CN216336626U - Carbon dioxide gas purification control system in converter gas - Google Patents
Carbon dioxide gas purification control system in converter gas Download PDFInfo
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- CN216336626U CN216336626U CN202123428347.0U CN202123428347U CN216336626U CN 216336626 U CN216336626 U CN 216336626U CN 202123428347 U CN202123428347 U CN 202123428347U CN 216336626 U CN216336626 U CN 216336626U
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Abstract
The utility model belongs to the technical field of converter gas application, and particularly relates to a carbon dioxide gas purification control system in converter gas, which comprises a converter, an evaporative cooling tower, a dry electric precipitator, a combustion chamber and a purification tower, wherein the evaporative cooling tower, the dry electric precipitator, the combustion chamber and the purification tower are sequentially communicated with a smoke outlet of the converter through pipelines; the control system can purify and control the carbon dioxide in the converter gas, and the concentration of the carbon dioxide detected by the second sensor can reflect whether the purified carbon dioxide in the purifying tower is invalid or not, so that the system is convenient to overhaul in time, and the purification work of the carbon dioxide can be effectively carried out.
Description
Technical Field
The utility model belongs to the technical field of converter gas application, and particularly relates to a carbon dioxide gas purification control system in converter gas.
Background
The converter gas is a high-quality gas fuel, has high recycling value, has the natural advantage of carbon enrichment, and the sum of the contents of carbon monoxide and carbon dioxide in the converter gas reaches up to 90%. The existing converter gas is mainly used as fuel to form steam for power generation after combustion, air is generally adopted for combustion supporting in the combustion process, carbon dioxide in flue gas is diluted by a large amount of nitrogen, the advantage of carbon enrichment is lost, and purification of carbon dioxide becomes very difficult, so that the concentration of carbon dioxide in the converter gas needs to be controlled when the converter gas is recycled, and the concentration of carbon dioxide is maintained in a relatively stable state so as to purify and collect the carbon dioxide.
For this reason, a purification control system for carbon dioxide gas in converter gas is designed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a purification control system for carbon dioxide in converter gas, wherein when carbon dioxide passes through an air inlet three-way pipe, a first sensor detects the concentration of carbon dioxide before entering a purification tower, when the concentration is lower, a first electromagnetic valve is opened, a third electromagnetic valve is closed, the carbon dioxide is introduced into the purification tower, after the purification tower is purified, a second sensor detects the concentration of discharged carbon dioxide, then a second electromagnetic valve is opened to discharge the carbon dioxide, the control system can be used for carrying out purification control on carbon dioxide in the converter gas, and the concentration of carbon dioxide detected by the second sensor can reflect whether purified carbon dioxide in the purification tower is invalid or not, so that the system is convenient to overhaul in time, and the effective operation of carbon dioxide purification can be ensured.
In order to achieve the purpose, the utility model provides the following technical scheme: carbon dioxide gas purification control system in converter coal gas, including the converter and communicate in proper order at the evaporative cooling tower of converter exhaust port, dry-type electrostatic precipitator, combustion chamber and purification tower through the pipeline, the purification tower bottom is linked together through the exhaust port of air inlet three-way pipe with the combustion chamber, first sensor is installed to the one end inboard that the air inlet three-way pipe is close to the combustion chamber, first solenoid valve and third solenoid valve are installed respectively to the one end and the other end that the air inlet three-way pipe is close to the purification tower, purification tower top intercommunication has the outlet duct, second sensor and second solenoid valve are installed in proper order to the outlet duct inboard, still include the purification controller, just the purification controller passes through the connection of electric lines with first sensor, second sensor, first solenoid valve, second solenoid valve and third solenoid valve respectively.
The system for controlling the purification of the carbon dioxide in the converter gas preferably comprises an exhaust fan connected to one end of the air inlet three-way pipe close to the combustion chamber, and a control panel and an alarm which are arranged on the purification controller, wherein the control panel and the alarm are respectively and electrically connected with the purification controller, and the control panel is connected with the exhaust fan through a wire.
Preferably, the alarm comprises a warning light and/or a buzzer arranged on the purification controller.
Preferably, the system for controlling purification of carbon dioxide in converter gas according to the present invention is configured such that the air inlet of the combustion chamber is connected to a blower, and the smoke outlet of the combustion chamber is connected to a desulfurization device.
Preferably, the purification tower adopts a carbon dioxide purification rectifying tower, outlets of the air inlet three-way pipe and the air outlet pipe are both connected with a buffer tank, and one end of the buffer tank is communicated with a discharge pipe.
Compared with the prior art, the utility model has the beneficial effects that: in the process of treating the converter gas, air is introduced into a combustion chamber through an air blower to support combustion, so that the converter gas is combusted and converted into flue gas such as carbon dioxide and the like, then the flue gas is introduced into a purification tower through an exhaust fan to be purified, through the arranged carbon dioxide purification control system, when the carbon dioxide passes through an air inlet three-way pipe, a first sensor detects the concentration of the carbon dioxide before entering the purification tower, when the concentration is lower, the first electromagnetic valve is opened and a third electromagnetic valve is closed, the carbon dioxide is introduced into the purification tower, after the carbon dioxide is purified by the purification tower, a second sensor detects the concentration of the discharged carbon dioxide, then the second electromagnetic valve is opened to discharge the carbon dioxide, the control system can carry out purification control on the carbon dioxide in the converter gas, and the concentration of the carbon dioxide detected by the second sensor can reflect whether the purified carbon dioxide in the purification tower fails or not, convenient and timely maintenance and ensures that the carbon dioxide purification work can be effectively carried out.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view showing the construction of a carbon dioxide purification control system according to the present invention;
FIG. 2 is a schematic structural view of gas transmission of a converter according to the present invention;
FIG. 3 is a schematic diagram showing an external configuration of a purification controller according to the present invention;
FIG. 4 is a system block diagram of a purge controller according to the present invention;
reference numbers in the figures: 1. a converter; 2. an evaporative cooling tower; 3. a dry electric precipitator; 4. a combustion chamber; 41. a blower; 42. a desulfurization unit; 5. a purification tower; 6. an air inlet three-way pipe; 61. a first sensor; 62. a first solenoid valve; 63. a third electromagnetic valve; 7. an air outlet pipe; 71. a second sensor; 72. a second solenoid valve; 8. a purification controller; 81. a control panel; 82. an alarm; 9. an exhaust fan; 10. a buffer tank; 11. a discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4;
the carbon dioxide gas purification control system in the converter gas comprises a converter 1, an evaporative cooling tower 2 sequentially communicated with a smoke outlet of the converter 1 through a pipeline, a dry-type electric dust remover 3, a combustion chamber 4 and a purification tower 5, wherein the bottom of the purification tower 5 is communicated with the smoke outlet of the combustion chamber 4 through an air inlet three-way pipe 6, a first sensor 61 is arranged on the inner side of one end, close to the combustion chamber 4, of the air inlet three-way pipe 6, a first electromagnetic valve 62 and a third electromagnetic valve 63 are respectively arranged on one end and the other end, close to the purification tower 5, of the air inlet three-way pipe 6, an air outlet pipe 7 is communicated with the top of the purification tower 5, a second sensor 71 and a second electromagnetic valve 72 are sequentially arranged on the inner side of the air outlet pipe 7, and the purification controller 8 is further included, and the purification controller 8 is connected to the first sensor 61, the second sensor 71, the first solenoid valve 62, the second solenoid valve 72, and the third solenoid valve 63 through electric wires, respectively.
In this embodiment: in the process of treating the converter gas, the converter gas is led into a combustion chamber 4 to be combusted, so that the converter gas is combusted and converted into flue gas such as carbon dioxide and the like, and then the flue gas is led into a purifying tower 5 to be purified, through an arranged carbon dioxide purifying control system, when the carbon dioxide passes through an air inlet three-way pipe 6, a first sensor 61 detects the concentration of the carbon dioxide before entering the purifying tower 5, when the concentration is lower, a first electromagnetic valve 62 is opened and a third electromagnetic valve 63 is closed, the carbon dioxide is led into the purifying tower 5, after the carbon dioxide is purified by the purifying tower 5, a second sensor 71 detects the concentration of the discharged carbon dioxide, then a second electromagnetic valve 72 is opened to discharge the carbon dioxide, the control system can purify and control the carbon dioxide in the converter gas, and the concentration of the carbon dioxide detected by the second sensor 71 can reflect whether the purified carbon dioxide in the purifying tower 5 fails or not, is convenient for in-time maintenance and ensures that the carbon dioxide purification work can be effectively carried out.
It should be noted that: the purification tower 5 adopts a carbon dioxide purification and rectification tower and is used for purifying the carbon dioxide discharged from the combustion chamber 4 to obtain carbon dioxide gas with very high purity; the first sensor 61 and the second sensor 71 both use carbon dioxide sensors to detect the concentration of carbon dioxide in the gas.
It should be understood that: the heat energy generated by the combustion chamber 4 is applied to other heat equipment for realizing the utilization and recovery of the converter gas.
In combination with the above, the purification device further comprises an exhaust fan 9 connected to one end of the air inlet three-way pipe 6 close to the combustion chamber 4, and a control panel 81 and an alarm 82 mounted on the purification controller 8, wherein the control panel 81 and the alarm 82 are electrically connected to the purification controller 8, and the control panel 81 and the exhaust fan 9 are connected through a wire.
In this embodiment: can control the work of air exhauster 9 through control panel 81 for carbon dioxide gas can get into purification tower 5 fast in, has improved the efficiency of purification work, and carbon dioxide concentration that detects when second sensor 71 is lower or is close the carbon dioxide concentration that first sensor 61 detected, explains purification tower 5 purification carbon dioxide inefficacy, reports to the police through alarm 82, the in time maintenance of being convenient for.
It should be noted that: the alarm 82 comprises a warning lamp and/or a buzzer arranged on the purification controller 8, and has a good alarm effect; the control panel 81 adopts a touch screen control panel, and operation is convenient.
In a preferred embodiment, the air inlet of the combustion chamber 4 is connected with a blower 41, and the smoke outlet of the combustion chamber 4 is connected with a desulphurization device 42.
In this embodiment: through the setting of air-blower 41, can let in the air in the combustion chamber 4 and support combustion for converter gas can fully burn and change into flue gas such as carbon dioxide, through the desulphurization unit 42 that sets up, can dispose the sulphur gas who contains in the flue gas of combustion chamber 4 exhaust, has improved the purity of converter gas burning back carbon dioxide.
It should be noted that: the desulfurization unit 42 employs a desulfurization tower device, which can effectively treat sulfur-containing gas in the flue gas.
In a preferred embodiment, the purification tower 5 adopts a carbon dioxide purification and rectification tower, the outlets of the air inlet three-way pipe 6 and the air outlet pipe 7 are both connected with a buffer tank 10, one end of the buffer tank 10 is communicated with an exhaust pipe 11, and the carbon dioxide purified by the purification tower 5 can be buffered through the arranged buffer tank 10, so that the exhaust is more stable and the collection is convenient.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. Carbon dioxide gas purification control system in converter coal gas, including converter (1) and through pipeline intercommunication in proper order evaporative cooling tower (2), dry-type electrostatic precipitator (3), combustion chamber (4) and purifying tower (5) of converter (1) exhaust port, its characterized in that: purification tower (5) bottom is linked together through the exhaust port of air inlet three-way pipe (6) with combustion chamber (4), first sensor (61) are installed to the one end inboard that air inlet three-way pipe (6) are close to combustion chamber (4), first solenoid valve (62) and third solenoid valve (63) are installed respectively to the one end and the other end that air inlet three-way pipe (6) are close to purification tower (5), purification tower (5) top intercommunication has outlet duct (7), second sensor (71) and second solenoid valve (72) are installed in proper order to outlet duct (7) inboard, still include purification controller (8), just purification controller (8) pass through the connection of electric lines with first sensor (61), second sensor (71), first solenoid valve (62), second solenoid valve (72) and third solenoid valve (63) respectively.
2. The system for controlling purification of carbon dioxide gas in converter gas according to claim 1, wherein: still including connecting air intake three-way pipe (6) are close to air exhauster (9) of combustion chamber (4) one end and install control panel (81) and alarm (82) on purification controller (8), control panel (81) and alarm (82) respectively with purification controller (8) electric connection, just through connection of electric lines between control panel (81) and air exhauster (9).
3. The system for controlling purification of carbon dioxide gas in converter gas according to claim 2, wherein: the alarm (82) comprises a warning lamp and/or a buzzer which are arranged on the purification controller (8).
4. The system for controlling purification of carbon dioxide gas in converter gas according to claim 1, wherein: an air inlet of the combustion chamber (4) is communicated with an air blower (41), and an exhaust port of the combustion chamber (4) is connected with a desulfurization device (42).
5. The system for controlling purification of carbon dioxide gas in converter gas according to claim 1, wherein: the purification tower (5) adopts a carbon dioxide purification and rectification tower, outlets of the air inlet three-way pipe (6) and the air outlet pipe (7) are connected with a buffer tank (10), and one end of the buffer tank (10) is communicated with a discharge pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123428347.0U CN216336626U (en) | 2021-12-31 | 2021-12-31 | Carbon dioxide gas purification control system in converter gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123428347.0U CN216336626U (en) | 2021-12-31 | 2021-12-31 | Carbon dioxide gas purification control system in converter gas |
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| Publication Number | Publication Date |
|---|---|
| CN216336626U true CN216336626U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123428347.0U Active CN216336626U (en) | 2021-12-31 | 2021-12-31 | Carbon dioxide gas purification control system in converter gas |
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| CN (1) | CN216336626U (en) |
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2021
- 2021-12-31 CN CN202123428347.0U patent/CN216336626U/en active Active
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