CN108443710A - Natural gas pressure regulating heating system and pressure regulating heating method - Google Patents
Natural gas pressure regulating heating system and pressure regulating heating method Download PDFInfo
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- CN108443710A CN108443710A CN201810254557.6A CN201810254557A CN108443710A CN 108443710 A CN108443710 A CN 108443710A CN 201810254557 A CN201810254557 A CN 201810254557A CN 108443710 A CN108443710 A CN 108443710A
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- natural gas
- temperature
- thermal medium
- pressure regulating
- regulating heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pipeline Systems (AREA)
Abstract
The present invention relates to a kind of natural gas pressure regulating heating system and pressure regulating heating method, natural gas pressure regulating heating system includes natural gas turbine, gas heater, thermal medium delivery pipe, thermal medium delivery pump and torque-transmitting mechanisms.Natural gas turbine is arranged on natural gas transmission pipeline.The thermal medium delivery pump is arranged in the thermal medium delivery pipe, and the torque output end of the natural gas turbine is connected by the torque-transmitting mechanisms with the torque input terminal of the thermal medium delivery pump.Above-mentioned natural gas pressure regulating heating system can overcome high-pressure natural gas due to pressure reduction and defect that temperature is greatly reduced, can ensure that gas pressure disclosure satisfy that user demand, energy consumption reduce with temperature.In addition, driving thermal medium delivery pump to convey thermal medium by the pressure potential of natural gas, the two inherent attribute realizes automatic coupling, can be not necessarily to configure speed regulation device to adjust thermal medium flow velocity, improve the economy of system.
Description
Technical field
The present invention relates to natural gas transportation technical fields, add more particularly to a kind of natural gas pressure regulating heating system and pressure regulation
Hot method.
Background technology
Natural gas is a kind of fuel of clean and effective, as people are to the pay attention to day by day of environmental requirement, live and produces
Demand is increasing.To meet people's supply requirement growing to natural gas, natural gas transmission pipeline is constantly to big mouth
Diameter, high pressure direction develop.The conveying of pipe natural gas at present mostly uses greatly the defeated mode of high-voltage tube, such as transfering natural gas from the west to the east pipe
Line pressure is 10Mpa, and the gas for domestic use pressure of resident is relatively low, generally 0.2MPa;Most of productions are not also high with atmospheric pressure,
Such as gas Combined cycle Power Plant, gas pressure 2Mpa~4Mpa required by gas turbine.
Therefore, gas line network by natural gas transportation to life, production power plant during, usually by pressure regulator valve to natural gas
Carry out reducing pressure by regulating flow.In addition, be based on natural gas own physical characteristic, the temperature of natural gas can with the reduction of gas pressure and
Decline, gas pressure often declines 1MPa, and natural gas temperature reduces about 5-10 DEG C.Pipeline natural gas temperature often 0~
20 DEG C or so, after high-pressure natural gas pressure regulation decompression, natural gas temperature would fall to 0 DEG C hereinafter, so being given birth to meet people's life
To the requirement of natural gas temperature in production, also needs to carry out heat temperature raising processing to natural gas, will cause consumption compared with multiple-energy-source in this way.
Invention content
Based on this, it is necessary to overcome the deficiencies of existing technologies, provide a kind of natural gas pressure regulating heating system and pressure regulating heating
Method, it can reduce energy consumption, reduce cost.
Its technical solution is as follows:A kind of natural gas pressure regulating heating system, including:Natural gas turbine, the natural gas turbine
It is arranged on natural gas transmission pipeline;Gas heater and thermal medium delivery pipe, the gas heater are equipped with first and are situated between
Matter pipeline and the second medium pipeline coordinated with first medium pipeline heat exchange, the first medium pipeline is used for and the day
Right gas gas transmission line connection, the second medium pipeline are connected to the thermal medium delivery pipe, and the thermal medium delivery pipe is used for
It is connected to thermal medium source;Thermal medium delivery pump and torque-transmitting mechanisms, the thermal medium delivery pump setting are defeated in the thermal medium
It send on pipe, the torque that the torque output end of the natural gas turbine passes through the torque-transmitting mechanisms and the thermal medium delivery pump
Input terminal is connected.
A kind of natural gas pressure regulating heating means use the natural gas pressure regulating heating system, include the following steps:Institute
When stating high-pressure natural gas on natural gas transmission pipeline and passing through the natural gas turbine, the natural gas turbine is by high-pressure natural gas
Pressure reduction to preset pressure, while the natural gas turbine transmits torque to the heat by the torque-transmitting mechanisms
Medium delivery pump drives the thermal medium to convey pump work.
Above-mentioned natural gas pressure regulating heating system and pressure regulating heating method, the high-pressure natural gas warp on natural gas transmission pipeline
When crossing natural gas turbine, natural gas turbine makes the pressure reduction of high-pressure natural gas to required preset pressure, while natural
The pressure potential of natural gas can be converted into torque output by gas turbine, and thermal medium delivery pump is passed to by torque-transmitting mechanisms
To drive thermal medium to convey pump work.Thermal medium is driven to be constantly delivered to gas heater in a steady stream when thermal medium conveys pump work
Second medium pipeline in, the thermal medium in second medium pipeline heats the natural gas in first medium pipeline,
So as to overcome high-pressure natural gas due to pressure reduction and defect that temperature is greatly reduced, it can ensure gas pressure and temperature
Degree disclosure satisfy that user demand, be made full use of to high-pressure natural gas pressure potential, and energy consumption reduces.In addition, high pressure day
The pressure potential of right gas and pressure difference positive correlation before and after gas discharge size, high-low pressure natural gas, gas discharge is bigger, pressure difference
Higher, pressure potential is bigger, and torque-transmitting mechanisms drive thermal medium conveying revolution speed bigger, and more thermal medium is input to second
It exchanges heat with the natural gas of larger flow in medium pipeline.In this way, driving thermal medium defeated by the pressure potential of natural gas
It send pump conveying thermal medium, the two inherent attribute to realize automatic coupling, can be not necessarily to configure speed regulation device to adjust thermal medium flow velocity, carry
The high economy of system.
Further, the natural gas pressure regulating heating system further includes the first temperature inductor and flow control valve, institute
It states the first temperature inductor to be arranged on the natural gas transmission pipeline, first temperature inductor is located at the natural gas and adds
The downstream of hot device, the natural gas turbine are located at the upstream of the gas heater, and first temperature inductor is for obtaining
The temperature of natural gas after taking decompression to heat, first temperature inductor are electrically connected with the flow control valve, the stream
Control valve is used to increase when the natural gas temperature is less than the first preset value aperture, and for big in the natural gas temperature
Reduce aperture when the first preset value.
Further, the natural gas pressure regulating heating system further includes the first temperature inductor and flow control valve, institute
It states the first temperature inductor to be arranged on the natural gas transmission pipeline, it is saturating that first temperature inductor is located at the natural gas
Flat downstream, the natural gas turbine are located at the downstream of the gas heater, and first temperature inductor is for obtaining
The temperature of natural gas after decompression, first temperature inductor are electrically connected with the flow control valve, the flow control
Valve is used to increase when the natural gas temperature is less than the first preset value aperture, and for being more than first in the natural gas temperature
Reduce aperture when preset value.
Further, the natural gas pressure regulating heating system further includes controller, and the controller is respectively with described
One temperature inductor, the flow control valve are electrically connected, and the controller is used to be less than first in the natural gas temperature pre-
If increasing the aperture of the flow control valve when value, and for reducing institute when the natural gas temperature is more than the first preset value
State the aperture of flow control valve.
Further, the natural gas pressure regulating heating system further includes second temperature inductor, the second temperature sense
Answer device be arranged in the thermal medium delivery pipe and positioned at the gas heater upstream, the second temperature inductor with
The controller is electrically connected, and the second temperature inductor is for obtaining the thermal medium temperature for inputing to the gas heater
Degree, the controller are used to determine the heat medium temperature for inputing to the gas heater less than the second preset value time control
It makes the thermal medium source and improves heat medium temperature, and for determining the thermal medium temperature for inputing to the gas heater
Degree controls the thermal medium source when being more than the second preset value reduce heat medium temperature.
Further, the natural gas pressure regulating heating system further includes alarm, the alarm and the controller
It is electrically connected, the alarm is used to carry out actuation of an alarm when the natural gas temperature is less than third preset value.
Further, the natural gas pressure regulating heating system further includes voltage-stablizer, and the voltage-stablizer is for being arranged in institute
State the downstream on natural gas transmission pipeline and positioned at the natural gas turbine.
Further, the torque-transmitting mechanisms are gearbox.
Further, the natural gas pressure regulating heating means further include following steps:It obtains natural after decompression heating
The temperature of gas;When the temperature of natural gas after sensing decompression heating is less than first preset value, increases thermal medium and enter
To the flow in second medium pipeline;When the temperature of natural gas after sensing decompression heating is more than first preset value,
Reduce thermal medium and enters the flow in second medium pipeline.
Description of the drawings
Fig. 1 is the structural schematic diagram of the natural gas pressure regulating heating system described in one embodiment of the invention;
Fig. 2 is the structural schematic diagram of the natural gas pressure regulating heating system described in another embodiment of the present invention;
Fig. 3 is the structural schematic diagram of the natural gas pressure regulating heating system described in further embodiment of this invention;
Fig. 4 is the structural schematic diagram of the natural gas pressure regulating heating system described in yet another embodiment of the invention.
Reference numeral:
10, natural gas turbine, 20, gas heater, 21, first medium pipeline, 22, second medium pipeline, 30, heat is situated between
Matter delivery pipe, 40, thermal medium delivery pump, 50, torque-transmitting mechanisms, 60, natural gas transmission pipeline, the 70, first temperature inductor,
80, flow control valve, 90, voltage-stablizer.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention
Specific implementation mode be described in detail.Many details are elaborated in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case of violating intension of the present invention, therefore the present invention is not limited by following public specific embodiment.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indicating or implies relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise specifically defined.
It in the description of the present invention, it is to be understood that, can be with when an element is considered as " connection " another element
It is directly to another element or may be simultaneously present intermediary element.On the contrary, when element be referred to as " direct " with it is another
When element connects, intermediary element is not present.
In one embodiment, it please refers to Fig.1 or Fig. 3, a kind of natural gas pressure regulating heating system, including natural gas turbine
10, gas heater 20, thermal medium delivery pipe 30, thermal medium delivery pump 40 and torque-transmitting mechanisms 50.The natural gas is saturating
Flat 10 are arranged on natural gas transmission pipeline 60.The gas heater 20 is equipped with first medium pipeline 21 and with described first
The second medium pipeline 22 of the heat exchange cooperation of medium pipeline 21.The first medium pipeline 21 is used for and the natural gas transmission pipeline
60 connections, the second medium pipeline 22 are connected to the thermal medium delivery pipe 30.The thermal medium delivery pipe 30 is used for and heat
Medium source is connected to.The thermal medium delivery pump 40 is arranged in the thermal medium delivery pipe 30, and the natural gas turbine 10 turns
Square output end is connected by the torque-transmitting mechanisms 50 with the torque input terminal of the thermal medium delivery pump 40.
Above-mentioned natural gas pressure regulating heating system, the high-pressure natural gas on natural gas transmission pipeline 60 pass through natural gas turbine
When 10, natural gas turbine 10 so that the pressure reduction of high-pressure natural gas to required preset pressure, while natural gas turbine 10
The pressure potential of natural gas can be converted into torque output, by torque-transmitting mechanisms 50 pass to thermal medium delivery pump 40 come
Thermal medium delivery pump 40 is driven to work.Thermal medium is driven to be constantly delivered to heated by natural gas in a steady stream when thermal medium delivery pump 40 works
In the second medium pipeline 22 of device 20, the thermal medium in second medium pipeline 22 carries out the natural gas in first medium pipeline 21
Heat treatment can ensure natural so as to overcome high-pressure natural gas due to pressure reduction and defect that temperature is greatly reduced
Atmospheric pressure disclosure satisfy that user demand with temperature, be made full use of to high-pressure natural gas pressure potential, and energy consumption reduces.This
Outside, the pressure potential of high-pressure natural gas and pressure difference positive correlation before and after gas discharge size, high-low pressure natural gas, gas discharge
Bigger, pressure difference is higher, and pressure potential is bigger, and torque-transmitting mechanisms 50 drive thermal medium 40 rotating speeds of delivery pump bigger, more heat
The natural gas that medium is input in second medium pipeline 22 with larger flow exchanges heat.In this way, the pressure potential for passing through natural gas
Can come drive thermal medium delivery pump 40 convey thermal medium, the two inherent attribute realize automatic coupling, can be not necessarily to configure speed regulation device
Thermal medium flow velocity is adjusted, improves the economy of system.
It is understood that natural gas turbine 10 can be located at the upstream of gas heater 20, day can also be located at
The downstream of right hot-air heater 20.Referring to Fig. 1, when natural gas turbine 10 is located at the upstream of gas heater 20, natural gas
High-pressure natural gas is first carried out decompression processing by turbine 10, and then the natural gas by gas heater 20 to decompression carries out heating
Reason, ensures that natural gas temperature meets the requirements;Referring to Fig. 3, when natural gas turbine 10 is located at the downstream of gas heater 20,
First heated to high-pressure natural gas by gas heater 20, so that natural gas temperature is increased, then by natural gas turbine 10
Decompression processing is carried out to high temperature and pressure natural gas, the temperature of the natural gas after decompression also complies with requirement.
In addition, in one embodiment, referring to Fig. 2, the natural gas pressure regulating heating system further includes the first temperature
Inductor 70 and flow control valve 80.First temperature inductor 70 is arranged on the natural gas transmission pipeline 60, described
First temperature inductor 70 is located at the downstream of the gas heater 20.The natural gas turbine 10 is located at the natural gas and adds
The upstream of hot device 20.First temperature inductor 70 is used to obtain the temperature of the natural gas after decompression heating, first temperature
Inductor 70 is spent to be electrically connected with the flow control valve 80.The flow control valve 80 in the natural gas temperature for being less than
Increase aperture when the first preset value, and for reducing aperture when the natural gas temperature is more than the first preset value.In this way, when the
When one temperature inductor 70 senses that the temperature of the natural gas after decompression heating is smaller, the aperture of flow control valve 80 increases, more
The thermal medium of big flow, which enters in second medium pipeline 22, carrys out heated natural gas so that natural gas temperature raising, which meets user, to be needed
It asks;Conversely, when the temperature of the natural gas after the first temperature inductor 70 senses decompression heating is larger, flow control valve 80
Aperture reduces, and reduces thermal medium and enters in second medium pipeline 22 so that natural gas temperature meets user demand.
In another embodiment, referring to Fig. 4, the natural gas pressure regulating heating system further includes the first temperature sense
Answer device 70 and flow control valve 80.First temperature inductor 70 is arranged on the natural gas transmission pipeline 60, and described the
One temperature inductor 70 is located at the downstream of the natural gas turbine 10, and the natural gas turbine 10 is located at the gas heater
20 downstream.First temperature inductor 70 is used to obtain the temperature of the natural gas after decompression, first temperature inductor
70 are electrically connected with the flow control valve 80.The flow control valve 80 is used to be less than first in the natural gas temperature default
Increase aperture when value, and for reducing aperture when the natural gas temperature is more than the first preset value.In this way, when the first temperature sense
When device 70 being answered to sense that the temperature of the natural gas after decompression is smaller, the aperture of flow control valve 80 increases, and the heat of greater flow is situated between
Matter, which enters in second medium pipeline 22, carrys out heated natural gas so that natural gas temperature raising meets user demand;Conversely, when the
When one temperature inductor 70 senses that the temperature of the natural gas after decompression is larger, the aperture of flow control valve 80 reduces, and reduces heat
Medium enters in second medium pipeline 22 so that natural gas temperature meets user demand.
Specifically, the natural gas pressure regulating heating system further includes controller.The controller is respectively with described first
Temperature inductor 70, the flow control valve 80 are electrically connected, and the controller is used to be less than first in the natural gas temperature
Increase the aperture of the flow control valve 80 when preset value, and for subtracting when the natural gas temperature is more than the first preset value
The aperture of the small flow control valve 80.
Further, the natural gas pressure regulating heating system further includes second temperature inductor.The second temperature sense
Device is answered to be arranged in the thermal medium delivery pipe 30 and positioned at the upstream of the gas heater 20, the second temperature induction
Device is electrically connected with the controller, and the second temperature inductor is for obtaining the heat for inputing to the gas heater 20
Medium temperature.The controller is used to determine the heat medium temperature for inputing to the gas heater 20 in advance less than second
If controlling the thermal medium source when value improves heat medium temperature, and for inputing to the gas heater 20 determining
Heat medium temperature control the thermal medium source when being more than the second preset value and reduce heat medium temperature.In this way, passing through second temperature
Inductor monitors the temperature of thermal medium in thermal medium delivery pipe 30 in real time, avoids heat medium temperature in thermal medium delivery pipe 30 too low
And influence the heating effect that can guarantee gas heater 20 to the heating effect of natural gas to natural gas.
Further, the natural gas pressure regulating heating system further includes alarm.The alarm and the controller
It is electrically connected, the alarm is used to carry out actuation of an alarm when the natural gas temperature is less than third preset value.In this way, when drop
The temperature of natural gas after pressure heating cannot be satisfied when user demand, and actuation of an alarm is carried out by alarm, can be rapidly
Staff is reminded to carry out respective handling.
Referring again to any one width of Fig. 1 to Fig. 4, further, the natural gas pressure regulating heating system further includes voltage-stablizer
90.The voltage-stablizer 90 is used to be arranged on the natural gas transmission pipeline 60 and positioned at the downstream of the natural gas turbine 10.
In this way, high-pressure natural gas on natural gas transmission pipeline 60 is after the decompression of natural gas turbine 10, carried out pair using voltage-stablizer 90
Natural gas after decompression carries out steady pressure treatment, and gas downstream natural pressure fluctuation can be prevented excessive, realize natural gas
Lowering and stabilizing blood pressure effect.
Specifically, the torque-transmitting mechanisms 50 are change gear box.
Refering to fig. 1 to any one width of Fig. 4, in one embodiment, a kind of natural gas pressure regulating heating means use described
Natural gas pressure regulating heating system, include the following steps:Described in high-pressure natural gas on the natural gas transmission pipeline 60 passes through
When natural gas turbine 10, the natural gas turbine 10 is while described natural by the pressure reduction of high-pressure natural gas to preset pressure
Gas turbine 10 transmits torque to the thermal medium delivery pump 40 to drive the thermal medium by the torque-transmitting mechanisms 50
Delivery pump 40 works.
Above-mentioned natural gas pressure regulating heating means, as a result of the natural gas pressure regulating heating system, technology effect
Fruit is identical as the natural gas pressure regulating heating system, without repeating.
Further, refering to Fig. 2 or Fig. 4, the natural gas pressure regulating heating means further include following steps:Obtain decompression
The temperature of natural gas after heating;When the temperature of natural gas after sensing decompression heating is less than first preset value, increase
Big thermal medium enters the flow in second medium pipeline 22;The temperature of natural gas after sensing decompression heating is more than described
When the first preset value, reduces thermal medium and enter the flow in second medium pipeline 22.In this way, can guarantee the day after cooling heating
Right temperature degree meets user demand.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of natural gas pressure regulating heating system, which is characterized in that including:
Natural gas turbine, the natural gas turbine are arranged on natural gas transmission pipeline;
Gas heater and thermal medium delivery pipe, the gas heater are equipped with first medium pipeline and are situated between with described first
The second medium pipeline of matter pipeline heat exchange cooperation, the first medium pipeline with the natural gas transmission pipeline for being connected to, institute
It states second medium pipeline to be connected to the thermal medium delivery pipe, the thermal medium delivery pipe with thermal medium source for being connected to;
Thermal medium delivery pump and torque-transmitting mechanisms, the thermal medium delivery pump is arranged in the thermal medium delivery pipe, described
The torque output end of natural gas turbine is connected by the torque-transmitting mechanisms with the torque input terminal of the thermal medium delivery pump.
2. natural gas pressure regulating heating system according to claim 1, which is characterized in that further include the first temperature inductor with
Flow control valve, first temperature inductor are arranged on the natural gas transmission pipeline, first temperature inductor position
In the downstream of the gas heater, the natural gas turbine is located at the upstream of the gas heater, first temperature
Degree inductor is used to obtain the temperature of the natural gas after decompression heating, first temperature inductor and flow control valve electricity
Property connection, the flow control valve is used to increase aperture when the natural gas temperature is less than the first preset value, and in institute
Reduce aperture when stating natural gas temperature more than the first preset value.
3. natural gas pressure regulating heating system according to claim 1, which is characterized in that further include the first temperature inductor with
Flow control valve, first temperature inductor are arranged on the natural gas transmission pipeline, first temperature inductor position
In the downstream of the natural gas turbine, the natural gas turbine is located at the downstream of the gas heater, first temperature
Inductor is used to obtain the temperature of the natural gas after decompression, and first temperature inductor electrically connects with the flow control valve
It connects, the flow control valve is used to increase when the natural gas temperature is less than the first preset value aperture, and in the day
Right temperature degree reduces aperture when being more than the first preset value.
4. natural gas pressure regulating heating system according to claim 2 or 3, which is characterized in that further include controller, the control
Device processed is electrically connected with first temperature inductor, the flow control valve respectively, and the controller is used for described natural
Temperature degree increases the aperture of the flow control valve when being less than the first preset value, and for being more than the in the natural gas temperature
Reduce the aperture of the flow control valve when one preset value.
5. natural gas pressure regulating heating system according to claim 4, which is characterized in that further include second temperature inductor,
The second temperature inductor is arranged in the thermal medium delivery pipe and positioned at the upstream of the gas heater, and described the
Two temperature inductors are electrically connected with the controller, and the second temperature inductor inputs to the natural gas for acquisition and adds
The heat medium temperature of hot device, the controller are used to be less than determining the heat medium temperature for inputing to the gas heater
The thermal medium source is controlled when the second preset value and improves heat medium temperature, and for inputing to the natural gas and adding determining
The heat medium temperature of hot device controls the thermal medium source when being more than the second preset value reduce heat medium temperature.
6. natural gas pressure regulating heating system according to claim 4, which is characterized in that further include alarm, the alarm
Device is electrically connected with the controller, and the alarm is used to alarm when the natural gas temperature is less than third preset value
Action.
7. natural gas pressure regulating heating system according to claim 1, which is characterized in that further include voltage-stablizer, the voltage stabilizing
Device is used to be arranged on the natural gas transmission pipeline and positioned at the downstream of the natural gas turbine.
8. the natural gas pressure regulating heating system according to claim 1 to 7 any one, which is characterized in that the torque passes
It is gearbox to pass mechanism.
9. a kind of natural gas pressure regulating heating means, which is characterized in that use the day as described in claim 1 to 8 any one
Right controlled atmosphere presses heating system, includes the following steps:High-pressure natural gas on the natural gas transmission pipeline passes through the natural gas
When turbine, the natural gas turbine is by the pressure reduction of high-pressure natural gas to preset pressure, while the natural gas turbine passes through
The torque-transmitting mechanisms transmit torque to the thermal medium delivery pump to drive the thermal medium to convey pump work.
10. natural gas pressure regulating heating means according to claim 9, which is characterized in that further include following steps:
Obtain the temperature of the natural gas after decompression heating;
When the temperature of natural gas after sensing decompression heating is less than first preset value, increases thermal medium and enter second
Flow in medium pipeline;
When the temperature of natural gas after sensing decompression heating is more than first preset value, reduces thermal medium and enter second
Flow in medium pipeline.
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CN201810254557.6A CN108443710B (en) | 2018-03-26 | 2018-03-26 | Natural gas pressure-regulating heating system and pressure-regulating heating method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112146271A (en) * | 2020-09-24 | 2020-12-29 | 中海石油(中国)有限公司 | Ultrahigh pressure heat exchange system |
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CN104931248A (en) * | 2015-06-23 | 2015-09-23 | 江苏大学 | High-pressure waste energy recovery hydraulic turbine test stand and control method thereof |
CN106225281A (en) * | 2015-12-30 | 2016-12-14 | 李华玉 | First kind thermal drivers compression heat pump |
CN206655790U (en) * | 2017-02-09 | 2017-11-21 | 天壕环境股份有限公司 | A kind of natural gas transport system |
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