.
(6) cooling duct crosses whole pellet bulk room layered arrangement, and air feed is even, slag is stirred when moving down, destroys the gas passage formed in the super thick slag bed of material, and cooling performance significantly improves.
Accompanying drawing explanation
Fig. 1 is the utility model one example structure schematic diagram, granulation room and pellet bulk room through;
Fig. 2 is the expansion structure schematic diagram of Fig. 1, arranges granulation room air compartment between granulation room and pellet bulk room;
Fig. 3 is the expansion structure schematic diagram of Fig. 2, arranges secondary pellet bulk room between air compartment and mucking machine, the indoor layout cooling duct of pellet bulk;
Fig. 4 is the deformation and propagation structural representation of Fig. 1, and pellet bulk room Inner installs superheater, vaporizer and economizer, and pellet bulk room Inner installs water at atmospheric pressure tube heat-exchanger;
Fig. 5 is the deformation and propagation structural representation of Fig. 2, and pellet bulk room Inner installs superheater, vaporizer and economizer, and pellet bulk room Inner installs water at atmospheric pressure tube heat-exchanger;
Fig. 6 is Combined natural circulation Waste-heat Boiler example structure schematic diagram.
In figure: 1-granulating heat-transfer tank, 2-is granulated room, the liquid slag ladle of 3-, the import of 4-liquid slag, 5-granulating device, 6-automatic makeup nitrogen device, 7-cools blast cap, 8 air distribution plates, 9-is granulated room air compartment, 10-air compartment base plate, 11-material blanking tube, 12-superheater, 13-drum, 14 safety valve, 15-low pressure tank, 16-high pressure water pump, 17-heat abstractor, 18-water tank, 19-water circulating pump, 20-mucking machine, 21-base plate, 22-slag notch, 23-water at atmospheric pressure tube heat-exchanger, 24-economizer, 25-vaporizer, 26-pellet bulk room, 27-desuperheater, 28-level-sensing device, the import of 29-cooling air, 30-nitrogen blower fan, 31-gray back pipe, 32-fly ash separator, 33-gas waste-heat boiler, 34-hot-blast outlet, 35-gas service pipe, 36-gas main, 37-is granulated room volume damper, 38-pellet bulk room volume damper, 39-cooling air outlet, 40-gas is responsible for, 41-air compartment blast inlet, 42-air compartment, 43-residue outlet, 44-pore, 45-cooling duct, the outside drum of 46-.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Liquid steel slag gas quenching residual neat recovering system one, with reference to accompanying drawing 1,2,3,
Be applicable to liquid steel slag to carry out gas granulated processed of quenching and form solid-state high-temperature steel slag particle and recovery waste heat cooling steel slag particle; Described system comprises granulating heat-transfer tank 1, liquid slag ladle 3, granulating device 5, automatic makeup nitrogen device 6, fly ash separator 32 and gas waste heat boiler 33, the hot-blast outlet 34 of granulating heat-transfer tank 1 is connected with the blast inlet of gas waste-heat boiler 33 by fly ash separator 32, the liquid slag import 4 of granulating heat-transfer tank 1 is connected with liquid slag ladle 3, granulating device 5 is installed in the below of liquid slag import 4, granulating device 5 is connected with the air outlet of gas waste-heat boiler 33 by nitrogen blower fan 30, granulating device 5, and between the air outlet of gas waste-heat boiler 33, configure automatic makeup nitrogen device 6;
Described granulating heat-transfer tank 1 is tank structure, is divided into granulation room 2 and pellet bulk room 26 from top to bottom, and granulation room 2 and pellet bulk room 26 are the conjoined structure of inner intercommunication, and the volume of pellet bulk room 26 is large enough to hold the pellet output that more than 30 minutes gas are quenched;
Described hot-blast outlet 34 is positioned at top or the side of granulation room 2;
Described liquid slag import 4 is positioned at the side of granulation room 2;
The base plate of described pellet bulk room 26 is the air compartment 42 of sandwich structure, and air compartment 42 evenly arranges several residue outlets 43, and the width between centers between adjacent two residue outlets 43 is 20-80 centimetre, and mucking machine 20 is installed in the below of residue outlet 43;
Described air compartment 42 forms by being with the air distribution plate 8 of pore, air compartment blast inlet 41, air compartment base plate 10 and side plate; Described air compartment blast inlet 41 is connected with the air outlet of nitrogen blower fan 30;
The gray back pipe 31 of described fly ash separator 32 stretches into pellet bulk room 26;
Level-sensing device 28 is provided with between described granulation room 2 and pellet bulk room 26;
Described granulating heat-transfer tank 1, fly ash separator 32, gas waste-heat boiler 33, nitrogen blower fan 30 and air compartment 42 form nitrogen circulation loop;
When level-sensing device 28 detects that the piling height of pellet bulk room 26 internal solid high-temperature steel slag particle reaches setting height, start mucking machine 20 by input speed discharging, automatically maintain the piling height of solid-state high-temperature steel slag particle at desired location.
The top that the sidewall of described granulation room 2 is positioned at level-sensing device 28 arranges cooling air import 29, and cooling air import 29 is connected by the air outlet of pipeline with nitrogen blower fan 30.
Install granulation room air compartment 9 below described level-sensing device 28, granulation room air compartment 9 is formed primarily of being with the air distribution plate 8 of pore, air compartment base plate 10 and material blanking tube 11, and air distribution plate 8 and air compartment base plate 10 form sandwich structure, and cooling air import 29 is positioned among sandwich structure; Described material blanking tube 11 stretches into certain length in pellet bulk room 26; The position that the sidewall of described pellet bulk room 26 exports higher than material blanking tube 11 arranges cooling air outlet 39; Described cooling air import 29 is connected by the air outlet of pipeline with nitrogen blower fan 30; Described granulation room 2, fly ash separator 32, gas waste-heat boiler 33, nitrogen blower fan 30 and granulation room air compartment 9 form the first nitrogen circulation loop;
Solid-state high-temperature steel slag particle in the outer wall of described air compartment base plate 10, material blanking tube 11, material blanking tube 11 and the solid-state high-temperature steel slag particle upper surface in pellet bulk room 26 form cavity, and cavity is connected with fly ash separator 32 through cooling air outlet 39 and pipeline; Described pellet bulk room 26, fly ash separator 32, gas waste-heat boiler 33, nitrogen blower fan 30 and air compartment 42 form the second nitrogen circulation loop.
Arrange secondary pellet bulk room between described air compartment 42 and mucking machine 20, secondary pellet bulk room is formed primarily of base plate 21 and sidewall, and base plate 21 is evenly arranged several slag notches 22, the width between centers between adjacent two slag notches 22 is 20-80 centimetre; Described secondary pellet bulk indoor location water at atmospheric pressure tube heat-exchanger 23; Described mucking machine 20 configures cooling duct; Be linked in sequence water circulating pump 19, the water tank 18 of band automatic water-replenishing device, heat abstractor 17, water at atmospheric pressure tube heat-exchanger 23 of one end of cooling duct forms compulsory circulative cooling device.
Layered arrangement cooling duct 45 in described pellet bulk room 26, every root cooling duct 45 crosses pellet bulk room 26, the pipeline be exposed at outside the sidewall of pellet bulk room 26 is responsible for 40 with gas and is connected, and part cooling duct 45 being positioned at pellet bulk room 26 arranges pore 44; Be greater than 2 centimetres with layer cooling duct 45 outer wall spacing, adjacent layers is apart from being greater than 5 centimetres; The blast inlet of described gas supervisor 40 is connected with the air outlet of nitrogen blower fan 30.
Liquid steel slag gas quenching residual neat recovering system two, with reference to accompanying drawing 4,5:
Be applicable to liquid steel slag to carry out gas granulated processed of quenching and form solid-state high-temperature steel slag particle and recovery waste heat cooling steel slag particle; Described system comprises granulating heat-transfer tank 1, liquid slag ladle 3, granulating device 5, automatic makeup nitrogen device 6, fly ash separator 32 and gas waste heat boiler 33, the hot-blast outlet 34 of granulating heat-transfer tank 1 is connected with the blast inlet of gas waste-heat boiler 33 by fly ash separator 32, the liquid slag import 4 of granulating heat-transfer tank 1 is connected with liquid slag ladle 3, granulating device 5 is installed in the below of liquid slag import 4, granulating device 5 is connected with the air outlet of gas waste-heat boiler 33 by nitrogen blower fan 30, granulating device 5, and between the air outlet of gas waste-heat boiler 33, configure automatic makeup nitrogen device 6;
Described granulating heat-transfer tank 1 is tank structure, is divided into granulation room 2 and pellet bulk room 26 from top to bottom, and granulation room 2 and pellet bulk room 26 are the conjoined structure of inner intercommunication, and the volume of pellet bulk room 26 is large enough to hold the pellet output that more than 60 minutes gas are quenched;
Described hot-blast outlet 34 is positioned at top or the side of granulation room 2;
Described liquid slag import 4 is positioned at the side of granulation room 2;
The base plate 21 of described pellet bulk room 26 is evenly arranged several slag notches 22, the width between centers between adjacent two slag notches 22 is 20-80 centimetre, and mucking machine 20 is installed in the below of slag notch 22;
Level-sensing device 28 is provided with between described granulation room 2 and pellet bulk room 26;
The top of described level-sensing device 28 arranges cooling air import 29, and cooling air import 29 is connected with nitrogen blower fan 30 air outlet;
The gray back pipe 31 of described fly ash separator 32 stretches into pellet bulk room 26;
Described pellet bulk room 26 Inner installs vaporizer 25 and economizer 24 from top to bottom, connects to form waste heat boiler with drum 13;
Or described pellet bulk room 26 Inner installs superheater 12, vaporizer 25 and economizer 24 from top to bottom, connects to form afterheat boiler system with drum 13;
When level-sensing device 28 detects that the piling height of pellet bulk room 26 internal solid high-temperature steel slag particle reaches setting height, start mucking machine 20 by input speed discharging, automatically maintain the piling height of solid-state high-temperature steel slag particle at desired location;
Described granulation room 2, fly ash separator 32, gas waste-heat boiler 33 and nitrogen blower fan 30 form nitrogen circulation loop.
Install granulation room air compartment 9 above described level-sensing device 28, granulation room air compartment 9 is formed primarily of being with the air distribution plate 8 of pore, air compartment base plate 10 and material blanking tube 11, and air distribution plate 8 and air compartment base plate 10 form sandwich structure, and cooling air import 29 is positioned among sandwich structure; Described granulation room 2, fly ash separator 32, gas waste-heat boiler 33, nitrogen blower fan 30 and granulation room air compartment 9 form nitrogen circulation loop.
Water at atmospheric pressure tube heat-exchanger 23 is installed in the top that described pellet bulk room 26 Inner is positioned at base plate 21; Described mucking machine 20 configures cooling duct; Be linked in sequence water circulating pump 19, the water tank 18 of band automatic water-replenishing device, heat abstractor 17, water at atmospheric pressure tube heat-exchanger 23 of one end of cooling duct forms compulsory circulative cooling device.
Liquid steel slag gas quenching residual neat recovering system three, with reference to accompanying drawing 6:
Be applicable to liquid steel slag to carry out gas granulated processed of quenching and form solid-state high-temperature steel slag particle and recovery waste heat cooling steel slag particle; Described system comprises granulating heat-transfer tank 1, liquid slag ladle 3, granulating device 5, automatic makeup nitrogen device 6, fly ash separator 32 and gas waste heat boiler 33, the hot-blast outlet 34 of granulating heat-transfer tank 1 is connected with the blast inlet of gas waste-heat boiler 33 by fly ash separator 32, the liquid slag import 4 of granulating heat-transfer tank 1 is connected with liquid slag ladle 3, granulating device 5 is installed in the below of liquid slag import 4, granulating device 5 is connected with the air outlet of gas waste-heat boiler 33 by nitrogen blower fan 30, granulating device 5, and between the air outlet of gas waste-heat boiler 33, configure automatic makeup nitrogen device 6;
Described granulating heat-transfer tank 1 is tank structure, is divided into granulation room 2 and pellet bulk room 26 from top to bottom, and granulation room 2 and pellet bulk room 26 are the conjoined structure of inner intercommunication, and the volume of pellet bulk room 26 is large enough to hold the pellet output that more than 60 minutes gas are quenched;
Described hot-blast outlet 34 is positioned at top or the side of granulation room 2;
Described liquid slag import 4 is positioned at the side of granulation room 2;
The base plate 21 of described pellet bulk room 26 is evenly arranged several slag notches 22, the width between centers between adjacent two slag notches 22 is 20-80 centimetre, and mucking machine 20 is installed in the below of slag notch 22;
Level-sensing device 28 is provided with between described granulation room 2 and pellet bulk room 26;
The top of described level-sensing device 28 arranges cooling air import 29, and cooling air import 29 is connected with nitrogen blower fan 30 air outlet;
The gray back pipe 31 of described fly ash separator 32 stretches into pellet bulk room 26;
When level-sensing device 28 detects that the piling height of pellet bulk room 26 internal solid high-temperature steel slag particle reaches setting height, start mucking machine 20 by input speed discharging, automatically maintain the piling height of solid-state high-temperature steel slag particle at desired location;
Described granulation room 2, fly ash separator 32, gas waste-heat boiler 33 and nitrogen blower fan 30 form nitrogen circulation loop;
Described gas waste-heat boiler 33 forms primarily of composition vaporizer 25, economizer 24 and outside drum 46, and vaporizer 25 and economizer 24 pipeline are arranged vertically;
Described pellet bulk room 26 Inner installs superheater 12 and economizer 24 from top to bottom, superheater 12 is installed desuperheater 27;
The water-in of two economizers 24 all connects the water outlet of high pressure water pump 16, and the water outlet of two economizers 24 all connects outside drum 46, and the saturated vapo(u)r outlet of outside drum 46 is connected with the steam inlet of superheater 12; The water-in of high pressure water pump 16 connects water source;
High pressure water pump 16, economizer 24, outside drum 46, vaporizer 25, superheater 12 form the Combined natural circulation Waste-heat Boiler can producing superheated vapo(u)r.
Install granulation room air compartment 9 above described level-sensing device 28, granulation room air compartment 9 is formed primarily of being with the air distribution plate 8 of pore, air compartment base plate 10 and material blanking tube 11, and air distribution plate 8 and air compartment base plate 10 form sandwich structure, and cooling air import 29 is positioned among sandwich structure; Described granulation room 2, fly ash separator 32, gas waste-heat boiler 33, nitrogen blower fan 30 and granulation room air compartment 9 form nitrogen circulation loop.
Water at atmospheric pressure tube heat-exchanger 23 is installed in the top that described pellet bulk room 26 Inner is positioned at base plate 21; Described mucking machine 20 configures cooling duct; Be linked in sequence water circulating pump 19, the water tank 18 of band automatic water-replenishing device, heat abstractor 17, water at atmospheric pressure tube heat-exchanger 23 of one end of cooling duct forms compulsory circulative cooling device.
In the examples below: liquid slag ladle 3, liquid slag import 4, granulating device 5; automatic makeup nitrogen device 6, air distribution plate 8, superheater 12; drum 13, safety valve 14, economizer 24; vaporizer 25, desuperheater 27, level-sensing device 28; nitrogen blower fan 30; fly ash separator 32, gas waste-heat boiler 33, air compartment 42 and outside drum 46 are prior art.
Embodiment 1:
With reference to accompanying drawing 1: primarily of granulating heat-transfer tank 1, liquid slag ladle 3, granulating device 5, automatic makeup nitrogen device 6, fly ash separator 32 and gas waste heat boiler 33 form, the hot-blast outlet 34 of granulating heat-transfer tank 1 is by gas service pipe 35, gas main 36, fly ash separator 32 is connected with the blast inlet of gas waste-heat boiler 33, the liquid slag import 4 of granulating heat-transfer tank 1 is connected with liquid slag ladle 3, granulating device 5 is installed in the below of liquid slag import 4, granulating device 5 is connected with the air outlet of gas waste-heat boiler 33 by nitrogen blower fan 30, granulating device 5, and configure automatic makeup nitrogen device 6 between the air outlet of gas waste-heat boiler 33,
Granulating heat-transfer tank 1 is tank structure, is divided into granulation room 2 and pellet bulk room 26 from top to bottom, and granulation room 2 and pellet bulk room 26 are the conjoined structure of inner intercommunication, and the volume of pellet bulk room 26 is large enough to hold the pellet output that more than 30 minutes gas are quenched; State top or side that hot-blast outlet 34 is positioned at granulation room 2; Liquid slag import 4 is positioned at the side of granulation room 2; The base plate of pellet bulk room 26 is the air compartment 42 of sandwich structure, and air compartment 42 evenly arranges several residue outlets 43, and the width between centers between adjacent two residue outlets 43 is 20-80 centimetre, and mucking machine 20 is installed in the below of residue outlet 43; Air compartment 42 forms by being with the air distribution plate 8 of pore, air compartment blast inlet 41, air compartment base plate 10 and side plate, air distribution plate 8 is installed cooling blast cap 7; Air compartment blast inlet 41 is connected with the air outlet of nitrogen blower fan 30; The gray back pipe 31 of fly ash separator 32 stretches into pellet bulk room 26; Level-sensing device 28 is provided with between granulation room 2 and pellet bulk room 26; Granulating heat-transfer tank 1, fly ash separator 32, gas waste-heat boiler 33, nitrogen blower fan 30 and air compartment 42 form nitrogen circulation loop; When level-sensing device 28 detects that the piling height of pellet bulk room 26 internal solid high-temperature steel slag particle reaches setting height, start mucking machine 20 by input speed discharging, automatically maintain the piling height of solid-state high-temperature steel slag particle at desired location.
Embodiment 2:
With reference to accompanying drawing 1: on the basis of embodiment 1, the top that the sidewall of granulation room 2 is positioned at level-sensing device 28 arranges cooling air import 29, and cooling air import 29 is connected by the air outlet of pipeline with nitrogen blower fan 30.
Embodiment 3:
With reference to accompanying drawing 1,2: on the basis of embodiment 1, granulation room air compartment 9 is installed below level-sensing device 28, granulation room air compartment 9 is formed primarily of being with the air distribution plate 8 of pore, air compartment base plate 10 and material blanking tube 11, air distribution plate 8 and air compartment base plate 10 form sandwich structure, cooling air import 29 is positioned among sandwich structure, air distribution plate 8 is installed cooling blast cap 7; Described material blanking tube 11 stretches into certain length in pellet bulk room 26; The position that the sidewall of described pellet bulk room 26 exports higher than material blanking tube 11 arranges cooling air outlet 39; Described cooling air import 29 is connected with the air outlet of nitrogen blower fan 30 by pipeline, granulation room volume damper 37; Described granulation room 2, fly ash separator 32, gas waste-heat boiler 33, nitrogen blower fan 30 and granulation room air compartment 9 form the first nitrogen circulation loop; Solid-state high-temperature steel slag particle in the outer wall of air compartment base plate 10, material blanking tube 11, material blanking tube 11 and the solid-state high-temperature steel slag particle upper surface in pellet bulk room 26 form cavity, and cavity is connected with fly ash separator 32 through cooling air outlet 39 and pipeline; Before air compartment blast inlet 41, pellet bulk room volume damper 38 is installed; Described pellet bulk room 26, fly ash separator 32, gas waste-heat boiler 33, nitrogen blower fan 30 and air compartment 42 form the second nitrogen circulation loop.During work, slag pile level-sensing device 28 height time restart mucking machine 20 by input speed discharging; at this moment slag has filled up pellet bulk room 26 and stifled full material blanking tube 11; greater depth is had because material blanking tube 11 stretches into pellet bulk room 26; self-assembling formation gas accumulation space in its outlet; the gas blasted from air compartment 42 can only flow out from pellet bulk room cooling air outlet 39 through this space, each formation one independently cooling gas circulation in granulation room 2 and pellet bulk room 26 like this.This design achieves in a granulating device two independently gas circulation, avoid because of in pellet bulk room 26 by warmed-up cooling gas enter granulation room 2 affect its cooling performance and cause steel slag particles secondary tie stone roller problem.
Embodiment 4,5,6:
With reference to accompanying drawing 1,2,3: respectively on the basis of embodiment 1,2,3, secondary pellet bulk room is set between air compartment 42 and mucking machine 20, secondary pellet bulk room is formed primarily of base plate 21 and sidewall, base plate 21 is evenly arranged several slag notches 22, the width between centers between adjacent two slag notches 22 is 20-80 centimetre; Described secondary pellet bulk indoor location water at atmospheric pressure tube heat-exchanger 23; Described mucking machine 20 configures cooling duct; Be linked in sequence water circulating pump 19, the water tank 18 of band automatic water-replenishing device, heat abstractor 17, water at atmospheric pressure tube heat-exchanger 23 of one end of cooling duct forms compulsory circulative cooling device.
Embodiment 7-12:
With reference to accompanying drawing 1,2,3: respectively on the basis of embodiment 1-6, layered arrangement cooling duct 45 in pellet bulk room 26, every root cooling duct 45 crosses pellet bulk room 26, the pipeline be exposed at outside the sidewall of pellet bulk room 26 is responsible for 40 with gas and is connected, and part cooling duct 45 being positioned at pellet bulk room 26 arranges pore 44; Be greater than 2 centimetres with layer cooling duct 45 outer wall spacing, adjacent layers is apart from being greater than 5 centimetres; The blast inlet of described gas supervisor 40 is connected with the air outlet of nitrogen blower fan 30.
Embodiment 13:
With reference to accompanying drawing 4: primarily of comprising granulating heat-transfer tank 1, liquid slag ladle 3, granulating device 5, automatic makeup nitrogen device 6, fly ash separator 32 and gas waste heat boiler 33 form, the hot-blast outlet 34 of granulating heat-transfer tank 1 is by gas service pipe 35, gas main 36, fly ash separator 32 is connected with the blast inlet of gas waste-heat boiler 33, the liquid slag import 4 of granulating heat-transfer tank 1 is connected with liquid slag ladle 3, granulating device 5 is installed in the below of liquid slag import 4, granulating device 5 is connected with the air outlet of gas waste-heat boiler 33 by nitrogen blower fan 30, granulating device 5, and configure automatic makeup nitrogen device 6 between the air outlet of gas waste-heat boiler 33, granulating heat-transfer tank 1 is tank structure, is divided into granulation room 2 and pellet bulk room 26 from top to bottom, and granulation room 2 and pellet bulk room 26 are the conjoined structure of inner intercommunication, and the volume of pellet bulk room 26 is large enough to hold the pellet output that more than 60 minutes gas are quenched, hot-blast outlet 34 is positioned at top or the side of granulation room 2, liquid slag import 4 is positioned at the side of granulation room 2, the base plate 21 of pellet bulk room 26 is evenly arranged several slag notches 22, the width between centers between adjacent two slag notches 22 is 20-80 centimetre, and mucking machine 20 is installed in the below of slag notch 22, level-sensing device 28 is provided with between granulation room 2 and pellet bulk room 26, the top of level-sensing device 28 arranges cooling air import 29, and cooling air import 29 is connected with nitrogen blower fan 30 air outlet, the gray back pipe 31 of fly ash separator 32 stretches into pellet bulk room 26, pellet bulk room 26 Inner installs vaporizer 25 and economizer 24 from top to bottom, connects to form waste heat boiler with drum 13,
Or described pellet bulk room 26 Inner installs superheater 12, vaporizer 25 and economizer 24 from top to bottom, connects to form afterheat boiler system with drum 13;
When level-sensing device 28 detects that the piling height of pellet bulk room 26 internal solid high-temperature steel slag particle reaches setting height, start mucking machine 20 by input speed discharging, automatically maintain the piling height of solid-state high-temperature steel slag particle at desired location; Granulation room 2, fly ash separator 32, gas waste-heat boiler 33 and nitrogen blower fan 30 form nitrogen circulation loop.
Embodiment 14:
With reference to accompanying drawing 4,5: on the basis of embodiment 13, granulation room air compartment 9 is installed above level-sensing device 28, granulation room air compartment 9 is formed primarily of being with the air distribution plate 8 of pore, air compartment base plate 10 and material blanking tube 11, air distribution plate 8 and air compartment base plate 10 form sandwich structure, and cooling air import 29 is positioned among sandwich structure; Granulation room 2, fly ash separator 32, gas waste-heat boiler 33, nitrogen blower fan 30 and granulation room air compartment 9 form nitrogen circulation loop.
Described embodiment 15,16:
With reference to accompanying drawing 4,5: respectively on the basis of embodiment 13,14, water at atmospheric pressure tube heat-exchanger 23 is installed in the top that pellet bulk room 26 Inner is positioned at base plate 21; Described mucking machine 20 configures cooling duct; Be linked in sequence water circulating pump 19, the water tank 18 of band automatic water-replenishing device, heat abstractor 17, low pressure tank 15, water water at atmospheric pressure tube heat-exchanger 23 of one end of cooling duct forms compulsory circulative cooling device; Mounting safety valve 14 on low pressure tank 15, another water outlet of low pressure tank 15 links high pressure water pump 16 and supplies water to economizer 24.
Embodiment 17:
With reference to accompanying drawing 6: primarily of granulating heat-transfer tank 1, liquid slag ladle 3, granulating device 5, automatic makeup nitrogen device 6, fly ash separator 32 and gas waste heat boiler 33 form, the hot-blast outlet 34 of granulating heat-transfer tank 1 is connected with the blast inlet of gas waste-heat boiler 33 by fly ash separator 32, the liquid slag import 4 of granulating heat-transfer tank 1 is connected with liquid slag ladle 3, granulating device 5 is installed in the below of liquid slag import 4, granulating device 5 is connected with the air outlet of gas waste-heat boiler 33 by nitrogen blower fan 30, granulating device 5, and configure automatic makeup nitrogen device 6 between the air outlet of gas waste-heat boiler 33, granulating heat-transfer tank 1 is tank structure, is divided into granulation room 2 and pellet bulk room 26 from top to bottom, and granulation room 2 and pellet bulk room 26 are the conjoined structure of inner intercommunication, and the volume of pellet bulk room 26 is large enough to hold the pellet output that more than 60 minutes gas are quenched, hot-blast outlet 34 is positioned at top or the side of granulation room 2, liquid slag import 4 is positioned at the side of granulation room 2, the base plate 21 of pellet bulk room 26 is evenly arranged several slag notches 22, the width between centers between adjacent two slag notches 22 is 20-80 centimetre, and mucking machine 20 is installed in the below of slag notch 22, level-sensing device 28 is provided with between granulation room 2 and pellet bulk room 26, the top of level-sensing device 28 arranges cooling air import 29, and cooling air import 29 is connected with nitrogen blower fan 30 air outlet, the gray back pipe 31 of fly ash separator 32 stretches into pellet bulk room 26,
When level-sensing device 28 detects that the piling height of pellet bulk room 26 internal solid high-temperature steel slag particle reaches setting height, start mucking machine 20 by input speed discharging, automatically maintain the piling height of solid-state high-temperature steel slag particle at desired location; Granulation room 2, fly ash separator 32, gas waste-heat boiler 33 and nitrogen blower fan 30 form nitrogen circulation loop; Gas waste-heat boiler 33 forms primarily of composition vaporizer 25, economizer 24 and outside drum 46, and vaporizer 25 and economizer 24 pipeline are arranged vertically; Pellet bulk room 26 Inner installs superheater 12 and economizer 24 from top to bottom, superheater 12 is installed desuperheater 27; The water-in of two economizers 24 all connects the water outlet of high pressure water pump 16, and the water outlet of two economizers 24 all connects outside drum 46, and the saturated vapo(u)r outlet of outside drum 46 is connected with the steam inlet of superheater 12; The water-in of high pressure water pump 16 connects water source; High pressure water pump 16, economizer 24, outside drum 46, vaporizer 25, superheater 12 form the Combined natural circulation Waste-heat Boiler can producing superheated vapo(u)r.
Install granulation room air compartment 9 above described level-sensing device 28, granulation room air compartment 9 is formed primarily of being with the air distribution plate 8 of pore, air compartment base plate 10 and material blanking tube 11, and air distribution plate 8 and air compartment base plate 10 form sandwich structure, and cooling air import 29 is positioned among sandwich structure; Described granulation room 2, fly ash separator 32, gas waste-heat boiler 33, nitrogen blower fan 30 and granulation room air compartment 9 form nitrogen circulation loop.
Embodiment 18:
With reference to accompanying drawing 6: on the basis of embodiment 17, water at atmospheric pressure tube heat-exchanger 23 is installed in the top that pellet bulk room 26 Inner is positioned at base plate 21; Mucking machine 20 configures cooling duct; Be linked in sequence water circulating pump 19, the water tank 18 of band automatic water-replenishing device, heat abstractor 17, low pressure tank 15, water water at atmospheric pressure tube heat-exchanger 23 of one end of cooling duct forms compulsory circulative cooling device; Mounting safety valve 14 on low pressure tank 15, another water outlet of low pressure tank 15 links high pressure water pump 16 and supplies water to economizer 24.
Embodiment 19-36
On the basis of embodiment 1-18, granulation each wallboard in room 2 and/or top board, each wallboard in pellet bulk room 26 alone or all combinations employing membrane wall; And/or granulation room air compartment 9 is water cooled wind chamber.
System of the present utility model can also be used for it and it create solid-state high-temperature particle, needs the field of solid-state high-temperature particle being carried out to heat exchange, cooling and UTILIZATION OF VESIDUAL HEAT IN.Red Jiao as produced circular fluid bed high temperature sludge, coking carries out heat exchange, cooling and UTILIZATION OF VESIDUAL HEAT IN.
Claims (12)
1. a liquid steel slag gas quenching residual neat recovering system, is applicable to liquid steel slag to carry out gas granulated processed of quenching and forms solid-state high-temperature steel slag particle and recovery waste heat cooling steel slag particle, described system comprises granulating heat-transfer tank (1), liquid slag ladle (3), granulating device (5), automatic makeup nitrogen device (6), fly ash separator (32) and gas waste heat boiler (33), the hot-blast outlet (34) of granulating heat-transfer tank (1) is connected by the blast inlet of fly ash separator (32) with gas waste-heat boiler (33), the liquid slag import (4) of granulating heat-transfer tank (1) is connected with liquid slag ladle (3), granulating device (5) is installed in the below of liquid slag import (4), granulating device (5) is connected by the air outlet of nitrogen blower fan (30) with gas waste-heat boiler (33), automatic makeup nitrogen device (6) is configured between the air outlet of granulating device (5) and gas waste-heat boiler (33), it is characterized in that:
Described granulating heat-transfer tank (1) is tank structure, be divided into granulation room (2) and pellet bulk room (26) from top to bottom, granulation room (2) and pellet bulk room (26) conjoined structure that is inner intercommunication, the volume of pellet bulk room (26) is large enough to hold the pellet output that more than 30 minutes gas are quenched;
Described hot-blast outlet (34) is positioned at top or the side of granulation room (2);
Described liquid slag import (4) is positioned at the side of granulation room (2);
The base plate of described pellet bulk room (26) is the air compartment (42) of sandwich structure, air compartment (42) is evenly arranged several residue outlets (43), width between centers between adjacent two residue outlets (43) is 20-80 centimetre, and mucking machine (20) is installed in the below of residue outlet (43);
Described air compartment (42) forms by being with the air distribution plate (8) of pore, air compartment blast inlet (41), air compartment base plate (10) and side plate; Described air compartment blast inlet (41) is connected with the air outlet of nitrogen blower fan (30);
The gray back pipe (31) of described fly ash separator (32) stretches into pellet bulk room (26);
Level-sensing device (28) is provided with between described granulation room (2) and pellet bulk room (26);
Described granulating heat-transfer tank (1), fly ash separator (32), gas waste-heat boiler (33), nitrogen blower fan (30) and air compartment (42) form nitrogen circulation loop;
When level-sensing device (28) detects that the piling height of pellet bulk room (26) internal solid high-temperature steel slag particle reaches setting height, start mucking machine (20) by input speed discharging, automatically maintain the piling height of solid-state high-temperature steel slag particle at desired location.
2. system according to claim 1, is characterized in that: the top that the sidewall of described granulation room (2) is positioned at level-sensing device (28) arranges cooling air import (29), and cooling air import (29) is connected by the air outlet of pipeline with nitrogen blower fan (30).
3. system according to claim 1, it is characterized in that: granulation room air compartment (9) is installed in described level-sensing device (28) below, granulation room air compartment (9) is formed primarily of being with the air distribution plate (8) of pore, air compartment base plate (10) and material blanking tube (11), air distribution plate (8) and air compartment base plate (10) form sandwich structure, and cooling air import (29) is positioned among sandwich structure; Described material blanking tube (11) stretches into pellet bulk room (26) interior certain length; The position that the sidewall of described pellet bulk room (26) exports higher than material blanking tube (11) arranges cooling air outlet (39); Described cooling air import (29) is connected by the air outlet of pipeline with nitrogen blower fan (30); Described granulation room (2), fly ash separator (32), gas waste-heat boiler (33), nitrogen blower fan (30) and granulation room air compartment (9) form the first nitrogen circulation loop;
Solid-state high-temperature steel slag particle in the outer wall of described air compartment base plate (10), material blanking tube (11), material blanking tube (11) and the solid-state high-temperature steel slag particle upper surface in pellet bulk room (26) form cavity, and cavity is connected with fly ash separator (32) through cooling air outlet (39) and pipeline; Described pellet bulk room (26), fly ash separator (32), gas waste-heat boiler (33), nitrogen blower fan (30) and air compartment (42) form the second nitrogen circulation loop.
4. the system according to claim 1 or 2 or 3, it is characterized in that: secondary pellet bulk room is set between described air compartment (42) and mucking machine (20), secondary pellet bulk room is formed primarily of base plate (21) and sidewall, base plate (21) is evenly arranged several slag notches (22), the width between centers between adjacent two slag notches (22) is 20-80 centimetre; Described secondary pellet bulk indoor location water at atmospheric pressure tube heat-exchanger (23); Described mucking machine (20) configuration cooling duct; One end of cooling duct is linked in sequence water circulating pump (19), the water tank (18) of band automatic water-replenishing device, heat abstractor (17), water at atmospheric pressure tube heat-exchanger (23) composition compulsory circulative cooling device.
5. the system according to claim 1 or 2 or 3, it is characterized in that: the interior layered arrangement cooling duct (45) of described pellet bulk room (26), every root cooling duct (45) crosses pellet bulk room (26), the pipeline be exposed at outside pellet bulk room (26) sidewall is responsible for (40) and is connected with gas, part cooling duct (45) being positioned at pellet bulk room (26) arranges pore (44); Be greater than 2 centimetres with layer cooling duct (45) outer wall spacing, adjacent layers is apart from being greater than 5 centimetres; The blast inlet of described gas supervisor (40) is connected with the air outlet of nitrogen blower fan (30).
6. system according to claim 4, it is characterized in that: the interior layered arrangement cooling duct (45) of described pellet bulk room (26), every root cooling duct (45) crosses pellet bulk room (26), the pipeline be exposed at outside pellet bulk room (26) sidewall is responsible for (40) and is connected with gas, part cooling duct (45) being positioned at pellet bulk room (26) arranges pore (44); Be greater than 2 centimetres with layer cooling duct (45) outer wall spacing, adjacent layers is apart from being greater than 5 centimetres; The blast inlet of described gas supervisor (40) is connected with the air outlet of nitrogen blower fan (30).
7. a liquid steel slag gas quenching residual neat recovering system, is applicable to liquid steel slag to carry out gas granulated processed of quenching and forms solid-state high-temperature steel slag particle and recovery waste heat cooling steel slag particle, described system comprises granulating heat-transfer tank (1), liquid slag ladle (3), granulating device (5), automatic makeup nitrogen device (6), fly ash separator (32) and gas waste heat boiler (33), the hot-blast outlet (34) of granulating heat-transfer tank (1) is connected by the blast inlet of fly ash separator (32) with gas waste-heat boiler (33), the liquid slag import (4) of granulating heat-transfer tank (1) is connected with liquid slag ladle (3), granulating device (5) is installed in the below of liquid slag import (4), granulating device (5) is connected by the air outlet of nitrogen blower fan (30) with gas waste-heat boiler (33), automatic makeup nitrogen device (6) is configured between the air outlet of granulating device (5) and gas waste-heat boiler (33), it is characterized in that:
Described granulating heat-transfer tank (1) is tank structure, be divided into granulation room (2) and pellet bulk room (26) from top to bottom, granulation room (2) and pellet bulk room (26) conjoined structure that is inner intercommunication, the volume of pellet bulk room (26) is large enough to hold the pellet output that more than 60 minutes gas are quenched;
Described hot-blast outlet (34) is positioned at top or the side of granulation room (2);
Described liquid slag import (4) is positioned at the side of granulation room (2);
The base plate (21) of described pellet bulk room (26) evenly arranges several slag notches (22), and the width between centers between adjacent two slag notches (22) is 20-80 centimetre, and mucking machine (20) is installed in the below of slag notch (22);
Level-sensing device (28) is provided with between described granulation room (2) and pellet bulk room (26);
The top of described level-sensing device (28) arranges cooling air import (29), and cooling air import (29) is connected with nitrogen blower fan (30) air outlet;
The gray back pipe (31) of described fly ash separator (32) stretches into pellet bulk room (26);
Described pellet bulk room (26) Inner installs vaporizer (25) and economizer (24) from top to bottom, connects to form waste heat boiler with drum (13);
Or described pellet bulk room (26) Inner installs superheater (12), vaporizer (25) and economizer (24) from top to bottom, connects to form afterheat boiler system with drum (13);
When level-sensing device (28) detects that the piling height of pellet bulk room (26) internal solid high-temperature steel slag particle reaches setting height, start mucking machine (20) by input speed discharging, automatically maintain the piling height of solid-state high-temperature steel slag particle at desired location;
Described granulation room (2), fly ash separator (32), gas waste-heat boiler (33) and nitrogen blower fan (30) form nitrogen circulation loop.
8. system according to claim 7, it is characterized in that: granulation room air compartment (9) is installed in described level-sensing device (28) top, granulation room air compartment (9) is formed primarily of being with the air distribution plate (8) of pore, air compartment base plate (10) and material blanking tube (11), air distribution plate (8) and air compartment base plate (10) form sandwich structure, and cooling air import (29) is positioned among sandwich structure; Described granulation room (2), fly ash separator (32), gas waste-heat boiler (33), nitrogen blower fan (30) and granulation room air compartment (9) form nitrogen circulation loop.
9. the system according to claim 7 or 8, is characterized in that: water at atmospheric pressure tube heat-exchanger (23) is installed in the top that described pellet bulk room (26) Inner is positioned at base plate (21); Described mucking machine (20) configuration cooling duct; One end of cooling duct is linked in sequence water circulating pump (19), the water tank (18) of band automatic water-replenishing device, heat abstractor (17), water at atmospheric pressure tube heat-exchanger (23) composition compulsory circulative cooling device.
10. a liquid steel slag gas quenching residual neat recovering system, is applicable to liquid steel slag to carry out gas granulated processed of quenching and forms solid-state high-temperature steel slag particle and recovery waste heat cooling steel slag particle, described system comprises granulating heat-transfer tank (1), liquid slag ladle (3), granulating device (5), automatic makeup nitrogen device (6), fly ash separator (32) and gas waste heat boiler (33), the hot-blast outlet (34) of granulating heat-transfer tank (1) is connected by the blast inlet of fly ash separator (32) with gas waste-heat boiler (33), the liquid slag import (4) of granulating heat-transfer tank (1) is connected with liquid slag ladle (3), granulating device (5) is installed in the below of liquid slag import (4), granulating device (5) is connected by the air outlet of nitrogen blower fan (30) with gas waste-heat boiler (33), automatic makeup nitrogen device (6) is configured between the air outlet of granulating device (5) and gas waste-heat boiler (33), it is characterized in that:
Described granulating heat-transfer tank (1) is tank structure, be divided into granulation room (2) and pellet bulk room (26) from top to bottom, granulation room (2) and pellet bulk room (26) conjoined structure that is inner intercommunication, the volume of pellet bulk room (26) is large enough to hold the pellet output that more than 60 minutes gas are quenched;
Described hot-blast outlet (34) is positioned at top or the side of granulation room (2);
Described liquid slag import (4) is positioned at the side of granulation room (2);
The base plate (21) of described pellet bulk room (26) evenly arranges several slag notches (22), and the width between centers between adjacent two slag notches (22) is 20-80 centimetre, and mucking machine (20) is installed in the below of slag notch (22);
Level-sensing device (28) is provided with between described granulation room (2) and pellet bulk room (26);
The top of described level-sensing device (28) arranges cooling air import (29), and cooling air import (29) is connected with nitrogen blower fan (30) air outlet;
The gray back pipe (31) of described fly ash separator (32) stretches into pellet bulk room (26);
When level-sensing device (28) detects that the piling height of pellet bulk room (26) internal solid high-temperature steel slag particle reaches setting height, start mucking machine (20) by input speed discharging, automatically maintain the piling height of solid-state high-temperature steel slag particle at desired location;
Described granulation room (2), fly ash separator (32), gas waste-heat boiler (33) and nitrogen blower fan (30) form nitrogen circulation loop;
Described gas waste-heat boiler (33) is primarily of composition vaporizer (25), economizer (24) and outside drum (46) composition, and vaporizer (25) and economizer (24) pipeline are arranged vertically;
Described pellet bulk room (26) Inner installs superheater (12) and economizer (24) from top to bottom, superheater (12) is installed desuperheater (27);
The water-in of two economizers (24) all connects the water outlet of high pressure water pump (16), and the water outlet of two economizers (24) all connects outside drum (46), and the saturated vapo(u)r outlet of outside drum (46) is connected with the steam inlet of superheater (12); The water-in of high pressure water pump (16) connects water source;
High pressure water pump (16), economizer (24), outside drum (46), vaporizer (25), superheater (12) form the Combined natural circulation Waste-heat Boiler can producing superheated vapo(u)r.
11. systems according to claim 10, it is characterized in that: granulation room air compartment (9) is installed in described level-sensing device (28) top, granulation room air compartment (9) is formed primarily of being with the air distribution plate (8) of pore, air compartment base plate (10) and material blanking tube (11), air distribution plate (8) and air compartment base plate (10) form sandwich structure, and cooling air import (29) is positioned among sandwich structure; Described granulation room (2), fly ash separator (32), gas waste-heat boiler (33), nitrogen blower fan (30) and granulation room air compartment (9) form nitrogen circulation loop.
12. systems according to claim 10 or 11, is characterized in that: water at atmospheric pressure tube heat-exchanger (23) is installed in the top that described pellet bulk room (26) Inner is positioned at base plate (21); Described mucking machine (20) configuration cooling duct; One end of cooling duct is linked in sequence water circulating pump (19), the water tank (18) of band automatic water-replenishing device, heat abstractor (17), water at atmospheric pressure tube heat-exchanger (23) composition compulsory circulative cooling device.
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| CN201520155741.7U CN204474699U (en) | 2015-03-19 | 2015-03-19 | Liquid steel slag gas quenching residual neat recovering system |
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| CN201520155741.7U CN204474699U (en) | 2015-03-19 | 2015-03-19 | Liquid steel slag gas quenching residual neat recovering system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104673947A (en) * | 2015-03-19 | 2015-06-03 | 彭武星 | Liquid state steel slag gas-quenching waste heat recovery system and method |
| CN106931422A (en) * | 2017-03-02 | 2017-07-07 | 彭武星 | A kind of method of heat exchange in high-temp solid waste heat boiler and stove |
| CN109099407A (en) * | 2018-07-20 | 2018-12-28 | 东北大学 | The recycling of high-temperature metallurgy slag particles waste heat and quality regulation integral system and method |
| CN109596774A (en) * | 2018-11-15 | 2019-04-09 | 华电电力科学研究院有限公司 | A kind of automatic liming apparatus |
-
2015
- 2015-03-19 CN CN201520155741.7U patent/CN204474699U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104673947A (en) * | 2015-03-19 | 2015-06-03 | 彭武星 | Liquid state steel slag gas-quenching waste heat recovery system and method |
| CN106931422A (en) * | 2017-03-02 | 2017-07-07 | 彭武星 | A kind of method of heat exchange in high-temp solid waste heat boiler and stove |
| CN109099407A (en) * | 2018-07-20 | 2018-12-28 | 东北大学 | The recycling of high-temperature metallurgy slag particles waste heat and quality regulation integral system and method |
| CN109099407B (en) * | 2018-07-20 | 2019-06-28 | 东北大学 | The recycling of high-temperature metallurgy slag particles waste heat and quality regulation integral system and method |
| CN109596774A (en) * | 2018-11-15 | 2019-04-09 | 华电电力科学研究院有限公司 | A kind of automatic liming apparatus |
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