CN216395892U - Bed temperature abnormity processing device for activated coke/carbon desulfurization and denitrification tower - Google Patents
Bed temperature abnormity processing device for activated coke/carbon desulfurization and denitrification tower Download PDFInfo
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- CN216395892U CN216395892U CN202122536509.6U CN202122536509U CN216395892U CN 216395892 U CN216395892 U CN 216395892U CN 202122536509 U CN202122536509 U CN 202122536509U CN 216395892 U CN216395892 U CN 216395892U
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Abstract
The utility model discloses an active coke/carbon desulfurization and denitrification tower bed temperature abnormity treatment device, which comprises an air inlet pipe and an air outlet pipe which are respectively connected with a flue gas inlet and a flue gas outlet of a desulfurization and denitrification tower, wherein a communicating pipe is connected between the air inlet pipe and the air outlet pipe, a blind plate or a valve for controlling the on-off of the communicating pipe is arranged on the communicating pipe, an air inlet valve is arranged on the position, located in front of the communicating pipe, on the air inlet pipe, an air outlet valve is arranged on the position, located behind the air inlet valve, on the air outlet pipe, a nitrogen gas inflation pipe is communicated with the position, located behind the air inlet valve, on the air inlet pipe, a nitrogen gas valve is arranged on the nitrogen gas inflation pipe, and a fan is arranged on the air inlet pipe between the flue gas inlet and the communicating pipe or on the air outlet pipe between the flue gas inlet and the communicating pipe. When the temperature is abnormal in the tower, closing the air inlet valve and the exhaust valve, connecting the communicating pipe, opening the nitrogen valve to fill nitrogen in the tower, maintaining the fan to operate for a period of time, disconnecting the communicating pipe, and recovering the normal operation of the desulfurization and denitrification tower after ventilation and replacement.
Description
Technical Field
The utility model relates to an active coke/carbon desulfurization and denitrification tower bed temperature abnormity treatment device, and belongs to the technical field of matched equipment in a desulfurization and denitrification system.
Background
Currently, the activated coke/carbon desulfurization and denitrification technology is widely applied to industries such as steel, coking, electric power, metallurgy and the like, and the activated coke/carbon is used as a desulfurization adsorbent and a denitrification catalyst. The flue gas in different industries has different types, components and concentrations and different flue gas temperatures, so that the problems are greatly complicated, the abnormal temperature phenomenon of an active coke/carbon bed layer in a desulfurization and denitrification tower occasionally occurs in the operation process of the active coke/carbon desulfurization and denitrification device, the flue gas needs to be cut out when the temperature is abnormal, the corresponding desulfurization and denitrification tower is treated, and the high-temperature active coke/carbon needs to be discharged out of the tower in serious cases, so that the shutdown or load reduction of a main system is caused, the normal production of the main system is influenced, and therefore the abnormal temperature of the bed layer needs to be treated in the shortest time as possible, and the operation is put into production; in addition, the high-temperature active coke/carbon is discharged outside the tower and is contacted with a large amount of air, and the combustion is easy to occur, so the method has large loss on the active coke/carbon, large manual workload and high cost. Therefore, an apparatus capable of rapidly treating the temperature abnormality of the bed layer of the activated coke/carbon desulfurization and denitrification tower is urgently needed.
Disclosure of Invention
The utility model aims to provide a device for processing the bed temperature abnormity of an active coke/carbon desulfurization and denitrification tower, which is used for rapidly processing the phenomenon of the bed temperature abnormity of the active coke/carbon desulfurization and denitrification tower.
The utility model adopts the following technical scheme: the utility model provides an active burnt/charcoal SOx/NOx control tower bed temperature anomaly treatment device, it is including connecting intake pipe and the blast pipe on SOx/NOx control tower's flue gas inlet and flue gas vent respectively, be connected with communicating pipe between intake pipe and the blast pipe, communicating pipe is used for communicating intake pipe and blast pipe, is equipped with blind plate or the valve of control communicating pipe break-make on communicating pipe, along the flue gas flow direction, be equipped with the admission valve in the position before being located communicating pipe in the intake pipe, be equipped with discharge valve on the position after being located communicating pipe on the blast pipe, it has the nitrogen gas filling tube to be located the intercommunication in the position after the admission valve in the intake pipe, be equipped with the nitrogen gas valve on the nitrogen gas filling tube, be equipped with the fan in the intake pipe between flue gas inlet and communicating pipe or on the blast pipe between flue gas vent and communicating pipe.
When the fan is arranged on the exhaust pipe, the nitrogen gas charging pipe is arranged on the gas inlet pipe between the gas inlet valve and the communicating pipe.
When the fan is arranged on the air inlet pipe, the nitrogen gas inflation pipe is arranged on the air inlet pipe between the smoke gas inlet and the fan exhaust port.
The air inlet valve and the air outlet valve adopt gate valves or three-eccentric butterfly valves or double-layer air seal baffle valves.
The communicating pipe is connected with a testing pipe with a valve.
The utility model has the beneficial effects that: when the activated coke/carbon desulfurization and denitrification tower normally operates, closing the nitrogen valve, disconnecting the communicating pipe, opening the air inlet valve and the exhaust valve, and discharging the flue gas after the flue gas enters the tower body and is purified by the activated coke/carbon; when single or multiple temperature abnormalities appear in a single or multiple desulfurization and denitrification towers, an air inlet valve and an exhaust valve are closed, a communicating pipe is connected, a nitrogen valve is opened, nitrogen is filled into the desulfurization and denitrification towers by nitrogen from a pipe network, a fan is maintained to operate, the operation is circulated for a plurality of hours, the oxygen concentration and the CO concentration in the circulating nitrogen are detected every hour, when the oxygen concentration is controlled to be below 1 percent, the CO concentration is reduced to 0, the communicating pipe is disconnected, the desulfurization and denitrification towers are ventilated and replaced, the oxygen concentration and the CO concentration are tested to be qualified and then enter the towers to check the conditions in the towers and are cleaned as required, and the normal operation of the desulfurization and denitrification towers is recovered. The method has the advantages of short time for treating the abnormal temperature in the desulfurization and denitrification tower, no need of discharging high-temperature active coke/carbon outside the tower, high safety coefficient in the operation process, small manual workload and greatly reduced cost. The fan is suitable for use before the flue gas enters the tower or after the flue gas is discharged from the tower.
Preferably, the air inlet valve or the air outlet valve is a gate valve, a triple eccentric butterfly valve, a double-layer gas seal baffle door or the like which can realize zero leakage, and nitrogen leakage in the nitrogen filling process is avoided.
Preferably, a valve on the test tube can be opened to allow rapid detection through the test tube before the oxygen and CO concentrations in the circulating nitrogen are detected.
Drawings
FIG. 1 is a schematic view of a bed temperature abnormality treatment apparatus for an activated coke/char desulfurization and denitrification tower in example 1 of the present invention;
FIG. 2 is a schematic view of a device for treating temperature abnormality of the bed layer of the activated coke/char desulfurization/denitrification tower in example 2 of the present invention.
In the figure: 1-air inlet pipe, 11-air inlet valve, 2-air outlet pipe, 21-air outlet valve, 3-communicating pipe, 31-blind plate, 4-nitrogen gas charging pipe, 41-nitrogen gas valve, 5-blower and 6-testing pipe.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments.
Example 1:
as shown in fig. 1, the device for processing abnormal bed temperature of an activated coke/carbon desulfurization and denitrification tower of the present embodiment comprises an air inlet pipe 1 and an air outlet pipe 2 respectively connected to a flue gas inlet and a flue gas outlet of the desulfurization and denitrification tower, a communicating pipe 3 connected between the air inlet pipe 1 and the air outlet pipe 2, the communicating pipe 3 for communicating the air inlet pipe 1 with the air outlet pipe 2, a blind plate 31 arranged on the communicating pipe 2 for controlling the on-off of the communicating pipe, an air inlet valve 11 arranged on the air inlet pipe 1 at a position in front of the communicating pipe 3, an air outlet valve 21 arranged on the air outlet pipe 2 at a position behind the communicating pipe 3, the air inlet valve 11 and the air outlet valve 21 being gate valves, a nitrogen gas filling pipe 4 communicated with the air inlet pipe 1 at a position behind the air inlet valve 11, and a nitrogen gas valve 41 arranged on the nitrogen gas filling pipe 4, in the present embodiment, a fan 5 arranged on the air outlet pipe 2 between the flue gas outlet and the communicating pipe 3, nitrogen gas charge pipe 4 is provided on intake pipe 1 between intake valve 11 and communicating pipe 3. And the communicating pipe 3 is connected with a testing pipe 4 with a valve.
Example 2:
as shown in fig. 2, the device for processing abnormal bed temperature of an activated coke/carbon desulfurization and denitrification tower of the present embodiment comprises an air inlet pipe 1 and an air outlet pipe 2 respectively connected to a flue gas inlet and a flue gas outlet of the desulfurization and denitrification tower, a communicating pipe 3 connected between the air inlet pipe 1 and the air outlet pipe 2, the communicating pipe 3 for communicating the air inlet pipe 1 with the air outlet pipe 2, a blind plate 31 arranged on the communicating pipe 2 for controlling the on-off of the communicating pipe, an air inlet valve 11 arranged on the air inlet pipe 1 at a position in front of the communicating pipe 3, an air outlet valve 21 arranged on the air outlet pipe 2 at a position behind the communicating pipe 3, the air inlet valve 11 and the air outlet valve 21 being gate valves, a nitrogen gas filling pipe 4 communicated with the air inlet pipe 1 at a position behind the air inlet valve 11, and a nitrogen gas valve 41 arranged on the nitrogen gas filling pipe 4, in the present embodiment, a fan 5 arranged on the air inlet pipe 1 between the flue gas inlet and the communicating pipe 3, the nitrogen gas charging pipe 4 is arranged on the gas inlet pipe 1 between the flue gas inlet and the air outlet of the fan. And the communicating pipe 3 is connected with a testing pipe 4 with a valve.
When the activated coke/carbon desulfurization and denitrification tower normally operates, the nitrogen valve 41 is closed, the communicating pipe 3 is disconnected, the air inlet valve 11 and the exhaust valve 21 are opened, and the flue gas enters the tower body and is purified by the activated coke/carbon and then is discharged; when single or a plurality of temperature are unusual in single or many SOx/NOx control towers, close admission valve 11 and discharge valve 21, tear down blind plate 31 and put through communicating pipe 3, open nitrogen gas valve 41, the pipe network comes nitrogen gas to fill nitrogen in the SOx/NOx control tower, maintain fan 5 operation, circulate a plurality of hours, detect oxygen concentration and CO concentration in the circulating nitrogen gas every hour, valve that can open on the test tube during detection detects through the test tube, control below 1% when oxygen concentration, CO concentration drops to 0, disconnect communicating pipe 3, ventilate the SOx/NOx control tower and replace, oxygen concentration and CO concentration go into the tower inspection tower condition and clear up as required after the test is qualified, resume SOx/NOx control tower normal operating. The method has the advantages of short time for treating the abnormal temperature in the desulfurization and denitrification tower, no need of discharging high-temperature active coke/carbon outside the tower, high safety coefficient in the operation process, small manual workload and greatly reduced cost. The fan is suitable for use before the flue gas enters the tower or after the flue gas is discharged from the tower.
In other embodiments of the utility model, the blind plate on the communicating pipe can be replaced by a valve, and the on-off of the communicating pipe is controlled by the valve.
In other embodiments of the utility model, the intake valve and the exhaust valve can also be three-eccentric butterfly valves or double-layer gas seal baffle valves, and any valve can be used as long as zero leakage can be realized, so that nitrogen leakage in the nitrogen charging process is avoided.
The foregoing embodiments and description have been provided merely to illustrate the principles of the utility model and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an unusual processing apparatus of active burnt/charcoal SOx/NOx control tower bed temperature, its characterized in that is including connecting intake pipe and blast pipe on SOx/NOx control tower's flue gas inlet and flue gas vent respectively: be connected with communicating pipe between intake pipe and the blast pipe, communicating pipe is used for intake pipe and blast pipe intercommunication, be equipped with blind plate or the valve of control communicating pipe break-make on communicating pipe, along the flue gas flow direction, be equipped with the admission valve in the position that lies in before communicating pipe in the intake pipe, be equipped with discharge valve on the position that lies in after communicating pipe on the blast pipe, it has the nitrogen gas-filled tube to lie in the intercommunication in the position after the admission valve in the intake pipe, be equipped with the nitrogen gas valve on the nitrogen gas-filled tube, be equipped with the fan on the intake pipe between flue gas air inlet and communicating pipe or on the blast pipe between flue gas vent and the communicating pipe.
2. The device for processing the bed temperature abnormality of the activated coke/carbon desulfurization and denitrification tower according to claim 1, wherein: when the fan is arranged on the exhaust pipe, the nitrogen gas charging pipe is arranged on the gas inlet pipe between the gas inlet valve and the communicating pipe.
3. The device for processing the bed temperature abnormality of the activated coke/carbon desulfurization and denitrification tower according to claim 1, wherein: when the fan is arranged on the air inlet pipe, the nitrogen gas inflation pipe is arranged on the air inlet pipe between the smoke gas inlet and the fan exhaust port.
4. The device for processing the bed temperature abnormality of the activated coke/carbon desulfurization and denitrification tower according to claim 1, wherein: the air inlet valve and the air outlet valve adopt gate valves or three-eccentric butterfly valves or double-layer air seal baffle valves.
5. The device for processing the bed temperature abnormality of the activated coke/carbon desulfurization and denitrification tower according to claim 1, wherein: the communicating pipe is connected with a testing pipe with a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122536509.6U CN216395892U (en) | 2021-10-21 | 2021-10-21 | Bed temperature abnormity processing device for activated coke/carbon desulfurization and denitrification tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122536509.6U CN216395892U (en) | 2021-10-21 | 2021-10-21 | Bed temperature abnormity processing device for activated coke/carbon desulfurization and denitrification tower |
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| Publication Number | Publication Date |
|---|---|
| CN216395892U true CN216395892U (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122536509.6U Active CN216395892U (en) | 2021-10-21 | 2021-10-21 | Bed temperature abnormity processing device for activated coke/carbon desulfurization and denitrification tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216395892U (en) |
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2021
- 2021-10-21 CN CN202122536509.6U patent/CN216395892U/en active Active
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