CN217818210U - Anti-backfire water seal device for intermediate frequency furnace - Google Patents
Anti-backfire water seal device for intermediate frequency furnace Download PDFInfo
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- CN217818210U CN217818210U CN202221943294.8U CN202221943294U CN217818210U CN 217818210 U CN217818210 U CN 217818210U CN 202221943294 U CN202221943294 U CN 202221943294U CN 217818210 U CN217818210 U CN 217818210U
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- box body
- cover plate
- movable baffle
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- baffle plate
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Abstract
The utility model discloses an anti-backfire water seal device for intermediate frequency furnace, which comprises a rectangular box body without a cover plate, wherein a baffle plate and a movable baffle plate unit are arranged in the box body, a sealing cover plate unit is arranged between the top end of the baffle plate and the top end of the box body, the bottom end of the baffle plate is not connected with the bottom plate of the box body, and the bottom end of the movable baffle plate unit is connected with the bottom plate of the box body; the air inlet pipe, the exhaust pipe and the backflow condensate pipe are also included, and the first end part of the air inlet pipe penetrates through the sealing cover plate unit; the first end part of the exhaust pipe penetrates through the sealing cover plate unit, the first end part of the exhaust pipe is positioned in the box body, and the second end part of the exhaust pipe is communicated with the backflow condensate pipe; the first end part of the backflow condensate pipe is positioned in the box body between the partition plate and the movable baffle plate unit, and the second end part of the backflow condensate pipe is used for discharging hydrogen. The device can prevent the negative pressure of intermediate frequency furnace and produce the tempering, places the potential safety hazard that the explosion appears.
Description
Technical Field
The utility model belongs to the technical field of anti-backfire equipment, concretely relates to anti-backfire water seal arrangement for intermediate frequency furnace.
Background
In the process of sintering tungsten-molybdenum products, the intermediate frequency furnace adopts hydrogen as reducing and protecting gas, the positive pressure in the furnace is 2-3KPa under normal conditions, and the hydrogen is discharged from the furnace through a seamless pipe with the diameter of 20-30mm and is ignited. In the using process, the gas is suddenly stopped, negative pressure is generated, tempering is generated, or the intermediate frequency furnace leaks, the tempering is generated, and the potential safety hazard of explosion is generated. In order to prevent the negative pressure from generating the potential safety hazards of backfire and explosion, a backfire-proof water sealing device needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anti-backfire water seal arrangement for intermediate frequency furnace can prevent that the negative pressure from appearing in the intermediate frequency furnace and producing the potential safety hazard of backfire and explosion from appearing.
The utility model adopts the technical proposal that the anti-backfire water seal device for the intermediate frequency furnace comprises a rectangular box body without a cover plate, a baffle plate and a movable baffle plate unit are arranged in the box body, a sealing cover plate unit is arranged between the top end of the baffle plate and the top end of the box body, the bottom end of the baffle plate is not connected with the bottom plate of the box body, and the bottom end of the movable baffle plate unit is connected with the bottom plate of the box body; the air inlet pipe, the exhaust pipe and the backflow condensate pipe are further included, and the first end part of the air inlet pipe penetrates through the sealing cover plate unit and is positioned in the box body; the first end part of the exhaust pipe penetrates through the sealing cover plate unit, the first end part of the exhaust pipe is positioned in the box body, and the second end part of the exhaust pipe is communicated with the backflow condensate pipe; the first end part of the backflow condensate pipe is positioned in the box body between the partition plate and the movable baffle plate unit, and the second end part of the backflow condensate pipe is used for discharging hydrogen.
The utility model is also characterized in that,
the movable baffle unit comprises a fixed baffle, a slide rail and a movable baffle, wherein the bottom end of the fixed baffle is welded on a bottom plate of the box body, the slide rail is respectively arranged on two opposite side walls of the box body, and the movable baffle is arranged between the two slide rails; the sliding rail is a U-shaped sliding rail, strip-shaped through holes are formed in two opposite side walls of the sliding rail, bolt holes are formed in a part of a plate body, located in the sliding rail, of the movable baffle, and the movable baffle is connected with the sliding rail through bolts matched with nuts;
and a sealing strip is arranged between the movable baffle and the fixed baffle.
The sealing cover plate unit comprises a cover plate, and the cover plate is positioned between the top end of the partition plate and the top end of the box body; the cover plate is provided with an explosion-proof opening, and an explosion-proof film is arranged on the explosion-proof opening; the first end part of the air inlet pipe penetrates through the cover plate; the first end of the exhaust pipe passes through the cover plate.
A water outlet is arranged on the side wall of the box body close to one side of the movable baffle plate unit.
The bottom of the box body is provided with a plurality of supporting legs.
The utility model has the advantages that:
the utility model discloses medium frequency furnace is with preventing water seal arrangement that flashback, hydrogen are lighted at backward flow condensate pipe upper end, and the backward flow condensate water that the sintering produced flows back in the backward flow condensate pipe and in time discharges through the backward flow condensate pipe, and the water level height is controlled by the height of adjustable fender unit in the box, and the water that produces during the sintering can spill over from adjustable fender automatically, can discharge water through the drain pipe after the water that spills over is too much; the device can ensure the stable pressure in the intermediate frequency furnace and prevent the tempering phenomenon of the intermediate frequency furnace.
Drawings
FIG. 1 is a schematic structural view of an anti-flashback water seal device for an intermediate frequency furnace according to the present invention;
FIG. 2 is a diagram of the usage state of the anti-backfire water seal device for the intermediate frequency furnace of the utility model.
In the drawing, 1, a box body, 2, a partition plate, 3, a movable baffle plate unit, 4, a sealing cover plate unit, 5, an air inlet pipe, 6, an air outlet pipe, 7, a return condensate pipe, 8, a water outlet, 9, supporting legs and 10, an intermediate frequency furnace are arranged;
3-1, a fixed baffle, 3-2, a slide rail and 3-3, a movable baffle;
4-1, a cover plate and 4-2, an explosion-proof opening;
A. water surface, B, ground, C, back flowing condensed water, D, exhausting and E, igniting tail gas.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model provides an anti-backfire water seal device for an intermediate frequency furnace, as shown in figure 1-2, comprising a rectangular box body 1 without a cover plate, water is arranged in the box body 1, a baffle plate 2 and a movable baffle plate unit 3 are arranged in the box body 1, a sealing cover plate unit 4 is arranged between the top end of the baffle plate 2 and the top end of the box body 1, the bottom end of the baffle plate 2 is not connected with the bottom plate of the box body 1 (with a gap), and the bottom end of the movable baffle plate unit 3 is connected with the bottom plate of the box body 1; the distance between the bottom end of the clapboard 2 and the bottom plate of the box body 1 is less than the height of the movable baffle plate unit 3; the device also comprises an air inlet pipe 5, an air outlet pipe 6 and a backflow condensate pipe 7, wherein the first end part of the air inlet pipe 5 penetrates through the sealing cover plate unit 4, the first end part of the air inlet pipe 5 is positioned 10-30mm below the water surface A in the box body 1, and the second end part of the air inlet pipe 5 is connected with one end part of a pipeline of the intermediate frequency furnace, which is used for exhausting hydrogen; the first end part of the exhaust pipe 6 penetrates through the sealing cover plate unit 4, the first end part of the exhaust pipe 6 is positioned above the water surface A in the box body (1), and the second end part of the exhaust pipe 6 is communicated with the backflow condensate pipe 7; the first end part of the backflow condensate pipe 7 is positioned in the box body 1 between the partition plate 2 and the movable baffle plate unit 3, and the first end part of the backflow condensate pipe 7 is positioned below the water surface A; and the second end part of the backflow condensate pipe 7 is used for discharging hydrogen, and the discharged hydrogen is used as tail gas to be ignited for E treatment.
The movable baffle plate unit 3 comprises a fixed baffle plate 3-1, the bottom end of the fixed baffle plate 3-1 is welded on the bottom plate of the box body 1, and also comprises slide rails 3-2 which are respectively arranged on two opposite side walls of the box body 1, and the movable baffle plate 3-3 is arranged between the two slide rails 3-2; the sliding rail 3-2 is a U-shaped sliding rail, strip-shaped through holes are formed in two opposite side walls of the sliding rail 3-2, bolt holes are formed in a part, located in the sliding rail 3-2, of a plate body of the movable baffle 3-3, the movable baffle 3-3 is connected with the sliding rail 3-2 through bolts and nuts in a matched mode (after the position of the movable baffle 3-3 is adjusted each time, the movable baffle 3-3 and the sliding rail 3-2 are fixedly connected together through bolts penetrating through the strip-shaped through holes of the sliding rail 3-2 and the bolt holes of the movable baffle 3-3);
a sealing strip is arranged between the movable baffle 3-3 and the fixed baffle 3-1.
The sealing cover plate unit 4 comprises a cover plate 4-1, and the cover plate 4-1 is positioned between the top end of the partition plate 2 and the top end of the box body 1; an explosion-proof opening 4-2 is formed in the cover plate 4-1, and an explosion-proof film is arranged on the explosion-proof opening 4-2; the first end part of the air inlet pipe 5 penetrates through the cover plate 4-1; the first end of the exhaust pipe 6 passes through the cover plate 4-1.
A water outlet 8 is arranged on the side wall of the box body 1 close to one side of the movable baffle plate unit 3.
The bottom of the box body 1 is provided with a plurality of supporting legs 9.
When the device is used, as shown in fig. 2, the device is placed on the ground B, hydrogen discharged by the intermediate frequency furnace 10 enters the box body 1 through the air inlet pipe 5, water is added into part of the box body 1 on the right side of the movable baffle plate unit 3 to serve as a liquid seal, a cover plate 4-1 arranged on the top of the right side of the partition plate 2 is closed, the left side of the partition plate is open, the distance between the partition plate 2 and a bottom plate of the box body 1 is 1 cm, the left side and the right side of the partition plate are communicated, and the movable baffle plate unit 3 can be used for controlling the height of a water level; hydrogen generated by the intermediate frequency furnace 10 enters the box body 1 through the air inlet pipe 5, the end part of the air inlet pipe 5 is inserted into the water by 10-30mm, the hydrogen is discharged from the water and then sequentially enters the air outlet pipe 6 (used for exhausting D) and the backflow condensate pipe 7 to be discharged out of the box body 1, the hydrogen is ignited at the upper end of the backflow condensate pipe 7, and the lower end of the backflow condensate pipe 7 is positioned in the box body 1 between the partition plate 2 and the movable baffle unit 3 and is inserted into the water by 10mm from the bottom. The backflow condensate water C generated by sintering flows back into the backflow condensate water pipe 7 and is discharged in time through the backflow condensate water pipe 7, the height of the water level is controlled by the height of the movable baffle plate unit 3 in the box body, and the water generated during sintering can automatically overflow from the movable baffle plates 3-3, so that the pressure in the furnace is ensured to be stable, and the tempering phenomenon can be prevented.
Claims (6)
1. The anti-backfire water seal device for the intermediate frequency furnace is characterized by comprising a rectangular box body (1) without a cover plate, wherein a partition plate (2) and a movable baffle plate unit (3) are arranged in the box body (1), a seal cover plate unit (4) is arranged between the top end of the partition plate (2) and the top end of the box body (1), the bottom end of the partition plate (2) is not connected with a bottom plate of the box body (1), and the bottom end of the movable baffle plate unit (3) is connected with the bottom plate of the box body (1); the air-conditioning box also comprises an air inlet pipe (5), an air outlet pipe (6) and a backflow condensate pipe (7), wherein the first end part of the air inlet pipe (5) penetrates through the sealing cover plate unit (4) and is positioned in the box body (1); the first end part of the exhaust pipe (6) penetrates through the sealing cover plate unit (4), the first end part of the exhaust pipe (6) is positioned in the box body (1), and the second end part of the exhaust pipe (6) is communicated with the backflow condensate pipe (7); the first end part of the backflow condensate pipe (7) is positioned in the box body (1) between the partition plate (2) and the movable baffle plate unit (3), and the second end part of the backflow condensate pipe (7) is used for discharging hydrogen.
2. The anti-backfire water seal device for the intermediate frequency furnace according to claim 1, wherein the movable baffle plate unit (3) comprises a fixed baffle plate (3-1), the bottom end of the fixed baffle plate (3-1) is welded on the bottom plate of the box body (1), and further comprises slide rails (3-2) respectively installed on two opposite side walls of the box body (1), and the movable baffle plate (3-3) is installed between the two slide rails (3-2); the sliding rail (3-2) is a U-shaped sliding rail, strip-shaped through holes are formed in two opposite side walls of the sliding rail (3-2), bolt holes are formed in a part, located in the sliding rail (3-2), of the movable baffle plate (3-3), and the movable baffle plate (3-3) is connected with the sliding rail (3-2) through bolts, matched with nuts and the like.
3. The anti-backfire water seal device for the intermediate frequency furnace as claimed in claim 2, wherein a sealing strip is arranged between the movable baffle (3-3) and the fixed baffle (3-1).
4. The flashback-proof water seal device for intermediate frequency furnaces as claimed in claim 1, wherein the sealing cover plate unit (4) comprises a cover plate (4-1), and the cover plate (4-1) is located between the top end of the partition plate (2) and the top end of the box body (1); an explosion-proof opening (4-2) is formed in the cover plate (4-1), and an explosion-proof film is arranged on the explosion-proof opening (4-2); the first end part of the air inlet pipe (5) penetrates through the cover plate (4-1); the first end of the exhaust pipe (6) penetrates through the cover plate (4-1).
5. The anti-backfire water seal device for the intermediate frequency furnace as claimed in claim 1, wherein a water outlet (8) is provided on the side wall of the box body (1) near one side of the movable baffle unit (3).
6. The anti-backfire water seal device for the intermediate frequency furnace as claimed in claim 1, wherein the bottom of the box body (1) is provided with a plurality of supporting legs (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221943294.8U CN217818210U (en) | 2022-07-25 | 2022-07-25 | Anti-backfire water seal device for intermediate frequency furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221943294.8U CN217818210U (en) | 2022-07-25 | 2022-07-25 | Anti-backfire water seal device for intermediate frequency furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217818210U true CN217818210U (en) | 2022-11-15 |
Family
ID=83968089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221943294.8U Active CN217818210U (en) | 2022-07-25 | 2022-07-25 | Anti-backfire water seal device for intermediate frequency furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217818210U (en) |
-
2022
- 2022-07-25 CN CN202221943294.8U patent/CN217818210U/en active Active
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