CN2908527Y - Safeguard gas mixing device of magnesium alloy rationing smelting furnace - Google Patents
Safeguard gas mixing device of magnesium alloy rationing smelting furnace Download PDFInfo
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- CN2908527Y CN2908527Y CN200620105140.6U CN200620105140U CN2908527Y CN 2908527 Y CN2908527 Y CN 2908527Y CN 200620105140 U CN200620105140 U CN 200620105140U CN 2908527 Y CN2908527 Y CN 2908527Y
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Abstract
The utility model discloses a safety protective gas mixing device of magnesium alloy quantitative furnace, mainly including gas distribution unit, gas mixing unit and emergency gas supply unit. The gas distribution unit includes the first route of N2 gas supply unit, the second route of SF6 gas supply unit. The gas mixing unit includes mixing electromagnetic valve. The first route of N2 gas supply unit and the second route of SF6 gas supply unit connect the mixing electromagnetic valve for mixing. The gas mixing unit includes pressure keeping packet and mixing tank. One end of the pressure keeping packet connects the mixing electromagnetic valve, and the other end connects mixing tank. Comb-like tablets, which can comb the turbulent flow caused by the mixing, are in the mixing tank. The gas inlet pipe of the mixing tank goes through the tank to the bottom. The gas outlet pipe of the mixing tank discharges from the middle-upper part of the tank. Escape hole for discharging residual and sundries regularly is at the bottom of the mixing tank. The protective gas system of accurate control, unit mixing, low discharging quantity, safety and stability realizes eight functions of stabilizing the pressure, balancing the flow, distributing, keeping pressure, mixing, energy storing, constant current outputting and emergency gas supplying.
Description
Technical field
The utility model relates to the magnesium-alloy quantitative smelting furnace in material melting equipment field, relates in particular to the safeguard protection gas mixer of magnesium-alloy quantitative smelting furnace.
Background technology
The most of manufacturers of magnesium-alloy smelting furnace shielding gas pressure reducer commonly used adds suspended body flowmeter preparation mixing at present; easy to use; cheap; the shortcoming proportioning is inaccurate; no mixing device; do not reach desirable protection effect during alloy liquid, the oxidation slagging is many, and the atmosphere adjusting is improper also can to cause the crucible heavy corrosion.Synthesizer as the disclosed a kind of magnesium alloy smelting shielding gas of existing utility model patent, promptly constitute by vacuum extractor, air feeder, gas mixing ratio setting device, accumulator unit four parts, said vacuum means is changed to a mechanical pump, is connected with middle gas cylinder; Said air feeder comprises SF6 gas cylinder, high-purity N 2 gas cylinders, weather gage meter, unidirectional breather valve and ventpipe, and SF6 gas cylinder and N2 gas cylinder link to each other with middle gas cylinder by ventpipe; Gas cylinder, weather gage meter and ventpipe in the middle of said gas mixing ratio setting device comprises; Said accumulator unit comprises mixed gas gas cylinder, two-way breather valve, weather gage meter and ventpipe, mixes gas cylinder and is connected with pipeline, and link to each other with middle gas cylinder by two-way breather valve.
Some improves as external like product, and the effect of protection compares better, but it adopts the mechanical proportional valve to carry out gas mixing ratio to be mixed into one; disposable adjusting when dispatching from the factory; the user can't change proportioning, not only adjust operation and can't carry out, and maintenance brings very big difficulty.The consumable accessory valve block change must be special-purpose spare part and corresponding expert's maintenance, the appropriate litigation fees costliness.And whole gas path device belongs to semiautomatic controls, lacks its air-flow proportioning, mixes operability.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned deficiency, provides a kind of and has control accurately, mixes low emission amount, the safeguard protection gas mixer of the magnesium-alloy quantitative smelting furnace of safety and stability.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the safeguard protection gas mixer of magnesium-alloy quantitative smelting furnace, mainly form by distribution assembly, mixed pneumatic module and urgent gas supply assembly three parts; The distribution assembly comprises one road N2 gas supply assembly, two road SF6 gas supply assemblies, and mixed pneumatic module comprises the hybrid electromagnetic valve, one road N2 gas supply assembly, two road SF6 gas supply assemblies all are communicated with and are used for blended hybrid electromagnetic valve; The measure of taking comprises: mixed pneumatic module also includes pressurize bag, mixing tank; Pressurize Bao Yiduan is communicated with the hybrid electromagnetic valve, and the other end is communicated with mixing tank;
Mixing tank inside is provided with turbulent atmosphere that two kinds of mixing the are caused pectination sheet of combing once more, mixing the gas tank admission passage feeds to pot bottom from the tank top, mix the gas tank outlet pipe from the output of jar middle and upper part, mixed gas tank bottom is provided with and can regularly discharges residue and foreign material drain hole.
The measure of taking also comprises:
The pressurize bag has connected tensimeter, and mixed gas tank connects the pressure unit of the storage power that is useful on the measurement gas jar, and this pressure unit has joint and connects the computer that total system is detected in real time, controls.
Mixed pneumatic module is communicated with urgent gas supply assembly, the mixing tank that urgent gas supply assembly importation includes the manual distribution under meter that is connected with one road N2 air feed, the manual distribution under meter that is connected with one road SF6 air feed and is used for manual flowrate proportioning; Mixing tank then is communicated with the pressurize bag.
Urgent gas supply assembly output comprises and mixes gas tank outlet pipe be connected in proper order manual under meter and manual ball valve connection 2# passage; And also be connected in proper order manual under meter and manual ball valve are communicated with the 3# passage.
One road N2 gas supply assembly is communicated with the solenoid purge valve of automatic cleaning function between two road SF6 gas supply assemblies.
Be communicated with by manual under meter between the pressure unit of N2 gas supply assembly and the magnetic valve and increase that the gas stopping valve forms, what can prevent effectively that the alloy liquid passage from solidifying increases the gas path.
Compared with prior art, the utility model can detect in real time, pilot-gas flow and pressure, realize the combination of two kinds of different media atmosphere fast, reach the effect of accurate proportioning, enter the even combing of pectination sheet that mixes gas tank inside again, make the gas of SF6 and two kinds of different medias of N2, the gas uniform mixing of two quantitative proportion great disparities together; Output can be according to the different burst size of different temperature of fusion and working condition control, reduces the environmental protection influence greatly and saves production cost.The ram air valve door cooperates with pressure die-casting machine realizes that the gap increases airway dysfunction and effectively controls the chance that the infusion channel oxidation is stopped up.Form to have and control accurately, mix low emission amount, the shielding gas system of safety and stability.It has realized voltage stabilizing, weighing apparatus stream, proportioning, pressurize, mixing, energy storage, constant current output, urgent air feed eight big functions.
Description of drawings
Fig. 1 is the utility model embodiment concrete structure and principle of work synoptic diagram.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Shown in Figure 1, the safeguard protection gas mixer of magnesium-alloy quantitative smelting furnace mainly is made up of distribution assembly, mixed pneumatic module and urgent gas supply assembly three parts; The distribution assembly comprises one road N2 gas supply assembly, and two road SF6 gas supply assemblies, described mixed pneumatic module comprise hybrid electromagnetic valve 9, one road N2 gas supply assembly, and two road SF6 gas supply assemblies all are communicated with and are used for blended hybrid electromagnetic valve 9; Mixed pneumatic module also includes pressurize bag 11, mixing tank 13; Pressurize bag 11 1 ends are communicated with hybrid electromagnetic valve 9, and the other end is communicated with mixing tank 13; Mixing tank 13 inside are provided with turbulent atmosphere that two kinds of mixing the are caused pectination sheet of combing once more, mixing gas tank 13 admission passages feeds to pot bottom from the tank top, mix gas tank 13 outlet pipes from the output of jar middle and upper part, mixed gas tank 13 bottoms are provided with and can regularly discharge residue and foreign material drain hole.The proportioning control mode of employing time+pressure+flow three elements has significantly promoted distributing precision; Increased the pressurize gas bag, made the atmosphere unimpeded inflow simultaneously of two kinds of different medias, different magnitudes mix gas tank; Mix gas tank inside and be provided with the pectination sheet, the turbulent atmosphere combing once more with two kinds of mixing cause reaches uniform mixing, mixes the purpose that can reduce air consumption.
Mixed pneumatic module is communicated with urgent gas supply assembly, the mixing tank 26 that urgent gas supply assembly importation includes the manual distribution under meter 24 that is connected with one road N2 air feed, the manual distribution under meter 25 that is connected with one road SF6 air feed and is used for manual flowrate proportioning; 26 in mixing tank is communicated with pressurize bag 11.
Urgent gas supply assembly output comprises and mixes gas tank 13 outlet pipes be connected in proper order manual under meter 15 and manual ball valve 16 connection 2# passages; And also be connected in proper order manual under meter 18 and manual ball valve 19 connection 3# passages.
One road N2 gas supply assembly is communicated with the solenoid purge valve 27 of automatic cleaning function between two road SF6 gas supply assemblies.
Be communicated with between the pressure unit 1 of N2 gas supply assembly and the magnetic valve 4 by manual under meter 22 and magnetic valve 23 and form, what can prevent effectively that the alloy liquid passage from solidifying increases the gas path.
The utility model principle of work:
The N2 of steel cylinder drops to 4～4.5bar from high pressure 125bar by bipolar Pressure-stabilizing pressure reducing device, after detecting suitable air pressure by pressure unit 1, magnetic valve 4 is opened in the time ratio one road N2 is sent into the 7 preparation proportioning outputs of accurate mass flow controller, other is No. two steel cylinder SF6A, SF6B, wherein automatically switch during SF6B low pressure, drop to 4bar by bipolar Pressure-stabilizing pressure reducing device, after detecting suitable air pressure by pressure unit 2 and pressure unit 3 respectively, magnetic valve 5 is opened SF6A in the time ratio, and magnetic valve 6 is opened in the time ratio SF6B is all sent into mass flow controller 8 preparation proportioning outputs.After the hybrid electromagnetic valve 9 that two-way gas all passes through unidirectional stop valve converges, sending into pressurize bag 11 by hybrid electromagnetic valve 9 together carries out one-level and mixes and to build pressure, make the gas of two kinds of different mass molecules mix smoothly, continue to enter secondary and mix the mixing tank 13 of building pressure to make that two kinds of gases mix fully more even, carry out gas energy simultaneously and store.The storage power of pressure unit 12 continuous measurement gas jars, the feedback computer compares control, guarantees that output pressure is invariable, the purpose of constant current.The 2# passage is sent in mass flow controller 14 outputs separately, and pressure detection switch 20 detects the safe pressure of transfer line, and manually under meter 15 and manual ball valve 16 are formed urgent gas channels.The 3# passage is sent in 17 outputs of pump chamber flow director separately, and detector switch 21 detects the safe pressure of transfer line, and manually under meter 18 and manual ball valve 19 are formed urgent gas channels.Manually under meter 24, manually under meter 25 is formed manual flowrate proportioning when urgent, when sending into pressurize bag 11 fast and guarantee the supply network faults through mixing tank 26, keeps urgent air feed state.Solenoid purge valve 27 is opened after cooling automatically, is used for removing the resistates of pipeline.Increase airshed meter 22 and increase gas stopping valve 23 and form and increase the gas path, effectively prevent solidifying of alloy liquid passage.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (6)
1, the safeguard protection gas mixer of magnesium-alloy quantitative smelting furnace mainly is made up of distribution assembly, mixed pneumatic module and urgent gas supply assembly three parts; The distribution assembly comprises one road N2 gas supply assembly, two road SF6 gas supply assemblies, and described mixed pneumatic module comprises hybrid electromagnetic valve (9), described one road N2 gas supply assembly, two road SF6 gas supply assemblies all are communicated with and are used for blended hybrid electromagnetic valve (9); It is characterized in that: described mixed pneumatic module also includes pressurize bag (11), mixing tank (13); Pressurize bag (11) one ends are communicated with hybrid electromagnetic valve (9), and the other end is communicated with mixing tank (13); Mixing tank (13) inside is provided with turbulent atmosphere that two kinds of mixing the are caused pectination sheet of combing once more, mixing gas tank (13) admission passage feeds to pot bottom from the tank top, mix gas tank (13) outlet pipe from the output of jar middle and upper part, mixed gas tank (13) bottom is provided with and can regularly discharges residue and foreign material drain hole.
2, the safeguard protection gas mixer of magnesium-alloy quantitative smelting furnace according to claim 1; it is characterized in that: described pressurize bag (11) has connected tensimeter (10); mix the pressure unit (12) that gas tank (13) connects the storage power that is useful on the measurement gas jar, this pressure unit (12) has joint and connects the computer that total system is detected in real time, controls.
3, the safeguard protection gas mixer of magnesium-alloy quantitative smelting furnace according to claim 1 and 2, it is characterized in that: described mixed pneumatic module is communicated with urgent gas supply assembly, the mixing tank (26) that urgent gas supply assembly importation includes the manual distribution under meter (24) that is connected with one road N2 air feed, the manual distribution under meter (25) that is connected with one road SF6 air feed and is used for manual flowrate proportioning; Mixing tank (26) then is communicated with described pressurize bag (11).
4, the safeguard protection gas mixer of magnesium-alloy quantitative smelting furnace according to claim 3 is characterized in that: described urgent gas supply assembly output comprises and mixes be connected in proper order manual under meter (15) and manual ball valve (16) of gas tank (13) outlet pipe and be communicated with the 2# passage; And also be connected in proper order manual under meter (18) and manual ball valve (19) are communicated with the 3# passage.
5, the safeguard protection gas mixer of magnesium-alloy quantitative smelting furnace according to claim 1 and 2 is characterized in that: described one road N2 gas supply assembly is communicated with the solenoid purge valve (27) of automatic cleaning function between two road SF6 gas supply assemblies.
6, the safeguard protection gas mixer of magnesium-alloy quantitative smelting furnace according to claim 1 and 2; it is characterized in that: be communicated with by manual under meter (22) between pressure unit of described N2 gas supply assembly (1) and the magnetic valve (4) and increase that gas stopping valve (23) forms, what can prevent effectively that the alloy liquid passage from solidifying increases the gas path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620105140.6U CN2908527Y (en) | 2006-06-27 | 2006-06-27 | Safeguard gas mixing device of magnesium alloy rationing smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620105140.6U CN2908527Y (en) | 2006-06-27 | 2006-06-27 | Safeguard gas mixing device of magnesium alloy rationing smelting furnace |
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| CN2908527Y true CN2908527Y (en) | 2007-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200620105140.6U Expired - Lifetime CN2908527Y (en) | 2006-06-27 | 2006-06-27 | Safeguard gas mixing device of magnesium alloy rationing smelting furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043375A (en) * | 2013-03-15 | 2014-09-17 | 宝山钢铁股份有限公司 | Mixing equipment for high pressure natural gas and low pressure coal gas and mixing method |
| CN104711434A (en) * | 2015-02-27 | 2015-06-17 | 新疆众和股份有限公司 | Method and device for supplying chlorine for aluminum melt refining |
| CN111850326A (en) * | 2020-06-19 | 2020-10-30 | 上海交通大学 | Nitrogen-chlorine gas mixing system and method for aluminum melt purification |
-
2006
- 2006-06-27 CN CN200620105140.6U patent/CN2908527Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043375A (en) * | 2013-03-15 | 2014-09-17 | 宝山钢铁股份有限公司 | Mixing equipment for high pressure natural gas and low pressure coal gas and mixing method |
| CN104043375B (en) * | 2013-03-15 | 2016-06-29 | 宝山钢铁股份有限公司 | The mixing apparatus of high-pressure natural gas and low-pressure gas and mixed method |
| CN104711434A (en) * | 2015-02-27 | 2015-06-17 | 新疆众和股份有限公司 | Method and device for supplying chlorine for aluminum melt refining |
| CN111850326A (en) * | 2020-06-19 | 2020-10-30 | 上海交通大学 | Nitrogen-chlorine gas mixing system and method for aluminum melt purification |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070606 |
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| EXPY | Termination of patent right or utility model |