CN212523626U - Automatic carbon monoxide waste gas emission treatment device in protective atmosphere of heat treatment heating furnace - Google Patents
Automatic carbon monoxide waste gas emission treatment device in protective atmosphere of heat treatment heating furnace Download PDFInfo
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- CN212523626U CN212523626U CN202020719990.5U CN202020719990U CN212523626U CN 212523626 U CN212523626 U CN 212523626U CN 202020719990 U CN202020719990 U CN 202020719990U CN 212523626 U CN212523626 U CN 212523626U
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Abstract
The utility model relates to an automatic emission processing apparatus of carbon monoxide waste gas in heat treatment heating furnace protective atmosphere, including connecting pipe and pressure retaining valve, still include casing, air compensating pipe, air compensating solenoid valve, heating element, ignition nozzle, discharge pipe, gas pipe and ignition gas shutoff valve, the connecting pipe lower part is connected with air compensating pipe and discharge pipe respectively, and connecting pipe upper portion stretches into in the casing, heating element sets up in the casing, and connecting pipe upper portion cartridge is in heating element; according to the technical scheme, when the content of carbon monoxide waste gas in the heating furnace is less than 30%, the air is supplemented and mixed, and then the heating is carried out, so that the oxygen in the air and the carbon monoxide in the waste gas fully react to reach the national emission requirement and are directly discharged; when the content of the carbon monoxide waste gas in the heating furnace is more than 30%, the carbon monoxide waste gas can be directly ignited by the ignition burner and then discharged, so that safe discharge is automatically realized, and the discharge pollution of the carbon monoxide waste gas is effectively avoided.
Description
Technical Field
The utility model relates to a heat treatment heating furnace, in particular to an automatic carbon monoxide waste gas emission treatment device in the protective atmosphere of the heat treatment heating furnace.
Background
At present, parts in the aviation industry, such as aircraft landing gear parts, are mostly made of ultrahigh-strength steel, and hydrogen embrittlement can be generated on the parts due to general hydrogen-containing elements in heat treatment atmosphere, so that heat treatment work pieces are subjected to heat treatment work by using carbon monoxide and high-purity nitrogen as protective atmosphere under hydrogen-free protective atmosphere, but when the work pieces are subjected to furnace gas replacement after entering a heating furnace for temperature rise and discharging, the content of carbon monoxide waste gas is less than 30%, the discharged gas cannot be directly ignited at the moment, but the environment can be polluted due to direct discharge.
SUMMERY OF THE UTILITY MODEL
In view of this, the main object of the present invention is to provide an automatic carbon monoxide exhaust emission treatment device in the protective atmosphere of a heat treatment furnace, through the technical solution, when the content of carbon monoxide exhaust in the heating furnace is less than 30%, the air is supplemented and mixed, and then heated, so that the oxygen in the air and the carbon monoxide in the exhaust gas fully react to meet the national emission requirement and are directly discharged; when the content of the carbon monoxide waste gas in the heating furnace is more than 30%, the carbon monoxide waste gas can be directly ignited by the ignition burner and then discharged, so that safe discharge is automatically realized, and the discharge pollution of the carbon monoxide waste gas is effectively avoided.
In order to achieve the above purpose, the technical solution of the present invention is realized as follows: the utility model provides an automatic processing apparatus that discharges of carbon monoxide waste gas in heat treatment heating furnace protective atmosphere, includes connecting pipe and pressure retaining valve, the pressure retaining valve sets up on heating furnace exhaust port, and the connecting pipe lower extreme is connected with the pressure retaining valve, still includes casing, air compensating pipe, air compensating solenoid valve, heating element, ignition nozzle, delivery pipe, gas pipe and ignition gas shutoff valve, the connecting pipe lower part is connected with air compensating pipe and delivery pipe respectively, and connecting pipe upper portion stretches into in the casing, heating element sets up in the casing, and connecting pipe upper portion cartridge is in heating element, the air compensating solenoid valve sets up on air compensating pipe, the ignition nozzle sets up on the delivery pipe mouth of pipe, and the gas pipe links to each other with the ignition nozzle, ignition gas trip valve sets up on the gas pipe.
As a further technical scheme, the heating device further comprises a heat insulation layer, and the heat insulation layer is arranged between the heating element and the shell.
As a further technical solution, the heating device further comprises a temperature measuring element, and the temperature measuring element is arranged outside the heating element.
As a further technical scheme, a sample gas sampling port is arranged on the discharge pipe.
The beneficial effect after adopting above-mentioned technical scheme is: in view of this, the main object of the present invention is to provide an automatic carbon monoxide exhaust emission treatment device in the protective atmosphere of a heat treatment furnace, through the technical solution, when the content of carbon monoxide exhaust in the heating furnace is less than 30%, the air is supplemented and mixed, and then heated, so that the oxygen in the air and the carbon monoxide in the exhaust gas fully react to meet the national emission requirement and are directly discharged; when the content of the carbon monoxide waste gas in the heating furnace is more than 30%, the carbon monoxide waste gas can be directly ignited by the ignition burner and then discharged, so that safe discharge is automatically realized, and the discharge pollution of the carbon monoxide waste gas is effectively avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the utility model.
In the figure, a connecting pipe 1, a pressure retaining valve 2, a heating furnace exhaust gas discharge port 3, a shell 4, an air compensation pipe 5, an air compensation electromagnetic valve 6, a heating element 7, an ignition burner 8, an exhaust pipe 9, an ignition gas cut-off valve 10, a temperature measuring element 11, a heat insulating layer 12, a gas pipe 13 and a sample gas sampling port 14 are arranged.
Detailed Description
The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in figure 1, the utility model relates to an automatic carbon monoxide waste gas emission treatment device in heat treatment heating furnace protective atmosphere, which comprises a connecting pipe 1 and a pressure retaining valve 2, wherein the pressure retaining valve 2 is arranged on a heating furnace waste gas discharge port 3, the lower end of the connecting pipe 1 is connected with the pressure retaining valve 2, the device also comprises a shell 4, an air compensating pipe 5, an air compensating electromagnetic valve 6, a heating element 7, an ignition burner 8, a discharge pipe 9, a gas pipe 13 and an ignition gas cut-off valve 10, the lower part of the connecting pipe 1 is respectively connected with the air compensating pipe 5 and the discharge pipe 9, the upper part of the connecting pipe 1 extends into the shell 4, the heating element 7 is arranged in the shell 4, the upper part of the connecting pipe 1 is inserted into the heating element 7, the air compensating electromagnetic valve 6 is arranged on the air compensating pipe 5, the ignition burner 8 is arranged on the pipe orifice of the discharge, the ignition gas cut-off valve 10 is arranged on a gas pipe 13.
As a further embodiment, an insulating layer 12 is further included, and an insulating layer 12 is disposed between the heating element 7 and the housing 4.
As a further embodiment, a temperature measuring element 11 is also included, said temperature measuring element 11 being arranged outside the heating element 7.
As a further embodiment, the discharge pipe is provided with a sample gas sampling port 14, and the sample gas sampling port 14 is opened when the device is detected and debugged or the exhaust gas is sampled and detected, so that the device can be conveniently connected for emission detection.
The pressure retaining valve 2, the air compensation solenoid valve 6, the heating element 7, the ignition burner 8, the ignition gas cut-off valve 10 and the temperature measuring element 11 in the utility model are respectively connected with the master controller through electric leads; a carbon monoxide waste gas content monitor is arranged in the heating furnace and is also connected with a master controller through an electric lead.
When the utility model is used for carbon monoxide waste gas emission, the pressure retaining valve 2 is in an open state, the working temperature of the heating element 7 is controlled at 800 ℃, when the carbon monoxide waste gas content monitor detects that the carbon monoxide waste gas content is less than 30%, the air compensation electromagnetic valve 6 is opened, the air enters the connecting pipe 1 through the air compensation pipe 5, the oxygen in the air and the carbon monoxide in the waste gas fully react to form carbon dioxide gas at the temperature of 800 ℃, and the gas is directly discharged from the discharge pipe 9; when the carbon monoxide waste gas content monitor detects that the carbon monoxide waste gas content is greater than 30%, the air compensation electromagnetic valve 6 is closed, the ignition gas cut-off valve 10 is opened, the ignition burner 8 is ignited, and the gas in the gas pipe and the carbon monoxide waste gas are directly combusted and discharged together.
The utility model discloses well pressure retaining valve 2, air compensation solenoid valve 6, heating element 7, ignition nozzle 8, ignition gas trip valve 10, temperature measurement element 11 and the carbon monoxide waste gas content monitor of setting in the heating furnace all control through total controller is automatic to effectively realize the safe emission of carbon monoxide waste gas in the heating furnace, and simple structure, dependable performance, exhaust-gas treatment are effectual, easy maintenance.
The above description is only a preferred and practical embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (4)
1. The utility model provides an automatic processing apparatus that discharges of carbon monoxide waste gas in heat treatment heating furnace protective atmosphere, includes connecting pipe and pressure retaining valve, the pressure retaining valve sets up on heating furnace exhaust port, and the connecting pipe lower extreme is connected with the pressure retaining valve, and its characterized in that still includes casing, air compensating pipe, air compensating solenoid valve, heating element, ignition nozzle, delivery pipe, gas pipe and ignition gas shutoff valve, the connecting pipe lower part is connected with air compensating pipe and delivery pipe respectively, and connecting pipe upper portion stretches into in the casing, heating element sets up in the casing, and connecting pipe upper portion cartridge is in heating element, air compensating solenoid valve sets up on air compensating pipe, the ignition nozzle sets up on the delivery pipe mouth of pipe, and the gas pipe links to each other with the ignition nozzle, the setting of ignition gas shutoff valve is on the gas pipe.
2. The device for automatically discharging and treating the carbon monoxide waste gas in the protective atmosphere of the heat treatment heating furnace according to claim 1, further comprising an insulating layer, wherein the insulating layer is arranged between the heating element and the shell.
3. The automatic carbon monoxide exhaust gas treatment device in a protective atmosphere of a heat treatment furnace according to claim 1, further comprising a temperature measuring element disposed outside the heating element.
4. The automatic carbon monoxide waste gas discharge processing device in the protective atmosphere of the heat treatment heating furnace according to claim 1, wherein a sample gas sampling port is provided on the discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020719990.5U CN212523626U (en) | 2020-05-06 | 2020-05-06 | Automatic carbon monoxide waste gas emission treatment device in protective atmosphere of heat treatment heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020719990.5U CN212523626U (en) | 2020-05-06 | 2020-05-06 | Automatic carbon monoxide waste gas emission treatment device in protective atmosphere of heat treatment heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212523626U true CN212523626U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020719990.5U Active CN212523626U (en) | 2020-05-06 | 2020-05-06 | Automatic carbon monoxide waste gas emission treatment device in protective atmosphere of heat treatment heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212523626U (en) |
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2020
- 2020-05-06 CN CN202020719990.5U patent/CN212523626U/en active Active
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