CN212336237U - An automatic management system for ground rainwater or sewage in a petrochemical plant area - Google Patents
An automatic management system for ground rainwater or sewage in a petrochemical plant area Download PDFInfo
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- CN212336237U CN212336237U CN202021926786.7U CN202021926786U CN212336237U CN 212336237 U CN212336237 U CN 212336237U CN 202021926786 U CN202021926786 U CN 202021926786U CN 212336237 U CN212336237 U CN 212336237U
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- 239000010865 sewage Substances 0.000 title claims abstract description 196
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000004062 sedimentation Methods 0.000 claims abstract description 26
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- 239000007788 liquid Substances 0.000 description 9
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Abstract
一种石油化工厂厂区地面雨水或污水自动管理系统，一PLC控制器分别与一远传湿度检测仪、一远传水质分析仪和一继电器电性相连；该继电器分别与一污水沉降池进水电动阀和一市政污水管网进水电动阀电性相连。该系统将重污染雨水与轻污染雨水进行区分，将重污染污水与轻污染污水进行区分，分别输送到不同的场所进行处理，一方面，减少了污水处理厂的负荷，另一方面，防止了对市政污水管网内的污水的进一步污染。
An automatic management system for ground rainwater or sewage in a petrochemical plant area. A PLC controller is electrically connected with a remote humidity detector, a remote water quality analyzer and a relay; the relays are respectively connected with a sewage sedimentation tank for water inlet. The electric valve is electrically connected to a water inlet electric valve of a municipal sewage pipe network. The system distinguishes heavily polluted rainwater from lightly polluted rainwater, and separates heavily polluted sewage from lightly polluted sewage, and transports them to different places for treatment. On the one hand, it reduces the load of the sewage treatment plant, on the other hand, it prevents Further pollution of sewage in the municipal sewage network.
Description
Technical Field
The utility model relates to a sewage treatment, concretely relates to petrochemical plant factory ground rainwater or sewage automatic management system.
Background
The ground of the petrochemical plant area is often polluted by chemical substances, at the early stage of raining, a large amount of chemical substances remained on the ground are dissolved or mixed in rainwater, so that the rainwater is heavily polluted to become heavily polluted rainwater, and at the middle and later stages of raining, a small amount of chemical substances remained on the ground are dissolved or mixed in the rainwater, so that the rainwater is lightly polluted to become lightly polluted rainwater. At present, when a petrochemical plant treats plant ground rainwater, heavily polluted rainwater and lightly polluted rainwater are not distinguished, but the plant ground rainwater is collected and conveyed to a sewage treatment device to be treated as sewage, or the plant ground rainwater is collected and conveyed to a municipal rainwater drainage system.
In the petrochemical plant, sometimes a large amount of sewage that produces because of handling the production accident discharges the factory floor to, sometimes discharge the factory floor to because of handling a large amount of sewage that the unexpected accident produced that disappears, and these factory floor sewage do not distinguish heavy pollution sewage and light pollution sewage, or collect and carry sewage treatment plant, handle as sewage, or collect and carry municipal rainwater discharge system.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve current petrochemical plant factory ground rainwater or sewage and do not distinguish heavy pollution rainwater or sewage and light pollution rainwater or the technical problem that sewage just goes on handling, provide a petrochemical plant factory ground rainwater or sewage automatic management system.
The utility model discloses a petrochemical plant factory ground rainwater or sewage automatic management system, its characterized in that has:
a ground polluted rainwater and ground sewage inlet main pipe, a first ground polluted rainwater and ground sewage inlet branch pipe, a second ground polluted rainwater and ground sewage inlet branch pipe, a first ground polluted rainwater and ground sewage outlet branch pipe, a second ground polluted rainwater and ground sewage outlet branch pipe, a sewage sedimentation tank water inlet electric valve, a municipal sewage pipe network water inlet electric valve and a sewage sedimentation tank;
one end of the ground polluted rainwater and ground sewage inlet main pipe is connected with a ground polluted rainwater and ground sewage collecting pipe network of a petrochemical plant area, and the other end of the ground polluted rainwater and ground sewage inlet main pipe is connected with one end of the first ground polluted rainwater and ground sewage inlet branch pipe and one end of the second ground polluted rainwater and ground sewage inlet branch pipe;
the inlet of the sewage sedimentation tank water inlet electric valve is connected with the other end of the first ground polluted rainwater and ground sewage inlet branch pipe, and the outlet of the sewage sedimentation tank water inlet electric valve is connected with one end of the first ground polluted rainwater and ground sewage outlet branch pipe;
the inlet of the municipal sewage pipe network water inlet electric valve is connected with the other end of the second ground polluted rainwater and ground sewage inlet branch pipe, and the outlet of the municipal sewage pipe network water inlet electric valve is connected with one end of the second ground polluted rainwater and ground sewage outlet branch pipe;
the other end of the first ground polluted rainwater and ground sewage outlet branch pipe is connected with the sewage sedimentation tank;
the other end of the second ground polluted rainwater and ground sewage outlet branch pipe is connected with a municipal sewage pipe network;
this petrochemical plant factory ground rainwater or sewage automatic management system still has:
a PLC controller, a remote-transmission humidity detector, a remote-transmission water quality analyzer and a relay;
the PLC is respectively and electrically connected with the remote-transmission humidity detector, the remote-transmission water quality analyzer and the relay;
the relay is electrically connected with the water inlet electric valve of the sewage settling tank and the water inlet electric valve of the municipal sewage pipe network respectively.
The utility model discloses a petrochemical plant factory ground rainwater or sewage automatic management system, it distinguishes heavy pollution rainwater and light pollution rainwater, it distinguishes heavy pollution sewage and light pollution sewage, carry different places respectively and handle, on the one hand, light pollution rainwater and light pollution sewage are not carried sewage treatment plant and are handled, the load of sewage treatment plant has been reduced, on the other hand, heavy pollution rainwater and heavy pollution sewage are not carried municipal sewage pipe network, the further pollution to the sewage in the municipal sewage pipe network has been prevented.
Drawings
FIG. 1 is a schematic structural diagram of an automatic management system for rainwater or sewage on the ground of a petrochemical plant.
Detailed Description
The following description will be made in conjunction with the accompanying drawings, in order to further explain the embodiments of the automatic management system for ground rainwater or sewage in a petrochemical plant, and the features and advantages of the automatic management system for ground rainwater or sewage in a petrochemical plant will become more apparent.
The utility model discloses petrochemical plant factory ground rainwater or sewage automatic management system are shown in fig. 1, have a ground pollution rainwater and ground sewage entering house steward 1, a ground pollution rainwater and ground sewage import branch pipe 11, a ground pollution rainwater and ground sewage import branch pipe 12, a ground pollution rainwater and ground sewage export branch pipe 13, a ground pollution rainwater and ground sewage export branch pipe 14, a sewage sedimentation tank motorised valve 6 that intakes, a municipal sewer pipe network motorised valve 7 and a sewage sedimentation tank 2 of intaking.
One end of the ground-polluted rainwater and ground-sewage inlet main pipe 1 is connected to a ground-polluted rainwater and ground-sewage collecting pipe network of a petrochemical plant area as indicated by a large arrow, and the other end is connected to one ends of the ground-polluted rainwater and ground-sewage inlet branch pipes 11 and the ground-polluted rainwater and ground-sewage inlet branch pipes 12.
The inlet of the sewage sedimentation tank water inlet electric valve 6 is connected with the other end of the ground polluted rainwater and ground sewage inlet branch pipe 11, and the outlet is connected with one end of the ground polluted rainwater and ground sewage outlet branch pipe 13.
The inlet of the municipal sewage pipe network water inlet electric valve 7 is connected with the other end of the ground polluted rainwater and ground sewage inlet branch pipe 12, and the outlet is connected with one end of the ground polluted rainwater and ground sewage outlet branch pipe 14.
The other end of the ground polluted rainwater and ground sewage outlet branch pipe 13 is connected with the sewage sedimentation tank 2.
The other end of the ground polluted rainwater and ground sewage outlet branch pipe 14 is connected to a municipal sewage pipe network as indicated by the large arrow.
The sewage settling tank 2 is provided with an overflow wall 21. A filter screen 22 is fixedly arranged at the overflow port on the overflow wall 21.
As shown in figure 1, the automatic management system for ground rainwater or sewage in a petrochemical plant area of the utility model is also provided with a centrifugal pump 3. The inlet of the centrifugal pump 3 is connected with one end of a centrifugal pump inlet pipeline 15, the outlet is connected with one end of a centrifugal pump outlet pipeline 16, the other end of the centrifugal pump inlet pipeline 15 extends into the bottom pit of the sewage sedimentation tank 2 from the upper part of the sewage sedimentation tank 2, and the other end of the centrifugal pump outlet pipeline 16 is connected with a sewage treatment plant pipe network shown by a large arrow.
A check valve 31, a shut-off valve 32 and a pressure gauge 9 are mounted on the centrifugal pump outlet line 16.
A remote moisture detector 51 is provided in the petrochemical plant site.
A remote water quality analyzer 52 is installed on the ground polluted rainwater and the ground sewage inlet main pipe 1.
A remote ultrasonic liquid level meter 53 is arranged above the sewage sedimentation tank 2.
A PLC controller 5 is electrically connected to the remote humidity detector 51, the remote water quality analyzer 52, the remote ultrasonic level meter 53 and a relay 8, respectively.
The relay 8 is respectively electrically connected with the water inlet electric valve 6 of the sewage sedimentation tank, the municipal sewage pipe network water inlet electric valve 7 and the motor of the centrifugal pump 3.
The utility model discloses petrochemical factory ground rainwater or sewage automatic management system's operation as follows:
as shown in fig. 1, during raining, the remote humidity detector 51 converts the detected corresponding humidity value into a 24V digital signal and sends the 24V digital signal to the PLC controller 5, the PLC sends the 24V digital signal to the relay 8 according to a logic program, the relay 8 controls to open the electric valve 6 for water intake of the sewage settling tank, the electric valve 7 for water intake of the municipal sewage pipe network is closed, and the ground polluted rainwater in the petrochemical plant area and the heavily polluted rainwater in the ground sewage collecting pipe network enter the main pipe 1, the ground polluted rainwater and ground sewage inlet branch pipe 11, the electric valve 6 for water intake of the sewage settling tank and the ground polluted rainwater and ground sewage outlet branch pipe 13 into the sewage settling tank 2 through the ground polluted rainwater and the ground sewage.
And when the relay 8 controls the opening of the water inlet electric valve 6 of the sewage sedimentation tank and the closing of the municipal sewage pipe network water inlet electric valve 7, the PLC delay logic control automatically starts, and after 15 minutes of delay, a 24V digital signal with delay time meeting is generated and stored.
Meanwhile, the remote water quality analyzer 52 detects harmful chemical components contained in heavily polluted rainwater that flows through the ground polluted rainwater and the ground sewage into the main pipe 1 in real time, converts the detected real-time harmful chemical component values into 24V digital signals and sends the 24V digital signals to the PLC controller 5, and when the detected real-time harmful chemical component values are lower than a set value, the PLC stores the corresponding 24V digital signals according to a logic program.
When the 24V digital signal which has the delay time met and the 24V digital signal corresponding to the real-time harmful chemical component value lower than the set value are both provided, an AND gate 24V digital signal is generated, the PLC sends the AND gate 24V digital signal to the relay 8 according to a logic program, the relay 8 controls to open the electric valve 7 for water inlet of the municipal sewage pipe network and close the electric valve 6 for water inlet of the sewage sedimentation tank, and the electric valve 7 for water inlet of the municipal sewage pipe network and the light polluted rainwater in the ground sewage pipe network enter the municipal sewage pipe network through the ground polluted rainwater and the ground sewage inlet main pipe 1, the ground polluted rainwater and the ground sewage inlet branch pipe 12, the electric valve 7 for water inlet of the municipal sewage pipe network and the ground polluted rainwater and the ground sewage outlet branch pipe 14.
As shown in fig. 1, when a large amount of sewage generated by processing a production accident is discharged to the ground of a plant area or a large amount of sewage generated by processing a sudden accident to fight fire is discharged to the ground of the plant area, the petrochemical plant ground polluted rainwater and the sewage in the ground sewage collecting pipe network enter the ground polluted rainwater and the ground sewage entering the main pipe 1, the remote transmission water quality analyzer 52 detects harmful chemical components contained in the sewage entering the ground polluted rainwater and the ground sewage entering the main pipe 1, converts the detected harmful chemical component values into 24V digital signals and sends the 24V digital signals to the PLC controller 5, when the detected harmful chemical component values exceed a set value, the sewage entering the ground polluted rainwater and the ground sewage entering the main pipe 1 is heavily polluted sewage, the PLC sends corresponding 24V digital signals to the relay 8 according to a logic program, and controls to open the electric valve 6 for sewage sedimentation tank water inlet through the relay 8, closing the electric water inlet valve 7 of the municipal sewage pipe network, and allowing ground polluted rainwater in the petrochemical plant area and heavily polluted sewage in the ground sewage collecting pipe network to enter the main pipe 1, the ground polluted rainwater and ground sewage inlet branch pipes 11, the electric water inlet valve 6 of the sewage sedimentation tank and the ground polluted rainwater and ground sewage outlet branch pipes 13 into the sewage sedimentation tank 2; when the detected harmful chemical component value is lower than a set value, the sewage entering the main pipe 1 is indicated to be light-polluted sewage, the PLC sends a corresponding 24V digital signal to the relay 8 according to a logic program, the relay 8 controls to open the electric water inlet valve 7 of the municipal sewage pipe network, the electric water inlet valve 6 of the sewage sedimentation tank is closed, and the ground-polluted rainwater in the petrochemical plant area and the light-polluted sewage in the ground sewage collecting pipe network enter the main pipe 1, the ground-polluted rainwater and ground sewage inlet branch pipe 12, the electric water inlet valve 7 of the municipal sewage pipe network, the ground-polluted rainwater and ground sewage outlet branch pipe 14 into the municipal sewage pipe network.
Heavily polluted rainwater or heavily polluted sewage enters the sewage settling tank 2, settling is performed in the tank at the upstream of the overflow wall 21, silt sinks to the bottom of the tank, the sewage level substantially free of silt rises above the top surface of the overflow wall 21, overflows into the tank at the downstream of the overflow wall 21, and floating materials on the liquid level are intercepted by the filter screen 22 and are removed at any time.
Sewage overflowing into the tank at the downstream of the overflow wall 21 flows into a bottom pit in the tank, after the centrifugal pump 3 is started, the sewage enters the centrifugal pump 3 through the centrifugal pump inlet pipeline 15, and after the pressure in the centrifugal pump 3 is increased, the sewage enters a pipe network of a sewage treatment plant through the centrifugal pump outlet pipeline 16 and is conveyed to the sewage treatment plant for treatment.
The remote ultrasonic liquid level meter 53 arranged above the sewage sedimentation tank 2 detects the sewage liquid level in the tank at the downstream of the overflow wall 21 in real time, converts the liquid level height value detected in real time into a 24V digital signal and sends the 24V digital signal to the PLC controller 5, when the liquid level height value exceeds the highest liquid level set value, the PLC sends the corresponding 24V digital signal to the relay 8 according to a logic program, the motor of the centrifugal pump 3 is controlled to start through the relay 8, when the liquid level height value is lower than the lowest liquid level set value, the PLC sends the corresponding 24V digital signal to the relay 8 according to the logic program, and the motor of the centrifugal pump 3 is controlled to stop through the relay 8.
Obviously, the utility model discloses petrochemical plant factory ground rainwater or sewage automatic management system distinguish heavily polluting rainwater and light pollution rainwater, carry different places respectively and handle, will heavily pollute sewage and distinguish lightly polluting sewage, carry different places respectively and handle, thus, on the one hand lightly pollute rainwater and lightly pollute sewage and not carried sewage treatment plant and handle, sewage treatment plant's load has been reduced, on the other hand, heavily pollute rainwater and heavily pollute sewage and not carried municipal sewage pipe network, the further pollution to the sewage in the municipal sewage pipe network has been prevented.
Claims (1)
1. An automatic management system for rainwater or sewage on the ground of a petrochemical plant area is characterized by comprising:
a ground polluted rainwater and ground sewage inlet main pipe, a first ground polluted rainwater and ground sewage inlet branch pipe, a second ground polluted rainwater and ground sewage inlet branch pipe, a first ground polluted rainwater and ground sewage outlet branch pipe, a second ground polluted rainwater and ground sewage outlet branch pipe, a sewage sedimentation tank water inlet electric valve, a municipal sewage pipe network water inlet electric valve and a sewage sedimentation tank;
one end of the ground polluted rainwater and ground sewage inlet main pipe is connected with a ground polluted rainwater and ground sewage collecting pipe network of a petrochemical plant area, and the other end of the ground polluted rainwater and ground sewage inlet main pipe is connected with one end of the first ground polluted rainwater and ground sewage inlet branch pipe and one end of the second ground polluted rainwater and ground sewage inlet branch pipe;
the inlet of the sewage sedimentation tank water inlet electric valve is connected with the other end of the first ground polluted rainwater and ground sewage inlet branch pipe, and the outlet of the sewage sedimentation tank water inlet electric valve is connected with one end of the first ground polluted rainwater and ground sewage outlet branch pipe;
the inlet of the municipal sewage pipe network water inlet electric valve is connected with the other end of the second ground polluted rainwater and ground sewage inlet branch pipe, and the outlet of the municipal sewage pipe network water inlet electric valve is connected with one end of the second ground polluted rainwater and ground sewage outlet branch pipe;
the other end of the first ground polluted rainwater and ground sewage outlet branch pipe is connected with the sewage sedimentation tank;
the other end of the second ground polluted rainwater and ground sewage outlet branch pipe is connected with a municipal sewage pipe network;
this petrochemical plant factory ground rainwater or sewage automatic management system still has:
a PLC controller, a remote-transmission humidity detector, a remote-transmission water quality analyzer and a relay;
the PLC is respectively and electrically connected with the remote-transmission humidity detector, the remote-transmission water quality analyzer and the relay;
the relay is electrically connected with the water inlet electric valve of the sewage settling tank and the water inlet electric valve of the municipal sewage pipe network respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021926786.7U CN212336237U (en) | 2020-09-07 | 2020-09-07 | An automatic management system for ground rainwater or sewage in a petrochemical plant area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021926786.7U CN212336237U (en) | 2020-09-07 | 2020-09-07 | An automatic management system for ground rainwater or sewage in a petrochemical plant area |
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| CN212336237U true CN212336237U (en) | 2021-01-12 |
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| CN202021926786.7U Active CN212336237U (en) | 2020-09-07 | 2020-09-07 | An automatic management system for ground rainwater or sewage in a petrochemical plant area |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962631A (en) * | 2020-09-07 | 2020-11-20 | 湖南凯美特气体股份有限公司 | Automatic management system for ground rainwater or sewage of petrochemical plant |
| CN114873793A (en) * | 2022-06-01 | 2022-08-09 | 浙江利化民爆股份有限公司 | A sewage treatment cycle system |
-
2020
- 2020-09-07 CN CN202021926786.7U patent/CN212336237U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962631A (en) * | 2020-09-07 | 2020-11-20 | 湖南凯美特气体股份有限公司 | Automatic management system for ground rainwater or sewage of petrochemical plant |
| CN114873793A (en) * | 2022-06-01 | 2022-08-09 | 浙江利化民爆股份有限公司 | A sewage treatment cycle system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yueyang Kaimeite Environmental Protection Co.,Ltd. Assignor: HUNAN KAIMEITE GASES CO.,LTD. Contract record no.: X2024980044880 Denomination of utility model: An automatic management system for ground rainwater or sewage in petrochemical plant areas Granted publication date: 20210112 License type: Common License Record date: 20241231 |
|
| EE01 | Entry into force of recordation of patent licensing contract |