CN212404228U - Valve device for discharging high-temperature liquid magnesium chloride in titanium sponge production process - Google Patents
Valve device for discharging high-temperature liquid magnesium chloride in titanium sponge production process Download PDFInfo
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- CN212404228U CN212404228U CN202021881836.4U CN202021881836U CN212404228U CN 212404228 U CN212404228 U CN 212404228U CN 202021881836 U CN202021881836 U CN 202021881836U CN 212404228 U CN212404228 U CN 212404228U
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Abstract
A valve device for discharging high-temperature liquid magnesium chloride in the process of producing titanium sponge mainly comprises a valve body, a plug head, a fastening screw, a valve rod, a large graphite gasket, a heat-insulating circular ring plate, a supporting seat A, a graphite gasket, a supporting seat B, a pressurizing pipe, a packing sealing seat, a fluororubber sealing gasket and a hand wheel. During reduction charging production, when high-temperature liquid magnesium chloride needs to be discharged, the hand wheel is rotated to drive the valve rod to lift upwards, namely, the valve is opened to punch the reactor, and the high-temperature magnesium chloride flows into the valve from the transverse inlet of the valve seat and flows out from the outlet at the bottom of the valve seat. The process realizes the discharge of high-temperature magnesium chloride; the production period of the titanium sponge is shortened, the energy consumption is reduced, the utilization rate of equipment is increased, and the labor intensity of workers is reduced.
Description
Technical Field
The invention relates to a device for producing titanium sponge, in particular to a valve device for discharging high-temperature liquid magnesium chloride in the process of producing titanium sponge.
Background
At present, the industrial production of titanium sponge at home and abroad adopts a method for reducing titanium tetrachloride by magnesium. The method is characterized in that liquid magnesium is added into a reactor, titanium tetrachloride is continuously added to react with the liquid magnesium to obtain granular titanium, titanium sponge lumps are slowly formed, a by-product magnesium chloride is continuously discharged, and in a reduction distillation process, most of furnace types are produced by an inverted U-shaped combined method. In order to improve the production quality of the titanium sponge and reduce the production cost, the large-scale equipment is taken as a technical development direction in all countries. However, as the furnace type increases, the volume of the titanium lumps increases, i.e. the mass per furnace increases, and MgCl is produced2The amount of (c) also increases. MgCl discharge on the reactor2The transverse pipe orifice is originally formed by connecting a flange, a blind plate and a sealing gasket by bolts, and the blind plate must be detached before liquid magnesium chloride is discharged, so that the labor intensity of an operator is increased; the temperature of the discharged magnesium chloride is about 850 ℃, after the discharge is finished, the blind plate must be installed to continue the production, but the temperature of the magnesium chloride pipe after the magnesium chloride is discharged is high, the manual operation is not easy, and the operation can be carried out only by forcibly reducing the temperature of the magnesium chloride pipe to the safe temperature. The minimum time of each time of dismantling, cooling and assembling is 0.5 hour, the magnesium chloride needs to be discharged about thirty times when 1 furnace of products are produced by reduction, and the production time which is delayed is 15 hours; before each disassembly or assembly, the horizontal pipe, the flange, the blind plate and the like on the reactor need to be cooled down strongly, so that liquid MgCl in the horizontal pipe of the reactor is easy to cause2The blockage is caused by solidification, and after the blockage, the blockage is manually knocked by steel drill to dredge, so that the labor intensity of operators is increased, and the reduction time is prolonged; during the 15 hour period of the delay,the bottom of the reduction furnace needs to be heated to maintain heat, so that the energy consumption is increased, the equipment works at high temperature for a long time in the period, and the service life of the equipment is shortened.
Disclosure of Invention
The invention aims to solve the problems existing in the prior art that: before discharging magnesium chloride each time, the blind plate needs to be disassembled and the blind plate needs to be installed after discharging.
In order to solve the technical problems, the invention adopts the following technical scheme:
a valve device for discharging high-temperature liquid magnesium chloride in the process of producing titanium sponge mainly comprises a valve body 1, a plug 2, a fastening screw 3, a valve rod 4, a large graphite gasket 5, a heat insulation circular ring plate 6, a supporting seat A7, a graphite gasket 8, a supporting seat B9, an argon filling pipe 10, a packing sealing seat 11, a fluororubber sealing gasket 12, a vacuum rubber sealing gasket 13, a gland 14 and a hand wheel 15;
the valve body 1 is of a three-way structure, a flange is arranged at each through hole, and a round chamfer is arranged at the contact part of the valve body and the plug head 2; a magnesium chloride inlet pipe is connected to the transverse flange of the valve body 1, and a magnesium chloride outlet pipe is connected to the outlet of the vertical flange;
the top of the valve rod 4 is provided with a hand wheel 15, and the valve rod 4 penetrates through the gland 14, the vacuum rubber sealing gasket 13, the fluororubber sealing gasket 12, the packing sealing seat 11, the supporting seat B9, the supporting seat A7 and the heat insulation circular plate 6 and extends into the valve body 1; the bottom end of the valve rod 4 is connected with the plug head 2 through threads, a vertical flange of the valve body 1 is connected with a flange at the bottom of the supporting seat A7 through a bolt, and a large graphite gasket 5 and a heat insulation circular ring plate 6 are arranged between the vertical flange and the flange; a fastening screw 3 is arranged at the joint of the valve rod 4 and the plug head 2;
the flange at the upper part of the supporting seat A7 is connected with the flange at the lower part of the supporting seat B9 through screws, and a graphite gasket 8 is arranged between the flanges;
the argon filling pipe 10 is arranged on the supporting seat B9, a flange at the upper part of the supporting seat B9 is in flange connection with the packing sealing seat 11, and a graphite gasket 8 is arranged between the flange and the packing sealing seat; an internal thread 16 is arranged at the lower inner hole of the supporting seat B9, and an external thread 17 is arranged on the valve rod 4 matched with the internal thread;
the vacuum rubber sealing gasket 13 and the fluororubber sealing gasket 12 are arranged in the packing sealing seat 11, the packing sealing seat 11 is connected with the gland 14 through screws, and the gland 14 compacts the vacuum rubber sealing gasket 13 and the fluororubber sealing gasket 12 in the packing sealing seat 11.
The invention has the beneficial effects that:
1. the invention solves the technical problem that the blind plate at the magnesium chloride position needs to be manually dismantled when high-temperature liquid magnesium chloride is discharged in the reduction production process of titanium sponge.
2. Compared with the prior art, the invention shortens the reduction production period by 15 hours, reduces the reduction power transmission, and saves the production power consumption cost by 1000KWH per furnace.
3. The invention shortens the production time of the production equipment in a single-furnace high-temperature state and increases the utilization rate of the production equipment.
4. The invention greatly reduces the labor intensity of operators.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1-valve body, 2-plug, 3-fastening screw, 4-valve rod, 5-large graphite gasket, 6-heat insulation circular ring plate, 7-support seat A, 8-graphite gasket, 9-support seat B, 10-argon filling pipe, 11-packing seal seat, 12-fluororubber seal pad, 13-vacuum rubber seal pad, 14-gland, 15-hand wheel, 16-internal thread and 17-external thread.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a valve device for discharging high-temperature liquid magnesium chloride in the process of producing titanium sponge mainly comprises a valve body 1, a plug 2, a fastening screw 3, a valve rod 4, a large graphite gasket 5, a heat insulation circular ring plate 6, a supporting seat A7, a graphite gasket 8, a supporting seat B9, an argon filling pipe 10, a packing sealing seat 11, a fluororubber sealing gasket 12, a vacuum rubber sealing gasket 13, a gland 14 and a hand wheel 15;
the valve body 1 is of a three-way structure, a flange is arranged at each through hole, and a round chamfer is arranged at the contact part of the valve body and the plug head 2; a magnesium chloride inlet pipe is connected to the transverse flange of the valve body 1, and a magnesium chloride outlet pipe is connected to the outlet of the vertical flange;
the top of the valve rod 4 is provided with a hand wheel 15, and the valve rod 4 penetrates through the gland 14, the vacuum rubber sealing gasket 13, the fluororubber sealing gasket 12, the packing sealing seat 11, the supporting seat B9, the supporting seat A7 and the heat insulation circular plate 6 and extends into the valve body 1; the bottom end of the valve rod 4 is connected with the plug head 2 through threads, a vertical flange of the valve body 1 is connected with a flange at the bottom of the supporting seat A7 through a bolt, and a large graphite gasket 5 and a heat insulation circular ring plate 6 are arranged between the vertical flange and the flange;
a fastening screw 3 is arranged at the joint of the valve rod 4 and the plug head 2 and is used for reinforcing connection;
the flange at the upper part of the supporting seat A7 is connected with the flange at the lower part of the supporting seat B9 through screws, and a graphite gasket 8 is arranged between the flanges;
the argon filling pipe 10 is arranged on the supporting seat B9, a flange at the upper part of the supporting seat B9 is in flange connection with the packing sealing seat 11, and a graphite gasket 8 is arranged between the flange and the packing sealing seat; an internal thread 16 is arranged at the lower inner hole of the supporting seat B9, and an external thread 17 is arranged on the valve rod 4 matched with the internal thread and is used for enabling the valve rod 4 to move up and down and preventing the screw rod from deforming;
the vacuum rubber sealing gasket 13 and the fluororubber sealing gasket 12 are arranged in the packing sealing seat 11, the packing sealing seat 11 is connected with the gland 14 through screws, and the gland 14 compacts the vacuum rubber sealing gasket 13 and the fluororubber sealing gasket 12 in the packing sealing seat 11.
During reduction charging production, the plug 2 is contacted and sealed with the bottom of the valve seat 1, and argon is filled from the argon filling pipe 10, so that the interior of the valve device is kept at a certain pressure. When high-temperature liquid magnesium chloride needs to be discharged, the hand wheel 15 is rotated, the valve rod 4 is driven to lift upwards under the action of the internal thread 16 and the external thread 17, namely, the valve is opened, the reactor is stamped, and the high-temperature magnesium chloride flows into the valve from the transverse inlet of the valve seat 1 and flows out from the outlet at the bottom of the valve seat 1. After the magnesium chloride is discharged, the hand wheel 15 is rotated, the valve is closed, argon gas is filled from the argon filling pipe 10, the residual high-temperature magnesium chloride in the valve is pressed into the reactor to prevent the magnesium chloride pipe from being blocked, and the argon filling pipe 10 is closed when the pressure in the valve reaches a certain pressure. The process realizes the discharge of high-temperature magnesium chloride. Compared with the prior art, the production cycle of the titanium sponge is shortened by 15 hours, the energy consumption is reduced by 1000KWH, the utilization rate of equipment is increased, and the labor intensity of workers is reduced.
Claims (1)
1. A valve device for discharging high-temperature liquid magnesium chloride in the process of producing titanium sponge mainly comprises a valve body (1), a plug head (2), a fastening screw (3), a valve rod (4), a large graphite gasket (5), a heat insulation circular ring plate (6), a supporting seat A (7), a graphite gasket (8), a supporting seat B (9), an argon filling pipe (10), a packing sealing seat (11), a fluororubber sealing gasket (12), a vacuum rubber sealing gasket (13), a gland (14) and a hand wheel (15); the valve body (1) is of a three-way structure, a flange is arranged at each through hole, and a round chamfer is arranged at the contact part of the valve body and the plug head (2); a transverse flange of the valve body (1) is connected with a magnesium chloride inlet pipe, and an outlet of the vertical flange is connected with a magnesium chloride outlet pipe; the method is characterized in that: the bottom end of the valve rod (4) is connected with the plug head (2) through threads, a vertical flange of the valve body (1) is connected with a flange at the bottom of the supporting seat A (7) through a bolt, and a large graphite gasket (5) and a heat insulation circular ring plate (6) are arranged between the vertical flange and the flange; a fastening screw (3) is arranged at the joint of the valve rod (4) and the plug head (2);
the flange at the upper part of the supporting seat A (7) is connected with the flange at the lower part of the supporting seat B (9) through screws, and a graphite gasket (8) is arranged between the flanges;
an argon filling pipe (10) is arranged on the supporting seat B (9), a flange at the upper part of the supporting seat B (9) is connected with a flange of a packing sealing seat (11), and a graphite gasket (8) is arranged between the flange and the packing sealing seat; an internal thread (16) is arranged at the inner hole of the lower part of the support seat B (9), and an external thread (17) is arranged on the valve rod (4) matched with the internal thread;
the vacuum rubber sealing gasket (13) and the fluororubber sealing gasket (12) are arranged inside the packing sealing seat (11), the packing sealing seat (11) is connected with the gland (14) through screws, and the gland (14) compacts the vacuum rubber sealing gasket (13) and the fluororubber sealing gasket (12) in the packing sealing seat (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021881836.4U CN212404228U (en) | 2020-09-02 | 2020-09-02 | Valve device for discharging high-temperature liquid magnesium chloride in titanium sponge production process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021881836.4U CN212404228U (en) | 2020-09-02 | 2020-09-02 | Valve device for discharging high-temperature liquid magnesium chloride in titanium sponge production process |
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| CN212404228U true CN212404228U (en) | 2021-01-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910090A (en) * | 2020-09-02 | 2020-11-10 | 遵义钛业股份有限公司 | Valve device for discharging high-temperature liquid magnesium chloride in titanium sponge production process |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910090A (en) * | 2020-09-02 | 2020-11-10 | 遵义钛业股份有限公司 | Valve device for discharging high-temperature liquid magnesium chloride in titanium sponge production process |
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