CN215517569U - Air inlet pipeline assembly arranged on heat treatment furnace door cover - Google Patents
Air inlet pipeline assembly arranged on heat treatment furnace door cover Download PDFInfo
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- CN215517569U CN215517569U CN202120521504.3U CN202120521504U CN215517569U CN 215517569 U CN215517569 U CN 215517569U CN 202120521504 U CN202120521504 U CN 202120521504U CN 215517569 U CN215517569 U CN 215517569U
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- inlet pipeline
- treatment furnace
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Abstract
The utility model relates to the technical field of heat treatment equipment, in particular to an air inlet pipeline assembly arranged on a heat treatment furnace door cover, which comprises a first air inlet pipeline and a second air inlet pipeline which are arranged separately, wherein the first air inlet pipeline and the second air inlet pipeline are respectively and vertically connected to the outside of the heat treatment furnace door cover and communicated with the inside of a heat treatment furnace, a cantilever end of the first air inlet pipeline is connected with a first air inlet hose, a liquid sight glass is arranged between the first air inlet hose and the cantilever end of the first air inlet pipeline, and the cantilever end part of the second air inlet pipeline is respectively connected with three second air inlet hoses according to the upper, middle and lower positions. The utility model realizes the stable supply of the heat treatment fluid medium and is convenient for monitoring the terminal supply condition of the heat treatment fluid medium.
Description
Technical Field
The utility model relates to the technical field of heat treatment equipment, in particular to an air inlet pipeline assembly arranged on a heat treatment furnace door cover.
Background
In the gear manufacturing process, heat treatment of the gear is involved. The gear heat treatment comprises the technical processes of tempering, quenching, carburizing and the like.
The gears often require a variety of fluid media for heat treatment, such as methanol, propane, reference gas (air), nitrogen, etc. for carburization. These gases are introduced into the heat treatment furnace through pipes, and the amount of each gas introduced is controlled by a control system.
The well type heat treatment furnace originally installed and used in the production site of the company has the pipeline components installed on the well cover, but some problems are found in the use process, and the following are specific:
first, the piping assembly is generally composed of a main pipe and a branch pipe disposed in the main pipe, and since the branch pipe is disposed in the main pipe, the diameter thereof is limited, thereby restricting the maximum flow rate of the branch pipe and the stable supply of the fluid medium; in addition, the maintenance of the pipeline assembly is not facilitated by adopting the structure that the small pipe is sleeved in the main pipe.
Secondly, the pipeline assembly is not provided with an observation device for the fluid medium, so that if an abnormal condition occurs before the fluid medium supply source reaches the terminal, the abnormal condition cannot be found in time, and the heat treatment failure caused by the supply failure of some fluid media is easily caused.
Thirdly, in order to ensure the normal supply of the fluid medium, the piping for supplying the fluid medium is usually required to be inspected and maintained on site, but the remote monitoring of whether the terminal supply of the fluid medium for heat treatment is normal is lacked.
Therefore, there is a need for an improvement of the existing inlet pipe assembly of the heat treatment furnace to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides an air inlet pipeline assembly disposed on a door cover of a thermal treatment furnace, which aims to realize stable supply of a thermal treatment fluid medium and facilitate monitoring of a terminal supply condition of the thermal treatment fluid medium. The specific technical scheme is as follows:
the air inlet pipeline assembly comprises a first air inlet pipeline and a second air inlet pipeline which are arranged separately, the first air inlet pipeline and the second air inlet pipeline are respectively vertically connected to the outside of a heat treatment furnace door cover and communicated with the inside of the heat treatment furnace, a cantilever end of the first air inlet pipeline is connected with a first air inlet hose, a liquid sight glass is arranged between the first air inlet hose and the cantilever end of the first air inlet pipeline, and the cantilever end of the second air inlet pipeline is respectively connected with three second air inlet hoses according to the upper, middle and lower positions.
The first air inlet hose is used for conveying methanol liquid, and the liquid sight glass is used for observing whether the conveying condition of the methanol liquid is normal or not.
Wherein, three second air inlet hoses are respectively used for alternately controlling the delivery of nitrogen, propane gas and air in the heat treatment process.
In order to observe whether the airflow conditions of the three second air inlet hoses are normal or not conveniently, the further improvement scheme is as follows: and gas flow-viewing mirrors are respectively arranged on the second air inlet pipeline between the three second air inlet hoses and the second air inlet pipeline.
In the utility model, the gas flow sight glass comprises an observation box body, a glass window arranged on the observation box body and a ribbon arranged in the observation box body.
In order to realize remote observation, the further improvement scheme is: the gas flow-observing mirror is characterized in that a first image acquisition device is arranged on the first air inlet pipeline, a second image acquisition device is arranged on the second air inlet pipeline, the first image acquisition device is aligned with the gas flow-observing mirror on the second air inlet pipeline, and the second image acquisition device is aligned with the liquid flow-observing mirror on the first air inlet pipeline.
The first image acquisition device and the second image acquisition device are connected to a computer monitoring terminal in a remote observation room.
In a preferred embodiment of the present invention, a first flow sensor is disposed on the first intake duct, a second flow sensor is disposed on the second intake duct, and the first flow sensor and the second flow sensor are respectively connected to a control system of the heat treatment furnace.
According to the utility model, the heat treatment furnace is a pit-type heat treatment furnace, the horizontal door cover is connected to the rotating arm, and the rotating arm is connected to the lifting seat.
In the utility model, the first air inlet hose and the second air inlet hose are respectively connected to the air distribution cabinet.
The utility model has the beneficial effects that:
first, according to the air inlet pipeline assembly arranged on the heat treatment furnace door cover, the first air inlet pipeline and the second air inlet pipeline are independently arranged, so that the defects that fluid medium supply is unstable and the pipeline assembly is troublesome to maintain due to the fact that a small pipe is sleeved in a main pipe in the prior art are overcome.
Secondly, according to the air inlet pipeline assembly arranged on the heat treatment furnace door cover, the first air inlet pipeline and the second air inlet pipeline are respectively provided with the liquid sight glass and the gas sight glass, so that the terminal air supply condition of heat treatment gas can be conveniently observed, and the heat treatment failure accident caused by the heat treatment gas supply failure can be effectively prevented.
Thirdly, according to the air inlet pipeline assembly arranged on the heat treatment furnace door cover, the first air inlet pipeline and the second air inlet pipeline are respectively provided with the image acquisition devices, so that the remote monitoring of the air supply condition of the heat treatment gas terminal can be realized.
Fourthly, according to the air inlet pipeline assembly arranged on the heat treatment furnace door cover, the first air inlet pipeline and the second air inlet pipeline are provided with the flow sensors, so that the accurate control of a heat treatment control system on the gas supply quantity of a heat treatment gas terminal is facilitated.
Drawings
FIG. 1 is a schematic view of an air inlet pipe assembly of the present invention installed on a door cover of a heat treatment furnace;
fig. 2 is a schematic structural view of the gas flow mirror in fig. 1.
In the figure: 1. the device comprises a first air inlet pipeline, a second air inlet pipeline, a door cover, a first air inlet hose, a first liquid flow sight glass, a second air inlet hose, a gas flow sight glass, a first observing box body, a glass window, a glass ribbon, a first image acquisition device, a second image acquisition device, a first flow sensor, a second flow sensor, a rotating arm, a lifting seat, a heat treatment furnace and a second flow sensor, wherein the first air inlet pipeline, the second air inlet pipeline, the door cover, the first air inlet hose, the liquid flow sight glass, the second air inlet hose, the gas flow sight glass, the glass window, the glass ribbon, the first image acquisition device, the second image acquisition device, the glass, the second image acquisition device, the lifting seat, the heat treatment furnace and the second flow sensor.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 2 show an embodiment of an air intake pipeline assembly disposed on a door cover of a heat treatment furnace according to the present invention, which includes a first air intake pipeline 1 and a second air intake pipeline 2 separately disposed, where the first air intake pipeline 1 and the second air intake pipeline 2 are respectively vertically connected to the outside of a door cover 3 of a heat treatment furnace 17 and communicated with the inside of the heat treatment furnace 17, a first air intake hose 4 is connected to a cantilever end of the first air intake pipeline 1, a liquid sight glass 5 is disposed between the first air intake hose 4 and the cantilever end of the first air intake pipeline 1, and three second air intake hoses 6 are respectively connected to a cantilever end of the second air intake pipeline 2 at upper, middle and lower positions.
Wherein, the first air inlet hose 4 is used for conveying the methanol liquid, and the liquid sight glass 5 is used for observing whether the conveying condition of the methanol liquid is normal.
Wherein three second air inlet hoses 6 are used for alternately controlling the delivery of nitrogen, propane and air during the heat treatment, respectively.
In order to observe whether the airflow conditions of the three second air inlet hoses 6 are normal or not, the further improvement scheme is as follows: and gas sight glass 7 is respectively arranged at positions between the three second air inlet hoses 6 and the second air inlet pipeline 2 on the second air inlet pipeline 2.
In the utility model, the gas flow sight glass 7 comprises an observation box body 8, a glass window 9 arranged on the observation box body 8 and a ribbon 10 arranged inside the observation box body 8.
In order to realize remote observation, the further improvement scheme is: the first air inlet pipeline 1 is provided with a first image acquisition device 11, the second air inlet pipeline 2 is provided with a second image acquisition device 12, the first image acquisition device 11 is aligned with the gas flow-viewing mirror 7 on the second air inlet pipeline 2, and the second image acquisition device 12 is aligned with the liquid flow-viewing mirror 5 on the first air inlet pipeline 1.
The first image acquisition device 11 and the second image acquisition device 12 are connected to a computer monitoring terminal in a remote observation room.
In a preferred embodiment of the present invention, the first air intake pipe 1 is provided with a first flow sensor 13, the second air intake pipe 2 is provided with a second flow sensor 14, and the first flow sensor 13 and the second flow sensor 14 are connected to a control system of the heat treatment furnace 17.
In the utility model, the heat treatment furnace 17 is a pit-type heat treatment furnace, the horizontal door cover 3 is connected to the rotating arm 15, and the rotating arm 15 is connected to the lifting seat 16.
In the utility model, the first air inlet hose 4 and the second air inlet hose 6 are respectively connected to the air distribution cabinet.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The air inlet pipeline assembly is characterized by comprising a first air inlet pipeline and a second air inlet pipeline which are arranged separately, wherein the first air inlet pipeline and the second air inlet pipeline are respectively vertically connected to the outside of a heat treatment furnace door cover and communicated with the inside of the heat treatment furnace, a cantilever end of the first air inlet pipeline is connected with a first air inlet hose, a liquid sight glass is arranged between the first air inlet hose and the cantilever end of the first air inlet pipeline, and the cantilever end of the second air inlet pipeline is respectively connected with three second air inlet hoses according to the upper, middle and lower positions.
2. The air inlet pipeline assembly arranged on the door cover of the heat treatment furnace as claimed in claim 1, wherein the second air inlet pipeline is provided with a gas flow sight glass at positions between the three second air inlet hoses and the second air inlet pipeline respectively.
3. The air intake pipe assembly arranged on the door cover of the heat treatment furnace according to claim 2, wherein the gas sight glass comprises an observation box body, a glass window arranged on the observation box body and a ribbon arranged inside the observation box body.
4. The air intake pipeline assembly arranged on the door cover of the heat treatment furnace according to claim 2, wherein a first image acquisition device is arranged on the first air intake pipeline, a second image acquisition device is arranged on the second air intake pipeline, the first image acquisition device is aligned with the gas flow sight glass on the second air intake pipeline, and the second image acquisition device is aligned with the liquid flow sight glass on the first air intake pipeline.
5. The air inlet pipeline assembly arranged on the door cover of the heat treatment furnace according to claim 4, wherein the first image acquisition device and the second image acquisition device are connected to a computer monitoring terminal in a remote observation room.
6. The air inlet pipeline assembly arranged on the door cover of the heat treatment furnace as claimed in claim 1, wherein a first flow sensor is arranged on the first air inlet pipeline, a second flow sensor is arranged on the second air inlet pipeline, and the first flow sensor and the second flow sensor are respectively connected with a control system of the heat treatment furnace.
7. The air inlet pipeline assembly arranged on the door cover of the heat treatment furnace according to claim 1, wherein the heat treatment furnace is a pit type heat treatment furnace, the horizontal door cover of the pit type heat treatment furnace is connected to a rotating arm, and the rotating arm is connected to a lifting seat.
8. The air inlet pipeline assembly arranged on the door cover of the heat treatment furnace according to claim 1, wherein the first air inlet hose and the second air inlet hose are respectively connected to a gas distribution cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120521504.3U CN215517569U (en) | 2021-03-12 | 2021-03-12 | Air inlet pipeline assembly arranged on heat treatment furnace door cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120521504.3U CN215517569U (en) | 2021-03-12 | 2021-03-12 | Air inlet pipeline assembly arranged on heat treatment furnace door cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215517569U true CN215517569U (en) | 2022-01-14 |
Family
ID=79800248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120521504.3U Active CN215517569U (en) | 2021-03-12 | 2021-03-12 | Air inlet pipeline assembly arranged on heat treatment furnace door cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215517569U (en) |
-
2021
- 2021-03-12 CN CN202120521504.3U patent/CN215517569U/en active Active
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