CN207112356U - LNG feeders and LNG air supply systems - Google Patents
LNG feeders and LNG air supply systems Download PDFInfo
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- CN207112356U CN207112356U CN201720801168.1U CN201720801168U CN207112356U CN 207112356 U CN207112356 U CN 207112356U CN 201720801168 U CN201720801168 U CN 201720801168U CN 207112356 U CN207112356 U CN 207112356U
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Abstract
LNG supply technologies field is the utility model is related to, discloses a kind of LNG feeders and LNG air supply systems；LNG feeders include：Pressure channel, including the first stop valve, the first pressure regulator valve, the first gasifier, first pressure sensor and the second stop valve being sequentially connected；Liquid feeding channel, including the 3rd stop valve, the first control valve, gasification installation, regulator, the first temperature sensor and the second pressure sensor being sequentially connected；The controller being connected with the first pressure regulator valve, first pressure sensor, the first control valve, second pressure sensor and the first temperature sensor signal, is used for：The aperture of the first pressure regulator valve is controlled according to the signal of first pressure sensor；The folding of the first control valve is controlled according to the signal of second pressure sensor and the first temperature sensor.The automaticity of above-mentioned LNG feeders is higher, is guarded without personnel, and directly can carry out feed flow using LNG tank cars or LNG movable tanks case.
Description
Technical field
LNG air supply system technical fields are the utility model is related to, more particularly to a kind of LNG feeders and LNG supply system
System.
Background technology
In recent years, domestic built a large amount of natural gas liquefaction projects, Liquefied Natural Gas Import (LNG) resource increase year by year,
Price competitiveness strengthen, in, eastern region LNG delivered prices even already below pipe natural gas price；At the same time, it is national
The dynamics of control atmosphere pollution continues to increase, and promulgates that coal changes gas policy, promotes various regions coal to change gas project in succession from country to place
Faster develop；In addition, some areas do not have pipeline gas；Therefore, small-sized LNG single-points direct-supplying device is more favored, gas
Change station construction and present outburst state.But because simple original, the most of control operation of existing single-point direct-supplying device technique all needs
Will be by being accomplished manually, therefore, than more prominent the problems such as potential safety hazard, responsibility consciousness.Solve the above problems, that is, need to improve
Automatization level, realize Control for Dependability management；Therefore, how to design a kind of higher LNG air supply systems of automaticity is
At present the problem of urgent need to resolve.
Utility model content
The utility model discloses a kind of LNG feeders and LNG air supply systems, for provide a kind of automaticity compared with
High LNG air supply systems.
To reach above-mentioned purpose, the utility model provides following technical scheme：
A kind of LNG feeders, including Pressure channel and liquid feeding channel；The Pressure channel includes the supercharging being sequentially connected
Liquid phase fast interface, the first stop valve, the first gasifier, the second stop valve and supercharging gas phase fast interface；The liquid feeding channel
Including LNG feed flows fast interface, the 3rd stop valve, gasification installation, regulator and the user's pipe interface being sequentially connected；
The Pressure channel also includes：
First pressure regulator valve, it is arranged between first stop valve and first gasifier；
First pressure sensor, it is arranged between first gasifier and second stop valve；
The liquid feeding channel also includes：
First control valve, it is arranged between the 3rd stop valve and the gasification installation；
Second pressure sensor, it is arranged between the regulator and user's pipe interface；
First temperature sensor, it is arranged between the regulator and user's pipe interface；
The LNG feeders also include controller, and the controller passes with first pressure regulator valve, first pressure respectively
Sensor, the first control valve, second pressure sensor and the connection of the first temperature sensor signal, are used for：
The aperture of first pressure regulator valve is controlled to adjust according to the pressure signal of the first pressure sensor；
According to the second pressure sensor and the signal of first temperature sensor, described first is controlled to adjust
The folding of control valve.
Above-mentioned LNG feeders, in Pressure channel can be automatically controlled by first pressure sensor and controller
The aperture of one pressure regulator valve, specifically, first pressure sensor can detect the pressure of the natural gas for formation of gasifying in Pressure channel,
When the pressure is being set in pressure limit, controller controls the first pressure regulator valve to be failure to actuate, when the pressure is beyond setting pressure model
When enclosing, controller then controls the first pressure regulator valve corresponding actions to be controlled tune to natural gas flow to change aperture so as to realize
Section, and then, the LNG feeders can realize that the automation to pressurization in LNG tank case accurately controls, so as to ensure to be pressurized
The safety of process and the regulation and control to liquid feeding channel flow；Also, in the LNG feeders, it can be sensed by second pressure
Device, the first temperature sensor and controller realize the folding of the first control valve automatically controlled in liquid feeding channel, specifically, second
Pressure sensor can detect supply to the pressure of the natural gas of user terminal, and the first temperature sensor can detect supply to user
The temperature of the natural gas at end, when the detection signal of second pressure sensor and the first temperature sensor exceeds its setting range,
Controller can then automatically control the closing of the first control valve, to ensure the safety of feed flow operating process.Further, since above-mentioned LNG
The automaticity of feeder is higher, and therefore, it directly can carry out feed flow using LNG tank cars either LNG movable tanks case,
I.e. above-mentioned LNG tank case can be LNG tank cars either LNG movable tank casees, and then, the LNG feeders are preceding without fixed storage tank
Phase input cost is very low；Also, because the feed flow process of the LNG feeders is guarded without staff, cost of labor is also very
It is low；Therefore, the LNG feeders can largely reduce LNG liquid-supplying system costs.
In summary, above-mentioned LNG feeders can realize that the supercharging of LNG tank case and feed flow process automatically control tune
Section, automaticity is higher, and security performance is preferable.
Preferably, the liquid feeding channel also includes：Second control valve, it is arranged at the regulator and user's pipeline
Between interface；3rd pressure sensor, it is arranged between the 3rd stop valve and first control valve；The controller point
It is not connected, is used for second control valve and the 3rd pressure sensor signal：According to the second pressure sensor, institute
The signal of the 3rd pressure sensor and first temperature sensor is stated, controls to adjust first control valve and second control
The folding of valve processed.
Preferably, the liquid feeding channel also includes：Surge tank, be arranged at the gasification installation and the regulator it
Between；Safety vent pipeline, one end are connected with the surge tank, and the other end connects with airspace；The safety vent pipeline
It is provided with the first safety valve；4th pressure sensor, it is arranged on the surge tank, the 4th pressure sensor and the control
Device signal connection processed.
Preferably, the liquid feeding channel also includes：Second temperature sensor, it is arranged at the gasification installation and the buffering
Between tank；The gasification installation includes mutually and at least two gasification pipes even, each gasification pipe control from described first
Include the 4th control valve, the second gasifier and the 4th stop valve being sequentially connected on valve to the direction of the surge tank；The control
Device processed, it is connected with the 4th control valve signal in the second temperature sensor and each gasification pipe, for according to
The temperature signal of second temperature sensor, control the 4th control Vavle switching folding at least two gasification pipe.
Preferably, the LNG feeders also include：Safety diffuses passage, one end and first control valve and described
Pipeline between gasification installation is connected, and the other end is connected with the surge tank；The safety diffuses passage provided with second
Safety valve；First pipeline, the pipeline between one end and first gasifier and second stop valve are connected, the other end with
The safety is diffused passage and is connected；First pipeline is provided with the 3rd safety valve.
Preferably, the LNG feeders also include：Second pipe, one end and first gasifier and described second
Pipeline between stop valve is connected, and the pipeline between the other end and first control valve and the gasification installation is connected；
The second pipe is provided with the 5th control valve；The controller is connected with the described 5th control valve signal, described for controlling
The folding of 5th control valve.
Preferably, two pressure regulation pipelines that the regulator includes and connected, each pressure regulation pipeline include what is be sequentially connected
5th stop valve, the second pressure regulator valve and the 6th stop valve.
Preferably, the liquid feeding channel also includes：Flowmeter, it is arranged at the regulator and user's pipe interface
Between, the flowmeter is connected with the controller signals.
Preferably, the LNG feeders also include：First gas detector, it is connected, is used for the controller signals
Gas concentration near detection supercharging gas phase fast interface in air, and the gas concentration information is sent to the control
Device；Second gas detector, it is connected with the controller signals, it is dense for detecting combustion gas near user's pipe interface in air
Degree, and the gas concentration information is sent to the controller；3rd gas detector, it is connected with the controller signals,
Sent for detecting the gas concentration near gasification installation in air, and by the gas concentration information to the controller；Temperature
Detector is spent, is connected with the controller signals, for sensing the temperature of air near gasification installation, and by the temperature information
Send to the controller.
A kind of LNG air supply systems, including the LNG feeders described in any of the above-described technical scheme；And client on the spot
End, is connected with the controller signals in the LNG feeders, described in the signal for being provided according to the controller is shown
The working condition of LNG feeders, and the control operation of the driving controller；Terminal server, supply and fill with the LNG
Controller signals connection in putting, the control operation for controller described in remote boot server；Mobile client, taken with the terminal
The signal connection of business device；For obtaining the work state information of the LNG feeders by terminal server, and pass through the end
Hold the control operation of server drive control device.
Brief description of the drawings
Fig. 1 is a kind of structural representation for LNG feeders that the utility model embodiment provides；
Fig. 2 is the structural representation of LNG tank case in a kind of LNG air supply systems that the utility model embodiment provides；
Fig. 3 is a kind of part-structure schematic diagram for LNG air supply systems that the utility model embodiment provides；
Fig. 4 is a kind of workflow diagram for LNG feeders that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
It refer to Fig. 1~Fig. 4.
As depicted in figs. 1 and 2, a kind of LNG feeders that the utility model embodiment provides, including：
Pressure channel, supercharging liquid phase fast interface 100 that the Pressure channel includes being sequentially connected, the first stop valve 101, the
One pressure regulator valve 102, the first gasifier 103, first pressure sensor 104, the second stop valve 105 and boost fluid gas fast interface
106；Wherein, supercharging liquid phase fast interface 100 and boost fluid gas fast interface 106 are respectively used to a liquid with LNG tank case 300
Phase pipeline 302 is connected with a gas phase pipeline 301；LNG in LNG tank case 300 can enter from supercharging liquid phase fast interface 100
In the pipeline of Pressure channel, again from the weight of boost fluid gas fast interface 106 after the first gasifier 103 gasification in Pressure channel
LNG tank case 300 newly is transmitted back to, LNG tank case 300 is pressurized so as to realize；
Liquid feeding channel, LNG feed flows fast interface 200 that the liquid feeding channel includes being sequentially connected, the 3rd stop valve 201, the
One control valve 203, gasification installation 204, regulator 205, the first temperature sensor 207, second pressure sensor 208 and user
Pipe interface 209；Wherein, LNG feed flows fast interface 200 is used to be connected with another liquid phase pipeline 303 of LNG tank case 300, uses
Family pipe interface 209 is used to be connected with user terminal；LNG in LNG tank case 300 can enter from LNG feed flows fast interface 200 to be supplied
Liquid passage, then exported after the gasification of gasification installation 204 from user's pipe interface 209 to user terminal, so as to be embodied as user
Supply natural gas.
Controller, the controller connect with the first pressure regulator valve 102 in Pressure channel and the signal of first pressure sensor 104
Connect, the aperture specifically for controlling to adjust the first pressure regulator valve 102 according to the pressure signal of first pressure sensor 104；Further
Ground, the controller also with the first control valve 203 in liquid feeding channel, the temperature sensor of second pressure sensor 208 and first
207 signals connect, and specifically for the signal according to the temperature sensor 207 of second pressure sensor 208 and first, control to adjust the
The folding of one control valve 203.
Above-mentioned LNG feeders, it can be automatically controlled by first pressure sensor 104 and controller in Pressure channel
The aperture of first pressure regulator valve 102, specifically, first pressure sensor 104 can detect the day combustion for formation of gasifying in Pressure channel
The pressure of gas, when the pressure is being set in pressure limit, controller controls the first pressure regulator valve 102 to be failure to actuate, when pressure exceeds
When setting pressure limit, controller then controls the corresponding actions of the first pressure regulator valve 102 to change aperture, so as to realize to natural gas stream
Amount is controlled regulation, and then, the LNG feeders can realize that the automation to pressurization in LNG tank case 300 is accurately controlled
System, so as to ensure the safety of pressurization and regulation to liquid feeding channel flow；Also, in the LNG feeders, Ke Yitong
Cross second pressure sensor 208, the first temperature sensor 207 and controller and realize the first control automatically controlled in liquid feeding channel
The folding of valve, specifically, second pressure sensor 208 can detect supply to the pressure of the natural gas of user terminal, the first temperature
Sensor 207 can detect supply to the temperature of the natural gas of user terminal, when the TEMP of second pressure sensor 208 and first
When the detection signal of device 207 exceeds its setting range, controller can then automatically control the first control valve 203 and close, to ensure
The safety of feed flow operating process.
In summary, above-mentioned LNG feeders can realize the supercharging of LNG tank case 300 and automatically controlling for feed flow process
Regulation, automaticity is higher, and security performance is preferable.Further, since the automaticity of above-mentioned LNG feeders is higher, because
This, it directly can carry out feed flow using LNG tank cars either LNG movable tanks case, i.e., above-mentioned LNG tank case 300 can be LNG grooves
Car either LNG movable tank casees, and then, the LNG feeders are very low without fixed storage tank, early investment cost；Also, due to
The feed flow process of the LNG feeders is guarded without staff, and cost of labor is also very low；Therefore, the LNG feeders can be with
Largely reduce LNG liquid-supplying system costs.
As shown in figure 1, in a kind of specific embodiment, in the LNG feeders that the utility model embodiment provides, feed flow
Passage can also include：
The second control valve 206 being arranged between regulator 205 and user's pipe interface 209, second control valve 206
It is connected with controller signals；
The 3rd pressure sensor 202 being arranged between the 3rd stop valve 201 and the first control valve 203, the 3rd pressure
Sensor 202 is connected with controller signals；
Further, control implement body can be used for：According to the first temperature sensor 207, the and of second pressure sensor 208
The signal of 3rd pressure sensor 202, control to adjust the folding of the first control valve 203 and the second control valve 206；Specifically,
Two pressure sensors 208 and the 3rd pressure sensor 202 can detect supply respectively to the pressure and LNG of the natural gas of user terminal
The LNG of the one end of tank case 300 output pressure, the first temperature sensor 207 can detect supply to the temperature of the natural gas of user terminal
Degree, and then, when the detection signal of second pressure sensor 208, the 3rd pressure sensor 202 and the first temperature sensor 207 surpasses
When going out its setting range, controller can then automatically control the first control valve 203 and/or the second control valve 206 is closed, to ensure
The safety of feed flow operating process.
As shown in figure 1, on the basis of above-described embodiment, in a kind of specific embodiment, the utility model embodiment carries
In the LNG feeders of confession, liquid feeding channel can also include a surge tank 210, and the surge tank 210 is arranged at gasification installation 204
Between regulator 205；
Further, above-mentioned surge tank 210 can be connected with safety vent pipeline, specifically, the safety vent pipeline one
End is connected with surge tank 210, and the other end connects with airspace, and the safety vent pipeline is provided with the first safety valve 211；
When the pressure in surge tank 210 exceedes a certain threshold value, first safety valve 211 can automatically turn on, and allow for surge tank
Natural gas diffusion in 210 is into air, so as to alleviate surge tank 210 and the pressure in air supply channel, and then further
Ensure the safety of supply process.
As shown in figure 1, on the basis of above-described embodiment, in a kind of specific embodiment, liquid feeding channel can also include
The 4th pressure sensor 214 being arranged on surge tank 210, specifically, the 4th pressure sensor 214 connect with controller signals
Connect, for detecting the air pressure in surge tank 210 and detection signal being sent into controller.
As shown in figure 1, on the basis of above-described embodiment, in a kind of specific embodiment, the utility model embodiment carries
The LNG feeders of confession, safety can also be included and diffuse passage, the safety diffuses passage end and the first control in liquid feeding channel
Pipeline between valve 203 and gasification installation 204 is connected, and the other end is connected with surge tank 210；And the safety is diffused on passage
Provided with the second safety valve 212.
Further, the LNG feeders that the utility model embodiment provides, can also include the first pipeline, this first
Pipeline one end is connected with the pipeline in Pressure channel between the first gasifier 103 and the second stop valve 105, the other end and safety
Passage is diffused to be connected；And first pipeline is provided with the 3rd safety valve 213.
Passage is diffused by above-mentioned safety one section of transfer pipeline of liquid feeding channel can be connected with surge tank 210, and is led to
Cross the second safety valve 212 and control its break-make；And then when stop due to system, operational error or operation go wrong and caused
When thering is the natural gas of residual to have little time manual releasing in the pipeline of liquid feeding channel, it can be risen by the automatic of the second safety valve 212
The release for realizing pipeline is jumped, natural gas is discharged into surge tank 210；Similarly, above-mentioned first pipeline is by the one of Pressure channel
Duan Guanlu connects with surge tank 210, and controls break-make by the 3rd safety valve 213；And then when stopping due to system, operate mistake
When by mistake or operation goes wrong and causes to have the natural gas of residual to have little time manual releasing in the pipeline of Pressure channel, Ke Yitong
The release of pipeline is realized in the automatic take-off for crossing the 3rd safety valve 213, and natural gas is discharged into surge tank 210；In addition, when slow
When the pressure rushed in tank 210 reaches setup pressure value, it can be risen automatically by the first safety valve 211 on safety vent pipeline
Jump, realization is finally discharged into the atmosphere；Therefore, above-mentioned setting can be realized to remaining natural gas in liquid feeding channel and Pressure channel
And then two level is diffused, to avoid natural gas from being diffused in the very first time in air.
Preferably, safety vent pipeline, safe diffuse can also be respectively equipped with hand stop valve on passage and the first pipeline,
In order to control diffusing for natural gas in pipelines at different levels manually.
As shown in figure 1, on the basis of above-described embodiment, in a kind of specific embodiment, the utility model embodiment carries
In the LNG feeders of confession, liquid feeding channel can also include being arranged between gasification installation 204 and surge tank 210 on pipeline
Second temperature sensor 215, the temperature of the natural gas of this section of pipeline is flowed through for detection；
Further, gasification installation 204 can include mutually and even at least two gasification pipes, each gasification pipe from
Include the 4th control valve 216, the second gasifier 217 and the being sequentially connected on first control valve 203 to the direction of surge tank 210
Four stop valves 218；
Further, controller can be with the 4th control in above-mentioned second temperature sensor 215 and each gasification pipe
Signal connects between valve 216, also, the controller can be according to the temperature signal of second temperature sensor 215, and control is above-mentioned extremely
The 4th control valve 216 switching folding in few two gasification pipes, you can with by setting programme-control in controller per for the moment
Between section open different gasification pipe, and then switching uses the second different gasifiers 217 at regular intervals.
For example, gasification installation 204 can include two gasification pipes, second temperature sensor 215 can detect in real time by
The natural gas temperature that gasification installation 204 exports, and the temperature signal is sent to controller, when second temperature sensor 215 is examined
When the temperature measured is less than demand temperature, controller can automatically control the use state switching of two gasification pipes, that is, control
4th control valve 216 of currently used gasification pipe is closed while opens the 4th control valve 216 of another gasification pipe
Open, so as to ensure that the working condition of gasification installation 204 is continual and steady.
As shown in figure 1, on the basis of the various embodiments described above, in a kind of specific embodiment, the utility model embodiment
The LNG feeders of offer, second pipe, one end of the second pipe and the first gasifier 103 and second section can also be included
Only the pipeline between valve 105 is connected, and the pipeline between the other end and the first control valve 203 and gasification installation 204 is connected；And this
Two pipelines are provided with the 5th control valve 219；
Further, in the LNG feeders that the utility model embodiment provides, controller is believed with the 5th control valve 219
Number connection, for control the 5th control valve 219 folding.
Specifically, when the pressure of LNG tank case 300 or the hypertonia of Pressure channel, the 5th can be opened by controller
Control valve 219, with by the gasification burning in Pressure channel be discharged into liquid feeding channel be used for supply user use.
Alternatively, Pressure channel is also provided with the 5th pressure between the first stop valve 101 and the first pressure regulator valve 102
Sensor 220；Further, controller can be according to the pressure sensing of first pressure sensor 104 and the 5th in Pressure channel
The pressure signal of device 220 carries out automatic control and adjustment to the 5th control valve 219.
On the basis of the various embodiments described above, in a kind of specific embodiment, every section of pipeline for being provided with pressure sensor
On be also provided with pressure gauge；Corresponded, be used cooperatively with pressure sensor using pressure gauge, wherein, pressure sensor
For pressure signal to be sent to controller, pressure gauge is used to directly display out by intensity of pressure value, in order to staff
Can reading on the spot.
As shown in figure 1, on the basis of the various embodiments described above, in a kind of specific embodiment, the utility model embodiment
In the LNG feeders of offer, regulator 205 can include and even two pressure regulation pipelines, each pressure regulation pipeline include according to
The 5th stop valve 221, the second pressure regulator valve 222 and the 6th stop valve 223 of secondary connection.
Alternatively, the second pressure regulator valve 222 can be realized according to the Fluid pressure in the pipeline of place automatically adjusts aperture, and then
Control the fluid flow of final output；Therefore, above-mentioned pressure regulation pipeline can be automatically adjusted by its second pressure regulator valve 222 and is delivered to
The flow of the natural gas of user terminal, to meet the natural gas output condition of user terminal.Certainly, above-mentioned second pressure regulator valve 222 also may be used
Its aperture is controlled to adjust with the signal by controller.
Above-mentioned regulator 205 is provided with two pressure regulation pipelines in parallel, and then, can be with when one of break down
Another is enabled, so as to be repaired in the state of uninterrupted supply；Specifically, to the second of a certain pressure regulation pipeline
When pressure regulator valve 222 is repaired, the 5th stop valve 221 at its both ends and the 6th stop valve 223 can be closed, and then, can be with
Rapid-maintenance is realized in the case where not influenceing liquid feeding channel work.
It should be noted that above-mentioned each stop valve can be hand stop valve；Above-mentioned each pressure regulator valve and control valve not only may be used
To be controlled by the signal of controller, can also manually control.
As shown in figure 1, on the basis of the various embodiments described above, in a kind of specific embodiment, the utility model embodiment
In the LNG feeders of offer, liquid feeding channel can also include being arranged between the 3rd stop valve 201 and the first control valve 203
Low temperature filter 224；And it is arranged at the check valve 225 between the first control valve 203 and gasification installation 204；
Further, liquid feeding channel can also include being arranged between the second control valve 206 and user's pipe interface 209
Flowmeter 226, and the odorization machine 227 being arranged between flowmeter 226 and user's pipe interface 209；Wherein, flowmeter 226
It is connected with controller signals；It is alternatively possible to detect the flow of feed liquid pipeline by flowmeter 226, and then realize to LNG tank case
300 service condition is monitored；Specifically, controller can set alarm point according to the LNG amounts in initial LNG tank case 300, when
Flowmeter 226 detects interim total flow close to during initial total amount, controller then controls alarm to start in LNG tank case 300
Alarm, and terminal server group is transferred signals to, terminal server group can transmit a signal to the LNG grooves of near zone
Car, LNG tank cars can be consulted to go to after receiving signal, so as to realize Automatic dispatching.
As depicted in figs. 1 and 2, the utility model embodiment additionally provides a kind of LNG air supply systems, the LNG air supply systems
Including the LNG feeders in any of the above-described embodiment；The LNG air supply systems can also include being connected with the LNG feeders
LNG tank case 300；Specifically, the LNG tank case 300 can be LNG tank car tank casees either LNG movable tank casees；LNG supply dresses
In putting, liquid phase fast interface 100 and boost fluid gas fast interface 106 liquid phase pipeline with LNG tank case 300 respectively are pressurized
302 are connected with a gas phase pipeline 301；Another phase of liquid phase pipeline 303 of LNG feed flows fast interface 200 and LNG tank case 300
Even.
As depicted in figs. 1 and 2, on the basis of above-described embodiment, in a kind of specific embodiment, the utility model is implemented
In the LNG air supply systems that example provides, LNG feeders can also include the first combustion gas detection being connected with its signal of controller 1
Device 20, the second gas detector 30, the 3rd gas detector 40 and hygrosensor 50；Wherein,
First gas detector 10 is located near the liquid phase pipeline 302/303 and gas phase pipeline 301 of LNG tank case 300, is used for
Detect the gas concentration of the neighbouring air of LNG tank case 300 and LNG feeders connecting interface, and by gas concentration information send to
Controller 1；
Second gas detector 30 is located near user's pipe interface 209, empty nearby for detecting user's pipe interface 209
Gas concentration in gas, and gas concentration information is sent to controller 1；
3rd gas detector 40, near gasification installation 204, for detecting near gasification installation 204 in air
Gas concentration, and gas concentration information is sent to controller 1；
Hygrosensor 50 is located near gasification installation 204, for sensing the temperature of air near gasification installation 204, and
Temperature information is sent to controller 1.
In the region of LNG tank case 300, the region of gasification installation 204, final supply region, the first gas detector is set respectively
20th, the second gas detector 30, hygrosensor 50, and the 3rd gas detector 40, it is possible to achieve to whole air supply system
Real-time monitoring.Furthermore it is also possible to camera is installed in the region of gasification installation 204, to realize the video monitoring to device context.
As shown in figure 3, on the basis of above-described embodiment, in a kind of specific embodiment, the utility model embodiment carries
The LNG air supply systems of confession can also include：
Client 2 on the spot, client 2 is used for policer operation service on the spot on the spot for this；Specifically, client 2 on the spot
It is connected with the signal of controller 1 in LNG feeders, the signal for being provided according to controller 1 shows the work of LNG feeders
Make state, and can be used for the control operation of drive control device 1；Alternatively, this client 2 can include touch-screen on the spot, and
Built-in configuration software；
Terminal server 3, the terminal server 3 are used for remote monitoring activities；Specifically, the terminal server 3 supplies with LNG
The signal of controller 1 connection in device of air, the signal that can also be provided according to controller 1 show the work shape of LNG feeders
State, and can be with the work of drive control device 1；
Mobile client 4, it is connected with the signal of terminal server 3；For obtaining LNG feeders by terminal server 3
Work state information, and the work of the drive control device 1 of terminal server 3 can be passed through；Alternatively, the mobile client 4 can
" to put including " awarding " client end AP P applications and supply house keeper ", for handling the information of LNG air supply systems.
In LNG feeders, controller 1 can receive all the sensors in LNG feeders, flowmeter and detector
Signal, and according to the program set in the signals such as acquired pressure, temperature and flow and controller come control each pressure regulator valve and
The action of control valve, so as to realize the work for automatically controlling LNG feeders；Also, the controller 1 can also will be acquired
The signals such as pressure, temperature and flow are transferred to terminal server 3, and terminal server 3 according to above-mentioned signal and can pass through control
Device 1 realizes remote control；In addition, terminal server 3 can transfer signals to mobile client 4, mobile client 4 simultaneously
" awarding " the client end AP P applications of installation can also realize monitoring to device parameter and right by terminal server 3 and controller 1
The control operation of each valve.In addition, it can realize that equipment is run in client 2 on the spot, terminal server 3, mobile client 4
The real-time monitoring of parameter and video, while emergency cut-off function is also may be provided with, need fast shut-off when being in an emergency
When, it can be closed successively with each valve of a key control, so as to realizing long-range cut-out.
Alternatively, above-mentioned terminal server 3 can be connected with multiple LNG feeders signals simultaneously, i.e. realization pair simultaneously
The monitoring of multiple LNG feeders, also, above-mentioned terminal server 3 can be set by carrying out authority to multiple mobile clients 4
Put, change remote monitoring authority of the different mobile clients 4 to LNG air supply systems.
As shown in Figure 1, Figure 2 and Figure 4, the LNG feeders provided based on the utility model embodiment, the utility model are real
Apply example and additionally provide a kind of workflow of LNG feeders；The workflow includes：
Step S101, open the first stop valve 101, the second stop valve 105 and the 3rd stop valve 201；
Step S102, controller 1 control the first pressure regulator valve 102 to open；And when the pressure of first pressure sensor 104 is believed
During number beyond the first setting pressure limit, controller 1 controls first pressure regulator valve 102 to act, until first pressure sensor 104
Pressure signal is reached in the first setting pressure limit；Now, the LNG in LNG tank case 300 can be from supercharging liquid phase fast interface
100 enter pressure pipeline, and can be transmitted back to LNG tank from boost fluid gas fast interface 106 after the gasification of the first gasifier 103
Case 300, it is pressurized so as to be embodied as LNG tank case 300；
Step S103, controller 1 control the first control valve 203 and the second control valve 206 to open；Now, LNG tank case 300
Interior LNG can enter feed liquid pipeline from LNG feed flows fast interface 200, and from user's pipeline after the gasification of gasification installation 204
Interface 209 is exported to user terminal；Also, when the pressure signal of second pressure sensor 208 is beyond the second setting pressure limit；
And/or the 3rd pressure sensor 202 pressure signal beyond the 3rd setting pressure limit；And/or first temperature sensor 207
Temperature signal when exceeding the first design temperature scope, controller 1 controls to adjust the first control valve 203 and/or the second control valve
206 close.
As shown in Fig. 2 the utility model embodiment additionally provides a kind of workflow of LNG air supply systems, the workflow
Journey can include：
Controller 1 receives the signal of each sensor, detector and flowmeter, and these signals are sent to objective on the spot
Family end 2 and terminal server 3；
The signal that client 2 provides according to controller 1 on the spot shows the working condition and drive control of LNG feeders
The control operation of device 1；
The signal that terminal server 3 provides according to controller 1 shows the working condition and drive control of LNG feeders
The control operation of device 1；
The signal that terminal server 3 provides controller sends to mobile client 4, mobile client 4 and taken by terminal
The control operation for the drive control device 1 of device 3 of being engaged in.
Obviously, those skilled in the art can to the utility model embodiment carry out it is various change and modification without departing from
Spirit and scope of the present utility model.So, if these modifications and variations of the present utility model belong to the utility model right
It is required that and its within the scope of equivalent technologies, then the utility model be also intended to comprising these change and modification including.
Claims (10)
1. a kind of LNG feeders, including Pressure channel and liquid feeding channel；The Pressure channel includes the boost fluid being sequentially connected
Phase fast interface, the first stop valve, the first gasifier, the second stop valve and supercharging gas phase fast interface；The liquid feeding channel bag
Include LNG feed flows fast interface, the 3rd stop valve, gasification installation, regulator and the user's pipe interface being sequentially connected；Its feature
It is,
The Pressure channel also includes：
First pressure regulator valve, it is arranged between first stop valve and first gasifier；
First pressure sensor, it is arranged between first gasifier and second stop valve；
The liquid feeding channel also includes：
First control valve, it is arranged between the 3rd stop valve and the gasification installation；
Second pressure sensor, it is arranged between the regulator and user's pipe interface；
First temperature sensor, it is arranged between the regulator and user's pipe interface；
The LNG feeders also include controller, and the controller senses with first pressure regulator valve, first pressure respectively
Device, the first control valve, second pressure sensor and the connection of the first temperature sensor signal, are used for：
The aperture of first pressure regulator valve is controlled to adjust according to the pressure signal of the first pressure sensor；
According to the second pressure sensor and the signal of first temperature sensor, first control valve is controlled to adjust
Folding.
2. LNG feeders according to claim 1, it is characterised in that
The liquid feeding channel also includes：
Second control valve, it is arranged between the regulator and user's pipe interface；
3rd pressure sensor, it is arranged between the 3rd stop valve and first control valve；
The controller is connected with second control valve and the 3rd pressure sensor signal respectively, is used for：
According to the signal of the second pressure sensor, the 3rd pressure sensor and first temperature sensor, control
Adjust the folding of first control valve and second control valve.
3. LNG feeders according to claim 2, it is characterised in that the liquid feeding channel also includes：
Surge tank, it is arranged between the gasification installation and the regulator；
Safety vent pipeline, one end are connected with the surge tank, and the other end connects with airspace；The safety vent pipeline
It is provided with the first safety valve；
4th pressure sensor, it is arranged on the surge tank, the 4th pressure sensor is connected with the controller signals.
4. LNG feeders according to claim 3, it is characterised in that the liquid feeding channel also includes：
Second temperature sensor, it is arranged between the gasification installation and the surge tank；
The gasification installation include mutually and even at least two gasification pipes, each gasification pipe from first control valve to
Include the 4th control valve, the second gasifier and the 4th stop valve being sequentially connected on the direction of the surge tank；
The controller, it is connected, uses with the 4th control valve signal in the second temperature sensor and each gasification pipe
In the temperature signal according to the second temperature sensor, the 4th control Vavle switching at least two gasification pipe is controlled
Folding.
5. LNG feeders according to claim 3, it is characterised in that also include：
Safety diffuse passage, the pipeline between one end and first control valve and the gasification installation is connected, the other end with
The surge tank is connected；The safety diffuses passage and is provided with the second safety valve；
First pipeline, the pipeline between one end and first gasifier and second stop valve are connected, the other end and institute
Safety is stated to diffuse passage and be connected；First pipeline is provided with the 3rd safety valve.
6. LNG feeders according to claim 3, it is characterised in that also include：
Second pipe, the pipeline between one end and first gasifier and second stop valve are connected, the other end and institute
The pipeline stated between the first control valve and the gasification installation is connected；The second pipe is provided with the 5th control valve；
The controller is connected with the described 5th control valve signal, for controlling the folding of the 5th control valve.
7. the LNG feeders according to any one of claim 1~6, it is characterised in that
Two pressure regulation pipelines that the regulator includes and connected, each pressure regulation pipeline include be sequentially connected the 5th stop valve,
Second pressure regulator valve and the 6th stop valve.
8. the LNG feeders according to any one of claim 1~6, it is characterised in that the liquid feeding channel also includes：
Flowmeter, it is arranged between the regulator and user's pipe interface, the flowmeter is believed with the controller
Number connection.
9. the LNG feeders according to any one of claim 1~6, it is characterised in that also include：
First gas detector, it is connected with the controller signals, for detecting near supercharging gas phase fast interface in air
Gas concentration, and the gas concentration information is sent to the controller；
Second gas detector, it is connected with the controller signals, for detecting the combustion gas near user's pipe interface in air
Concentration, and the gas concentration information is sent to the controller；
3rd gas detector, it is connected with the controller signals, for detecting the gas concentration near gasification installation in air,
And the gas concentration information is sent to the controller；
Hygrosensor, it is connected with the controller signals, for sensing the temperature of air near gasification installation, and by the temperature
Degree information is sent to the controller.
10. a kind of LNG air supply systems, it is characterised in that including the LNG feeders as described in any one of claim 1~9；
And
Client on the spot, it is connected with the controller signals in the LNG feeders, for the letter provided according to the controller
The working condition of number display LNG feeders, and the control operation of the driving controller；
Terminal server, it is connected with the controller signals in the LNG feeders, the control for controller described in remote boot server
System operation；
Mobile client, it is connected with the terminal server signal；For obtaining the LNG feeders by terminal server
Work state information, and pass through the control operation of the terminal server drive control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720801168.1U CN207112356U (en) | 2017-07-04 | 2017-07-04 | LNG feeders and LNG air supply systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720801168.1U CN207112356U (en) | 2017-07-04 | 2017-07-04 | LNG feeders and LNG air supply systems |
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| Publication Number | Publication Date |
|---|---|
| CN207112356U true CN207112356U (en) | 2018-03-16 |
Family
ID=61586633
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|---|---|---|---|
| CN201720801168.1U Active CN207112356U (en) | 2017-07-04 | 2017-07-04 | LNG feeders and LNG air supply systems |
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| Country | Link |
|---|---|
| CN (1) | CN207112356U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883185A (en) * | 2017-07-04 | 2018-04-06 | 上海新奥新能源技术有限公司 | LNG feeders and its workflow, LNG air supply systems |
| CN113188044A (en) * | 2021-05-27 | 2021-07-30 | 无锡华润燃气有限公司 | Multi-pry linkage emergency intelligent power protection and supply system |
| CN114454710A (en) * | 2021-12-22 | 2022-05-10 | 易万普环保科技(苏州)有限公司 | LNG vehicle-mounted intelligent gas control system and control method thereof |
-
2017
- 2017-07-04 CN CN201720801168.1U patent/CN207112356U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883185A (en) * | 2017-07-04 | 2018-04-06 | 上海新奥新能源技术有限公司 | LNG feeders and its workflow, LNG air supply systems |
| CN113188044A (en) * | 2021-05-27 | 2021-07-30 | 无锡华润燃气有限公司 | Multi-pry linkage emergency intelligent power protection and supply system |
| CN114454710A (en) * | 2021-12-22 | 2022-05-10 | 易万普环保科技(苏州)有限公司 | LNG vehicle-mounted intelligent gas control system and control method thereof |
| CN114454710B (en) * | 2021-12-22 | 2024-05-03 | 易万普环保科技(苏州)有限公司 | LNG vehicle-mounted intelligent gas control system and control method thereof |
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