CN111022310A - Transformation method for pump room buried tank pumpback pump control circuit - Google Patents

Transformation method for pump room buried tank pumpback pump control circuit Download PDF

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Publication number
CN111022310A
CN111022310A CN201911351898.6A CN201911351898A CN111022310A CN 111022310 A CN111022310 A CN 111022310A CN 201911351898 A CN201911351898 A CN 201911351898A CN 111022310 A CN111022310 A CN 111022310A
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China
Prior art keywords
control
drawer
button
pumpback
control cabinet
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Granted
Application number
CN201911351898.6A
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CN111022310B (en
Inventor
谭长弓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhanjiang Kehua Meters Power Co Ltd
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Zhanjiang Kehua Meters Power Co Ltd
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Priority to CN201911351898.6A priority Critical patent/CN111022310B/en
Publication of CN111022310A publication Critical patent/CN111022310A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06Control using electricity

Abstract

The invention discloses a method for improving a pump room buried tank pumpback pump control circuit, which comprises the following steps: step 1: carrying out field investigation; step 2: discussing and analyzing the original working principle; and step 3: judging the problems; and 4, step 4: a solution is proposed; and 5: drawing an electrical schematic diagram; step 6: drawing a circuit diagram; and 7: and (5) trying after the line is reformed according to the graph. This pump house buries transformation method of ground jar pumpback pump control circuit, carry out detailed investigation and record to the scene, it is incomplete to prevent that the discharge dead angle from leading to the later stage to reform transform, the original theory of operation of staff common discussion analysis, the problem that appears is judged to the accuracy, thereby the pertinence is reformed transform, make the control scheme after reforming transform can not accord with the operation and the safety requirement of maintenance to proposing completely, and draw electric schematic diagram and circuit diagram, electric maintenance person looks over when making things convenient for the later stage to go wrong, make easy maintenance, efficiency improves.

Description

Transformation method for pump room buried tank pumpback pump control circuit
Technical Field
The invention relates to the related technical field of a pumpdown pump control circuit, in particular to a method for improving a pumpdown pump control circuit of a pump room buried tank.
Background
Bury ground jar and be a horizontal container, by wide application in filling station, oil depot etc. store fuel such as petrol, diesel oil, kerosene commonly, bury ground jar and need use the pumpback to bury the liquid in the ground jar and transport, general pumpback can control through control scheme on the market, general control divide into two kinds manual and automatic operations, nevertheless because pumpback frequency is less, consequently some problems can often appear, need maintain through the circuit transformation.
However, the transformation of a general pumpback pump control circuit on the market does not carry out detailed investigation on the site, does not analyze the original working principle, and cannot accurately judge the problems, so that the transformed control circuit cannot completely meet the operation and safety requirements of maintenance on the pump, indicator lamps in a control cabinet cannot be recovered to be normal, one or two of the control cabinet and a site operation column cannot start and stop the pumpback pump, the operation of operators is inconvenient, and the like.
Disclosure of Invention
The invention aims to provide a method for improving a control circuit of a pumpback pump, which aims to solve the problems that the general pumpback pump control circuit on the market is improved in the background technology, the improved control circuit cannot completely meet the requirements of maintenance on the provided operation and safety, an indicator lamp in a control cabinet cannot be recovered to be normal, one or both of the control cabinet and a field operation column cannot start or stop the pumpback pump, the operation of an operator is inconvenient, and a complete electrical schematic diagram is not drawn, so that the electrical maintenance operator is inconvenient to maintain again.
In order to achieve the purpose, the invention provides the following technical scheme: a method for improving a pump room buried tank pumpback pump control line comprises the following steps:
step 1: carrying out field investigation;
step 2: discussing and analyzing the original working principle;
and step 3: judging the problems;
and 4, step 4: a solution is proposed;
and 5: drawing an electrical schematic diagram;
step 6: drawing a circuit diagram;
and 7: and (5) trying after the line is reformed according to the graph.
Preferably, the site survey in step 1 comprises the following steps:
a: firstly, pressing a button on a field operation column to observe the running condition of a motor, wherein when the motor does not rotate, the button on the field operation column cannot control the device to normally run, when the motor rotates, the button on the operation column can control the device to normally use, and the result is recorded on site;
b: after the control cabinet drawer is opened, a button on the control cabinet drawer is pressed, the running condition of the motor is observed, when the motor does not rotate, the button on the control cabinet drawer cannot control the device to normally run, when the motor rotates, the button on the control cabinet drawer can control the device to normally run, and the result is recorded on site;
c: observing the opening and closing conditions of an indicator lamp on a drawer of the control cabinet, and carrying out field recording;
d: and observing the cable connected with the control terminal at the rear side of the drawer to judge the use of the cable.
Preferably, when analyzing the original working principle in step 2, first inquiring about the relevant personnel, summoning the personnel for discussion and analysis, and discussing to obtain the working principle of the device, where the working principle is: the manual mode is that buttons on the spot operation column are inching to control the spot operation column, and the spot operation column cannot be operated in a control cabinet; the automatic operation is that a level sensor is placed near the pump, has liquid level digital display screen on the ground, through the cable, is in the same place with original PLC, also when the liquid level is higher than certain liquid level, PLC just signals, lets motor automatic start work (self-locking control), when the liquid level is less than another liquid level, PLC just also signals, lets the motor stall.
Preferably, when the problem is determined in step 3, the problem of the device is determined according to the field record after the field survey in step 1 and the working principle obtained in step 2, and the following results are obtained: the former PLC control system has cancelled, and present control system only is responsible for gathering the liquid level signal, does not be responsible for the operation of control motor, and specific problem is: the buttons on the field operation column can only be inching and can not normally run; the button on the control cabinet drawer is invalid; the indicator light on the drawer of the control cabinet can not display normally; the wire cores at the other ends of the two control cables connected with the control terminals at the back of the drawer are bound by adhesive tapes, so the application is not clear.
Preferably, the proposed solution in step 4 comprises the following steps:
a: for the conditions that the buttons on the field operation columns can only be inching and can not normally run, the buttons on the control cabinet drawers are invalid, and the indicating lamps on the control cabinet drawers can not normally display, the problems can be solved by a line change mode through the discussion of working personnel;
b: the other ends of the wire cores of the two control cables connected with the control terminal behind the drawer are bound by adhesive tapes, so that the purpose is not clear, and a worker decides to remove the two control cables.
Preferably, the electrical schematic diagram in the step 5 is drawn, the electrical schematic diagram after the underground tank pumpback is modified is drawn, and the specific electrical schematic diagram after the underground tank pumpback is modified is shown in an attached drawing and description figure 1.
Preferably, the step 6 of drawing the circuit diagram includes the following steps:
a: firstly, drawing a site button circuit diagram before modification, wherein the site button circuit diagram before modification is shown in an accompanying drawing description figure 2;
drawing a modified on-site button circuit diagram, wherein the specific modified on-site button circuit diagram is shown in an attached drawing description figure 3;
drawing a modified front drawer switch wiring diagram, wherein the specific modified front drawer switch wiring diagram is shown in an attached drawing description figure 4;
and d, finally drawing a modified drawer switch wiring diagram: the specific modified drawer switch wiring diagram is shown in the attached drawing and is illustrated in figure 4.
Preferably, the trial use of the line after the line is modified according to the graph in the step 7 includes the following steps:
a: firstly, reconstructing lines according to an electrical schematic diagram after reconstruction of a buried tank pumpback pump, a site button line diagram before construction, a site button line diagram after reconstruction, a drawer switch wiring diagram before reconstruction and a drawer switch wiring diagram after reconstruction;
b: after the installation is finished, a button on the field operation column is pressed, the running condition of the motor is observed, and the motor rotates, so that the success of the transformation of the button circuit on the operation column can be judged;
c: pressing a button on the control cabinet drawer, observing the running condition of the motor, and judging the success of the transformation of the button circuit on the control cabinet drawer when the motor rotates;
c: observing the opening and closing conditions of an indicator lamp on a drawer of the control cabinet, and judging that the transformation is successful when the indicator lamp is normally used;
d: all the cables work normally, and the normal use of the device is not influenced by the fact that the two cables with unknown purposes are removed.
Compared with the prior art, the invention has the beneficial effects that: according to the method for improving the pump room underground tank pumpback pump control line, detailed investigation and recording are carried out on the site, and workers discuss and analyze the original working principle together and accurately judge the problems, so that the improvement is carried out in a targeted manner, the improved control line cannot completely meet the operation and safety requirements of maintenance, and an electrical principle diagram and a circuit diagram are drawn, so that the electric maintenance personnel can check the line conveniently when the problems occur in the later period, the maintenance is convenient, and the efficiency is improved;
1. the method comprises the following steps of performing experiments and observation on site, judging whether a button on an operation column and a button on a control cabinet drawer can control a motor to rotate, whether an indicator lamp on the control cabinet drawer can be normally opened or closed, whether the purpose of a cable at the rear side of the control cabinet drawer is clear, and performing detailed recording, wherein workers discuss and analyze the original working principle and then accurately judge the reason of the problem by combining the record;
2. because the existing problems can be accurately judged, a solution can be provided in a targeted manner and can be carried out through line modification, and the method requires drawing an electrical schematic diagram and a line diagram, so that a worker can construct according to the diagram, and the problem of insufficient maintenance due to untimely communication in the maintenance process is solved;
3. when the device goes wrong later, because electric schematic diagram and circuit diagram drawing are accomplished and have the backup, then the electric maintenance workman can look over the quick position that finds the problem appearance of electric schematic diagram and circuit diagram, practices thrift maintenance duration.
Drawings
FIG. 1 is a schematic view of the overall structure of a drawer of the control cabinet according to the present invention;
FIG. 2 is an electrical schematic diagram of a modified underground tank pumpbump of the present invention;
FIG. 3 is a wiring diagram of the on-site push button of the present invention prior to modification;
FIG. 4 is a schematic diagram of a modified on-site pushbutton configuration of the present invention;
FIG. 5 is a wiring diagram of a modified front drawer switch of the present invention;
fig. 6 is a wiring diagram of a modified drawer switch of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The invention provides a technical scheme that: a method for improving a pump room buried tank pumpback pump control line comprises the following steps:
step 1: carrying out field investigation;
step 2: discussing and analyzing the original working principle;
and step 3: judging the problems;
and 4, step 4: a solution is proposed;
and 5: drawing an electrical schematic diagram;
step 6: drawing a circuit diagram;
and 7: and (5) trying after the line is reformed according to the graph.
The field survey in step 1 comprises the following steps:
a: firstly, pressing a button on a field operation column to observe the running condition of a motor, wherein when the motor does not rotate, the button on the field operation column cannot control the device to normally run, when the motor rotates, the button on the operation column can control the device to normally use, and the result is recorded on site;
b: after the control cabinet drawer is opened, a button on the control cabinet drawer is pressed, the running condition of the motor is observed, when the motor does not rotate, the button on the control cabinet drawer cannot control the device to normally run, when the motor rotates, the button on the control cabinet drawer can control the device to normally run, and the result is recorded on site;
c: observing the opening and closing conditions of an indicator lamp on a drawer of the control cabinet, and carrying out field recording;
d: observe the cable that the control terminal of drawer rear side is connected, judge the usage of cable, carry out the troubleshooting one by one to the trouble, the condition of missing the item can not appear, makes things convenient for the later stage to reform transform.
When the original working principle is discussed and analyzed in the step 2, firstly, related personnel are inquired, the staff are summoned to conduct discussion and analysis, and the working principle of the device is obtained through discussion, wherein the working principle is as follows: the manual mode is that buttons on the spot operation column are inching to control the spot operation column, and the spot operation column cannot be operated in a control cabinet; automatic operation is to place a level sensor near the pump, has liquid level digital display screen subaerial, through the cable, is in the same place with original PLC, also when the liquid level is higher than certain liquid level, PLC just signals, lets motor automatic start work (self-locking control), when the liquid level is less than another liquid level, PLC just also signals, lets the motor stall, from sending out the reason that the understanding theory of operation could accurate problem appear.
When the problem is judged in the step 3, the problem of the device is judged according to the field record after the field investigation in the step 1 and the working principle obtained in the step 2, and the following results are obtained: the former PLC control system has cancelled, and present control system only is responsible for gathering the liquid level signal, does not be responsible for the operation of control motor, and specific problem is: the buttons on the field operation column can only be inching and can not normally run; the button on the control cabinet drawer is invalid; the indicator light on the drawer of the control cabinet can not display normally; the other end wire cores of two control cables connected with the control terminals on the back of the drawer are bound by adhesive tapes, so that the use is unclear, and the problems can be accurately found according to the full understanding of the working principle and the field condition.
The proposed solution in step 4 comprises the following steps:
a: for the conditions that the buttons on the field operation columns can only be inching and can not normally run, the buttons on the control cabinet drawers are invalid, and the indicating lamps on the control cabinet drawers can not normally display, the problems can be solved by a line change mode through the discussion of working personnel;
b: to the drawer control terminal behind two control cable's that connect other end sinle silk is wrapped with the adhesive tape, and the usage is unclear, and these two control cable are withdrawed in the staff decision, and the solution is proposed to the pertinence, makes the transformation more thorough.
And (5) drawing an electrical schematic diagram in the step (5), drawing an electrical schematic diagram after the underground tank pumpback is transformed, and specifically, the electrical schematic diagram after the underground tank pumpback is transformed is shown in an accompanying drawing explanatory diagram 1, so that the electrical schematic diagram can be conveniently checked in the later stage, and maintenance personnel can conveniently maintain the underground tank pumpback.
The step 6 of drawing the circuit diagram comprises the following steps:
a: firstly, drawing a site button circuit diagram before modification, wherein the site button circuit diagram before modification is shown in an accompanying drawing description figure 2;
drawing a modified on-site button circuit diagram, wherein the specific modified on-site button circuit diagram is shown in an attached drawing description figure 3;
drawing a modified front drawer switch wiring diagram, wherein the specific modified front drawer switch wiring diagram is shown in an attached drawing description figure 4;
and d, finally drawing a modified drawer switch wiring diagram: the specific modified drawer switch wiring diagram is shown in an accompanying drawing description figure 4, so that the wiring diagram can be conveniently checked, and maintenance of maintenance personnel is facilitated.
The trial after the line is reformed according to the graph in the step 7 comprises the following steps:
a: firstly, reconstructing lines according to an electrical schematic diagram after reconstruction of a buried tank pumpback pump, a site button line diagram before construction, a site button line diagram after reconstruction, a drawer switch wiring diagram before reconstruction and a drawer switch wiring diagram after reconstruction;
b: after the installation is finished, a button on the field operation column is pressed, the running condition of the motor is observed, and the motor rotates, so that the success of the transformation of the button circuit on the operation column can be judged;
c: pressing a button on the control cabinet drawer, observing the running condition of the motor, and judging the success of the transformation of the button circuit on the control cabinet drawer when the motor rotates;
c: observing the opening and closing conditions of an indicator lamp on a drawer of the control cabinet, and judging that the transformation is successful when the indicator lamp is normally used;
d: all work is normal, can judge that two cable control cables that the usage is unknown are removed and do not influence the device's normal use, prevent not leading to the later stage problem that causes personnel's injury through direct use after detecting.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The transformation method of the pump room buried tank pumpback pump control line is characterized in that: the recovery method comprises the following steps:
step 1: carrying out field investigation;
step 2: discussing and analyzing the original working principle;
and step 3: judging the problems;
and 4, step 4: a solution is proposed;
and 5: drawing an electrical schematic diagram;
step 6: drawing a circuit diagram;
and 7: and (5) trying after the line is reformed according to the graph.
2. The method for improving the control line of the pumpback buried tank pump according to claim 1, characterized in that: the field survey in step 1 comprises the following steps:
a: firstly, pressing a button on a field operation column to observe the running condition of a motor, wherein when the motor does not rotate, the button on the field operation column cannot control the device to normally run, when the motor rotates, the button on the operation column can control the device to normally use, and the result is recorded on site;
b: after the control cabinet drawer is opened, a button on the control cabinet drawer is pressed, the running condition of the motor is observed, when the motor does not rotate, the button on the control cabinet drawer cannot control the device to normally run, when the motor rotates, the button on the control cabinet drawer can control the device to normally run, and the result is recorded on site;
c: observing the opening and closing conditions of an indicator lamp on a drawer of the control cabinet, and carrying out field recording;
d: and observing the cable connected with the control terminal at the rear side of the drawer to judge the use of the cable.
3. The method for improving the control line of the pumpback buried tank pump according to claim 1, characterized in that: when the original working principle is discussed and analyzed in the step 2, firstly, related personnel are inquired, the staff are summoned to conduct discussion and analysis, and the working principle of the device is obtained through discussion, wherein the working principle is as follows: the manual mode is that buttons on the spot operation column are inching to control the spot operation column, and the spot operation column cannot be operated in a control cabinet; the automatic operation is that a level sensor is placed near the pump, has liquid level digital display screen on the ground, through the cable, is in the same place with original PLC, also when the liquid level is higher than certain liquid level, PLC just signals, lets motor automatic start work (self-locking control), when the liquid level is less than another liquid level, PLC just also signals, lets the motor stall.
4. The method for improving the control line of the pumpback buried tank pump according to claim 1, characterized in that: when the problem is judged in the step 3, the problem of the device is judged according to the field record obtained after the field investigation in the step 1 and the working principle obtained in the step 2, and the following results are obtained: the former PLC control system has cancelled, and present control system only is responsible for gathering the liquid level signal, does not be responsible for the operation of control motor, and specific problem is: the buttons on the field operation column can only be inching and can not normally run; the button on the control cabinet drawer is invalid; the indicator light on the drawer of the control cabinet can not display normally; the wire cores at the other ends of the two control cables connected with the control terminals at the back of the drawer are bound by adhesive tapes, so the application is not clear.
5. The method for improving the control line of the pumpback buried tank pump according to claim 1, characterized in that: the proposed solution in said step 4 comprises the following steps:
a: for the conditions that the buttons on the field operation columns can only be inching and can not normally run, the buttons on the control cabinet drawers are invalid, and the indicating lamps on the control cabinet drawers can not normally display, the problems can be solved by a line change mode through the discussion of working personnel;
b: the other ends of the wire cores of the two control cables connected with the control terminal behind the drawer are bound by adhesive tapes, so that the purpose is not clear, and a worker decides to remove the two control cables.
6. The method for improving the control line of the pumpback buried tank pump according to claim 1, characterized in that: and (5) drawing an electrical schematic diagram in the step (5), drawing an electrical schematic diagram after the underground tank pumpback is transformed, wherein the electrical schematic diagram after the underground tank pumpback is transformed is shown in an accompanying drawing and description diagram 1.
7. The method for improving the control line of the pumpback buried tank pump according to claim 1, characterized in that: the step 6 of drawing the circuit diagram comprises the following steps:
a: firstly, drawing a site button circuit diagram before modification, wherein the site button circuit diagram before modification is shown in an accompanying drawing description figure 2;
drawing a modified on-site button circuit diagram, wherein the specific modified on-site button circuit diagram is shown in an attached drawing description figure 3;
drawing a modified front drawer switch wiring diagram, wherein the specific modified front drawer switch wiring diagram is shown in an attached drawing description figure 4;
and d, finally drawing a modified drawer switch wiring diagram: the specific modified drawer switch wiring diagram is shown in the attached drawing and is illustrated in figure 4.
8. The method for improving the control line of the pumpback buried tank pump according to claim 1, characterized in that: the trial after the line is reconstructed according to the graph in the step 7 comprises the following steps:
a: firstly, reconstructing lines according to an electrical schematic diagram after reconstruction of a buried tank pumpback pump, a site button line diagram before construction, a site button line diagram after reconstruction, a drawer switch wiring diagram before reconstruction and a drawer switch wiring diagram after reconstruction;
b: after the installation is finished, a button on the field operation column is pressed, the running condition of the motor is observed, and the motor rotates, so that the success of the transformation of the button circuit on the operation column can be judged;
c: pressing a button on the control cabinet drawer, observing the running condition of the motor, and judging the success of the transformation of the button circuit on the control cabinet drawer when the motor rotates;
c: observing the opening and closing conditions of an indicator lamp on a drawer of the control cabinet, and judging that the transformation is successful when the indicator lamp is normally used;
d: all the cables work normally, and the normal use of the device is not influenced by the fact that the two cables with unknown purposes are removed.
CN201911351898.6A 2019-12-25 2019-12-25 Transformation method for pump room buried tank pumpback pump control line Active CN111022310B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201103551Y (en) * 2007-11-06 2008-08-20 陕西天程石化设备有限公司 Controller for pump-controlled pump pressure flow adjustable automatic water injector
CN105573243A (en) * 2016-03-18 2016-05-11 上海电机学院 Pump station monitoring system based on PLC
CN205330943U (en) * 2016-01-22 2016-06-22 北京金控数据技术股份有限公司 Energy -saving control cabinet of pump house
CN206329478U (en) * 2016-12-30 2017-07-14 潍坊力德电器有限公司 A kind of pump house blowdown long distance control system
CN206922507U (en) * 2017-06-29 2018-01-23 甘肃华兴石油工程有限责任公司 A kind of intelligent integrated switch board
CN107989782A (en) * 2017-12-24 2018-05-04 洛阳格林环保工程有限公司 A kind of general service pump across-the-line starting control device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201103551Y (en) * 2007-11-06 2008-08-20 陕西天程石化设备有限公司 Controller for pump-controlled pump pressure flow adjustable automatic water injector
CN205330943U (en) * 2016-01-22 2016-06-22 北京金控数据技术股份有限公司 Energy -saving control cabinet of pump house
CN105573243A (en) * 2016-03-18 2016-05-11 上海电机学院 Pump station monitoring system based on PLC
CN206329478U (en) * 2016-12-30 2017-07-14 潍坊力德电器有限公司 A kind of pump house blowdown long distance control system
CN206922507U (en) * 2017-06-29 2018-01-23 甘肃华兴石油工程有限责任公司 A kind of intelligent integrated switch board
CN107989782A (en) * 2017-12-24 2018-05-04 洛阳格林环保工程有限公司 A kind of general service pump across-the-line starting control device

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