CN206916174U - Utilize the system of converter gas heating steel scrap - Google Patents
Utilize the system of converter gas heating steel scrap Download PDFInfo
- Publication number
- CN206916174U CN206916174U CN201720876386.1U CN201720876386U CN206916174U CN 206916174 U CN206916174 U CN 206916174U CN 201720876386 U CN201720876386 U CN 201720876386U CN 206916174 U CN206916174 U CN 206916174U
- Authority
- CN
- China
- Prior art keywords
- converter gas
- steel scrap
- rotative heater
- feed hopper
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model discloses a kind of system that steel scrap is heated using converter gas, including converter gas pipe-line system, material-transporting system and rotative heater；The converter gas pipe-line system includes flue duct bypass, high-temperature heat-exchanging and the non-metal compensator being sequentially communicated, and the flue duct bypass and converter gas outlet, the non-metal compensator connect with the air inlet of the rotative heater.
Description
Technical field
Steel mill makes steel field of waste heat utilization in terms of the utility model is related to energy-conserving and environment-protective, and in particular to one kind utilizes converter cigarette
The system that gas heats steel scrap.
Background technology
Steel scrap is heated using natural gas in original kiln heating bundled scrap technology, not only the addition of steel scrap
It is few, and a large amount of natural gases are needed to use, smelting iron and steel cost is higher.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of reduction smelting iron and steel cost, the utilization converter cigarette of energy-conserving and environment-protective
Gas heats the technique and system of steel scrap.
To reach above-mentioned purpose, a kind of technique that steel scrap is heated using converter gas of the utility model, described technique bag
Include following steps：
1）Converter gas is passed through high-temperature heat-exchanging flue-gas temperature is cooled to 1000 DEG C by 1600 DEG C；
2）By step 1）The flue gas of middle cooling enters rotative heater by non-metal compensator；
3）By feed hopper by steel scrap even into rotative heater and step 2）In flue gas exchanged heat；
4）By step 3）Middle scrap heating is stored to entering incubator after 700 DEG C, and material is turned by being incubated Tibetan and being directly entered
Stove is smelted.
Preferably, the step 1）In cooling residual heat by heat exchange enter drum after generate electricity by way of merging two or more grid systems；
Described step 3）Also include step afterwards：
By step 3）Flue gas is cooled to after 100 DEG C after middle heat exchange diffuses by sack cleaner and gas-blowing engine successively.
Preferably, the step 3）Also include step before：Unloaded after being weighed to steel scrap to feed bin.
To reach above-mentioned purpose, a kind of system that steel scrap is heated using converter gas of the utility model, including converter gas
Pipe-line system, material-transporting system and rotative heater；
The converter gas pipe-line system includes flue duct bypass, high-temperature heat-exchanging and the nonmetallic compensation being sequentially communicated
Device, the flue duct bypass and converter gas outlet, the air inlet of the non-metal compensator and the rotative heater connect
It is logical；
The material-transporting system includes storage bin, haul belt feeder, feed hopper and bucket lifting device, the storing
Storehouse outlet is connected with the haul belt feeder feeding end, and the haul belt feeder discharge end is connected with the feed hopper entrance, institute
State feed hopper outlet to be connected with the charging aperture of the rotative heater, the bucket elevator discharge end is provided with for heating
The incubator that steel scrap afterwards is incubated, incubator bottom bottom set efficient discharge valve；Set below efficient discharge valve
There is the cast hopper for being fed intake to converter；
The charging aperture of the rotative heater is set with rotative heater air inlet heteropleural.
Preferably, the converter gas pipe-line system also include be used for exchange heat generate electricity by way of merging two or more grid systems drum, sack cleaner and
Gas-blowing engine；The drum connects with the high-temperature heat-exchanging, the sack cleaner entrance and the rotative heater
Gas outlet, the outlet of the sack cleaner connect with the gas-blowing engine entrance.
Preferably, the material-transporting system also includes meausring apparatus, the meausring apparatus be arranged on the feed hopper and
Between haul belt feeder, the feed hopper two-port is provided with the first vibra feeder and the second vibra feeder, and described first
Vibra feeder is arranged between feed hopper feeding mouth and meausring apparatus outlet, second vibra feeder be arranged on it is described to
Between feed bin discharge hole and rotative heater charging aperture.
The beneficial effects of the utility model：
（1）The raising of steel scrap temperature is advantageous to the raising of adding amount of scrap steel, can account for 40% or so of total charge weight；
（2）After hot metal ratio reduces, exhaust gas volumn decreases, the granular material discharged reduction in flue dust；
（3）Steel-making rhythm is improved, reduces oxygen consumption；
（4）Reduce smelting iron and steel cost.
Brief description of the drawings
Fig. 1 is that the utility model utilizes converter gas heating steel scrap system flow chart.
Embodiment
The utility model is further described with reference to Figure of description.
Embodiment 1
A kind of technique that steel scrap is heated using converter gas of the present embodiment, described technique are comprised the following steps：
1）Converter gas is passed through high-temperature heat-exchanging 8 flue-gas temperature is cooled to 1000 DEG C by 1600 DEG C；
2）By step 1）The flue gas of middle cooling enters rotative heater 1 by non-metal compensator；
3）By feed hopper 3 by steel scrap even into rotative heater 1 and step 2）In flue gas exchanged heat；
4）By step 3）Middle scrap heating is stored to entering incubator after 700 DEG C, and material is turned by being incubated Tibetan and being directly entered
Stove is smelted.
The step 1）In cooling residual heat by heat exchange enter drum after generate electricity by way of merging two or more grid systems；
Described step 3）Also include step afterwards：
By step 3）Flue gas is cooled to after 100 DEG C after middle heat exchange puts by sack cleaner 6 and gas-blowing engine 7 successively
Dissipate.
The step 3）Also include step before：Unloaded after being weighed to steel scrap in feed bin 3.
The present embodiment improves the raising that steel scrap temperature is advantageous to adding amount of scrap steel, and after hot metal ratio reduces, exhaust gas volumn drops therewith
It is low, the granular material discharged reduction in flue dust, steel-making rhythm is improved, reduce oxygen consumption, reduce smelting iron and steel cost.
Embodiment 2
A kind of system that steel scrap is heated using converter gas of the present embodiment, including the conveying of converter gas pipe-line system, material
System and rotative heater 1；
The converter gas pipe-line system includes flue duct bypass 9, high-temperature heat-exchanging 8 and the nonmetallic compensation being sequentially communicated
Device, the flue duct bypass 9 and converter gas outlet, the air inlet of the non-metal compensator and the rotative heater 1
Connection；
The material-transporting system includes storage bin, haul belt feeder, feed hopper 3 and bucket lifting device 2, the storage
Bin outlet is connected with the haul belt feeder feeding end, and the haul belt feeder discharge end is connected with the entrance of feed hopper 3,
The outlet of feed hopper 3 is connected with the charging aperture of the rotative heater 1, and the discharge end of bucket elevator 2, which is provided with, to be used for
The incubator 4 being incubated to the steel scrap after heating, the bottom of incubator 4 set efficient discharge valve；Below efficient discharge valve
It is provided with the cast hopper for being fed intake to converter；
The charging aperture of the rotative heater 1 is set with the air inlet heteropleural of rotative heater 1.
After converter gas is cooled down by flue duct bypass 9 into high-temperature heat-exchanging 8, flue-gas temperature drops to 1000 by 1600 DEG C
Rotative heater 1 is entered by non-metal compensator after DEG C, while steel scrap is added in storage bin by feed hopper 3 even into rotation
Hot device 1, flue gas are exchanged heat with material in rotative heater 1, and steel scrap temperature enters bucket lifting device after being increased to 700 DEG C
2 and put into converter and smelted.
The present embodiment improves the raising that steel scrap temperature is advantageous to adding amount of scrap steel, and after hot metal ratio reduces, exhaust gas volumn drops therewith
It is low, the granular material discharged reduction in flue dust, steel-making rhythm is improved, reduce oxygen consumption, reduce smelting iron and steel cost.
Embodiment 3
Based on above-described embodiment 2, converter gas pipe-line system described in the present embodiment also includes being used to exchange heat what is generated electricity by way of merging two or more grid systems
Drum, sack cleaner 6 and gas-blowing engine 7；The drum connects with the high-temperature heat-exchanging 8, and the sack cleaner 6 enters
Mouth connects with the gas outlet of the rotative heater 1, and the outlet of the sack cleaner 6 connects with the entrance of gas-blowing engine 7
It is logical.
The material-transporting system also includes meausring apparatus, and the meausring apparatus is arranged on the feed hopper 3 and haul skin
Between band machine, the two-port of feed hopper 3 is provided with the first vibra feeder and the second vibra feeder 5, first vibration
Dispenser is arranged between the feeding mouth of feed hopper 3 and meausring apparatus outlet, and second vibra feeder 5 is arranged on the feed
Between the discharging opening of storehouse 3 and rotative heater charging aperture.
The present embodiment improves steel-making rhythm, reduces oxygen consumption, while granular material discharged, the energy-saving ring in removing smoke
Protect.
More than, preferred embodiment only of the present utility model, but the scope of protection of the utility model is not limited thereto, and is appointed
What those familiar with the art the change that can readily occur in or replaces in the technical scope that the utility model discloses
Change, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with claim
The protection domain defined is defined.
Claims (3)
- A kind of 1. system that steel scrap is heated using converter gas, it is characterised in that：Conveyed including converter gas pipe-line system, material System and rotative heater；The converter gas pipe-line system includes flue duct bypass, high-temperature heat-exchanging and the non-metal compensator being sequentially communicated, institute Flue duct bypass and converter gas outlet are stated, the non-metal compensator connects with the air inlet of the rotative heater；The material-transporting system includes storage bin, haul belt feeder, feed hopper and bucket lifting device, and the storage bin goes out Mouth is connected with the haul belt feeder feeding end, and the haul belt feeder discharge end is connected with the feed hopper entrance, described to give Bin outlet is connected with the charging aperture of the rotative heater, and the bucket lifting device feeding end goes out with the rotative heater Material mouth connects, and the bucket elevator discharge end is provided with the incubator for being incubated to the steel scrap after heating, the guarantor Incubator bottom sets efficient discharge valve；The cast hopper for being fed intake to converter is provided with below efficient discharge valve；The charging aperture of the rotative heater is set with rotative heater air inlet heteropleural.
- A kind of 2. system that steel scrap is heated using converter gas as claimed in claim 1, it is characterised in that：The converter gas pipe Road system also includes being used for drum, sack cleaner and the gas-blowing engine to generate electricity by way of merging two or more grid systems that exchange heat；The drum and the high temperature Heat exchanger connects, and the gas outlet of the sack cleaner entrance and the rotative heater, the sack cleaner goes out Mouth connects with the gas-blowing engine entrance.
- A kind of 3. system that steel scrap is heated using converter gas as claimed in claim 1, it is characterised in that：The material delivery system System also includes meausring apparatus, and the meausring apparatus is arranged between the feed hopper and haul belt feeder, the feed hopper both ends Mouth is provided with the first vibra feeder and the second vibra feeder, first vibra feeder be arranged on feed hopper feeding mouth and Meausring apparatus outlet between, second vibra feeder be arranged on it is described feed bin discharge port external and rotative heater charging aperture it Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876386.1U CN206916174U (en) | 2017-07-19 | 2017-07-19 | Utilize the system of converter gas heating steel scrap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876386.1U CN206916174U (en) | 2017-07-19 | 2017-07-19 | Utilize the system of converter gas heating steel scrap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206916174U true CN206916174U (en) | 2018-01-23 |
Family
ID=61347753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720876386.1U Expired - Fee Related CN206916174U (en) | 2017-07-19 | 2017-07-19 | Utilize the system of converter gas heating steel scrap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206916174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190120A (en) * | 2017-07-19 | 2017-09-22 | 沈志军 | The technique and system of steel scrap are heated using converter gas |
-
2017
- 2017-07-19 CN CN201720876386.1U patent/CN206916174U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190120A (en) * | 2017-07-19 | 2017-09-22 | 沈志军 | The technique and system of steel scrap are heated using converter gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101575541B (en) | System and process for coal powder preparation | |
| CN106396441B (en) | A kind of cement kiln synergic processing house refuse generates the processing unit and method of kiln ash | |
| CN201494928U (en) | Positive-negative pressure integral multi-functional pump conveying system device | |
| CN202465830U (en) | Residual heat reclaiming system for pellets and sintered ores | |
| CN104832942B (en) | A kind of biomass combustion machine of feeding mechanism and the application mechanism | |
| CN107190120A (en) | The technique and system of steel scrap are heated using converter gas | |
| CN206463735U (en) | A kind of coating emission-control equipment based on thermal accumulating incinerator | |
| CN101684506A (en) | Dust removing system and processing method of blast furnace raw gas | |
| CN206916174U (en) | Utilize the system of converter gas heating steel scrap | |
| CN101885573A (en) | Sludge treatment device using waste heat of boiler and treatment process thereof | |
| CN107236841A (en) | The heater and heating means of a kind of use converter gas waste-heat steel scrap | |
| CN201152532Y (en) | Cooling system for clinker centralized conveying | |
| CN102980177B (en) | A kind of biological material-burning fluidized bed boiler | |
| WO2021223477A1 (en) | Continuous asphalt mixture stirring equipment | |
| CN102557506B (en) | Complete processing equipment of coal gas expanded perlite | |
| CN207066020U (en) | A kind of semi-coke drying system using limekiln exhaust gas waste heat | |
| CN212390395U (en) | Continuous preparation device of coal powder for iron making | |
| CN107741021B (en) | A kind of air-cooled slag drying machine clinker sensible heat reclaiming system | |
| CN207552397U (en) | A kind of iron ore fluidization suspension preheating prereduction device | |
| CN104374213A (en) | Heat exchange device for carrying out heat exchange on solid hot material | |
| CN206037690U (en) | Novel living beings cupola furnace | |
| WO2010020147A1 (en) | Brown coal heat improving and dehydration system | |
| CN203147796U (en) | Biomass fuel conveying device | |
| CN209782653U (en) | System for preventing pyrolysis furnace heat from flowing back during solid waste feeding | |
| CN206160154U (en) | Garbage incinerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20190719 |