CN208684998U - A kind of desulfurizing iron magnesium powder blast protection managing and control system - Google Patents
A kind of desulfurizing iron magnesium powder blast protection managing and control system Download PDFInfo
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- CN208684998U CN208684998U CN201821276119.1U CN201821276119U CN208684998U CN 208684998 U CN208684998 U CN 208684998U CN 201821276119 U CN201821276119 U CN 201821276119U CN 208684998 U CN208684998 U CN 208684998U
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- tinning
- magnesium powder
- measuring tanks
- nitrogen
- valve
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- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The utility model relates to a kind of desulfurizing iron magnesium powder blast protection managing and control systems, belong to metallurgy industry external desulfurization of hot metal equipment technical field.Technical solution is: turning to be separately connected feeding tube (21) and dust discharge pipeline (22) at the top of tinning (1), the outlet valve (26) for turning tinning (1) is connect with the entrance of two measuring tanks respectively by magnesium powder conveyance conduit (27), the outlet of two measuring tanks is connect with lance pipe (28), nitrogen capstan (30) and nitrogen cooling pipe (31) with turn tinning (1) and two measuring tanks are connect, nitrogen cooling pipe (31) pipeline is equipped with solenoid valve (32), it is described to turn to be equipped with humidity transmitter and temperature transmitter on tinning (1) and two measuring tanks, temperature transmitter is equipped on the magnesium powder conveyance conduit (27) and lance pipe (28).The beneficial effects of the utility model are: can guarantee the safety of magnesium powder during external desulfurization of hot metal, safety accident is avoided the occurrence of.
Description
Technical field
The utility model relates to a kind of desulfurizing iron magnesium powder blast protection managing and control systems, belong to metallurgy industry external desulfurization of hot metal
Equipment technical field.
Background technique
The procedure that external desulfurization of hot metal is produced as steel, advantage mainly in the following areas: (1) desulfurizing iron is pre-
Processing has played the potentiality that slag absorbs sulphur ability, and the productivity of blast furnace can be improved；(2) it is prior to develop desulfurizing iron pretreatment
It is that the very low molten iron of sulfur-bearing can be obtained, provides necessary condition to produce high-quality steel；(3) external desulfurization of hot metal is with respect to blast furnace, converter
It is minimum with desulphurization cost for the processes such as external refining；(4) after developing desulfurizing iron pretreatment, the steel grade of converter smelting is expanded
Range enables converter to smelt the new steel grades such as Automobile Plate, ocean platform plate, hull plate, stainless steel；(5) desulfurization pretreatment is answered
With the quality for also further ensuring continuous casting working procedure production direct motion and continuous casting billet；(6) desulfurizing iron pretreatment can shorten converter,
The smelting cycle of refining procedure.
Elemental magnesium is pulverulence, the feature of high temperature and dazzling white light is generated when with inflammable and explosive, burning, magnesium powder is molten
In mineral acid, dense hydrofluoric acid, ammonium salt and hot water.Mainly by electrolyzing fused magnesium chloride and electrolyzing fused go water carnallite system
It takes.Magnesium powder dampness can generate spontaneous combustion, self-destruction.When 10-25 containing magnesium powder milligrams in every liter of air, encountering fire source will explode.It meets
Water vigorous reaction, storage area should have suitable material receiving leakage and be stored in shady and cool, dry, draughty dedicated storehouse
It is interior, far from kindling material, heat source.Direct sunlight is prevented, disposition is operated in nitrogen.Ku Wen is no more than 32 DEG C, and relative humidity is no more than
75%, packing instructions sealing can not be contacted with air.Storage should be separated with oxidant, acids, halogen, chlorohydrocarbon etc., never mixed
Storage.Using explosion-proof type illumination, ventilation equipment.It is forbidden to use the mechanical equipment and tool for being also easy to produce spark.Common hazardous chemical
Classification and mark (GB 13690-92) hazardous chemical register magnesium powder accident the characteristics of (1) burning it is fierce, control difficulty is big；
(2) flame temperature is high, burns dangerous big；(3) when magnesium burns, intense white light is generated, it is dangerous big；(4) after magnesium powder mixes with air
Explosive mixture is formed, fire source is met and violent explosion occurs, building easily collapses；(5) scene of a fire smog is dense, and magnesium generates when burning
White dense smoke, it is poly- long not dissipate.Therefore, during external desulfurization of hot metal, the safety that the conveying and spray of magnesium powder add seems especially heavy
It wants, to avoid safety accident.
Utility model content
The utility model aim is to provide a kind of desulfurizing iron magnesium powder blast protection managing and control system, can guarantee de- outside molten iron furnace
The safety of magnesium powder, avoids the occurrence of safety accident during sulphur, solves the problems, such as background technique.
The technical solution of the utility model is:
A kind of desulfurizing iron magnesium powder blast protection managing and control system, comprising turning tinning, measuring tank, humidity transmitter, temperature pick-up
Device, charging hopper, feeding tube, dust discharge pipeline, charging valve, dust discharge valve, bag filter, outlet valve, magnesium powder conveyance conduit, spray
Gun barrel road, magnesium powder spray gun, nitrogen capstan, nitrogen cooling pipe and solenoid valve, turn to be separately connected charge pipe at the top of tinning
Road and dust discharge pipeline, the feeding tube are equipped with charging valve and charging hopper, and dust discharge pipeline is equipped with dust discharge valve, dust discharge pipeline
Connect with bag filter, the bottom for turning tinning is equipped with outlet valve, turn the outlet valve of tinning by magnesium powder conveyance conduit respectively with
The entrance connection of two measuring tanks, the outlet of two measuring tanks are connect with lance pipe, and the lance pipe is sprayed equipped with magnesium powder
Rifle, nitrogen capstan and nitrogen cooling pipe with turn tinning and two measuring tanks are connect, the nitrogen cooling pipe pipeline
It is equipped with solenoid valve, described to turn to be equipped with humidity transmitter and temperature transmitter on tinning and two measuring tanks, the magnesium powder is defeated
It send and is equipped with temperature transmitter on pipeline and lance pipe.
The nitrogen capstan is connected to the top for turning tinning and two measuring tanks, and nitrogen cooling pipe connects respectively
It connects in the lower part for turning tinning and two measuring tanks.
The temperature transmitter turned in tinning and two measuring tanks is two, is respectively provided at and turns tinning and two meterings
The upper and lower part of tank.
Using the utility model, during normal production, nitrogen capstan is in the open state, and nitrogen cooling pipe, which is in, to close
Closed state.When external desulfurization of hot metal, magnesium powder is turned in tinning by feeding tube addition first, turns the dust and flue gas in tinning
It is discharged into atmosphere after entering bag filter filtering by dust discharge pipeline, the magnesium powder turned in tinning passes through magnesium powder under the pressure of nitrogen
Conveyance conduit is conveyed to two measuring tanks respectively, and the magnesium powder in two measuring tanks enters lance pipe under the pressure of nitrogen, and
It is sprayed into furnace by spray gun, carries out external desulfurization of hot metal.When turning temperature or humidity or magnesium powder in tinning and two measuring tanks
In conveyance conduit and lance pipe when the temperature is excessively high, the solenoid valve on nitrogen cooling pipe automatically opens, and to turn tinning and
It is filled with nitrogen in two measuring tanks, the nitrogen amount turned in tinning and two measuring tanks is increased, until turning tinning and two measuring tanks
Until temperature in interior temperature and humidity or magnesium powder conveyance conduit and lance pipe meets standard requirements.
The beneficial effects of the utility model are: can guarantee the safety of magnesium powder during external desulfurization of hot metal, avoid out
Existing safety accident.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
In figure: turning tinning 1, measuring tank 1, measuring tank 23, humidity transmitter 1, temperature transmitter 1, temperature pick-up
Device 26, temperature transmitter 77, humidity transmitter 28, temperature transmitter 39, temperature transmitter 4 10, temperature transmitter eight
11, humidity transmitter 3 12, temperature transmitter 5 13, temperature transmitter 6 14, temperature transmitter 9 15, magnesium powder transport vehicle 16,
Magnesium powder tank 17, garbage collection trolley 18, charging hopper 20, feeding tube 21, dust discharge pipeline 22, charging valve 23, dust discharge valve 24, bag
Formula filter 25, outlet valve 26, magnesium powder conveyance conduit 27, lance pipe 28, magnesium powder spray gun 29, nitrogen capstan 30, nitrogen
Cooling pipe 31, solenoid valve 32.
Specific embodiment
Below in conjunction with attached drawing, by example, the utility model is described in further detail.
Referring to attached drawing 1, a kind of desulfurizing iron magnesium powder blast protection managing and control system, comprising turning tinning 1, measuring tank, humidity pick-up
Device, temperature transmitter, charging hopper 20, feeding tube 21, dust discharge pipeline 22, charging valve 23, dust discharge valve 24, bag filter
25, outlet valve 26, magnesium powder conveyance conduit 27, lance pipe 28, magnesium powder spray gun 29, nitrogen capstan 30, nitrogen cooling pipe
31 and solenoid valve 32, the top for turning tinning 1 be separately connected feeding tube 21 and dust discharge pipeline 22, the feeding tube 21 is equipped with
Charging valve 23 and charging hopper 20, dust discharge pipeline 22 are equipped with dust discharge valve 24, and dust discharge pipeline 22 is connect with bag filter 25, turn
The bottom of tinning 1 is equipped with outlet valve 26, turn the outlet valve 26 of tinning 1 by magnesium powder conveyance conduit 27 respectively with two measuring tanks
Entrance connection, the outlet of two measuring tanks are connect with lance pipe 28, are sprayed and are stated gun barrel road 28 equipped with magnesium powder spray gun 29, nitrogen
Capstan 30 and nitrogen cooling pipe 31 with turn tinning 1 and two measuring tanks are connect, 31 pipeline of nitrogen cooling pipe
It is equipped with solenoid valve 32, it is described to turn to be equipped with humidity transmitter and temperature transmitter, the magnesium powder on tinning 1 and two measuring tanks
Temperature transmitter is equipped on conveyance conduit 27 and lance pipe 28.
In the present embodiment, two measuring tanks are respectively measuring tank 1 and measuring tank 23, turn in tinning 1 from top to bottom according to
Secondary installation humidity transmitter 1, temperature transmitter 1, temperature transmitter 26, measuring tank 1 successively install humidity from top to bottom
Transmitter 28, temperature transmitter 39, temperature transmitter 4 10, measuring tank 23 successively install humidity transmitter three from top to bottom
12, temperature transmitter 5 13, temperature transmitter 6 14 install temperature transmitter 77, measuring tank 1 on magnesium powder conveyance conduit 27
Temperature transmitter 8 11 and temperature transmitter 9 15 are installed respectively on the lance pipe 28 of measuring tank 23.
The pressure of nitrogen is 0.4-0.6MPa, nitrogen capstan in nitrogen capstan 30 and nitrogen cooling pipe 31
30 are connected to the top for turning tinning 1 and two measuring tanks, and nitrogen cooling pipe 31, which is connected to, turns tinning 1 and two meters
The lower part of measuring tank.Motor-driven valve 32 is installed on nitrogen cooling pipe 31.
Master controller in the system uses west gate subfamily, completes acquisition, processing to live temperature and humidity, and alarm
Output.
When turning tinning 1 and detecting that temperature or humidity is exceeded, scene issues alarm signal, at this time on nitrogen cooling pipe 31
Solenoid valve 32 automatically open, to turning to be filled with nitrogen in tinning 1 and magnesium powder conveyance conduit 27；When measuring tank 1 or measuring tank 23
It detects temperature or humidity alarm signal, is equally filled with nitrogen into two measuring tanks and conveying magnesium powder pipeline, guarantees magnesium powder
Using safe.
Claims (3)
1. a kind of desulfurizing iron magnesium powder blast protection managing and control system, it is characterised in that: comprising turning tinning (1), measuring tank, humidity pick-up
Device, temperature transmitter, charging hopper (20), feeding tube (21), dust discharge pipeline (22), charging valve (23), dust discharge valve (24), bag
Formula filter (25), outlet valve (26), magnesium powder conveyance conduit (27), lance pipe (28), magnesium powder spray gun (29), nitrogen forcing pipe
Road (30), nitrogen cooling pipe (31) and solenoid valve (32) turn to be separately connected feeding tube (21) and dust discharge at the top of tinning (1)
Pipeline (22), the feeding tube (21) are equipped with charging valve (23) and charging hopper (20), and dust discharge pipeline (22) is equipped with row
Dirt valve (24), dust discharge pipeline (22) are connect with bag filter (25), and the bottom for turning tinning (1) is equipped with outlet valve (26), turn dress
The outlet valve (26) of tank (1) is connect respectively by magnesium powder conveyance conduit (27) with the entrance of two measuring tanks, two measuring tanks
Outlet is connect with lance pipe (28), the lance pipe (28) equipped with magnesium powder spray gun (29), nitrogen capstan (30) and
Nitrogen cooling pipe (31) with turn tinning (1) and two measuring tanks are connect, nitrogen cooling pipe (31) pipeline is equipped with
Solenoid valve (32), described to turn to be equipped with humidity transmitter and temperature transmitter on tinning (1) and two measuring tanks, the magnesium powder is defeated
It send and is equipped with temperature transmitter on pipeline (27) and lance pipe (28).
2. a kind of desulfurizing iron magnesium powder blast protection managing and control system according to claim 1, it is characterised in that: the nitrogen adds
Pressure pipeline (30) is connected to the top for turning tinning (1) and two measuring tanks, and nitrogen cooling pipe (31), which is connected to, to be turned
The lower part of tinning (1) and two measuring tanks.
3. a kind of desulfurizing iron magnesium powder blast protection managing and control system according to claim 1 or 2, it is characterised in that: described turn
Temperature transmitter in tinning (1) and two measuring tanks is two, is respectively provided at the top for turning tinning (1) and two measuring tanks
The lower part and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821276119.1U CN208684998U (en) | 2018-08-09 | 2018-08-09 | A kind of desulfurizing iron magnesium powder blast protection managing and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821276119.1U CN208684998U (en) | 2018-08-09 | 2018-08-09 | A kind of desulfurizing iron magnesium powder blast protection managing and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208684998U true CN208684998U (en) | 2019-04-02 |
Family
ID=65884311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821276119.1U Expired - Fee Related CN208684998U (en) | 2018-08-09 | 2018-08-09 | A kind of desulfurizing iron magnesium powder blast protection managing and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208684998U (en) |
-
2018
- 2018-08-09 CN CN201821276119.1U patent/CN208684998U/en not_active Expired - Fee Related
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| 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: 20190402 Termination date: 20190809 |