CN222855013U - An activated carbon adsorption device controlled by PLC with built-in fire safety measures - Google Patents
An activated carbon adsorption device controlled by PLC with built-in fire safety measures Download PDFInfo
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- CN222855013U CN222855013U CN202420762252.7U CN202420762252U CN222855013U CN 222855013 U CN222855013 U CN 222855013U CN 202420762252 U CN202420762252 U CN 202420762252U CN 222855013 U CN222855013 U CN 222855013U
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Abstract
The utility model relates to the technical field of waste gas treatment, in particular to an active carbon adsorption device with fire safety measures controlled by a PLC, which can monitor the temperature of a carbon layer in real time by arranging a temperature sensor in the active carbon layer, transmit temperature information to a PLC module on the device through an electric signal and alarm when reaching a preset value, meanwhile, the PLC module controls the fire-fighting water supply electric valve to open so as to introduce external tap water, and the active carbon layer is subjected to fire extinguishing and cooling through spraying on the fire-fighting pipe, and meanwhile, the PLC module controls the water discharge electric ball valve 4 to open in a delayed manner so as to discharge redundant spraying fire-fighting water.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to an active carbon adsorption device with fire safety measures controlled by a PLC.
Background
Activated carbon, which is an adsorbent for organic waste gas, is widely used in the field of organic waste gas treatment with its large adsorption surface area and relatively low cost advantage. Whether a single activated carbon adsorption device or a high-end complex process of activated carbon adsorption, catalytic combustion and desorption is adopted, the activated carbon is not separated.
The activated carbon can continuously release heat in the adsorption process, and meanwhile, the activated carbon has the characteristic of inflammability, so that the safety of equipment taking the activated carbon adsorbent as the waste gas treatment in the use process is tested, and in the waste gas treatment equipment taking the activated carbon as the adsorbent at present, few safe fire-fighting measures for reliably preventing the activated carbon from burning are provided.
In view of the problems, the utility model designs the active carbon adsorption device with the fire safety measures controlled by the PLC, which receives the temperature data monitored in real time through the PLC, and realizes the cooperative action among all the components in the whole-course automatic control device so as to achieve the fire control effect on the burning of the active carbon.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides an active carbon adsorption device which is controlled by a PLC and is provided with fire safety measures, the PLC receives temperature data monitored in real time, and the cooperative action among all components in the whole-course automatic control device is realized, so that the fire control effect on the burning of the active carbon is achieved.
In order to achieve the aim, the utility model provides an active carbon adsorption device which is controlled by a PLC and provided with fire safety measures, wherein an inlet and an outlet of active carbon adsorption equipment are respectively provided with a fire valve I and a fire valve II, a bottom plate of the active carbon adsorption equipment is provided with a carbon discharging port, the bottom of the active carbon adsorption equipment is provided with a water discharging port connected with a water discharging electric ball valve, the top of the active carbon adsorption equipment is provided with a carbon filling port, the position, corresponding to the carbon filling port, inside the active carbon adsorption equipment is provided with an active carbon layer, the active carbon layer is internally provided with a temperature sensor, the top of the active carbon adsorption equipment is provided with a fire pipe, the fire pipe is provided with a vertical spray pipe extending into the active carbon adsorption equipment, the vertical spray pipe is provided with a plurality of spray nozzles with spray directions facing the active carbon layer, the fire pipe is connected with the fire water supplying electric valve, and the fire water supplying electric valve and the temperature sensor are respectively electrically connected with a PLC module in the device.
The bottom plate is inclined along the water outlet for draining water.
The temperature sensor is a double-branch thermal resistance temperature sensor.
Compared with the prior art, the temperature sensor is arranged in the activated carbon layer, so that the temperature of the activated carbon layer can be monitored in real time, when the preset value is reached, temperature information is transmitted to the PLC module on the device through an electric signal and is used for alarming, meanwhile, the PLC module controls the fire-fighting water supply electric valve to open so as to introduce external tap water, the activated carbon layer is subjected to fire extinguishing and temperature reduction through spraying on the fire-fighting pipe, and meanwhile, the PLC module controls the water discharge electric ball valve 4 to open in a delayed mode so as to discharge redundant spraying fire-fighting water.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model.
Fig. 2 is a schematic view of the external structure of the present utility model.
Reference numerals illustrate:
1 is active carbon adsorption equipment, 2 is the bottom plate, 3 is the outlet, 4 is drainage electric ball valve, 5 is the carbon loading mouth, 6 is the carbon unloading mouth, 7 is fire prevention valve one, 8 is fire prevention valve two, 9 is the nozzle, 10 is temperature sensor, 11 is fire control pipe, 12 is fire control feedwater motorised valve, 13 is active carbon layer.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings.
Referring to fig. 1-2, the utility model provides an active carbon adsorption device with fire safety measures controlled by a PLC, wherein an inlet and an outlet of an active carbon adsorption device 1 are respectively provided with a fire valve I7 and a fire valve II 8, a bottom plate 2 of the active carbon adsorption device 1 is provided with a carbon discharging port 6, the bottom of the active carbon adsorption device 1 is provided with a water outlet 3 connected with a water discharging electric ball valve 4, the top of the active carbon adsorption device 1 is provided with a carbon filling port 5, the position, corresponding to the carbon filling port 5, inside the active carbon adsorption device 1 is provided with an active carbon layer 13, a temperature sensor 10 is arranged in the active carbon layer 13, the top of the active carbon adsorption device 1 is provided with a fire tube 11, the fire tube 11 is provided with a vertical spray tube extending into the active carbon adsorption device 1, the vertical spray tube is provided with a plurality of spray nozzles 9 with spray directions facing the active carbon layer 13, the fire tube 11 is connected with a fire water supply electric valve 12, and the fire water supply electric valve 12 is respectively electrically connected with the PLC module in the device.
The bottom plate 2 is inclined along the drain opening 3 for draining.
The temperature sensor 10 is a two-branch thermal resistance temperature sensor.
Working principle:
The utility model does not need excessive debugging when in use:
Waste gas enters the activated carbon adsorption equipment 1 from the fire-proof valve I7 at the inlet, an activated carbon layer 13 is arranged in the activated carbon adsorption equipment 1, after the waste gas is adsorbed by the activated carbon in the activated carbon layer 13, the waste gas is discharged from the equipment outlet through the fire-proof valve II 8, and the bottom plate 2 of the activated carbon adsorption equipment 1 is made into an inclined plate with a gradient, so that water in the subsequent activated carbon adsorption equipment 1 can be conveniently discharged.
The inside of the active carbon layer 13 is provided with two temperature sensors 10, when the temperature of the carbon layer monitored by the two temperature sensors 10 reaches a set temperature value for fire control opening, the PLC controls the exhaust fan to stop running at the moment, meanwhile, the fire valve I7 and the fire valve II 8 are closed, the fire control water supply electric valve 12 is opened, tap water enters the fire control pipe 11 through the fire control water supply electric valve 12 and is sprayed out through the nozzle 9 connected with the fire control pipe 11, the active carbon layer surface 13 is covered, and the fire is extinguished.
The nozzles 9 are arranged on two side surfaces of the activated carbon layer 13, and the number of the specific nozzles 9 on the surface is calculated according to the spraying angle and the coverage area, so that the sprayed water curtain can completely cover the two side surfaces of the activated carbon layer 13 when the nozzles 9 are sprayed, and the spread of fire can be prevented in time and the fire can be extinguished.
At the same time as the fire-fighting water supply electric valve 12 is opened, the water discharge electric ball valve 4 is opened with a delay, and at this time, the water sprayed from the nozzle 9 passes through the water discharge opening 3 and is discharged through the water discharge electric ball valve 4.
The two thermal resistors adopted in the two temperature sensors 10 can judge whether the two temperature sensors 10 work normally through the deviation of the values displayed by the two thermal resistors, and if the deviation is larger and exceeds the set deviation value, the PLC can send out alarm prompt information and needs to be replaced in time so as to ensure the normal operation of the device.
The above is only a preferred embodiment of the present utility model, only for helping to understand the method and the core idea of the present utility model, and the scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The utility model integrally solves the defect of the prior art on the burning treatment of the active carbon caused by overhigh temperature in the waste gas treatment, and the device is protected, the fire hidden danger is controlled by monitoring the temperature of the active carbon in real time and automatically controlling fire fighting to extinguish the fire in time, thereby playing the roles of improving the efficiency and reducing the safety risk for the waste gas treatment in the field.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420762252.7U CN222855013U (en) | 2024-04-15 | 2024-04-15 | An activated carbon adsorption device controlled by PLC with built-in fire safety measures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420762252.7U CN222855013U (en) | 2024-04-15 | 2024-04-15 | An activated carbon adsorption device controlled by PLC with built-in fire safety measures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222855013U true CN222855013U (en) | 2025-05-13 |
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ID=95620415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420762252.7U Active CN222855013U (en) | 2024-04-15 | 2024-04-15 | An activated carbon adsorption device controlled by PLC with built-in fire safety measures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222855013U (en) |
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2024
- 2024-04-15 CN CN202420762252.7U patent/CN222855013U/en active Active
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