CN205877725U - Natural gas intelligence heat transfer regulator - Google Patents
Natural gas intelligence heat transfer regulator Download PDFInfo
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- CN205877725U CN205877725U CN201620790901.XU CN201620790901U CN205877725U CN 205877725 U CN205877725 U CN 205877725U CN 201620790901 U CN201620790901 U CN 201620790901U CN 205877725 U CN205877725 U CN 205877725U
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Abstract
The utility model discloses a natural gas intelligence heat transfer regulator, including pressure regulating system, heat transfer system and control system, pressure regulating system sets up between high pressure line and low pressure pipeline, and pressure regulating system includes heat exchanger, safety shut -off valve, first voltage regulator, turbine and second voltage regulator, heat transfer system heat exchanger, compressor, evaporimeter and expansion valve, control system includes PLC controller, clutch, speed sensor, touch -sensitive screen, pressure sensor and temperature sensor, and pressure sensor and temperature sensor all set up the pipeline at low pressure pipeline front end, and speed sensor sets up on the mechanical axis of turbine, heat transfer system's compressor is connected through the turbine of clutch with pressure regulating system. The utility model discloses carry out make full use of to pipeline pressure differential, need not to use gas boiler and electric heater to carry out the heat transfer to the regulator, avoided the waste of the energy, reduced manufacturing cost.
Description
Technical field
This utility model relates to the technical field of natural gas applications, is specifically related to a kind of natural gas intelligent heat exchange pressure regulation dress
Put.
Background technology
Along with natural gas is widely applied in commercial production as clean energy resource, at the proportion shared by energy resource consumption
By increasing, in the problem such as environment, improvement haze, there is very important effect to improving.
At present, the transport of domestic and international natural gas mainly uses the means such as compression boosting and low-temperature liquefaction, no matter which kind of uses
Mode, to user, is required for blood pressure lowering and processes during use.Conventional buck mode is all to carry out throttling expansion, the most in vain by choke valve
Waste kinetic energy produced by a large amount of pressure reduction in vain, and need substantial amounts of heat that gas is heated, to offset throttling expansion
Produced cold energy, overcomes the damage that pipeline and voltage adjusting device are caused by cryogenic natural gas.At present, Gas Pressure Regulating Equipment heat exchange
System all uses electrical heating or boiler to add hot water, then by water and heat exchange gas.Electrical heating needs pressure regulation place to provide relatively
Big power supply capacity, and efficiency is low, energy consumption is high, uses in explosion-proof place and there is also potential safety hazard.Boiler heating needs in peace
The whole district sets up boiler room, is connected on the equipment of anti-explosion area investment by pipeline big, and boiler life is generally 1 year.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides a kind of natural gas intelligent heat exchange regulator, to pipe
Road pressure reduction makes full use of, it is not necessary to use gas fired-boiler and electric heater that regulator is carried out heat exchange, it is to avoid the energy
Waste, reduces production cost.
In order to achieve the above object, the technical solution of the utility model is: a kind of natural gas intelligent heat exchange regulator, bag
Including voltage-regulating system, heat-exchange system and control system, described voltage-regulating system is arranged between high pressure line and low-pressure line, pressure regulation system
System includes heat exchanger, safety cut-off valve, the first pressure regulator, turbine and the second pressure regulator, heat exchanger one end and high pressure line phase
Connect, the heat exchanger other end is connected with safety cut-off valve, and safety cut-off valve and the first pressure regulator are connected, the first pressure regulator and
Turbine is connected, and turbine is connected with low-pressure line, and the second pressure regulator is connected in parallel with turbine；Described heat-exchange system changes
Hot device, compressor, vaporizer and expansion valve, compressor is connected with heat exchanger, and heat exchanger is connected with expansion valve, expansion valve with
Vaporizer, vaporizer is connected with compressor；Described control system includes PLC, clutch, speed probe, touch
Screen, pressure transducer and temperature sensor, clutch, speed probe, touch screen, pressure transducer and temperature sensor all with
PLC is connected, and pressure transducer and temperature sensor are arranged at the pipeline of low-pressure line front end, and speed probe sets
Put on the mechanical axis of turbine；The compressor of described heat-exchange system is connected with the turbine of voltage-regulating system by clutch.
Described first pressure regulator is Self operated Regulator.
Described first pressure regulator is electric voltage regulator, and the first pressure regulator is connected with PLC.
The beneficial effects of the utility model: have self-energy management functionality, in the flow hour low generation of turbine rotating speed
Kinetic energy little, the kinetic energy that turbine rotating speed height produces when flow is big is big, little with in flow hour needs heat exchange amount, big at flow
Time need heat exchange amount the most proportional, it is possible to achieve heat exchange energy self-sufficient, have that integrated level is high, operation cost is low,
The many advantages such as little, environmental protection are affected by ambient temperature.Pipeline pressure reduction is made full use of by this utility model, it is not necessary to make
With gas fired-boiler and electric heater, regulator is carried out heat exchange, it is to avoid the waste of the energy, reduce production cost.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
In figure, 1 is heat exchanger, and 2 is safety cut-off valve, and 3 is the first pressure regulator, and 4 is turbine, and 5 is the second pressure regulator, 6
For speed probe, 7 is pressure transducer, and 8 is clutch, and 9 is compressor, and 10 is vaporizer, and 11 is expansion valve, and 12 is temperature
Sensor, 13 is PLC, and 14 is high pressure line, and 15 is low-pressure line.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under paying creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
A kind of natural gas intelligent heat exchange regulator, including voltage-regulating system, heat-exchange system and control system, described pressure regulation system
System is arranged between high pressure line 14 and low-pressure line 15, and voltage-regulating system includes heat exchanger 1, safety cut-off valve the 2, first pressure regulator
3, turbine 4 and the second pressure regulator 5, heat exchanger 1 one end is connected with high pressure line 14, heat exchanger 1 other end and safety cut-off
Valve 2 is connected, and safety cut-off valve 2 is connected with the first pressure regulator 3, and the first pressure regulator 3 is connected with turbine 4, turbine 4 with
Low-pressure line 15 is connected, and the second pressure regulator 5 is connected in parallel with turbine 4.Described heat-exchange system heat exchanger 1, compressor 9, steaming
Sending out device 10 and expansion valve 11, compressor 9 is connected with heat exchanger 1, and heat exchanger 1 is connected with expansion valve 11, expansion valve 11 and steaming
Sending out device 10, vaporizer 10 is connected with compressor 9.Described control system includes PLC 13, clutch 8, speed probe
6, touch screen 16, pressure transducer 7 and temperature sensor 12, clutch 8, speed probe 6, touch screen 16, pressure transducer 7
All being connected with PLC 13 with temperature sensor 12, pressure transducer 7 and temperature sensor 12 are arranged at low-pressure line
The pipeline of 15 front ends, speed probe 6 is arranged on the mechanical axis of turbine 4.Touch screen 16 is HMI touch screen, with PLC control
Realize man-machine interaction between device 13, i.e. PLC 13 makes speed probe 6, pressure transducer 7 and temperature sensor 12 detect
Data show in real time on touch screen 16, staff can regulate clutch the 8, first pressure regulator by touch screen 16 simultaneously
3, the duty of the second pressure regulator 5.The compressor 9 of described heat-exchange system turbine 4 phase by clutch 8 with voltage-regulating system
Connect.
Natural gas via is crossed high pressure line 14 and is entered heat exchanger 1 and heat, and the natural gas after heating is through safety cut-off valve 2
Enter the first pressure regulator 3, then exported to low-pressure line 15 by turbine 4 or the second pressure regulator 5.Under normal circumstances, safety
Stop valve 2 and the first pressure regulator 3 are shown in a fully open operation, and when flow is the least, natural gas gives the low of downstream by the second pressure regulator 5
Pressure pipeline 15 supplies, and heat-exchange system does not works.When flow is bigger, the second pressure regulator 5 can not meet the low-pressure line 15 in downstream
Demand, natural gas promotes the impeller rotating flow low-pressure line 15 downstream of turbine 4, meets the low-pressure line 15 in downstream
The demand of flow.
When down stream low pressure pipeline demand is big, natural gas promotes the impeller of turbine 4 to rotate, and is arranged on turbine 4 machine
The velocity sensor 6 of tool axle detects the rotating speed of turbine 4.Meanwhile, pressure transducer 7 and temperature sensor 12 detect low-pressure line
The pressure and temperature of 15 front ends, when the rotating speed of turbine 4 and the pressure of low-pressure line 15 front end reach setting value, control system
PCL controller 13 make clutch 8 adhesive, drive compressor 9 to rotate.The kinetic energy utilizing turbine 4 to rotate drives compressor 9 work
Make, so that heat-exchange system work.Compressor 9 work makes the heat-conducting medium compression of heat-exchange system heat up, by heat exchanger 1 and sky
So gas carries out heat exchange, and the heat-conducting medium after heat exchange is reduced pressure by expansion valve 11, after vaporizer 10 cools down, again supplies compressor
9 recycle.Control system according to the real time temperature of the temperature sensor 12 of low-pressure line 15, can control the adhesive of clutch 8
Control heat-exchange system work with separating and shut down.Compressor 9 is connected with turbine 4 by clutch 8, makes full use of pressure regulation
The kinetic energy of natural gas flow in system, makes heat-exchange system need not power supply.Meanwhile, needed for the flow of voltage-regulating system and heat-exchange system
Heat exchange amount is proportional, when flow is big, needs heat exchange amount big, when flow is little, needs heat exchange amount little.
Pressure transducer 7 monitors the pressure of the low-pressure line 15 in downstream, when pressure exceedes setting value, the first pressure regulation in real time
Device 3 is started working, it is ensured that low-pressure line 15 pressure in downstream is in controlled range.Lost efficacy having emergency case or all pressure regulators
Time, safety cut-off valve 2 is closed, and cuts off the natural gas supply to downstream line 15, and the first pressure regulator 3 guarantees down stream low pressure pipeline
Safety.
Preferably, described first pressure regulator 3 is Self operated Regulator, can rely on and flow between high pressure line and low-pressure line
The pressure change of dynamic medium self automatically adjusts, and keeps when flow changes on the pipeline of down stream low pressure pipeline 15
Pressure constant.
Preferably, described first pressure regulator 3 is electric voltage regulator, and the first pressure regulator 3 is connected with PLC 13.PLC
The pressure of the pipeline of low-pressure line 15 front end that controller 13 detects according to pressure transducer 7 regulates the first pressure regulator 3 and makes pipeline
On pressure keep constant.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not
Being confined to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in
Change or replacement, all should contain within protection domain of the present utility model.
Claims (3)
1. a natural gas intelligent heat exchange regulator, it is characterised in that include voltage-regulating system, heat-exchange system and control system,
Described voltage-regulating system is arranged between high pressure line (14) and low-pressure line (15), and voltage-regulating system includes that heat exchanger (1), safety are cut
Disconnected valve (2), the first pressure regulator (3), turbine (4) and the second pressure regulator (5), heat exchanger (1) one end and high pressure line (14) phase
Connecting, heat exchanger (1) other end is connected with safety cut-off valve (2), and safety cut-off valve (2) is connected with the first pressure regulator (3),
First pressure regulator (3) is connected with turbine (4), and turbine (4) is connected with low-pressure line (15), the second pressure regulator (5) with
Turbine (4) is connected in parallel；Described heat-exchange system heat exchanger (1), compressor (9), vaporizer (10) and expansion valve (11), compression
Machine (9) is connected with heat exchanger (1), and heat exchanger (1) is connected with expansion valve (11), expansion valve (11) and vaporizer (10), steams
Send out device (10) to be connected with compressor (9)；Described control system includes PLC (13), clutch (8), speed probe
(6), touch screen (16), pressure transducer (7) and temperature sensor (12), clutch (8), speed probe (6), touch screen
(16), pressure transducer (7) be all connected with PLC (13) with temperature sensor (12), pressure transducer (7) and temperature
Sensor (12) is arranged at the pipeline of low-pressure line (15) front end, and speed probe (6) is arranged on the mechanical axis of turbine (4)
On；The compressor (9) of described heat-exchange system is connected with the turbine (4) of voltage-regulating system by clutch (8).
Natural gas intelligent heat exchange regulator the most according to claim 1, it is characterised in that described first pressure regulator (3)
For Self operated Regulator.
Natural gas intelligent heat exchange regulator the most according to claim 1, it is characterised in that described first pressure regulator (3)
For electric voltage regulator, the first pressure regulator (3) is connected with PLC (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620790901.XU CN205877725U (en) | 2016-07-26 | 2016-07-26 | Natural gas intelligence heat transfer regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620790901.XU CN205877725U (en) | 2016-07-26 | 2016-07-26 | Natural gas intelligence heat transfer regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205877725U true CN205877725U (en) | 2017-01-11 |
Family
ID=57696930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620790901.XU Active CN205877725U (en) | 2016-07-26 | 2016-07-26 | Natural gas intelligence heat transfer regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205877725U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051465A (en) * | 2016-07-26 | 2016-10-26 | 郑州朗润智能装备股份有限公司 | Intelligent heat exchange and pressure regulating device of natural gas |
| CN112146271A (en) * | 2020-09-24 | 2020-12-29 | 中海石油(中国)有限公司 | Ultrahigh pressure heat exchange system |
-
2016
- 2016-07-26 CN CN201620790901.XU patent/CN205877725U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051465A (en) * | 2016-07-26 | 2016-10-26 | 郑州朗润智能装备股份有限公司 | Intelligent heat exchange and pressure regulating device of natural gas |
| CN112146271A (en) * | 2020-09-24 | 2020-12-29 | 中海石油(中国)有限公司 | Ultrahigh pressure heat exchange system |
| CN112146271B (en) * | 2020-09-24 | 2022-02-25 | 中海石油(中国)有限公司 | Ultrahigh pressure heat exchange system |
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