CN214620580U - Well formula nitriding furnace pressure alarm device based on no paper record appearance - Google Patents
Well formula nitriding furnace pressure alarm device based on no paper record appearance Download PDFInfo
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- CN214620580U CN214620580U CN202120845610.7U CN202120845610U CN214620580U CN 214620580 U CN214620580 U CN 214620580U CN 202120845610 U CN202120845610 U CN 202120845610U CN 214620580 U CN214620580 U CN 214620580U
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Abstract
The utility model discloses a well formula nitriding furnace pressure alarm device based on no paper record appearance, including well formula nitriding furnace, alarm and no paper record appearance, install the manometer of signal output on well formula nitriding furnace, the signal output part of manometer links to each other with the input of no paper record appearance, and the output and the alarm of no paper record appearance are connected. The utility model discloses a manometer with output signal for show the furnace pressure, feed back the signal to the paperless record appearance, set for the purpose that the bound was reported to the police in order to obtain accurate control through the paperless record appearance, report to the police in order to obtain accurate control's purpose through the alarm.
Description
Technical Field
The utility model relates to an alarm device, in particular to well formula nitriding furnace pressure alarm device based on no paper record appearance.
Background
The furnace pressure is displayed through a U-shaped tube furnace pressure meter in a common pit type nitriding furnace, a furnace alarm device is not arranged, and the pressure in the furnace can deviate due to the temperature change, the pressure change in a tank and the sealing quality of the furnace in the working process, so that the final product quality is influenced. If the furnace pressure is too high for a long time, if the ammonia flow is too large, the nitrogen potential in the furnace is too high, the nitride of a workpiece is easy to exceed the standard, and ammonia is wasted; if the automatic furnace pressure gauge has the problem of unsmooth exhaust, even the danger of explosion can be caused. If the furnace pressure is too low for a long time, the nitrogen potential in the furnace is too low, and the surface hardness of the workpiece is easy to be low. The furnace pressure is too low or negative pressure causes air to enter the furnace, which can cause the oxidation of workpieces in the furnace and even explosion.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a reasonable in design, convenient control stove pressure, the well formula nitriding furnace stove pressure alarm device based on no paper record appearance of reasonable control stove internal temperature.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a pit-type nitriding furnace pressure alarm device based on no paper record appearance, its characteristics are, including pit-type nitriding furnace, alarm and no paper record appearance, install the manometer of signal output on pit-type nitriding furnace, the signal output part of manometer links to each other with the input of no paper record appearance, and the output of no paper record appearance is connected with the alarm.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, pit-type nitriding furnace includes furnace body and bell, is equipped with the reservation mouth of pipe that is used for installing the manometer on the bell.
The utility model discloses the technical problem that will solve can also realize through following technical scheme reserve mouth of pipe department and install the tee bend, three-way one end meets with the manometer, and discharge valve is installed to the three-way other end.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, and the device still includes control center, and discharge valve passes through the relay to be connected with control center, and no paper record appearance also is connected with control center.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme install cooling device on the furnace body lateral wall, cooling device includes cooling tube and coolant tank, and cooling tube passes through the heat insulating board and the clamp is fixed on the furnace body lateral wall, and the end of intaking of cooling tube passes through flow control valve and coolant tank pipe connection, and the play water end of cooling tube passes through water pump and coolant tank pipe connection, and flow control valve, water pump respectively with control center signal connection.
The technical problem to be solved by the utility model can also be realized by the following technical scheme, the cooling pipeline is spirally wound, and the thread pitch on the cooling pipeline is 10-30 mm.
The utility model discloses the technical problem that will solve can also realize through following technical scheme, the manometer adopts the teletransmission manometer.
Compared with the prior art, the utility model discloses a manometer with output signal for show the stove pressure, feed back the signal to the paperless record appearance, set for the purpose that the bound was reported to the police in order to obtain accurate control through the paperless record appearance, report to the police in order to obtain accurate control's purpose through the alarm.
Drawings
FIG. 1 is a structural diagram of a furnace pressure alarm device of a pit-type nitriding furnace.
In the figure: 1-a well type nitriding furnace, 2-a pressure gauge with signal output, 3-a paperless recorder, 4-an alarm, 5-a control center, 6-an exhaust valve, 7-a relay, 8-a cooling pipeline and 9-a heat insulation plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1, a pit type nitriding furnace pressure alarm device based on a paperless recorder comprises a pit type nitriding furnace 1, an alarm 4 and a paperless recorder 3, wherein a pressure gauge 2 with signal output is installed on the pit type nitriding furnace 1, the signal output end of the pressure gauge 2 is connected with the input end of the paperless recorder 3, the output end of the paperless recorder 3 is connected with the alarm 4, and the pressure gauge 2 adopts a remote transmission pressure gauge.
The cooling device is arranged on the side wall of the furnace body and comprises a cooling pipeline 8 and a cooling water tank, the cooling pipeline is fixed on the side wall of the furnace body through a heat insulation plate 9 and a clamp, the heat insulation plate is coated outside the cooling pipeline to position the cooling pipeline, the heat insulation plate 9 and the clamp are adopted to facilitate the replacement and maintenance of the cooling pipeline, the water inlet end of the cooling pipeline 8 is connected with the lower pipeline of the cooling water tank through a flow control valve, the cooling speed and the cooling efficiency are controlled through the flow control valve, the water outlet end of the cooling pipeline 8 is connected with the upper pipeline of the cooling water tank through a water pump to provide the circulating power of cooling water, the flow control valve and the water pump are respectively connected with a control center signal, the cooling pipeline 8 is spirally wound, the thread pitch on the cooling pipeline 8 is 10-30mm, the thread pitch is reasonably set, so that the length of the cooling pipeline can be shortened and the cost is reduced, the maximum cooling effect is obtained, and the increase of energy consumption and cost is avoided.
Well formula nitriding furnace includes furnace body and bell, is equipped with the reservation mouth of pipe that is used for installing the manometer on the bell reserve mouth of pipe department and installs the tee bend, and three-way one end meets with manometer 2, and discharge valve 6 is installed to the three-way other end, and discharge valve 6 adopts automatically controlled valve, and the device still includes control center 5, and discharge valve 6 passes through relay 7 and is connected with control center 5, and the paperless record appearance also is connected with control center, adopts the time delay exhaust mode, adopts the automatic exhaust mode after the alarm reports to the police a period, avoids not exhausting for a long time and causes the accident.
Liquid ammonia is subjected to pyrolysis and volume expansion in the furnace, a pressure gauge 2 with an output signal is communicated with gas in the furnace through a pipeline, a pressure signal is transmitted to a paperless recorder 3 through an electric signal, the paperless recorder 3 converts the electric signal into a physical signal for recording and storing, and a set upper limit signal value and a set lower limit signal value are transmitted to an alarm to give an alarm; when the temperature in the furnace needs to be controlled, the flow speed of cooling water in the cooling pipeline is controlled through the flow regulating valve, so that the cooling speed is controlled, and the damage of the well-type nitriding furnace and the side reaction of products in the furnace caused by quenching are avoided.
Furnace pressure alarm device, can be accurate carry out the police dispatch newspaper to the pressure value in the stove, through alarm signal's suggestion, operating personnel can in time adjust the parameter or seek the stability of problem assurance furnace internal pressure, avoided the phenomenon that the furnace is in high position or status for a long time to appear, promoted the control ability of production process greatly, stabilized product quality.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a pit-type nitriding furnace pressure alarm device based on no paper record appearance, its characterized in that includes pit-type nitriding furnace, alarm and no paper record appearance, installs the manometer of signal output on pit-type nitriding furnace, and the signal output part of manometer links to each other with the input of no paper record appearance, and the output of no paper record appearance is connected with the alarm.
2. The furnace pressure alarm device of the pit-type nitriding furnace based on the paperless recorder as claimed in claim 1, wherein the pit-type nitriding furnace comprises a furnace body and a furnace cover, and a reserved pipe orifice for installing a pressure gauge is arranged on the furnace cover.
3. The furnace pressure alarm device of the pit-type nitriding furnace based on the paperless recorder as claimed in claim 2, wherein a tee joint is installed at the reserved pipe orifice, one end of the tee joint is connected with a pressure gauge, and an exhaust valve is installed at the other end of the tee joint.
4. The furnace pressure alarm device of the pit type nitriding furnace based on the paperless recorder is characterized by further comprising a control center, wherein the exhaust valve is connected with the control center through a relay, and the paperless recorder is also connected with the control center.
5. The well type nitriding furnace pressure alarm device based on the paperless recorder as claimed in claim 4, wherein a cooling device is mounted on the side wall of the furnace body.
6. The furnace pressure alarm device of the pit-type nitriding furnace based on the paperless recorder as claimed in claim 5, wherein the cooling device comprises a cooling pipeline and a cooling water tank, the cooling pipeline is fixed on the side wall of the furnace body through a heat insulation plate and a clamp, the water inlet end of the cooling pipeline is connected with the cooling water tank through a flow control valve, and the water outlet end of the cooling pipeline is connected with the cooling water tank through a water pump.
7. The furnace pressure alarm device of the pit-type nitriding furnace based on the paperless recorder as claimed in claim 6, wherein the cooling pipeline is spirally wound, and the thread pitch on the cooling pipeline is 10-30 mm.
8. The furnace pressure alarm device of the pit-type nitriding furnace based on the paperless recorder as claimed in claim 1, wherein the pressure gauge is a remote pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120845610.7U CN214620580U (en) | 2021-04-23 | 2021-04-23 | Well formula nitriding furnace pressure alarm device based on no paper record appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120845610.7U CN214620580U (en) | 2021-04-23 | 2021-04-23 | Well formula nitriding furnace pressure alarm device based on no paper record appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214620580U true CN214620580U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120845610.7U Active CN214620580U (en) | 2021-04-23 | 2021-04-23 | Well formula nitriding furnace pressure alarm device based on no paper record appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214620580U (en) |
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2021
- 2021-04-23 CN CN202120845610.7U patent/CN214620580U/en active Active
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