CN109667964A - A kind of autocontrol natural gas steam trap group - Google Patents
A kind of autocontrol natural gas steam trap group Download PDFInfo
- Publication number
- CN109667964A CN109667964A CN201910109106.8A CN201910109106A CN109667964A CN 109667964 A CN109667964 A CN 109667964A CN 201910109106 A CN201910109106 A CN 201910109106A CN 109667964 A CN109667964 A CN 109667964A
- Authority
- CN
- China
- Prior art keywords
- natural gas
- valve
- separator
- automatic control
- control box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipeline Systems (AREA)
Abstract
本发明属于天然气安全生产技术领域，具体涉及一种自控式天然气疏水阀组。针对现有技术中疏水阀发生故障后，若不发现和处理容易产生严重的损失和重大的安全事故的问题，本发明的技术方案是：设置自动控制箱、水位计和电动阀，在天然气生产过程中实现自动排水，并在疏水阀发生故障时进行自动保护，实现天然气生产过程中的安全性自动控制。
The invention belongs to the technical field of natural gas safety production, and in particular relates to a self-control natural gas trap valve group. Aiming at the problem that serious losses and major safety accidents are likely to occur if the trap valve fails to be found and dealt with in the prior art, the technical solution of the present invention is to set up an automatic control box, a water level gauge and an electric valve, and use it in natural gas production. During the process, automatic drainage is realized, and automatic protection is performed when the trap fails, so as to realize the automatic control of safety in the natural gas production process.
Description
Technical field
The invention belongs to natural gas safety production technique fields, and in particular to a kind of autocontrol natural gas steam trap group.
Background technique
Natural gas steam trap is used to make connate water (liquid) in the gas-water separation and automatic-discharging natural gas storage tank of natural gas mine,
It is required that it is during discharging water (liquid) without natural gas leakage.
In process of production, drain valve is a key equipment to natural gas, there is high requirement to reliability, safety.
There are many reasons for drain valve fault in production, but are eventually exhibited as two kinds of phenomenons.One is generate natural gas leaking；Second is thin
Water valve does not drain.If drain valve breaks down, and cannot find and handle in time, it is possible to cause it is serious loss and it is great
Safety accident.Especially in the case where natural gas well station carries out unmanned, this problem is just more prominent, and must give
It solves.
Summary of the invention
After drain valve breaks down in the prior art, if do not find and processing be easy to produce it is serious loss and it is great
Safety accident the problem of, the present invention provides a kind of autocontrol natural gas steam trap group, and its object is to: failures, and Shi Douxu occurs
Emergency automatic protection is carried out, further loss and safety accident are avoided the occurrence of.
The technical solution adopted by the invention is as follows:
A kind of autocontrol natural gas steam trap group, including natural gas drain valve and automatic control box, the natural gas are hydrophobic
It is provided with drain valve liquidometer in valve, drain valve fluid level transmitter, the drain valve liquid are connected on the drain valve liquidometer
The input terminal of position transmitter and automatic control box connects；Natural gas drain valve rear end is provided with drainpipe, the drainpipe
On be provided with motor-driven valve I, the motor-driven valve I is connect with the output end of automatic control box.
When leakage failure occurs for drain valve, if the water in drain valve can whole drained, natural gases without automatic safety device
It will and then discharge, form natural gas leaking.After the technical solution, by drain valve liquidometer to natural gas drain valve
In liquid level be monitored, if the failure of natural gas leaking will occur, must occur liquid level in natural gas drain valve in advance
Too low situation.Motor-driven valve I closes the drainage channel of cutting natural gas drain valve at this time, and the water in drain valve is avoided to drain and lead
Cause natural gas leaking.That is, can be realized sentencing in advance to natural gas leaking accident by the monitoring to natural gas steam trap liquid level
Disconnected and automatic protection.
Preferably, further include separator, be provided with separator liquidometer in the separator, on the separator liquidometer
It is connected with separator fluid level transmitter, the input terminal connection of the separator fluid level transmitter and automatic control box；The separation
It is provided with water-supply-pipe between device and natural gas drain valve, spare water pipe is connected on the water-supply-pipe, is set on the spare water pipe
It is equipped with motor-driven valve II, the motor-driven valve II is connect with the output end of automatic control box.
When the failure not drained occurs for drain valve, the water level in separator will constantly rise, and be not provided with error protection
In the case where valve, water level can rise to aerophobic tube line and form " turning over tower ", damage to pipeline and upstream device.Preferably using this
After scheme, the liquid level in natural gas steam trap is monitored by separator liquidometer, if will go out " turning over tower " the case where when,
There is excessively high situation in liquid level in separator, at this point, being arranged by spare water pipe separator by opening motor-driven valve II
Water avoids liquid level from continuing to increase and the phenomenon that " turning over tower " occur.That is, can be realized by the monitoring to separator liquid level to thin
The automatic protection that water valve does not drain.
It is further preferred that being provided with liquid feed valve on water-supply-pipe, the tie point of the spare water pipe and water-supply-pipe, which is located at, to be divided
From between device and liquid feed valve.Be arranged liquid feed valve manually control separator and natural gas steam trap so far be connected to and cutting, it is convenient
Drain valve is overhauled in the event of a failure.
It is further preferred that the outlet end of the spare water pipe is connected to drainpipe, drain is provided on the drainpipe
Valve, the position of the outlet end of the spare water pipe and the tie point of drainpipe on drainpipe are located at tapping valve and motor-driven valve I
Rear end.The drain that tapping valve manually controls natural gas steam trap is set, it is convenient that drain valve is overhauled in the event of a failure.
It is further preferred that automatic control box is connect with operation area Central Control Room.After the preferred embodiment, automatic control box
Fault warning can be sent to Central Control Room notifies staff to overhaul in time.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. being monitored by drain valve liquidometer to the liquid level in natural gas drain valve, if natural gas leaking will occur
Failure, then must occur the situation that liquid level is too low in natural gas drain valve in advance.Motor-driven valve I is closed cutting natural gas and is dredged at this time
The drainage channel of water valve avoids the water in drain valve from draining and lead to natural gas leaking.That is, by natural gas steam trap liquid level
Monitoring, can be realized to natural gas leaking accident prejudge and automatic protection.
2. being monitored by separator liquidometer to the liquid level in natural gas steam trap, if " turning over tower " will be gone out
When, there is excessively high situation in the liquid level in separator, at this point, by opening motor-driven valve II, by spare water pipe to separator into
Row draining avoids liquid level from continuing to increase and the phenomenon that " turning over tower " occur.That is, can be realized by the monitoring to separator liquid level
The automatic protection that drain valve is not drained.
3. be arranged liquid feed valve manually control separator and natural gas steam trap so far be connected to and cutting, it is convenient occurring therefore
Drain valve is overhauled when barrier.
4. the drain that tapping valve manually controls natural gas steam trap is set, it is convenient that drain valve is examined in the event of a failure
It repairs.
Staff is notified to overhaul in time 5. automatic control box can send fault warning to Central Control Room.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is structural schematic diagram of the invention.
Wherein: 1- natural gas steam trap, 2- motor-driven valve I, 3- motor-driven valve II, 4- liquid feed valve, 5- tapping valve, 6- separator liquid
Position meter, 7- drain valve liquidometer, 8- separator fluid level transmitter, 9- drain valve fluid level transmitter, 10- automatic control box, 11- points
From device, 12- water-supply-pipe, the spare water pipe of 13-, 14- drainpipe, 15- Central Control Room.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to Fig. 1 to the present invention.
Embodiment 1
A kind of autocontrol natural gas steam trap group, including natural gas drain valve 1 and automatic control box 10, the natural gas are dredged
It is provided with drain valve liquidometer 7 in water valve 1, drain valve fluid level transmitter 9 is connected on the drain valve liquidometer 7, it is described to dredge
Water valve fluid level transmitter 9 is connect with the input terminal of automatic control box 10；1 rear end of natural gas drain valve is provided with drainpipe
14, be provided with motor-driven valve I 2 on the drainpipe 14, the optional electrical ball valve of motor-driven valve I 2, the motor-driven valve I 2 with automatically control
The output end of case 10 connects.Automatic control box 10 is connect with operation area Central Control Room 15.Central Control Room 15 is not belonging to the production of the present embodiment
The signal wire of product part, but the Central Control Room of user, the present embodiment is connect with the port that Central Control Room 15 is arranged, after signal is incoming by
The operator on duty of Central Control Room is handled.
Automatic protection when leakage failure, specific control rule and principle occur for natural gas steam trap 1 for the present embodiment
It is as follows:
As shown in Figure 1, in the prior art, in the state of normal operation, being undertaken by natural gas steam trap 1 self-draining
Task, A, B, C are setting water level line in natural gas steam trap 1.When water level rises to A in valve body, natural gas steam trap 1 is automatic
Open draining；When draining is to water level line B, natural gas steam trap 1 is automatically closed, and and so on carries out realization Auto-drainage.
When leakage failure occurs for natural gas steam trap 1, water level will extend over closed line B and continue to decline in valve body.At this time
If water can be all drained without automatic safety device, natural gas will be discharged and then, form natural gas leaking.In the present embodiment
Under conditions of having protective device, water level line C is set as lowest water level line, when water level is down to water level line C, drain valve level transmitting
Equivalent water level signal in drain valve liquidometer 7 is passed to automatic control box 10 by device 9, and automatic control box 10 (is revealed to motor-driven valve I 2
Error protection valve) out code is issued, it closes it immediately, realizes automatic protection.Automatic control box 10 is issuing out code
While, signal is passed into Central Control Room 15 and issues the alarm that drain valve generates leakage failure.
After leakage failure protects valve to close, natural gas steam trap 1 terminates drain, and the water level in valve body can constantly rise.When
When water level rises to water level line A, equivalent water level signal in drain valve liquidometer 7 is passed to automatic control by drain valve fluid level transmitter 9
Case 10 processed, automatic control box 10 issue the instruction opened to leakage failure protection valve, it are made to open draining；When water level is down to water level
When line C, automatic control box 10 issues out code to leakage failure protection valve again.And so on, after realizing drain valve failure
Auto-drainage.Make to produce uninterrupted continuous operation.Until drain valve, which overhauls, to be completed to restore to operate normally.
Embodiment 2
On the basis of embodiment 1, further include separator 11, separator liquidometer 6, institute are provided in the separator 11
It states and is connected with separator fluid level transmitter 8 on separator liquidometer 6, the separator fluid level transmitter 8 and automatic control box 10
Input terminal connection；It is provided with water-supply-pipe 12 between the separator 11 and natural gas drain valve 1, is connected on the water-supply-pipe 12
There is spare water pipe 13, motor-driven valve II 3 is provided on the spare water pipe 13, the optional electrical ball valve of motor-driven valve II 3 is described electronic
Valve II 3 is connect with the output end of automatic control box 10.
Liquid feed valve 4 is provided on the water-supply-pipe 12, the spare water pipe 13 is located at the tie point of water-supply-pipe 12 to be separated
Between device 11 and liquid feed valve 4.The outlet end of the spare water pipe 13 is connected to drainpipe 14, the row of being provided on the drainpipe 14
Liquid valve 5, the position of the outlet end of the spare water pipe 13 and the tie point of drainpipe 14 on drainpipe 14 be located at tapping valve 5 and
The rear end of motor-driven valve I 2.Shut-off valve can be selected in above-mentioned liquid feed valve 4 and tapping valve 5.
The present embodiment is used for the automatic protection when generation of natural gas steam trap 1 does not drain on the basis of embodiment 1, specifically
Control rule and principle are as follows:
When the failure not drained occurs for natural gas steam trap 1, the water level in separator 11 will constantly rise, and be not provided with
Drain error protection valve (i.e. motor-driven valve II 3) in the case where, water level can rise to aerophobic tube line formed " turning over tower ", to pipeline and under
Trip equipment damages.After having draining error protection valve, when water level rises to the water level line F of setting in separator 11
When, the water level signal in separator liquidometer 6 is transmitted to automatic control box 10, automatic control box by separator fluid level transmitter 8
10 issue open command to draining error protection valve, so that it is opened draining, carry out automatic protection；Automatic control box 10 simultaneously will
Signal passes to the alarm of Central Control Room 15, to take corresponding maintenance measure in time.
After draining the opening draining of error protection valve, water level will constantly decline in separator 11, when water level is down to closed line E
When, the water level signal in separator liquidometer 6 is transmitted to automatic control box 10, automatic control box by separator fluid level transmitter 8
10 issue out code to draining error protection valve, make its closing.When water level rises to water level line F again, error protection is drained
Valve opens draining again.Auto-drainage when and so on, to realize that failure occurs not draining for natural gas steam trap 1 makes to produce energy
Uninterruptedly it is carried out continuously.Until natural gas steam trap 1, which is repaired, to be restored to operate normally.
Either natural gas steam trap 1 generates the failure that leakage does not still drain, and during maintenance, motor-driven valve II 3 all must
It must be in self-draining operating status, until maintenance is completed, until natural gas steam trap 1 restores to operate normally.Maintenance starts
Before, liquid feed valve 4 and tapping valve 5 is turned off manually, natural gas steam trap 1 and separator 11 are disconnected, it is hydrophobic then to open natural gas
1 faulty component of valve is overhauled, and after the completion of maintenance, opens liquid feed valve 4 and tapping valve 5,1 normal operation input of natural gas steam trap
(motor-driven valve II 3 is automatically closed at this time, and motor-driven valve I 2 automatically turns on).
It should be pointed out that those skilled in the art learn embodiment 1 and control as described in example 2 rule after, no
Need to make the creative labor can realize control rule by prior art means.
The specific embodiment of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application protection scope therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of not departing from technical scheme design, various modifications and improvements can be made, these belong to this
The protection scope of application.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910109106.8A CN109667964A (en) | 2019-02-03 | 2019-02-03 | A kind of autocontrol natural gas steam trap group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910109106.8A CN109667964A (en) | 2019-02-03 | 2019-02-03 | A kind of autocontrol natural gas steam trap group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109667964A true CN109667964A (en) | 2019-04-23 |
Family
ID=66151428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910109106.8A Pending CN109667964A (en) | 2019-02-03 | 2019-02-03 | A kind of autocontrol natural gas steam trap group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109667964A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2167259Y (en) * | 1993-08-06 | 1994-06-01 | 张德凯 | Monitoring device for supervising steam-trap working condition |
| CN201014189Y (en) * | 2007-03-07 | 2008-01-30 | 中国石油天然气股份有限公司 | Automatic liquid discharge device of natural gas station separator |
| CN201916693U (en) * | 2011-01-25 | 2011-08-03 | 温州市鹿城东瓯染料中间体厂 | Sylvite steam trap |
| CN204312995U (en) * | 2014-11-14 | 2015-05-06 | 中国石油天然气股份有限公司 | An Unattended Gas Gathering Station Separator Sewage System |
| CN204372556U (en) * | 2014-12-10 | 2015-06-03 | 中国石油天然气股份有限公司 | A separator automatic drain chain protection device |
| CN105888643A (en) * | 2016-05-26 | 2016-08-24 | 中石化重庆涪陵页岩气勘探开发有限公司 | Automatic gas well produced-water discharging and metering system and application method thereof |
| CN207349805U (en) * | 2017-10-23 | 2018-05-11 | 濮阳宏业高新科技发展有限公司 | A kind of vapor-proof reveals pot type condensate water drainage arrangement |
| CN209622143U (en) * | 2019-02-03 | 2019-11-12 | 四川乐山伟业机电有限责任公司 | A kind of autocontrol natural gas steam trap group |
-
2019
- 2019-02-03 CN CN201910109106.8A patent/CN109667964A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2167259Y (en) * | 1993-08-06 | 1994-06-01 | 张德凯 | Monitoring device for supervising steam-trap working condition |
| CN201014189Y (en) * | 2007-03-07 | 2008-01-30 | 中国石油天然气股份有限公司 | Automatic liquid discharge device of natural gas station separator |
| CN201916693U (en) * | 2011-01-25 | 2011-08-03 | 温州市鹿城东瓯染料中间体厂 | Sylvite steam trap |
| CN204312995U (en) * | 2014-11-14 | 2015-05-06 | 中国石油天然气股份有限公司 | An Unattended Gas Gathering Station Separator Sewage System |
| CN204372556U (en) * | 2014-12-10 | 2015-06-03 | 中国石油天然气股份有限公司 | A separator automatic drain chain protection device |
| CN105888643A (en) * | 2016-05-26 | 2016-08-24 | 中石化重庆涪陵页岩气勘探开发有限公司 | Automatic gas well produced-water discharging and metering system and application method thereof |
| CN207349805U (en) * | 2017-10-23 | 2018-05-11 | 濮阳宏业高新科技发展有限公司 | A kind of vapor-proof reveals pot type condensate water drainage arrangement |
| CN209622143U (en) * | 2019-02-03 | 2019-11-12 | 四川乐山伟业机电有限责任公司 | A kind of autocontrol natural gas steam trap group |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103050161B (en) | The method of auxiliary feedwater pipeline automatism isolation | |
| CN110242363B (en) | High-safety protection system for steam turbine generator unit | |
| CN209622143U (en) | A kind of autocontrol natural gas steam trap group | |
| CN204312993U (en) | An automatic liquid draining system for a gas-liquid separator with emergency liquid draining capability | |
| CN211524912U (en) | Safety device of steam turbine feed pump | |
| CN113757100B (en) | Method and system for realizing sewage variable flow conveying by utilizing adjusting functions of automatic conveying pump and adjusting valve | |
| CN204034106U (en) | Nuclear power station fire water distribution system | |
| JP6153363B2 (en) | Sprinkler fire extinguishing equipment and air / water separation and drainage system | |
| CN112503252B (en) | Remote control replacement device and method for unmanned on-duty offshore platform | |
| CN204530859U (en) | Nuclear power plant's emergency feedwater supply system flow control device | |
| CN211853538U (en) | Pressure relief tank | |
| CN204372555U (en) | A control device for automatic liquid discharge of gas-liquid separator | |
| EP2651724A1 (en) | Apparatus and method for clustered wellhead high integrity protection system | |
| CN217329426U (en) | Full automatization control recovery water pump washes sealing water system | |
| CN201106056Y (en) | Multifunctional multidirectional intelligent air supplying-dispensing device | |
| CN113777976B (en) | Nuclear power plant isolation valve control circuit | |
| CN209523931U (en) | A kind of hydraulic oil supply cylinder automatic switchover hydraulic system of ladle slide gate in billet | |
| CN204574918U (en) | Cooling tower vacuum water-feeding system | |
| CN104864765B (en) | Vacuum water feeding system of cooling tower | |
| CN218934916U (en) | Oil pressure on-line monitoring and test system | |
| CN111933321B (en) | Heavy water pile radioactive waste liquid discharge loop system and method | |
| CN223140077U (en) | Cooling water return recycling control system | |
| CN208343037U (en) | A kind of double-core super-pressure pump of the spare booster of band | |
| CN109611396A (en) | A kind of hydraulic oil supply cylinder of ladle slide gate in billet automatically switches hydraulic system and method | |
| CN112892216A (en) | Device and method for preventing reverse osmosis membrane back pressure from being damaged |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190423 |