CN108181941A - A kind of long distance gas pipeline hydrops removes collection device and control method automatically - Google Patents
A kind of long distance gas pipeline hydrops removes collection device and control method automatically Download PDFInfo
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- CN108181941A CN108181941A CN201810005279.0A CN201810005279A CN108181941A CN 108181941 A CN108181941 A CN 108181941A CN 201810005279 A CN201810005279 A CN 201810005279A CN 108181941 A CN108181941 A CN 108181941A
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- liquid level
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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Abstract
The present invention relates to a kind of long distance gas pipeline hydrops to remove collection device and control method automatically, the accumulated liquid of natural gas pipeline removes collection device and includes collecting pipe, separator tube, delivery pipe, liquid level sensor, buffer tank, pump, above-ground storage tank, breather valve, multiple electrically operated valves and control system automatically, and the buffer tank is mainly made of rectangular tank and valve and liquid level sensor.The present invention also provides the control methods that the accumulated liquid of natural gas pipeline removes collection device automatically.The pipeline hydrops of the present invention removes collection device system automatically can not only realize the passive control that dependent response is made by monitoring modular (liquid level sensor) monitoring data, but also can reach active control by being manually entered prediction data.The configuration of the present invention is simple, reasonable design, easy to use, regulating power is strong, applied widely.
Description
Technical field
The present invention relates to a kind of long distance gas pipeline hydrops to remove collection device and control method automatically, with belonging to oil gas
The long transferring technology in face and security fields.
Background technology
Natural gas generally use long distance pipeline in long-distance sand transport transports, and in the process of development, water electrode is easy natural gas
It is mixed into natural gas, yard separating effect is not thorough, and what long distance pipeline generally conveyed is wet gas.Along gas pipeline
The variation of pressure, temperature and hypsography etc., vapor can condense in the duct.Under MODEL OVER COMPLEX TOPOGRAPHY, liquid is in pipe
The low-lying place in road is built up, and slug flow can be formed when hydrops fills up caliber, causes the pressure and instability of flow of pipeline, and pipeline is produced
Raw shock and vibration, can damage pipeline when serious.Meanwhile hydrops can aggravate the extent of corrosion of pipeline, reduce pipeline
Service life, natural gas can aggravate the electrochemistry corruption candle of pipeline, increase pipe perforation in the case of high sulfur-bearing and carbon dioxide
Danger, greatly threatened the normal operation of pipeline.
Existing hydrops control at present and the related invention and utility model patent for removing collection device, find to deposit by analysis
In problems with：
Patent of invention (application number：201610111812.2) a kind of multi-functional hydrops control valve is disclosed, air-flow passes through whirlpool
During rotational flow generator, eddying motion is generated, gas carrying capacity is improved, so as to reduce pipeline hydrops amount.But the invention not from
Hydrops is fundamentally removed, gas takes liquid can very likely assemble at next low-lying place, ultimately form slug flow；In addition the device should
When for long-distance transport pipes, need manually to convert vortex flow tube, it is less efficient, and operation be easy to cause leakage under condition of high voltage.
The similar patent that rotational flow generator or check-valves are installed in pipeline, does not remove hydrops in pipe, the hydrops being brought away from time
It can reassemble, device is difficult to install in inside pipe wall, influences wiper operation.
Utility model patent (application number：201620216085.1) a kind of pipeline effusion discharging device is disclosed, including ring
By setting annular liquid storage cylinder in pipeline external, drain valve, drain valve are flowed to by annular liquid storage cylinder for shape liquid storage cylinder, drain valve etc.
It can be discharged by hydrops.But the device needs to be mounted on the outside of pipeline, it is difficult to install, while it is big to weld range, unbalance stress
Even, pipeline leakage fluid dram opening is larger in addition, influences pipeline strength, be easy to cause the destruction of pipeline partial structurtes；Drain valve this application
The discharge of condensed water in steam, in long distance gas pipeline, condition of high voltage and acidic environment to be easy to cause leakage；Pipeline
In hydrops ectocine environment is directly discharged to also containing acidic materials and other pollution surrounding materials in addition to water.
Patent of invention (application number：It 201510386095.X) discloses a kind of low-lying place's hydrops exclusion of pipeline and corrosion inhibiter is dense
On-Line Monitor Device and method are spent, spiral flow pipe cyclone generates gas-liquid two-phase spiral flow, realizes gas-liquid separation, while design hydrops
Pipeline is lifted, hydrops in hydrops surge tank is lifted using high-pressure natural gas in gathering line, hydrops enters above-ground storage tank,
Then entrucking transport processing.But the device, before slug flow does not reach, solenoid valve is closed, since slug flow is
Liquid accumulation to it is a certain amount of when generate, the generation of slug flow is small probability event relative to being built up at low-lying place, therefore hydrops
It can be built up in low-lying director's time.When in addition using lift mode, when the liquid level in hydrops surge tank is less than air current spray nozzle, liquid
It will no longer exclude, gas rising easily causes leakage, pollutes environment.
Invention content
The present invention provides a kind of long distance gas pipeline hydrops and removes collection device automatically, of the prior art to solve
Defect.
The present invention also provides the control methods that a kind of above-mentioned long distance gas pipeline hydrops removes collection device automatically.
The present invention is achieved by the following technical programs：
A kind of long distance gas pipeline hydrops removes collection device automatically, including collecting pipe, separator tube, delivery pipe, level sensing
Device, buffer tank, pump, above-ground storage tank, breather valve and multiple electrically operated valves and control system.The device mounting arrangements are in natural gas
In the buried rectangle hole that the low-lying place of pipeline is built with armored concrete, can with the operation of protective device not by external environmental interference,
Simultaneously convenient for periodic maintenance.
A kind of long distance gas pipeline hydrops as described above removes collection device, the collecting pipe and long defeated day automatically
Right feed channel bottom is connected, and collecting pipe is equipped with upper and lower two sets of electrically operated valves, and being equipped with hydrops among two valves buffers pipeline section, and inside is set
Put liquid level sensor.Collection conduit lower end is connected with buffer tank, and the pump that buffer tank is collected on hydrops, with bottom discharge pipeline connects
Logical, buffer tank is equipped with liquid level sensor.
A kind of long distance gas pipeline hydrops as described above removes collection device automatically, and the buffer tank is by rectangle water
Case and valve and liquid level sensor composition.Setting liquid level sensor inside buffer tank, setting breather valve at the top of above-ground storage tank, in tank
Liquid level sensor is set.
A kind of long distance gas pipeline hydrops as described above removes collection device, the electric control system base automatically
Device is carried out automatically controlling in microcontroller, including main controller module and data wireless transport module, main controller module portion
Divide and include data reception module, judging treatmenting module and data transmission blocks, and judging treatmenting module is main controller module
Nucleus module；Prevent power-off from gas caused by device parking being caused to leak using the power supply mode of alternating current+accumulator.
A kind of long distance gas pipeline hydrops as described above removes collection device automatically, the pipeline hydrops it is automatic
The control system for removing collection device further includes manual control module.The manual control module can be by the finger that manually sends out
It enables controlling electrically operated valve and pump, in the case of occurring exception for device or need the operation of manual intervention device.
A kind of above-mentioned long distance gas pipeline hydrops removes the control method of collection device automatically, is as follows：
Automatic control mode
The collection discharge process of A separator tubes：
(1) starting stage electrically operated valve 3 is opened, remaining valve is closed；
(2) liquid level sensor monitors that liquid level constantly rises and is set as collection process in separator tube, reaches high prescribe a time limit of setting and closes
Valve closing door 3 opens electrically operated valve 6 and electrically operated valve 9 later；
(3) liquid level sensor monitors that liquid level constantly declines and is set as discharge process in separator tube, and liquid level is closed when reaching lower bound
Valve closing door 6 and valve 9, later Open valve 3.
The collection discharge process of B buffer tanks：
(1) liquid level sensor monitors that liquid level constantly rising is set as collection process in tank, reaches the high limit of setting in buffer tank
When Open valve 12, and start pump 13 motor, normal work be buffer tank in liquid level decline when Open valve 9 carry out stable can
Interior pressure；
(2) liquid level sensor monitors that liquid level constantly decline is set as discharge process in tank in buffer tank, when position reaches lower bound
Close valve 9, valve 12 and pump 13.
The collection processing procedure of C above-ground storage tanks：
(1) the liquid level sensor monitoring liquid level in above-ground storage tank constantly rises, and liquid level data is transferred to pipe as unit of day
Road administrative department is used for correlative study as in-situ data；
(2) above-ground storage tank liquid level reaches default height and prescribes a time limit, and alert is transferred to pipeline management department, by the people that works
Member's processing hydrops；To ensure safety, first is performed at this time and stops program, buffer tank 8 does not perform discharge process, that is, is not turned on valve
12, do not start pump 13, the first suspension program can be released by manual control；
(3) it when entering the first suspension program, collects tube portion and continues to run, valve 6 is by collection portion sub-control system, when slow
It deposits liquid level sensor 10 in tank 8 and monitors that liquid level reaches height and prescribes a time limit, perform second and stop program, collection device does not collect hydrops,
Valve 3 is closed, is not turned on valve 6, the second suspension program can be released by manual control.
Manual control pattern
(1) after hydrops empties or reinstalls storage tank in above-ground storage tank, instruction is manually sent out, is released in first, second
Only program continues to execute subsequent process；
(2) during system exception, automatic control system will be transferred to manual control pattern, and the control of each valve and pump can be by artificial
It instructs to complete, when system exception excludes, can be exchanged into automatic control mode.
The beneficial effects of the present invention are：
It 1st,, can be effective without the slug flow inside Monitoring Gas Pipeline without the installing component inside natural gas line
Hydrops and slug flow are collected, while does not influence wiper operation.
2nd, separator tube and control valve are devised, combines internal liquid level sensor detection liquid level, natural gas tube can be prevented
Gas enters hydrops collection system in road；It devises hydrops to collect, caching, empty, the control system of storage, builds electrical control
System realizes that electrically operated valve is automatically controlled with what is pumped, realizes the operation of whole system safety and steady.
3rd, hydrops collection system liquid level data Transmission system is established, above-ground storage tank hydrops is carried out in time convenient for staff
Processing, while can optimize for upstream yard separation equipment and data support is provided.
4th, apparatus of the present invention are simple in structure, reasonable design, easy to use, and device using the present invention, class effectively subtracts
The operating frequency of few wiper, improves conduit running efficiency, reduces operating cost.
5th, the automatic removing of pipeline hydrops of the invention and collection device system can have both been realized through monitoring modular (liquid level
Sensor) monitoring data make the passive control of dependent response, and can reach active control by being manually entered prediction data,
Regulating power is strong, applied widely.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is that the automatic of inventive pipeline hydrops is removed and collection device principle schematic.
Fig. 2 is electric control system flow diagram of the present invention.
Reference numeral：1 long distance gas pipeline, 2 collecting pipe, 3 electrically operated valve, 4 separator tube, 5 liquid level sensors 6 are electronic
11 connecting tube of valve 7 delivery pipe, 8 buffer tank, 9 electrically operated valve, 10 liquid level sensor, 12 electrically operated valve 13 pumps 14 breather valves
15 above-ground storage tank, 16 liquid level sensor.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts shall fall within the protection scope of the present invention.
Embodiment 1：
A kind of long distance gas pipeline hydrops removes collection device automatically, as shown in the figure：The invention mainly comprises collecting pipes
2, separator tube 4, delivery pipe 7, liquid level sensor 5,10,16, buffer tank 8, pump 13, above-ground storage tank 15, breather valve 14 and multiple electricity
Movable valve and control system.The buried rectangle that the device mounting arrangements are built at the low-lying place of natural gas line with armored concrete
, can be with the operation of protective device not by external environmental interference in hole, while it is convenient for periodic maintenance.Exist in long distance gas pipeline
After liquid is carried by gas, built up at low-lying place, due to the presence of collecting pipe, hydrops will constantly flow into collection device；Equally, on
When the slug flow of trip is reached above collection device, due to the presence of opening, the form of liquid plug is destroyed, and is flowed into and received by gravity
Collect pipeline.
Specifically, the collecting pipe 2 described in the present embodiment is connected to natural gas line bottom, and strengthened admittedly by flange
Fixed, during collection, top electrically operated valve 3 is opened, and lower part valve 6 is closed, and hydrops and slug flow gradually flow into separator tube, is delayed
When liquid level sensor monitors that liquid level is reached at the top of separator tube in washing pipe, top electrically operated valve is closed, and lower part valve is opened, simultaneously
Buffer tank top electrically operated valve 9 is opened, buffering liquid in pipe is flowed by gravity in buffer tank, and liquid level sensor monitors liquid level
It reaches given threshold and closes electrically operated valve 6 and valve 9, open collecting pipe upper valve 3 later, recycle above-mentioned flow.
Specifically, setting liquid level sensor 10 inside buffer tank described in the present embodiment, when monitoring that liquid level reaches setting
Highest pot liquid need to be emptied in limited time, will open at this time and connect electrically operated valve 12 with caching pot bottom and start pump 13, be
Steady pressure opens tank top electrically operated valve 9, and hydrops will be transported to above-ground storage tank 15, when liquid level arrival is minimum in buffer tank
In limited time, electrically operated valve 9,12 is closed, closes pump 13.
Specifically, the above-ground storage tank top described in the present embodiment sets breather valve 14 to stablize internal pressure, set in tank
Liquid level sensor 16 monitors liquid level, when liquid level reaches setting value, instruction is sent out to pipeline management center by control system, by work
Make personnel's entrucking transport processing.
Specifically, the electric control system described in the present embodiment carries out automatically controlling device based on microcontroller, including master
Controller module and data wireless transport module, main controller module part include data reception module, judging treatmenting module and
Data transmission blocks, and judging treatmenting module is the nucleus module of main controller module；Using the supplier of electricity of alternating current+accumulator
Formula prevents power-off from gas caused by device parking being caused to leak.
Specifically, the electric control system carries out automatically controlling device based on microcontroller, including master controller mould
Block and data wireless transport module, main controller module part include data reception module, judging treatmenting module and data and send
Module, and judging treatmenting module is the nucleus module of main controller module；It prevents from breaking using the power supply mode of alternating current+accumulator
Electricity causes gas caused by device parking to leak.Wherein, nucleus module of the control system as device, using liquid level sensor as
Detection module, liquid level data handle by the judgement of master controller as input, send out instruction, control pump and each electrically operated valve
Behavior；Meanwhile system control authority can be transferred to manual operation by manual control pattern.
Embodiment 2：
A kind of long distance gas pipeline hydrops described in embodiment 1 removes the control method of collection device automatically, specific to walk
It is rapid as follows：
Automatic control mode
The collection discharge process of A separator tubes：
(1) starting stage electrically operated valve 3 is opened, remaining valve is closed；
(2) liquid level sensor monitors that liquid level constantly rises and is set as collection process in separator tube, reaches high prescribe a time limit of setting and closes
Valve closing door 3 opens electrically operated valve 6 and electrically operated valve 9 later；
(3) liquid level sensor monitors that liquid level constantly declines and is set as discharge process in separator tube, and liquid level is closed when reaching lower bound
Valve closing door 6 and valve 9, later Open valve 3.
The collection discharge process of B buffer tanks：
(1) liquid level sensor monitors that liquid level constantly rising is set as collection process in tank, reaches the high limit of setting in buffer tank
When Open valve 12, and start pump 13 motor, normal work be buffer tank in liquid level decline when Open valve 9 carry out stable can
Interior pressure；
(2) liquid level sensor monitors that liquid level constantly decline is set as discharge process in tank in buffer tank, when position reaches lower bound
Close valve 9, valve 12 and pump 13.
The collection processing procedure of C above-ground storage tanks：
(1) the liquid level sensor monitoring liquid level in above-ground storage tank constantly rises, and liquid level data is transferred to pipe as unit of day
Road administrative department is used for correlative study as in-situ data；
(2) above-ground storage tank liquid level reaches default height and prescribes a time limit, and alert is transferred to pipeline management department, by the people that works
Member's processing hydrops；To ensure safety, first is performed at this time and stops program, buffer tank 8 does not perform discharge process, that is, is not turned on valve
12, do not start pump 13, the first suspension program can be released by manual control；
(3) it when entering the first suspension program, collects tube portion and continues to run, valve 6 is by collection portion sub-control system, when slow
It deposits liquid level sensor 10 in tank 8 and monitors that liquid level reaches height and prescribes a time limit, perform second and stop program, collection device does not collect hydrops,
Valve 3 is closed, is not turned on valve 6, the second suspension program can be released by manual control.
Manual control pattern
(1) after hydrops empties or reinstalls storage tank in above-ground storage tank, instruction is manually sent out, is released in first, second
Only program continues to execute subsequent process；
(2) during system exception, automatic control system will be transferred to manual control pattern, and the control of each valve and pump can be by artificial
It instructs to complete, when system exception excludes, can be exchanged into automatic control mode.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of long distance gas pipeline hydrops removes collection device and control method automatically, it is characterised in that：It is main to include receiving
Collector (2), separator tube (4), delivery pipe (7), liquid level sensor (5), (10), (16), buffer tank (8) pump (13), above-ground storage tank
(15), breather valve (14) and multiple electrically operated valves and control system, collecting pipe (2) and long defeated day in the collection device
The bottom at right feed channel (1) low-lying place is connected, and lower part connects two sets of electrically operated valves (3), (6), is buffering among two electrically operated valves
It manages (4), lower part is connect by pipeline (7) with buffer tank (8), and separator tube (4) section is respectively arranged with level sensing with buffer tank (8) inner wall
Device (5), (10), buffer tank upper opening are equipped with a set of electrically operated valve (9), electrically operated valve are sequentially arranged on lower part communicating pipe (11)
(12) and pump (13) is connected to above-ground storage tank (15), and liquid level sensor (16), top installation breather valve are housed in above-ground storage tank
(14)。
2. long distance gas pipeline hydrops according to claim 1 removes collection device automatically, it is characterised in that：Described
Tube portion caliber is no more than long distance gas pipeline diameter 1/3 is collected, separator tube (4) is positioned at the middle part of collecting pipe (2) part
Two electrically operated valves (3), (6) are installed in position up and down, control its opening and closing by control system, lower part is cached with rectangle
Tank connects (8), and separator tube (8) inner wall is equipped with explosion-proof liquid level sensor (10), liquid level data input control system is handled, can
The liquid level extreme higher position of measurement is located at top electrically operated valve (9) bottom.
3. long distance gas pipeline hydrops according to claim 1 removes collection device automatically, it is characterised in that：Described
Buffer tank (8) may be designed as rectangle, but be not limited to concrete shape, and top installation electrically operated valve (9) is stablized internal pressure, prevented
High pressure causes leakage accident.
4. long distance gas pipeline hydrops according to claim 1 removes collection device automatically, it is characterised in that：Described
Hydrops is drawn into above-ground storage tank (15) by the self-priming pump (13) of Pipe installing by buffer tank (8) bottom, open and close by
Control system controls.
5. long distance gas pipeline hydrops according to claim 1 removes collection device automatically, it is characterised in that：Described
Installation liquid level sensor (16), liquid level data are transferred to pipe through control system by wireless transport module inside above-ground storage tank (15)
Road management control center, liquid level send out alarm signal when reaching given threshold.
6. long distance gas pipeline hydrops according to claim 1 removes collection device automatically, it is characterised in that：Described
It removes collection device to carry out automatically controlling by control system, each electrically operated valve and pump are transported by the controller coordinate of control system
Row；Setting first, second stops program and MANUAL CONTROL mode, safeguards system safety.
7. a kind of such as claim 1-6 any one of them long distance gas pipeline hydrops removes collection device automatically, control
Method can not only have been realized makes the passive control of dependent response, but also can lead to by monitoring modular (liquid level sensor) monitoring data
It crosses artificial input prediction data and reaches active control, regulating power is strong, applied widely.
8. long distance gas pipeline hydrops according to claim 7 removes the automatic control mode of collection device automatically, packet
Include following steps：
The collection discharge process of A separator tubes：
(1) starting stage electrically operated valve 3 is opened, remaining valve is closed；
(2) liquid level sensor monitors that liquid level constantly rises and is set as collection process in separator tube, reaches high prescribe a time limit of setting and closes valve
Door 3 opens electrically operated valve 6 and electrically operated valve 9 later；
(3) liquid level sensor monitors that liquid level constantly declines and is set as discharge process in separator tube, and liquid level closes valve when reaching lower bound
Door 6 and valve 9, later Open valve 3.
The collection discharge process of B buffer tanks：
(1) liquid level sensor monitors that liquid level constantly rising is set as collection process in tank in buffer tank, reaches high prescribe a time limit of setting and opens
Valve 12 is opened, and starts the motor of pump 13, normal work is that Open valve 9 carrys out stable can internal pressure when liquid level declines in buffer tank
Power；
(2) liquid level sensor monitors that liquid level constantly decline is set as discharge process in tank in buffer tank, and position is closed when reaching lower bound
Valve 9, valve 12 and pump 13.
The collection processing procedure of C above-ground storage tanks：
(1) the liquid level sensor monitoring liquid level in above-ground storage tank constantly rises, and liquid level data is transferred to pipeline pipe as unit of day
Reason department is used for correlative study as in-situ data；
(2) above-ground storage tank liquid level reaches default height and prescribes a time limit, and alert is transferred to pipeline management department, by staff
Manage hydrops；To ensure safety, first is performed at this time and stops program, buffer tank 8 does not perform discharge process, that is, is not turned on valve 12,
Pump 13 is not started, the first suspension program can be released by manual control；
(3) it when entering the first suspension program, collects tube portion and continues to run, valve 6 works as buffer tank by collection portion sub-control system
Liquid level sensor 10 monitors that liquid level reaches height and prescribes a time limit in 8, performs second and stops program, collection device is not collected hydrops, that is, closed
Valve closing door 3, is not turned on valve 6, and the second suspension program can be released by manual control.
9. long distance gas pipeline hydrops according to claim 7 removes the manual control pattern of collection device automatically, packet
Include following steps：
(1) after hydrops empties or reinstalls storage tank in above-ground storage tank, instruction is manually sent out, first, second is released and stops journey
Sequence continues to execute subsequent process；
(2) during system exception, automatic control system will be transferred to manual control pattern, and the control of each valve and pump can be by manual command
It completes, when system exception excludes, can be exchanged into automatic control mode.
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| CN201810005279.0A CN108181941A (en) | 2018-01-03 | 2018-01-03 | A kind of long distance gas pipeline hydrops removes collection device and control method automatically |
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| CN112799439A (en) * | 2020-12-31 | 2021-05-14 | 山东东山新驿煤矿有限公司 | Mine compressed air pipe condensate water discharging device |
| CN112987804A (en) * | 2021-01-27 | 2021-06-18 | 宁夏隆基乐叶科技有限公司 | Waste liquid discharge method, control device, system and computer readable storage medium |
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| CN112799439A (en) * | 2020-12-31 | 2021-05-14 | 山东东山新驿煤矿有限公司 | Mine compressed air pipe condensate water discharging device |
| CN112987804A (en) * | 2021-01-27 | 2021-06-18 | 宁夏隆基乐叶科技有限公司 | Waste liquid discharge method, control device, system and computer readable storage medium |
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Application publication date: 20180619 |