CN218146806U - Oil smoke guiding and exhausting device of tempering furnace - Google Patents
Oil smoke guiding and exhausting device of tempering furnace Download PDFInfo
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- CN218146806U CN218146806U CN202222280009.5U CN202222280009U CN218146806U CN 218146806 U CN218146806 U CN 218146806U CN 202222280009 U CN202222280009 U CN 202222280009U CN 218146806 U CN218146806 U CN 218146806U
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Abstract
The oil smoke guiding and exhausting device of the tempering furnace comprises an air blower, an air guide pipe, a drainage structure, a smoke hood and a drainage pipe, wherein one end of the air guide pipe is connected with the air blower, the other end of the air guide pipe penetrates into the drainage structure, the drainage structure is connected with the tempering furnace, the smoke hood is installed above the drainage structure, one end of the drainage pipe is connected with a hood opening, and the other end of the drainage pipe is connected with a smoke collecting pipe. The utility model provides an uneven, the high problem of oil smoke exhaust pipe maintenance cost of temperature distribution in the tempering furnace, realize the effective discharge of oil smoke, guarantee that the temperature distribution in the tempering furnace is even, reduced the maintenance cost of oil smoke exhaust pipe.
Description
Technical Field
The utility model relates to an oil smoke collection processing technology field, especially a tempering furnace oil smoke drainage device.
Background
The tempering process is an essential process for improving the stability of the structure and eliminating the quenching stress in the heat treatment, the tempering is to keep a certain temperature environment for a certain time, generally above 150 ℃, at the temperature, oil stains remained on the workpiece can volatilize and atomize to form oil smoke, particularly parts pressed by powder metallurgy contain a large amount of pores in the parts, lubricating oil, antirust oil, quenching oil and the like are stored in the parts, and a large amount of oil smoke can be generated after the parts are heated.
The box-type tempering furnace is in a relatively closed space in the tempering process, and if oil smoke is discharged in time, the oil smoke is easy to attach and accumulate in a hearth, so that the service life of equipment is influenced, the maintenance cost is increased, and potential safety hazards exist. And in the tempering process, oil stains are easy to drip on the surfaces of the parts, and influence is caused on the quality of the parts. If the oil smoke in the box is sucked through the suction fan, because the tempering furnace is not completely sealed, air leakage is easily caused and the oil smoke enters the furnace, the temperature distribution in the furnace is uneven, oil dirt is easily attached to the air suction blades, the oil dirt is difficult to clean, the performance of sucking the oil smoke is reduced, and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide a tempering furnace oil smoke guiding and exhausting device which reduces the maintenance cost of oil smoke treatment equipment.
The utility model provides a technical scheme that its technical problem adopted is: the oil smoke guiding and exhausting device of the tempering furnace comprises an air blower, an air guide pipe, a drainage structure, a smoke hood and a drainage pipe, wherein one end of the air guide pipe is connected with the other end of the air blower, the other end of the air guide pipe is connected into the drainage structure, the drainage structure is connected with the tempering furnace, the smoke hood is installed above the drainage structure, one end of the drainage pipe is connected with a hood opening, and the other end of the drainage pipe is connected with a smoke collecting pipe.
As a further improvement of the utility model: the air blower is positioned below the tempering furnace.
As a further improvement of the utility model: the drainage structure is provided with a cylindrical oil collecting cavity, the air guide pipe penetrates into the oil collecting cavity, the oil collecting cavity is communicated with a first smoke exhaust pipe, the first smoke exhaust pipe is communicated with the tempering furnace, and an air valve is arranged between the first smoke exhaust pipe and the tempering furnace.
As a further improvement of the utility model: the oil collecting cavity is provided with a first oil discharging opening at the bottom and a second oil discharging pipe is arranged on the oil collecting cavity.
As a further improvement of the utility model: the second smoke exhaust pipe is arranged above the air guide pipe, and the diameter of the second smoke exhaust pipe is larger than that of the air guide pipe.
As a further improvement of the utility model: the pipe diameter of the upper end of the second smoke exhaust pipe is in a barb shape, and the cover opening covers the discharge opening of the second smoke exhaust pipe.
As a further improvement of the utility model: the outside of the cover opening of the smoke hood is provided with a radiating fin, an oil collecting groove is arranged below the cover opening, and the oil collecting groove is provided with a second oil discharge opening.
As a further improvement of the utility model: one end of the drainage tube is connected with the cover opening, and the other end of the drainage tube is provided with a flange connected smoke collection tube.
Compared with the prior art, the beneficial effects of the utility model are that:
1) The air blower blows air into the air guide pipe, the air guide pipe gushes out at a high speed in the oil collection cavity and directly enters the second smoke exhaust pipe, the air pressure intensity of the high-speed airflow is small through the Bernoulli effect, the air pressure intensity of the oil collection cavity is smaller than the air pressure intensity in the tempering furnace, the oil smoke generated in the tempering furnace is guided to the oil collection cavity, the air flow gushing out from the air guide pipe brings the oil smoke into the second smoke exhaust pipe and then is exhausted into the cover opening, and the air flow and the oil smoke enter the smoke collection pipe to be purified;
2) The oil smoke is discharged into the collecting pipe through the air pressure intensity difference, so that the oil smoke is prevented from directly contacting with the air exhaust blades, and the maintenance cost is reduced;
3) After entering the oil collecting cavity and contacting with the air flow, part of high-temperature oil smoke is condensed into liquid state to be attached to the pipe wall, then flows back to the bottom of the oil collecting cavity, and is discharged and recovered through the first oil outlet;
4) The oil smoke and the air flow are mixed and then discharged out of the second smoke exhaust pipe, and the upper port of the second smoke exhaust pipe is in a barb shape, so that the oil smoke is prevented from condensing on the port and flowing out of the pipe to cause pollution outside the pipe;
5) The cooling fins are arranged outside the cover opening to further condense the oil smoke, so that the condensed liquid oil flows back to the oil collecting tank along the inner wall of the cover opening and is discharged and recovered through the second oil discharge opening; and part of oil smoke is condensed and recycled, so that the maintenance cost of the oil smoke treatment equipment is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a part of the structure of the present invention.
In the figure: 1. the device comprises a blower 2, an air guide pipe 3, a drainage structure 31, an oil collecting cavity 32, a first smoke exhaust pipe 33, a second smoke exhaust pipe 34, a first oil exhaust port 4, an air valve 5, a smoke hood 51, a hood opening 52, a cooling fin 53, an oil collecting tank 54, a second oil exhaust port 6, a drainage pipe 7, a smoke collecting pipe 8 and a tempering furnace.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "upper end surface", "lower end surface", "top", "bottom", "left", "right", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only for convenience of description of the present invention, and therefore, cannot be understood as a limitation to the practical use direction of the present invention.
The invention will now be further described with reference to the accompanying drawings, in which: the oil smoke guiding and exhausting device of the tempering furnace shown in fig. 1-2 comprises an air blower 1, an air guide pipe 2, a drainage structure 3, a smoke hood 5 and a drainage pipe 6, wherein one end of the air guide pipe 2 is connected with the other end of the air blower 1 and is connected into the drainage structure 3, the drainage structure 3 is connected with a tempering furnace 8, the smoke hood 5 is installed above the drainage structure 3, and one end of the drainage pipe 6 is connected with a hood opening 51 and the other end is connected with a smoke collecting pipe 7.
As an embodiment of the present invention, the air blower 1 is disposed below the tempering furnace 8.
As an embodiment of the present invention, the drainage structure 3 is provided with a cylindrical oil collecting cavity 31, the air duct 2 penetrates into the oil collecting cavity 31, the oil collecting cavity 31 is communicated with a first smoke exhaust pipe 32, the first smoke exhaust pipe 32 is communicated with a tempering furnace 8, and an air valve 4 is arranged in the middle of the first smoke exhaust pipe 32; a first oil discharge port 34 is formed in the bottom of the oil collecting cavity 31, a second smoke discharge pipe 33 is installed on the oil collecting cavity 31, the second smoke discharge pipe 33 is arranged above the air guide pipe 2, and the diameter of the second smoke discharge pipe 33 is larger than that of the air guide pipe 2; the pipe diameter above the second smoke exhaust pipe 33 is in a barb shape, and the cover opening 51 covers the discharge opening of the second smoke exhaust pipe 33.
The implementation case is as follows:
the oil smoke guiding and exhausting device of the tempering furnace shown in fig. 1-2 comprises a blower 1, an air guide pipe 2, a drainage structure 3, a smoke hood 5 and a drainage pipe 6, wherein the blower 1 is arranged below the tempering furnace 8, one end of the air guide pipe 2 is connected with the blower 1, the other end of the air guide pipe is connected into the drainage structure 3, the drainage structure 3 is connected with the tempering furnace 8, the drainage structure 3 is provided with a cylindrical oil collecting cavity 31, the air guide pipe 2 penetrates into the oil collecting cavity 31, the oil collecting cavity 31 is communicated with a first smoke exhaust pipe 32, the bottom of the oil collecting cavity 31 is provided with a first oil exhaust port 34, a second smoke exhaust pipe 33 is arranged on the oil collecting cavity 31, and the second smoke exhaust pipe 33 is arranged right above the air guide pipe 2; the first smoke exhaust pipe 32 is communicated with the tempering furnace 8, an air valve 4 is arranged in the middle of the first smoke exhaust pipe 32, the diameter of the second smoke exhaust pipe 33 is larger than that of the air guide pipe 2, and the pipe diameter above the second smoke exhaust pipe 33 is in a barb shape; the smoke hood 5 is arranged above the drainage structure 3, one end of the drainage tube 6 is connected with the hood opening 51, the other end of the drainage tube is connected with the smoke collecting tube 7, and the hood opening 51 covers the discharge port of the second smoke discharge tube 33.
The air valve 4 is in a normally open state, the valve opening degree is set according to the tempering state of the tempering furnace 8, the relatively small valve opening degree is set for high-temperature tempering, the loss of temperature is reduced, and the relatively large valve opening degree is required to be set for a product made by tempering powder metallurgy, so that oil smoke can be rapidly discharged out of the tempering furnace 8. When the product enters the tempering furnace 8 for tempering, the blower 1 starts to be started until five minutes after the tempering is finished, and the work can be stopped.
The air is blown into the air guide pipe 2 by the air blower 1, the air guide pipe 2 gushes out from the oil collection cavity 31 at a high speed and directly enters the second smoke exhaust pipe 33, the air pressure of the high-speed airflow is small through the Bernoulli effect, so that the air pressure of the oil collection cavity 31 is smaller than the air pressure of the tempering furnace 8, the oil smoke generated in the tempering furnace 8 is guided into the oil collection cavity 31, the oil smoke is brought into the second smoke exhaust pipe 33 by the airflow gushed out from the air guide pipe 2 and then discharged into the hood opening 51, and the airflow and the oil smoke enter the smoke collection pipe 7 to be purified.
The utility model discloses a main function:
1) The direct contact of oil smoke with the air exhaust blades is avoided, and the maintenance cost is reduced;
2) After entering the oil collecting cavity and contacting with the air flow, part of high-temperature oil fume is condensed into liquid state and attached to the pipe wall, and then flows back to the bottom of the oil collecting cavity and is discharged and recovered through the first oil discharge port. The oil smoke and the air flow are mixed and then discharged out of the second smoke exhaust pipe, and the upper port of the second smoke exhaust pipe is in a barb shape, so that the oil smoke is prevented from condensing on the port and flowing out of the pipe to cause pollution outside the pipe;
3) The outside of the cover opening is provided with a radiating fin, an oil collecting tank is arranged below the cover opening, and the oil collecting tank is provided with a second oil discharge opening; one end of the drainage tube is connected with the cover opening, and the other end of the drainage tube is provided with a flange connected with the smoke collecting tube.
4) Suction force is generated in the smoke collecting pipe through the oil smoke treatment equipment, so that pressure difference is formed in the drainage pipe, and the oil smoke is discharged out of the smoke collecting pipe more effectively;
5) The external radiating fins of the cover opening further condense the oil smoke, so that the condensed liquid oil flows back to the oil collecting tank along the inner wall of the cover opening and is discharged and recovered through the second oil discharge opening; and part of oil smoke is condensed and recycled, so that the maintenance cost of the oil smoke treatment equipment is reduced.
In conclusion, after the ordinary skilled in the art reads the document of the present invention, the technical solution and technical idea of the present invention need not creative mental labor and makes other various corresponding conversion schemes, which all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a tempering furnace oil smoke guiding and exhausting device which characterized in that: the smoke-collecting device comprises an air blower (1), an air guide pipe (2), a drainage structure (3), a smoke hood (5) and a drainage pipe (6), wherein one end of the air guide pipe (2) is connected with the other end of the air blower (1) and is connected into the drainage structure (3), the drainage structure (3) is connected with a tempering furnace (8), the smoke hood (5) is installed above the drainage structure (3), and one end of the drainage pipe (6) is connected with a hood opening (51) and the other end of the drainage pipe is connected with a smoke-collecting pipe (7).
2. The tempering furnace oil smoke guiding and exhausting device of claim 1, wherein: the drainage structure (3) is provided with a cylindrical oil collecting cavity (31), the air guide pipe (2) penetrates into the oil collecting cavity (31), the oil collecting cavity (31) is communicated with a first smoke exhaust pipe (32), the first smoke exhaust pipe (32) is communicated with the tempering furnace (8), and an air valve (4) is arranged between the first smoke exhaust pipe (32) and the tempering furnace (8).
3. The tempering furnace oil smoke guiding and exhausting device of claim 2, wherein: the bottom of the oil collecting cavity (31) is provided with a first oil discharging port (34), and a second smoke discharging pipe (33) is installed on the oil collecting cavity (31).
4. The tempering furnace oil smoke guiding and exhausting device of claim 3, wherein: the second smoke exhaust pipe (33) is arranged above the air guide pipe (2), and the diameter of the second smoke exhaust pipe (33) is larger than that of the air guide pipe (2).
5. The tempering furnace oil smoke guiding and exhausting device of claim 3, wherein: the pipe diameter of the upper end of the second smoke exhaust pipe (33) is in a barb shape, and the cover opening (51) covers the discharge opening of the second smoke exhaust pipe (33).
6. The tempering furnace oil smoke guiding and exhausting device of claim 1, wherein: the outside of cover mouth (51) of petticoat pipe (5) is equipped with fin (52), cover mouth (51) below is equipped with oil catch bowl (53), oil catch bowl (53) are equipped with second oil drain port (54).
7. The tempering furnace oil smoke guiding and exhausting device of claim 1, wherein: one end of the drainage tube (6) is connected with the cover opening (51), and the other end of the drainage tube is provided with a flange connected smoke collecting tube (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222280009.5U CN218146806U (en) | 2022-08-30 | 2022-08-30 | Oil smoke guiding and exhausting device of tempering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222280009.5U CN218146806U (en) | 2022-08-30 | 2022-08-30 | Oil smoke guiding and exhausting device of tempering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218146806U true CN218146806U (en) | 2022-12-27 |
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ID=84557357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222280009.5U Active CN218146806U (en) | 2022-08-30 | 2022-08-30 | Oil smoke guiding and exhausting device of tempering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218146806U (en) |
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2022
- 2022-08-30 CN CN202222280009.5U patent/CN218146806U/en active Active
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