CN215339751U - Be applied to safety device between chromatographic analysis - Google Patents
Be applied to safety device between chromatographic analysis Download PDFInfo
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- CN215339751U CN215339751U CN202121439980.7U CN202121439980U CN215339751U CN 215339751 U CN215339751 U CN 215339751U CN 202121439980 U CN202121439980 U CN 202121439980U CN 215339751 U CN215339751 U CN 215339751U
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- control module
- power box
- exhaust fan
- analysis room
- chromatographic analysis
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Abstract
The utility model relates to a safety protection device applied to a chromatographic analysis room, which comprises an analysis room, wherein a combustible gas alarm instrument, an exhaust system, a total power box, an independent power box and a control module are arranged in the analysis room, the control module is in signal connection with the total power box, the control module is electrically connected with the independent power box, the combustible gas alarm instrument is in signal connection with the control module, the exhaust system is respectively electrically connected with the total power box and the independent power box, and the exhaust system is in signal connection with the control module.
Description
Technical Field
The utility model belongs to the technical field of safety protection, and particularly relates to a safety protection device applied to a chromatographic analysis room.
Background
In production chemical enterprises or scientific research units, the chromatographic analysis method is generally applied, a chromatograph is a quality inspection device and is required to be placed in a constant-temperature analysis room, and when some combustible gas samples are analyzed and inspected, the risks of combustible gas emission and leakage exist, and safety accidents such as fire and explosion can possibly occur in the analysis room.
Disclosure of Invention
Therefore, the safety protection device applied to the chromatographic analysis room provided by the utility model can effectively prevent the occurrence of safety accidents such as fire or explosion caused by the leakage of combustible gas in the chromatographic analysis room, and improve the safety and reliability of the chromatographic analysis room.
The technical scheme of the utility model is realized as follows:
the utility model provides a safety protection device applied to a chromatographic analysis room, which comprises an analysis room, wherein a combustible gas alarm instrument, an exhaust system, a total power box, an independent power box and a control module are arranged in the analysis room, the control module is in signal connection with the total power box, the control module is electrically connected with the independent power box, the combustible gas alarm instrument is in signal connection with the control module, the exhaust system is respectively and electrically connected with the total power box and the independent power box, and the exhaust system is in signal connection with the control module.
Preferably, the exhaust system comprises a first exhaust fan and a second exhaust fan, the first exhaust fan is electrically connected with the main power box, the second exhaust fan is electrically connected with the independent power box, and the second exhaust fan is in signal connection with the control mode.
Preferably, the second exhaust fan is an explosion-proof exhaust fan, and the power of the second exhaust fan is greater than that of the first exhaust fan
Preferably, the control module is a PLC controller.
Preferably, an audible and visual alarm is further installed in the analysis room, the audible and visual alarm is electrically connected with the independent power box, and the audible and visual alarm is in signal connection with the control module.
Preferably, an anti-backfire device is installed on the outer side of the analysis room, and the exhaust system is connected with the anti-backfire device.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a safety protection device applied to a chromatographic analysis room, wherein a combustible gas alarm instrument is used for monitoring environmental gas in the chromatographic analysis room, an exhaust system is used for replacing the environmental gas in the chromatographic analysis room, a main power box is used for supplying power to other electric equipment in the analytical room, when the combustible gas leaks in the chromatographic analysis room and is accumulated to reach a set concentration, the combustible gas alarm instrument outputs a signal to a control module, the control module cuts off the power of the main power box after receiving the signal so as to prevent the power of other electric equipment from becoming an ignition source, and meanwhile, the combustible gas is discharged out of the analytical room through the exhaust system. The device is economical, practical, safe and efficient, safety accidents such as fire disasters or explosions caused by combustible gas leakage among chromatographic analyses are effectively prevented, and the safety and reliability among chromatographic analyses are improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a connection block diagram of the present invention.
In the figure, 1 analysis room, 2 combustible gas alarm, 3 total power supply boxes, 4 independent power supply boxes, 5 control modules, 6 first exhaust fans, 7 second exhaust fans, 8 audible and visual alarms and 9 anti-backfire devices.
Detailed Description
In order to better understand the technical content of the utility model, specific embodiments are provided below, and the utility model is further described with reference to the accompanying drawings.
Referring to fig. 1 to 2, the utility model provides a safety protection device applied to a chromatographic analysis room 11, which comprises an analysis room 1, wherein a combustible gas alarm 2, an exhaust system, a main power box 3, an independent power box 4 and a control module 5 are installed in the analysis room 1, the control module 5 is in signal connection with the main power box 3, the control module 5 is electrically connected with the independent power box 4, the combustible gas alarm 2 is in signal connection with the control module 5, the exhaust system is respectively electrically connected with the main power box 3 and the independent power box 4, and the exhaust system is in signal connection with the control module 5. Combustible gas alarm 2 adopts the guarantor's time safety four unification gas detection appearance of selling on the market for to the monitoring of the environmental gas in chromatographic analysis room 1, in case there is combustible gas to reveal, can in time detect and output warning and chain signal, exhaust system is used for replacing the environmental gas in the analysis room 1, main power supply box 3 is responsible for the power supply of other consumer in the analysis room 1, independent power supply box 4 adopts explosion-proof power supply box, for combustible gas alarm 2, exhaust system and control module 5 power supply.
When the combustible gas reveals between chromatographic analysis 1, and when the accumulation reachd the settlement concentration, detected by combustible gas alarm 2, combustible gas alarm 2 gives control module 5 with signal output, control module 5 received the power of cutting off total power supply box 3 behind the signal, in order to avoid other non-explosion-proof consumer's power to become the ignition source, simultaneously through exhaust system with combustible gas discharge analysis room 1, this device economical and practical, safety and high efficiency, effectively prevented chromatographic analysis room 1 because of the combustible gas reveals the emergence that leads to incident such as conflagration or explosion, the fail safe nature of chromatographic analysis room 1 has been improved.
The exhaust system comprises a first exhaust fan 6 and a second exhaust fan 7, the first exhaust fan 6 is electrically connected with the main power box 3, the second exhaust fan 7 is electrically connected with the independent power box 4, and the second exhaust fan 7 is connected with the control mode signal.
The second exhaust fan 7 adopts a commercially available Isleke CBF-400F 220V explosion-proof exhaust fan, and the power of the second exhaust fan 7 is greater than that of the first exhaust fan 6. The first exhaust fan 6 is normally exhausted, the main power box 3 supplies power, the second exhaust fan 7 is forcibly exhausted, the independent power box 4 supplies power, when the analysis room 1 has no combustible gas leakage, the first exhaust fan 6 is driven by the main power box 3 to replace air in the analysis room 1, when the combustible gas leaks, the control module 5 cuts off the power of the main power box 3, meanwhile, the independent power box 4 controls the second exhaust fan 7 to be started, and the combustible gas in the analysis room 1 is forcibly exhausted through the high-power second exhaust fan 7.
The control module 5 is a PLC controller, and the PLC controller adopts a commercially available 6ES73650BA010AA0 PLC programmable controller.
Still install audible-visual annunciator 8 in the analysis room 1, audible-visual annunciator 8 with independent power supply box 4 electricity is connected, audible-visual annunciator 8 with control module 5 signal connection, when combustible gas alarm 2 detects combustible gas and reveals, cuts off the power of total power supply box 3 through control module 5, triggers audible-visual annunciator simultaneously.
The anti-backfire device 9 is installed on the outer side of the analysis room 1, the exhaust system is connected with the anti-backfire device 9, the anti-backfire device 9 can purchase a flame arrester sold in the market according to the field requirement, after the combustible gas is discharged out of the analysis room 1, the combustible gas can possibly generate a combustion phenomenon, the flame is prevented from returning to the analysis room 1 through the flame arrester, safety accidents such as fire and explosion of the analysis room 1 are avoided, and the safety protection effect of the analysis room 1 is further improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The safety protection device applied to the chromatographic analysis room comprises an analysis room body and is characterized in that a combustible gas alarm instrument, an exhaust system, a total power box, an independent power box and a control module are installed in the analysis room body, the control module is in signal connection with the total power box, the control module is electrically connected with the independent power box, the combustible gas alarm instrument is in signal connection with the control module, the exhaust system is respectively electrically connected with the total power box and the independent power box, and the exhaust system is in signal connection with the control module.
2. The safety protection device applied to the chromatographic analysis chamber is characterized in that the exhaust system comprises a first exhaust fan and a second exhaust fan, the first exhaust fan is electrically connected with the main power supply box, the second exhaust fan is electrically connected with the independent power supply box, and the second exhaust fan is in signal connection with the control module.
3. The safety protection device applied to the chromatographic analysis chamber, as claimed in claim 2, wherein the second exhaust fan is an explosion-proof exhaust fan, and the power of the second exhaust fan is greater than that of the first exhaust fan.
4. The safety protection device applied to the chromatographic analysis chamber is characterized in that the control module is a PLC (programmable logic controller).
5. The safety protection device applied to the chromatographic analysis room as claimed in claim 3, wherein an audible and visual alarm is further installed in the analysis room, the audible and visual alarm is electrically connected with the independent power box, and the audible and visual alarm is in signal connection with the control module.
6. The safety protection device applied to the chromatographic analysis room is characterized in that an anti-backfire device is installed on the outer side of the chromatographic analysis room, and the air exhaust system is connected with the anti-backfire device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121439980.7U CN215339751U (en) | 2021-06-28 | 2021-06-28 | Be applied to safety device between chromatographic analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121439980.7U CN215339751U (en) | 2021-06-28 | 2021-06-28 | Be applied to safety device between chromatographic analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215339751U true CN215339751U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121439980.7U Active CN215339751U (en) | 2021-06-28 | 2021-06-28 | Be applied to safety device between chromatographic analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215339751U (en) |
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2021
- 2021-06-28 CN CN202121439980.7U patent/CN215339751U/en active Active
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