CN209622143U - A kind of autocontrol natural gas steam trap group - Google Patents
A kind of autocontrol natural gas steam trap group Download PDFInfo
- Publication number
- CN209622143U CN209622143U CN201920188238.XU CN201920188238U CN209622143U CN 209622143 U CN209622143 U CN 209622143U CN 201920188238 U CN201920188238 U CN 201920188238U CN 209622143 U CN209622143 U CN 209622143U
- Authority
- CN
- China
- Prior art keywords
- natural gas
- valve
- steam trap
- separator
- gas steam
- 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.)
- Active
Links
Landscapes
- Pipeline Systems (AREA)
Abstract
The utility model belongs to natural gas safety production technique field, and in particular to a kind of autocontrol natural gas steam trap group.After drain valve breaks down in the prior art; if not finding and handling the problem of being easy to produce serious loss and great safety accident; the technical solution of the utility model is: setting automatic control box, water-level gauge and motor-driven valve; Auto-drainage is realized in production process of natural gas; and automatic protection is carried out when drain valve breaks down, realize that the safety in production process of natural gas automatically controls.
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 steam trap 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;The natural gas steam trap 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 steam trap
In liquid level be monitored, if the failure of natural gas leaking will occur, must occur liquid level in natural gas steam trap in advance
Too low situation.Motor-driven valve I closes the drainage channel of cutting natural gas steam trap 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 steam trap, 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 steam trap, if natural gas leaking will occur
Failure, then must occur the too low situation of liquid level in natural gas steam trap 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-
Separator, 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 steam trap 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 steam trap 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 steam trap 1, connects on the water-supply-pipe 12
It is connected to spare water pipe 13, motor-driven valve II 3, the optional electrical ball valve of motor-driven valve II 3, the electricity are provided on the spare water pipe 13
Dynamic 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, is provided on the drainpipe 14
Tapping valve 5, the position of the outlet end of the spare water pipe 13 and the tie point of drainpipe 14 on drainpipe 14 are located at tapping valve 5
With 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 is simultaneously
Signal is passed to Central Control Room 15 to alarm, 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)
1. a kind of autocontrol natural gas steam trap group, it is characterised in that: including natural gas steam trap (1) and automatic control box
(10), it is provided with drain valve liquidometer (7), is connected on the drain valve liquidometer (7) thin in the natural gas steam trap (1)
Water valve fluid level transmitter (9), the drain valve fluid level transmitter (9) connect with the input terminal of automatic control box (10);The day
Right gas drain valve (1) rear end is provided with drainpipe (14), is provided with motor-driven valve I (2), the motor-driven valve on the drainpipe (14)
I (2) are connect with the output end of automatic control box (10).
2. a kind of autocontrol natural gas steam trap group described in accordance with the claim 1, it is characterised in that: further include separator
(11), it is provided with separator liquidometer (6) in the separator (11), is connected with separator on the separator liquidometer (6)
Fluid level transmitter (8), the separator fluid level transmitter (8) connect with the input terminal of automatic control box (10);The separator
(11) it is provided between natural gas steam trap (1) water-supply-pipe (12), is connected with spare water pipe (13) on the water-supply-pipe (12),
Motor-driven valve II (3), the output end company of the motor-driven valve II (3) and automatic control box (10) are provided on the spare water pipe (13)
It connects.
3. a kind of autocontrol natural gas steam trap group according to claim 2, it is characterised in that: on the water-supply-pipe (12)
It is provided with liquid feed valve (4), the tie point of the spare water pipe (13) and water-supply-pipe (12) is located at separator (11) and liquid feed valve (4)
Between.
4. a kind of autocontrol natural gas steam trap group according to claim 2, it is characterised in that: the spare water pipe (13)
Outlet end be connected to drainpipe (14), be provided with tapping valve (5) on the drainpipe (14), the spare water pipe (13) go out
Position of the tie point of mouth end and drainpipe (14) on drainpipe (14) is located at the rear end of tapping valve (5) and motor-driven valve I (2).
5. a kind of autocontrol natural gas steam trap group according to claim 2, it is characterised in that: the automatic control box
(10) it is connect with operation area Central Control Room (15).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920188238.XU CN209622143U (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 |
---|---|---|---|
CN201920188238.XU CN209622143U (en) | 2019-02-03 | 2019-02-03 | A kind of autocontrol natural gas steam trap group |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209622143U true CN209622143U (en) | 2019-11-12 |
Family
ID=68453120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920188238.XU Active CN209622143U (en) | 2019-02-03 | 2019-02-03 | A kind of autocontrol natural gas steam trap group |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209622143U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109667964A (en) * | 2019-02-03 | 2019-04-23 | 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 CN201920188238.XU patent/CN209622143U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109667964A (en) * | 2019-02-03 | 2019-04-23 | 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 |
---|---|---|
CN203276869U (en) | Steam generator sewage drainage system preventing overflow of steam generator | |
CN202096833U (en) | Electric automatic liquid discharge monitoring system | |
CN209622143U (en) | A kind of autocontrol natural gas steam trap group | |
CN111897279A (en) | Automatic ship fuel oil transferring and refuting control system | |
CN207514363U (en) | A kind of air valve failure monitoring device | |
CN109667964A (en) | A kind of autocontrol natural gas steam trap group | |
CN113757100B (en) | Method and system for realizing sewage variable flow conveying by utilizing adjusting functions of automatic conveying pump and adjusting valve | |
CN106930919A (en) | A kind of seawater cooling line automatic control system and its control method | |
CN203587338U (en) | Pressure switch service life detection tooling | |
CN116677923A (en) | FPSO remote replacement emptying system and method in typhoon mode | |
JP2014188298A (en) | Sprinkler fire-extinguishing equipment | |
CN217463354U (en) | Rupture disc device capable of being repaired on line | |
CN202131642U (en) | Box type water supply device | |
CN214008192U (en) | Pilot-operated type safety valve group | |
CN104864765B (en) | Vacuum water feeding system of cooling tower | |
CN210661535U (en) | Pressure relief device for dead oil section of liquid pipeline | |
CN209523931U (en) | A kind of hydraulic oil supply cylinder automatic switchover hydraulic system of ladle slide gate in billet | |
CN206723841U (en) | A kind of on-line automatic blowdown apparatus of gas pipeline yard | |
CN208168846U (en) | It is a kind of for turning to the control system of choke manifold valve group | |
CN106759779A (en) | A kind of online blowdown apparatus and online method for discharging pollution for being applied to gas pipeline yard | |
CN106989276B (en) | A kind of on-line automatic method for discharging pollution of gas pipeline yard | |
CN214405605U (en) | Hydrogen storage system and hydrogenation station | |
CN205424429U (en) | Long distance slurry pipe shut -off valve's remote control system | |
CN113049176B (en) | Method for online dredging and blocking prevention of pressure guide pipe | |
CN203322439U (en) | Quick cutting-off control device of electrically operated valve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |