CN218408643U - Lead placing valve for lead melting pot - Google Patents
Lead placing valve for lead melting pot Download PDFInfo
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- CN218408643U CN218408643U CN202222643987.1U CN202222643987U CN218408643U CN 218408643 U CN218408643 U CN 218408643U CN 202222643987 U CN202222643987 U CN 202222643987U CN 218408643 U CN218408643 U CN 218408643U
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- lead
- transverse straight
- straight channel
- melting pot
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Abstract
The utility model relates to a non ferrous metal smelting equipment technical field, in particular to lead melting pot is with putting plumbous valve, including interior valve casing, valve rod, horizontal direct way spherical groove has been seted up to the top of horizontal direct way, the inside of valve casing including the valve rod spiro union the top of valve rod is equipped with the valve handle, and the bottom of valve rod is equipped with spherical plunger, spherical plunger can peg graft in the inside of spherical groove. The utility model discloses a lead placing valve for a lead melting pot, which has good sealing performance and convenient adjustment.
Description
Technical Field
The utility model relates to the technical field of non-ferrous metal smelting equipment, in particular to a lead placing valve for a lead melting pot.
Background
During the production process of lead alloy smelting, firstly, a lead ingot is required to be melted into lead liquid in a lead melting pot, a plurality of metal elements are proportioned to form lead alloy, the qualified lead alloy is conveyed into each lead mould from the bottom of the lead melting pot through a lead conveying pipe, and the finished alloy ingot and the like are cast through casting and cooling. The lead alloy is a high-temperature metal liquid, the temperature is usually between 420 and 580 ℃, and the specific gravity of the lead alloy is as high as 11.3437g/cm 3 The lead valve installed on the lead pipe is required to have good sealing and operating performance and convenient disassembly and maintenance. Most of lead discharging valves used in the prior production are plug valves, ball valves or casting valves, have the defects of failure in opening and closing, poor sealing performance, low working efficiency and the like caused by deformation of valve rods due to long-term high-temperature heating in the lead discharging process, easily cause pipeline blockage or lead alloy solution leakage, have various potential safety hazards and influence the normal production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides a lead placing valve for a lead melting pot, which has good sealing performance and convenient adjustment.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a lead placing valve for a lead melting pot comprises an inner valve casing, a valve rod and a transverse straight channel, wherein a spherical groove is formed above the transverse straight channel, the valve rod is in threaded connection with the inside of the inner valve casing, a valve handle is arranged at the top of the valve rod, a spherical plunger is arranged at the bottom of the valve rod, and the spherical plunger can be inserted into the spherical groove;
one end of the transverse straight channel is provided with a lead inlet, the other end of the transverse straight channel is provided with an overhauling sealing flange, and the overhauling sealing flange is detachably arranged on the transverse straight channel through a screw;
the bottom end of the inner valve shell is provided with a lead outlet.
Preferably: and heat preservation devices are arranged outside the inner valve shell and the transverse straight channel.
Preferably: the heat preservation device comprises an outer valve shell and a hot air inlet pipe, wherein the outer valve shell wraps the outer sides of the inner valve shell and the transverse straight channel, the input end of the hot air inlet pipe extends to the inside of the external hearth, the output end of the hot air inlet pipe is connected with the outer valve shell, and the end of the hot air inlet pipe is positioned at the bottom of the outer valve shell;
and an exhaust pipe is arranged on one side of the outer valve shell.
Preferably: the exhaust pipe is positioned above the transverse straight channel.
Preferably: and a gate valve is arranged on the hot air inlet pipe and is close to the input end of the hot air inlet pipe.
To sum up, the utility model discloses following beneficial effect has:
1. when lead is put, the valve rod and the spherical plunger are driven to move upwards by rotating the valve handle, so that the flow of lead liquid can be controlled conveniently and quickly;
2. the sealing is realized through the matching of the spherical plunger and the spherical groove, and the sealing performance is good;
3. the lead outlet is positioned at the bottom end of the inner valve shell, so that oxides and impurities in a lead alloy solution can be reduced during pouring;
4. the heat preservation device can reduce the waste of heat energy.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.
FIG. 1 is a side view of a lead discharging valve for a lead melting pot;
FIG. 2 is a front view of a lead discharging valve for a lead melting pot;
wherein: 1. a valve handle; 2. a valve stem; 3. an inner valve housing; 4. an outer valve housing; 5. a spherical plunger; 6. a transverse straight channel; 7. a spherical groove; 8. lead outlet holes; 9. a lead inlet hole; 10. overhauling the sealing flange; 11. a screw; 12. a hot air inlet pipe; 13. an external hearth; 14. an exhaust pipe; 15. and (4) a gate valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-2, a lead placing valve for a lead melting pot comprises an inner valve shell 3, a valve rod 2 and a transverse straight channel 6, wherein a spherical groove 7 is formed above the transverse straight channel 6, the valve rod 2 is screwed in the inner valve shell 3, a valve handle 1 is arranged at the top of the valve rod 2, a spherical plunger 5 is arranged at the bottom of the valve rod 2, and the spherical plunger 5 can be inserted in the spherical groove 7; the bottom end of the inner valve shell 3 is provided with a lead outlet 8.
In this implementation, when putting lead, drive valve rod 2, spherical plunger 5 through rotary valve handle 1 and upwards move, not only can realize the control to lead liquid flow, convenient and fast, the size of adjustable spherical plunger 5 and spherical groove 7 cooperation dynamics simultaneously has solved sealed face expend with heat and contract with cold's difficult problem. The sealing is realized through the matching of the spherical plunger 5 and the spherical groove 7, and the sealing performance is good; the lead outlet 8 is located at the bottom end of the inner valve casing 3, so that oxides and impurities in the lead alloy solution can be reduced during casting.
Therefore, the continuity of the lead alloy casting process is ensured, the purity of the lead alloy solution and the continuity of the casting process are improved, the labor intensity is reduced, the casting defects of castings are reduced, the benefit is improved, and the cost is reduced.
A lead inlet hole 9 is formed in one end of the transverse straight channel 6, an overhaul sealing flange 10 is arranged at the other end of the transverse straight channel 6, and the overhaul sealing flange 10 is detachably mounted on the transverse straight channel 6 through a screw 11.
In the embodiment, the maintenance sealing flange 10 is detachably mounted at one end of the transverse straight channel 6, so that lead slag entering the valve body and the lead pipe out of the pot body can be conveniently cleaned and dredged, and the purpose of prolonging the service life of the lead valve is achieved.
The heat preservation device is arranged outside the inner valve shell 3 and the transverse straight channel 6, and the heat preservation device can reduce heat energy waste.
The heat preservation device comprises an outer valve shell 4 and a hot air inlet pipe 12, wherein the outer valve shell 4 wraps the outer sides of the inner valve shell 3 and the transverse straight channel 6, the input end of the hot air inlet pipe 12 extends into the external hearth 13, the output end of the hot air inlet pipe is connected with the outer valve shell 4, and the end is positioned at the bottom of the outer valve shell 4; an exhaust pipe 14 is provided at one side of the outer valve casing 4. The exhaust pipe 14 is located above the lateral straight passage 6. The hot air inlet pipe 12 is provided with a gate valve 15, and the gate valve 15 is close to the input end of the hot air inlet pipe 12.
In this embodiment, advance hot-blast main 12 and can give inner valve casing 3 and horizontal straight passageway 6 with the heat transfer in outside furnace 13 through outer valve casing 4, play and preheat the heat preservation effect, be convenient for put plumbous operation period valve rod 2 regulation flow, and push-pull valve 15 is located the input end department that advances hot-blast main 12, is convenient for according to the reasonable switch of production demand, stops the waste of heat energy.
In this embodiment, the valve rod 2, the inner valve housing 3 and the transverse straight channel 6 are all made of 40cr wear-resistant steel.
The working principle is as follows: when lead liquid is discharged, the valve rod 2 and the spherical plunger 5 are driven to move upwards by rotating the valve handle 1, and the lead liquid can be discharged through the lead inlet hole 9, the transverse straight channel 6, the spherical groove 7, the inner valve shell 3 and the lead outlet hole 8 in sequence, so that pouring can be realized;
when the heat is preserved, the gate valve 15 is opened to convey the hot air in the hearth into the outer valve shell 4 through the hot air inlet pipe 12, the heat in the hot air is transferred to the inner valve shell 3 and the transverse straight channel 6 to realize preheating, and the hot air is finally discharged through the exhaust pipe 14.
During maintenance, the screws 11 at the joint of the maintenance sealing flange 10 and the transverse straight channel 6 are removed, the maintenance sealing flange 10 is dismantled, and then lead slag entering the valve body and the lead outlet pipe can be quickly maintained and cleaned.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will appreciate that; the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (5)
1. A lead placing valve for a lead melting pot is characterized by comprising an inner valve casing, a valve rod and a transverse straight channel, wherein a spherical groove is formed above the transverse straight channel, the valve rod is in threaded connection with the inside of the inner valve casing, a valve handle is arranged at the top of the valve rod, a spherical plunger is arranged at the bottom of the valve rod, and the spherical plunger can be inserted into the spherical groove;
one end of the transverse straight channel is provided with a lead inlet, the other end of the transverse straight channel is provided with an overhauling sealing flange, and the overhauling sealing flange is detachably arranged on the transverse straight channel through a screw;
the bottom end of the inner valve shell is provided with a lead outlet.
2. The lead discharging valve for the lead melting pot as claimed in claim 1, wherein a heat insulating device is provided outside the inner valve casing and the transverse straight passage.
3. The lead discharging valve for the lead melting pot according to claim 2, wherein the heat retaining device comprises an outer valve casing and a hot air inlet pipe, the outer valve casing wraps the outer side of the inner valve casing and the transverse straight channel, the input end of the hot air inlet pipe extends to the inside of the external hearth, the output end of the hot air inlet pipe is connected with the outer valve casing, and the end is positioned at the bottom of the outer valve casing;
an exhaust pipe is arranged on one side of the outer valve shell.
4. A lead tapping valve for a lead melting pot as claimed in claim 3 wherein said vent pipe is located above said transverse straight channel.
5. The lead discharging valve for the lead melting pot as recited in claim 3, wherein a gate valve is arranged on the hot air inlet pipe, and the gate valve is close to the input end of the hot air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222643987.1U CN218408643U (en) | 2022-10-09 | 2022-10-09 | Lead placing valve for lead melting pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222643987.1U CN218408643U (en) | 2022-10-09 | 2022-10-09 | Lead placing valve for lead melting pot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218408643U true CN218408643U (en) | 2023-01-31 |
Family
ID=84998991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222643987.1U Active CN218408643U (en) | 2022-10-09 | 2022-10-09 | Lead placing valve for lead melting pot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218408643U (en) |
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2022
- 2022-10-09 CN CN202222643987.1U patent/CN218408643U/en active Active
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