CN105716325A - Natural gas compressor conveying and refrigerating system - Google Patents
Natural gas compressor conveying and refrigerating system Download PDFInfo
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- CN105716325A CN105716325A CN201610151192.5A CN201610151192A CN105716325A CN 105716325 A CN105716325 A CN 105716325A CN 201610151192 A CN201610151192 A CN 201610151192A CN 105716325 A CN105716325 A CN 105716325A
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- heat
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- refrigeration system
- flue gas
- natural gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a natural gas compressor conveying and refrigerating system. The refrigerating system is composed of a combustion drive type compressor unit system, a smoke recycling system, a refrigerating unit, a natural gas cooling system and the like. A large amount of high-temperature smoke exists in tail gas generated after combustion of a combustion drive type compressor in a natural gas station, the smoke is directly exhausted, on one hand, a large amount of heat energy is wasted, and on the other hand, thermal pollution is caused to the environment. If the proper technology is adopted, waste heat of the high-temperature smoke is fully recycled for heat exchange refrigeration, and a large amount of energy consumption can be reduced. The absorption refrigerating technology is adopted, high-temperature waste heat can be used as a drive force source, low-temperature cold water at the temperature from 7 DEG C to 12 DEG C is produced to be supplied to a cooling circulating system of a combustion drive type compressor unit for use, and the temperature increase phenomenon of all levels of compressed natural gas is improved. The target that the high-temperature smoke is reasonably used in an energy-saving and environment-friendly manner is achieved.
Description
Technical field
The present invention relates to flue gas refrigeration technology field, in particular to long-distance transport pipes divide defeated station, station for enhancing gas pressure,
A kind of natural gas compressor transport refrigeration system of off-gas recovery refrigeration occasion is utilized in the yard such as urban gate station, gas storage.
Background technology
Currently, it is low that China's utilization of energy remains utilization ratio, deficiency in economic performance, and eco-environmental pressure is big waits master
Want problem, energy-saving and emission-reduction, reduce energy consumption, improve comprehensive utilization of energy rate as energy development strategical planning important in
Hold, be the fundamental way solving energy problem of China, be in the status first developed.
Realize energy-saving and emission-reduction, the target of raising energy utilization rate relies primarily on industrial circle.It is in industrialization middle and late stage rank
The China of section, industry is main power consumption field, is also the primary discharge source polluted.China's industrial circle energy resource consumption
Amount accounts for the 70% of whole nation energy resource consumption total amount, and major industrial product specific energy consumption average specific international most advanced level exceeds 30%
Left and right.In addition to production technology relatively backwardness, the irrational factor of the industrial structure, industrial exhaust heat utilization rate is low, the energy
The most fully being comprehensively utilized the major reason being to cause energy consumption high, China's energy utilization rate is only about 33%, than
Developed country is low by about 10%, and the industrial consumption energy of at least 50% waste heat in a variety of manners is directly discarded, therefore from another
Angle is seen, China's industrial waste heat resource enriches, and is widely present in industry every profession and trade production process, and residual heat resources account for
The 17%-67% of its fuel consumption total amount, wherein can reach 60% with the response rate, and utilization rate of waste heat room for promotion is big, energy-conservation
Having a high potential, it is considered as again a kind of new forms of energy that industrial afterheat recovery utilizes.
Along with natural gas is gone to the capital, transferred natural gas from the west to the east, natural gas has shown that the effect become more and more important in urban energy system.
Urban Reasonable utilize an important use of natural gas be development cooling heating and power generation system, it by gas utilization, generating,
Refrigeration and heating technology combine, have that efficiency of energy utilization is high, realize energy resource consumption seasonal balancing, environmental protection with
And ensure the urban energy advantage such as safely.
Flue gas refrigeration machine is with heat energy as power, and power consumption is less, and less demanding to thermal source.Various low gesture can be utilized
Heat energy and the comprehensive utilization of flue gas, waste vapour, used heat, beneficially thermal source.There is well economize on electricity, energy-saving effect, warp
Ji property is good.
Absorption refrigeration is a kind of Refrigeration Technique utilizing heat-driven, by the strong suction to water of the working medium under low pressure
Adduction, makes water produce evaporation endothermic refrigeration in systems, and the working medium solution after absorption makes aqueous vapor by high temperature heat
Change and separate from solution, then realized the circulation of water by condensation, be finally reached refrigeration target.
For in correlation technique combustion drive formula gas compressor set run in high temperature environments time, due to compressor air-discharging temperature
Degree and air cooler chilling temperature raise the problem causing frequent shutdown, the most not yet propose effective solution.
Summary of the invention
Embodiments provide a kind of natural gas compressor transport refrigeration system, at least to solve correlation technique is fired
When the formula gas compressor set of driving runs in high temperature environments, due to compressor exhaust temperature and air cooler chilling temperature liter
Height causes the technical problem of frequent shutdown.
An aspect according to embodiments of the present invention, it is provided that a kind of natural gas compressor transport refrigeration system, is driven by combustion
Formula compressor unit system, flue gas waste heat recovery system, cold and heat combined supply unit, natural gas cooling system form.
Further, arranging flue gas recovery device between gas turbine exhaust gas discharge tube and chimney, wherein, combustion gas is taken turns
Tail gas pipeline is connected with flue gas three-way valve, and flue gas three-way valve is connected with chimney, flue gas recovery device pipeline, and flue gas returns
Receiving apparatus is connected with chimney, collectively constitutes high-temperature flue gas residual neat recovering system.
Further, between flue gas recovery device and cold and heat combined supply unit, Heat-transfer Oil Pump, conduction oil expansion tank, pipeline connects
Connect, form Heat-conduction oil circulation system.
Further, cold and heat combined supply unit is connected with heat exchanger, circulating pump pipeline, heat exchanger and air cooler pipeline
Parallel connection, forms natural gas cooling system.
Further, cooling water circulating pump and cooling tower belong to the auxiliary equipment of cold and heat combined supply unit.
Another aspect according to embodiments of the present invention, it is provided that a kind of natural gas compressor transport refrigeration system, including:
Flue gas recovery device, is serially connected between gas turbine and chimney, for reclaiming the high-temperature flue gas of discharge of gas turbine, its
In, gas turbine is used for driving natural gas compressor to be compressed natural gas；Refrigeration system, with flue gas recovery device
Being connected, freeze for absorbing the heat of high-temperature flue gas in flue gas recovery device, wherein, high-temperature flue gas is freezed
Low-temperature flue gas it is changed into via smoke stack emission after Systemic absorption heat；And heat exchanger, it is connected with refrigeration system, and
Being connected in parallel on the two ends of air cooler, the cold for utilizing refrigeration system to export replaces air cooler to via natural gas compressor
High-temperature natural gas after compression cools down, and wherein, air cooler is connected with natural gas compressor, for via sky
So the high-temperature natural gas after air compressor compression cools down.
Further, this refrigeration system also includes: Heat-conduction oil circulation system, respectively with flue gas recovery device and refrigeration system
System is connected, for utilizing conduction oil to absorb the heat of high-temperature flue gas in flue gas recovery device, and the heat that will absorb
It is delivered to refrigeration system.
Further, Heat-conduction oil circulation system includes: heat conduction oil circulating pump, is connected with flue gas recovery device, is used for
Low temperature conduction oil is delivered to flue gas recovery device, and wherein, low temperature conduction oil absorbs high temperature cigarette via flue gas recovery device
The heat of gas becomes high temperature heat conductive oil to be transmitted to refrigeration system；Conduction oil expansion tank, respectively with heat conduction oil circulating pump and system
Cooling system is connected, for housing or compensate the breathing amount of conduction oil in Heat-conduction oil circulation system, wherein, refrigeration system
For utilizing the heat of high temperature heat conductive oil to freeze, high temperature heat conductive oil is via becoming low temperature conduction oil stream after refrigeration system
Enter heat conduction oil circulating pump.
Further, refrigeration system include being sequentially connected connect circulating pump, solution heat exchanger, generator, condenser,
Expansion valve, vaporizer and absorber, wherein, cold-producing medium is entered solution heat exchanger by circulating pump and carries out heat exchange, changes
Refrigerator after heat enters the heat of generator absorption high temperature heat conductive oil and becomes high temperature and high pressure steam, high temperature and high pressure steam warp
Being become low temperature and low pressure steam inflow absorber from condenser, expansion valve and vaporizer, wherein, low temperature and low pressure steam is being inhaled
Receipts device is changed into liquid and again flows into solution heat exchanger via circulating pump.
Further, heat exchanger is connected with absorber and condenser respectively, and wherein, the cold water of condenser output passes through
Cold water circulation pump inflow heat exchanger, heat exchanger is for utilizing the cold water of inflow to the height after compressing via natural gas compressor
Temperature natural gas cools down, and wherein, cold water is via becoming hot water inflow absorber after heat exchanger.
Further, this refrigeration system also includes: auxiliary cooling device, is connected with refrigeration system, for refrigeration
Cold-producing medium in system cools down.
Further, auxiliary cooling device includes: cooling tower, is connected with vaporizer, in refrigeration system
Cold-producing medium cool down；Refrigerant cycle pump, is connected with cooling tower and vaporizer respectively, and being used for will be through supercooling
Cold-producing medium after tower cooler is delivered to vaporizer.
Further, this refrigeration system also includes: reuse means, is connected with the condenser in refrigeration system, uses
The high-temperature medium become after the heat absorption of cooling medium in the condenser of discharge in refrigeration system process of refrigerastion carries out profit again
With.
Further, this refrigeration system also includes: three-way valve, respectively with gas turbine, chimney, flue gas recovery device
It is connected, for the fume emission path being made up of gas turbine and chimney and by gas turbine, flue gas recovery device
And the fume emission path of chimney composition carries out parallel connection.
Further, heat exchanger two ends are respectively arranged with valve.
It is an object of the invention to provide a kind of natural gas compressor and carry energy-conservation Technology, combustion is driven formula compressor bank
Combine with flue gas waste heat recovery refrigeration system, reduce high-temperature flue gas discharge, solve again compression simultaneously
After natural gas temperature raise problem, effectively reduce operation cost.The technical problem to be solved is: the summer
Season, ambient temperature was higher, and combustion is driven formula compressor bank and run the most in high temperature environments, compressor exhaust temperature and sky occurs
Cooler chilling temperature raises, and causes high frequent to shut down, and causes the equipment cannot the technical problem of smooth long term running.
In embodiments of the present invention, natural gas compressor transport refrigeration system includes: flue gas recovery device, is serially connected in combustion
Between gas-turbine and chimney, for reclaiming the high-temperature flue gas of discharge of gas turbine, wherein, gas turbine is used for driving sky
So natural gas is compressed by air compressor；Refrigeration system, is connected with flue gas recovery device, is used for absorbing flue gas and returns
In receiving apparatus, the heat of high-temperature flue gas freezes, and wherein, high-temperature flue gas is changed into low after being absorbed heat by refrigeration system
Temperature flue gas is via smoke stack emission；And heat exchanger, it is connected with refrigeration system, and is connected in parallel on the two ends of air cooler, use
Replace air cooler that the high-temperature natural gas after compressing via natural gas compressor is carried out in the cold utilizing refrigeration system to export
Cooling, wherein, air cooler is connected with natural gas compressor, for the high temperature after compressing via natural gas compressor
Natural gas cools down, and drives the heat of the high-temperature flue gas that formula gas compressor set produces by reclaiming combustion, utilizes this heat
Amount carries out refrigeration and replaces air cooler to cool down the high-temperature natural gas after compressing via gas compressor set, reaches
During natural gas transmission, combustion is driven and formula gas compressor set reduces natural gas compressor and the mesh of air cooler temperature
, and then reached to improve combustion and drive the technique effect of formula gas compressor set stability, and then solve correlation technique
Middle combustion drives formula gas compressor set when running in high temperature environments, owing to compressor exhaust temperature and air cooler cool down temperature
Degree raises the technical problem causing frequent shutdown.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.At accompanying drawing
In:
Fig. 1 is the schematic diagram that formula gas compressor set structure is driven in a kind of combustion according to prior art；
Fig. 2 is the schematic diagram of natural gas compressor transport refrigeration system according to embodiments of the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment
It is only the embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that territory those of ordinary skill is obtained under not making creative work premise, all should belong to
The scope of protection of the invention.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " it is etc. for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that this
Sample use data can exchange in the appropriate case, in order to embodiments of the invention described herein can with except
Here the order beyond those illustrating or describing is implemented.Additionally, term " includes " and " having " and they
Any deformation, it is intended that cover non-exclusive comprising, such as, contain the process of a series of unit, system, product
Product or equipment are not necessarily limited to those unit clearly listed, but can include the most clearly listing or for these
Other unit that process, product or equipment are intrinsic.
Embodiment 1
It is an object of the invention to provide a kind of natural gas compressor and carry energy-conservation Technology, combustion is driven formula compressor bank
Combine with flue gas waste heat recovery refrigeration system, reduce high-temperature flue gas discharge, solve again compression simultaneously
After natural gas temperature raise problem, effectively reduce operation cost.The technical problem to be solved is: the summer
Season, ambient temperature was higher, and combustion is driven formula compressor bank and run the most in high temperature environments, compressor exhaust temperature and sky occurs
Cooler chilling temperature raises, and causes high frequent to shut down, and causes the equipment cannot the technical problem of smooth long term running.
1. raw natural gas station internal combustion drives formula compressor operation
Former combustion is driven formula compressor and is mainly made up of gas turbine, compressor, air cooler, fume emission etc..Its technique mistake
Journey combines Fig. 1 and is described as follows:
Carry out the natural gas to the pipe network of natural gas upstream door station, initially enter natural gas compressor 3, in one-level cylinder
Being compressed, the natural gas after compression enters one-level air cooler 4, separator carries out refrigerated separation；Sky after separation
So gas is compressed in secondary cylinder again, and the natural gas after compression enters two grades of air coolers 4, separators and cools down
Separate；Natural gas after separation is compressed in three-stage cylinder again, and (pressure enters three grades of skies to the natural gas after compression
Cooler 4, separator carry out refrigerated separation；Downstream pipe network or natural gas gas storage it is passed to outside natural gas after separation.
2. the harm of compressor bank excessive discharge temperature
Natural gas compressor runs for a long time under high exhaust temperature serious harm to unit: first, glossy for having
Sliding compressor bank, excessive discharge temperature, lubricating oil viscosity can be made to reduce, penalty, accelerates the decomposition of lubricating oil
Or rotten, at cylinder wall, air valve and cylinder channel inwall carbon deposit, cause air valve to be not closed completely and make compressor efficiency reduce.
Second, the easy aged deterioration of metal material element and the deformation such as the piston ring of compressor, support ring and airtight and watertight padding, fall
Its service life low.Then maintenance workload and maintenance cost are added.3rd, the potted component such as piston ring and filler
Being susceptible to damage and leakage, cause capacity to decline, if conveying is explosion hazard gases, the gas leaked out is with empty
Gas mixes, and the concentration that reaches capacity will cause exploding and firing accident, brings tremendous economic to lose to enterprise.
3. the reason that compressor air-discharging is too high
1) the actual compression process of reciprocating compressor can be approximately considered is adiabatic compression, and delivery temperature is based on formula below
Calculate:
In formula: Td: the delivery temperature of level, K；
The suction temperature of Ts: level, K；
εt: compression ratio
Pd pressure at expulsion, Ps pressure of inspiration(Pi)
N: compression process gas adiabatic exponent.
Td in formula (1) is adiabatic delivery temperature, and the expection of compressor/actual exhaust air temperature is different from the exhausted of calculating
Heat exhausting temperature.It designs with cylinder dimensions and material, cooling jacket, the cooling factor such as water flow velocity and temperature is relevant.
2) reason of big compression ratio
By formula (1) it can be seen that when inlet temperature is identical with adiabatic exponent, compression ratio is the biggest, delivery temperature is just
The highest.Entrance at reciprocating compressor would generally be provided with filter, in order to filter out the dust impurities carried secretly in technique.
When inlet filter blocks, the inlet pressure of level can be caused to reduce, such compression ratio will increase, delivery temperature liter
High.
3) reason that cooling is not enough
Intake air temperature is high or front end Cooler Fault or cooling effect bad, if compression and intake air temperature are high, then gas
After body is compressed to, the heat of output is certain, and for same compressor, the delivery temperature of outlet is the highest,
Above cooling failure or cooling effect are bad, directly results in inlet temperature and raise.
Compressor casing cooling water interrupts, and cylinder body cooling jacket fouling or cooling effect are bad.Many compressor casings
Owing to the cooling water of life-time service is less clean, and it is more to cool down the float carried in water, is deposited in cooling cylinder body
Surface, reduces heat-transfer effect, thus the heat causing recirculated water to take away reduces accordingly, cause delivery temperature to raise.
Circulating water temperature is higher or circulating water pressure is low, recirculated water all can be caused to take away heat and reduce, particularly summer
The temperature rises, and recirculated water anxiety has this phenomenon to occur often, and delivery temperature also can be made to increase.
4) reason of air valve
Air valve is to control gas to enter the parts of cylinder, and the air valve internal hemorrhage due to trauma caused that is not closed completely is to cause excessive discharge temperature
Another main cause, if certain grade of cylinder exhaust valve is not closed completely, then when stopping in cylinder starting air-breathing after aerofluxus,
High pressure gas cognition in discharge duct is poured in down a chimney in cylinder.Pour in down a chimney to gas end through supercooling, temperature is the highest, thus
This grade of delivery temperature is made drastically to raise.
5) reason of piston ring
Piston ring is the sealing for piston Yu cylinder, and the opened gap of piston ring, back clearance, sideshake are the least, can make to live
After plug ring expanded by heating stuck in cylinder, cause cylinder body and piston-ring friction power to increase, produce more frictional heat,
Cause excessive discharge temperature.
6) variable parameter operation impact on delivery temperature
In practical operation, it is frequently encountered by operation operating mode inconsistent with the design conditions of compressor, such as inlet and outlet pressure, enters
Mouth temperature, the change of compressed media.Same when plant modification, especially through being commonly encountered new operating mode with original design operating mode not
Consistent situation.Thus the impact of delivery temperature is just seemed necessary property by research compressor variable parameter operation.
4. the technical problem to be solved can be achieved through the following technical solutions:
There are a large amount of 300～450 DEG C of high-temperature flue gas in the tail gas after the burning of formula compressor bank is driven in combustion, flue gas directly discharges, and one
Aspect wastes substantial amounts of heat energy, on the other hand again environment is caused thermal pollution.If using suitable technology, fill
Divide and recycle high-temperature flue gas waste heat, carry out heat exchange refrigeration, substantial amounts of energy consumption can be saved.Use absorption refrigeration skill
Art, can do drive force source with high temperature waste hot, produces the low-temperature cold water of 7～12 DEG C, and formula compressor bank is driven in supply combustion
Cooling recirculation system uses, and after improving compression, natural gas interstage temperature raises phenomenon.Achieve energy-conserving and environment-protective Appropriate application
The target of high-temperature flue gas.
1) a kind of natural gas compressor conveying refrigerated energy-saving Technology, mainly by fume recovery system, conduction oil circulation
System, refrigeration system, natural gas cooling system etc. form.Its technical process combines Fig. 2 and is described as follows:
2) a kind of natural gas compressor of the present invention carries energy-conservation Technology and original gas driven formula Compressor Pipes system
System parallel connection, the most a certain process unit situation such as go wrong occurs, and medium can be switched to original by robot control system(RCS) automatically
Technique official road on, it is ensured that the safety of system.
3) flue gas recovery device system work process: carry out the high-temperature flue gas to gas turbine 2 discharge, regulated by flue gas
Valve 5 initially enters flue gas recovery device 6, and the low-temperature flue gas after being exchanged by High Efficiency Thermal is sent into chimney and directly discharged.
4) conduction oil follows system ring work process: low temperature conduction oil is transported to flue gas recovery device by heat conduction oil circulating pump 7
6, the high temperature heat conductive oil after high efficient heat exchanging enters cold and heat combined supply unit 11.Low temperature conduction oil after heat exchange is back to heat conduction
Oil circulating pump 7.Conduction oil expansion tank 8 is arranged on heat conducting oil pipe.Circulating-heating, uninterruptedly will lead the most continuously
Deep fat passes to cold and heat combined supply unit 11, makes this system maintain normal work.
5) cold and heat combined supply unit 11 work process: main by compressor, condenser, expansion valve, vaporizer four part
Composition.Its operation principle is that cold-producing medium carries out states of matter (gaseous state, liquid) change in closed system, reach continuously,
A set of refrigerating plant of cold is stably provided.Cold and heat combined supply unit 11 is outside arranges cooling recirculation system, circulating pump 12
It is the auxiliary equipment of cold and heat combined supply unit 11 with cooling tower 13.
6) natural gas cooling system work process:
Being first shut off air cooler 4 rear and front end valve, the high-temperature natural gas after compression enters heat exchanger 9 and carries out heat exchange,
Gas storage or downstream pipe network it is passed to outside natural gas after cooling.Meanwhile, cold and heat combined supply unit 11 provide 7 DEG C～12 DEG C cold
Water, enters heat exchanger 9 by cold water circulation pump 10, carries out cold and hot exchange, and the hot water after heat exchange returns to cold and heat combined supply list
Unit 11 continues refrigeration.
7) 75 DEG C of hot water of cold and heat combined supply unit 11 output, supply city or factory use.
5. engineering project case
Such as: huge port is opened greatly and sticked together that to drive formula compressor scene operating condition as follows for the combustion of natural gas gas storage:
Natural gas (pressure 2.2PMa, temperature 20 DEG C) in the pipe network of natural gas upstream door station, initially enters natural pressure
Contracting machine 3, is compressed in one-level cylinder, the natural gas (pressure 5PMa, temperature 88 DEG C) after compression, enters
One-level air cooler 4, separator carry out refrigerated separation；Natural gas (pressure 5PMa, temperature 49 DEG C) warp after separation
Secondary cylinder is compressed, the natural gas (pressure 12PMa temperature 123 DEG C) after compression, enter two grades of air coolers 4,
Separator carries out refrigerated separation；Natural gas (pressure 12PMa, temperature 49 DEG C) after separation is entering in three-stage cylinder
Row compression, the natural gas (pressure 27PMa, temperature 114 DEG C) after compression, enter three grades of air coolers 4, separators and enter
Row refrigerated separation；It is passed to downstream pipe network or natural gas outside natural gas (pressure 27PMa, temperature 70 C) after separation
Gas storage.
1) under Normal Environmental Temperature (-2.7 DEG C～26 DEG C), the delivery temperature Theoretical Calculation of each inter-stage of compressor is as follows:
Solve: temperature after one stage of compression:
Compression process gas adiabatic exponent searches " conventional gas adiabatic exponent table " natural gas adiabatic exponent n=1.314.
One-level suction temperature Ts=200C+273=293 (K)
Compression ratio: εt=5/2.2=2.27
The delivery temperature substitution formula of one-level:
When learning pressure 5MPa after one stage of compression, temperature 80 DEG C after compression.
Solve: temperature after two-stage compression:
Compression process gas adiabatic exponent searches " conventional gas adiabatic exponent table " natural gas adiabatic exponent n=1.314.
Two grades of suction temperatures Ts=490C+273=322 (K)
Compression ratio: εt=12/5=2.4
The delivery temperature substitution formula of two grades:
When learning pressure 12MPa after two-stage compression, temperature 119 DEG C after compression.
Solve: temperature after three stage compression:
Compression process gas adiabatic exponent searches " conventional gas adiabatic exponent table " natural gas adiabatic exponent n=1.314.
Three grades of suction temperatures Ts=490C+273=322 (K)
Compression ratio: εt=27/12=2.25
The delivery temperature substitution formula of three grades:
When learning pressure 27MPa after three stage compression, temperature 113 DEG C after compression.
Conclusion: actual each inter-stage exhaust temperature inter-stage each with the Theoretical Calculation exhaust temperature of natural gas compressor is essentially identical,
In compressor normal exhaust temperature range.
2) compressor each inter-stage delivery temperature situation at summer environment temperature 38～46 DEG C.
If summer temp is higher, between compressor stage, air cooler cooling effect is poor, the refrigerated separation day after tomorrow after one stage of compression
So atmospheric pressure 5PMa temperature 60 C, enters back into split-compressor and is compressed, and the pressure 12PMa after compression asks two grades
Temperature after compression？
Solve: temperature after two-stage compression:
Compression process gas adiabatic exponent searches " conventional gas adiabatic exponent table " natural gas adiabatic exponent n=1.314.
Two grades of suction temperatures Ts=600C+273=333 (K)
Compression ratio: εt=12/5=2.4
The delivery temperature substitution formula of two grades:
When learning pressure 12MPa after two-stage compression, temperature 133 DEG C after compression.
Conclusion: in view of carbon deposit and the needs of safe operation, need to limit the delivery temperature of reciprocating compressor.
For the molecular weight medium less than or equal to 12, delivery temperature must not exceed 130 DEG C；To acetylene, oil gas, wet chlorine
Gas delivery temperature must not exceed 100 DEG C, and other gas is less than 150 DEG C.
By above-mentioned calculating, natural gas intake air temperature 60 DEG C, after two-stage compression during pressure 12MPa, temperature 133 DEG C after compression,
Prove that gas inlet temperature is high, will be higher by the outlet exhaust temperatures after compressing.
6. the waste energy
Natural gas compressor excessive discharge temperature, can cause compressor efficiency to reduce, particularly inter-stage air cooler cooling effect
The poorest, when rear stage can be caused to compress, temperature is higher, and efficiency is lower.The power so needing Movers to input also is got over
Greatly.Waste also just increases.
7. this technology features:
Natural gas compressor flue gas Refrigeration Technique, the heat in recyclable flue gas, prepare cold water, gained cold water is used for
Natural gas cooling technology transformation after the cooling circulation of compressor bank apparatus body and compression so that compressor bank can be in the summer
Normal under conditions of Ji Gaowen 38～46 DEG C run continuously.This technology is as making full use of resource, turning harm into good, administer
One vital measure of environment (reduce and pollute), has economy (benefit), environmental ecology (benefit) and society's (effect
Benefit) meaning of sustainable development, have exemplary and representative.
8. energy efficient
Invention replaces original air cooler technique, reclaimed the high-temperature residual heat flue gas wasted, produced cold water,
After solving compression, natural gas interstage temperature raises phenomenon, meets the demand of client, improves comprehensive utilization of energy rate.
9. cost of investment is low
Present device is common equipment, and quantity is few, builds and cost of investment.Can realize equipment miniaturization and
Sledge dressization, it is achieved a set of equipment uses in multiple places, it is achieved cost of investment reclaims faster.
Being described as follows for Fig. 1 and Fig. 2:
1--chimney, 2 gas turbines, 3 natural gas compressors, 4 air coolers, 5--flue gas three-way valve, 6 cigarettes
Gas recovering device, 7 Heat-transfer Oil Pump, 8 conduction oil expansion tanks, 9 heat exchangers, 10 cold water circulation pumps, 11
Cold and heat combined supply unit, 12 circulating pumps, 13--cooling tower.
Embodiment 2
According to embodiments of the present invention, it is provided that a kind of natural gas compressor transport refrigeration system.It should be noted that should
Refrigeration system can apply to that combustion is driven the natural gas compressor in formula gas compressor set and air cooler cools down,
To ensure that the even running of formula gas compressor set is driven in combustion.
Before describing the refrigeration system in the embodiment of the present invention in detail, the embodiment of the present invention combines combustion and drives formula sky
So the reason that in formula gas compressor set running, temperature raises is driven in the combustion of the structure labor of air compressor group.
Fig. 1 is the schematic diagram that formula gas compressor set structure is driven in a kind of combustion according to prior art, as it is shown in figure 1, combustion is driven
Formula gas compressor set can include chimney 1, gas turbine 2, natural gas compressor 3, air cooler 4, its technique
Process can be described as: initially enters natural gas compressor 3 from the natural gas in the pipe network of natural gas upstream door station, combustion
Gas-turbine 2 drives natural gas compressor 3 to be compressed natural gas, the high-temperature flue gas warp that gas turbine 2 self produces
Chimney 1 discharges.Enter in the natural gas via one-level cylinder of natural gas compressor 3 and compressed, natural after compression
Gas enters one-level air cooler 4 and carries out refrigerated separation；Natural gas after refrigerated separation is compressed in secondary cylinder again,
Natural gas after compression enters two grades of air coolers 4 and carries out refrigerated separation；Natural gas after separation enters in three-stage cylinder again
Row compression, the natural gas after compression enters three grades of air coolers 4 and carries out refrigerated separation；It is passed to down outside natural gas after separation
Play pipe net or natural gas gas storage.
Drive the technological process of formula gas compressor set based on combustion, combustion drives formula gas compressor set in the middle temperature of running
Degree raise the mainly excessive discharge temperature of natural gas compressor, air cooler chilling temperature too high.Cause natural pressure
Reason and harm that contracting machine delivery temperature raises are described in detail the most in embodiment 1, and here is omitted.
Formula gas compressor set natural gas compressor and air cooler temperature in running is driven in order to reduce combustion, this
Bright providing a kind of natural gas compressor transport refrigeration system, combustion is driven in formula gas compressor set and is fired by this refrigeration system
The heat of the substantial amounts of high-temperature flue gas that gas-turbine produces recycles, and utilizes this heat to carry out heat exchange refrigeration, not only
The thermal pollution of environment can be reduced, it is also possible to save substantial amounts of energy consumption.This refrigeration system utilizes the sorption type refrigerating technology can
To do drive force source with high temperature waste hot, produce low-temperature cold water supply combustion and drive formula gas compressor set cooling recirculation system
Use, improve combustion and drive the temperature rising phenomenon of natural gas compressor and air cooler in formula gas compressor set, it is achieved that
Energy-conserving and environment-protective, the purpose of Appropriate application high-temperature flue gas.
Fig. 2 is the schematic diagram of natural gas compressor transport refrigeration system according to embodiments of the present invention, as in figure 2 it is shown,
It is (the most real that this refrigeration system may include that formula gas compressor set, flue gas recovery device 6, refrigeration system 11 are driven in combustion
The cold and hot company executed in example 1 supplies unit) and heat exchanger 9 (i.e. the heat of heat exchange in embodiment 1), specifically, combustion is driven
Formula gas compressor set is as it is shown in figure 1, here is omitted.Flue gas recovery device 6 is serially connected in the combustion shown in Fig. 1
Drive between the gas turbine 2 in formula gas compressor set and chimney 1, for reclaiming the high temperature of gas turbine 2 discharge
Flue gas, utilizes flue gas recovery device 6 to absorb combustion and drives the heat of the high-temperature flue gas that formula gas compressor set produces, it is possible to
Reduce the high-temperature flue gas pollution to environment, decrease the waste of heat energy simultaneously.Refrigeration system 11 and flue gas recovery device 6
Being connected, freeze for absorbing the heat of high-temperature flue gas in flue gas recovery device 6, wherein, high-temperature flue gas is made
Cooling system 11 is changed into low-temperature flue gas and discharges via chimney 1 after absorbing heat, it is natural that refrigeration system 11 utilizes combustion to drive formula
The high temperature waste hot that air compressor group produces carries out refrigeration output cold water.Heat exchanger 9 is connected with refrigeration system 11, and also
It is associated in the combustion shown in Fig. 1 and drives the two ends of the air cooler 4 in formula gas compressor set, be used for utilizing refrigeration system 11
The cold water of output replaces air cooler 4 to cool down the high-temperature natural gas after compressing via natural gas compressor 3, refrigeration
The cold water of system 11 output drives the cooling recirculation system of formula gas compressor set for combustion, it is possible to reduce compression
After the temperature of each inter-stage of natural gas.
It should be noted that formula is driven in the combustion being made up of chimney 1, gas turbine 2, natural gas compressor 3, air cooler 4
The technical process of gas compressor set has been carried out being discussed in detail, and here is omitted.
The refrigeration system of this embodiment by arranging flue gas recovery device 6, the high temperature cigarette that will discharge from gas turbine 2
Gas first passes through three-way valve 5 (i.e. flue gas three-way valve in embodiment 1) and enters flue gas recovery device 6, passes through High Efficiency Thermal
Low-temperature flue gas after exchange emits via chimney 1.This embodiment utilizes flue gas recovery device 6 to reclaim gas turbine
The high-temperature flue gas of 2 discharges, carries out heat extraction to it, recycles the heat extracted, so can not only
Reduce thermal pollution, and can greatly reduce energy waste, improve resource utilization.Alternatively, as in figure 2 it is shown,
The refrigeration system of this embodiment can arrange three-way valve 5 respectively with gas turbine 2, chimney 1, flue gas recovery device 6
Be connected, utilize this three-way valve 5 can by the fume emission path that is made up of gas turbine 2 and chimney 1 with by combustion gas
The fume emission path of turbine 2, flue gas recovery device 6 and chimney 1 composition carries out parallel connection, so ensure that
Combustion drives the fume emission path being made up of gas turbine 2 and chimney 1 in formula gas compressor set when breaking down,
Can switch it to immediately to the fume emission path being made up of gas turbine 2, flue gas recovery device 6 and chimney 1,
And then reached to ensure the effect of system safety operation.
Refrigeration system 11 in the refrigeration system of this embodiment can be connected with flue gas recovery device 6, is used for absorbing cigarette
In gas recovering device 6, the heat of high-temperature flue gas freezes.Alternatively, refrigeration system 11 can be circulated by conduction oil
In Systemic absorption flue gas recovery device 6, the heat of high-temperature flue gas freezes, and wherein, Heat-conduction oil circulation system can be divided
It is not connected with flue gas recovery device 6 and refrigeration system 11, is used for utilizing conduction oil to absorb in flue gas recovery device 6 high
The heat of temperature flue gas, and the heat absorbed is delivered to refrigeration system 11.The refrigeration system of this embodiment utilizes heat conduction
Innage boiling nature can improve the absorption efficiency of high-temperature flue gas heat, it should be noted that the heat conduction in this embodiment
Oil circulating system can also be that other fluid circulation systems replace, and such as water circulation system, this is not done by the present invention has
Body limits.Alternatively, as in figure 2 it is shown, Heat-conduction oil circulation system may include that heat conduction oil circulating pump 7 (is i.e. implemented
Heat-transfer Oil Pump in example 1), it is connected with flue gas recovery device 6, for low temperature conduction oil being delivered to off-gas recovery dress
Putting 6, wherein, the heat that low temperature conduction oil absorbs high-temperature flue gas via flue gas recovery device 6 becomes high temperature heat conductive oil biography
Transporting to refrigeration system 11, refrigeration system 11 absorbs the heat that high temperature heat conductive oil carries and freezes, high temperature heat conductive oil quilt
Become low temperature conduction oil after absorbing heat, be again delivered in flue gas recovery device 6 inhale via heat conduction oil circulating pump 7
Receive the heat of high-temperature flue gas, so constitute the circulation of conduction oil, utilize the circulation of conduction oil can realize incessantly to
The heat of high-temperature flue gas passes to refrigeration system 11, makes refrigeration system 11 maintain refrigeration work.Alternatively, conduction oil
Blood circulation can also include: conduction oil expansion tank 8, is arranged on heat conducting oil pipe, respectively with heat conduction oil circulating pump 7
It is connected with refrigeration system 11, for housing or compensate the breathing amount of conduction oil in Heat-conduction oil circulation system.Work as conduction oil
After the heat of absorption high-temperature flue gas becomes high temperature heat conductive oil, volumetric expansion, conduction oil unnecessary in Heat-conduction oil circulation system
Then can flow into conduction oil expansion tank 8, after the heat of high temperature heat conductive oil is become low temperature conduction oil by refrigeration system 11 absorption,
Volume-diminished, internal conduction oil then can be delivered in Heat-conduction oil circulation system by conduction oil expansion tank 8.Refrigeration system
11 for utilizing the heat of high temperature heat conductive oil to freeze, and high temperature heat conductive oil is led via becoming low temperature after refrigeration system 11
Deep fat flows into heat conduction oil circulating pump 7 via conduction oil expansion tank 8.
Alternatively, refrigeration system 11 can include being sequentially connected the circulating pump, solution heat exchanger, generator, cold connect
Condenser, expansion valve, vaporizer and absorber, wherein, cold-producing medium is entered solution heat exchanger by circulating pump and changes
Heat, the refrigerator after heat exchange enters the heat of generator absorption high temperature heat conductive oil and becomes high temperature and high pressure steam, High Temperature High Pressure
Steam becomes low temperature and low pressure steam inflow absorber via condenser, expansion valve and vaporizer, and wherein, low-temp low-pressure steams
Vapour is changed into liquid in absorber and again flows into solution heat exchanger via circulating pump.Cold-producing medium in refrigeration system 11
(such as lithium bromide) carries out states of matter change (including gaseous state, liquid) in system, reaches to provide continuously and stably cold.
Heat exchanger 9 can be connected with condenser in refrigeration system 11 and absorber, and wherein, the cold water of condenser output passes through
Cold water circulation pump inflow heat exchanger 9, heat exchanger 9 is for utilizing the cold water of inflow to compress via natural gas compressor 3
After high-temperature natural gas cool down, wherein, cold water via becoming hot water inflow absorber after heat exchanger 9, with realize
Combustion is driven and is replaced air cooler 4 to compress via natural gas compressor 3 when formula gas compressor set runs in high temperature environments
After natural gas cool down, to reduce the purpose of the temperature of each inter-stage of natural gas after compression, and then realize carrying
Gao Ran drives the effect of the stability that formula gas compressor set runs in high temperature environments.
It should be noted that the cooling medium in condenser becomes high-temperature medium after absorbing heat, in order to reduce the waste of the energy,
This embodiment is preferably provided with reuse means and recycles the heat in high-temperature medium, wherein, and recycling dress
Put and can be connected with the condenser in refrigeration system 11, in the condenser of discharge in refrigeration system process of refrigerastion
Cooling medium heat absorption after the high-temperature medium that becomes recycle.
In order to ensure the refrigerating efficiency of refrigeration system 11, as in figure 2 it is shown, the refrigeration system of this embodiment is preferably set up
There is auxiliary cooling device for the cold-producing medium in refrigeration system 11 is carried out supplement heat rejecter.Wherein, auxiliary cooling device can
To be connected with refrigeration system 11, for the cold-producing medium in refrigeration system 11 is cooled down.Specifically, assist cold
But equipment may include that cooling tower 13, is connected with the vaporizer in refrigeration system 11, for refrigeration system 11
In cold-producing medium (such as lithium bromide) cool down；Refrigerant cycle pump 12 (i.e. circulating pump in embodiment 1),
It is connected with cooling tower 13 and vaporizer respectively, for the cold-producing medium after cooling tower 13 cools down being delivered to evaporation
Device.Cold-producing medium in refrigeration system 11 is assisted cold by arranging auxiliary cooling device by the refrigeration system of this embodiment
But, it is possible to be greatly enhanced the refrigerating efficiency of refrigeration system 11.
As in figure 2 it is shown, the heat exchanger 9 in the refrigeration system of this embodiment can be connected with refrigeration system 11, utilize
The cold of refrigeration system 11 output carries out heat exchange.Heat exchanger 9 can by the first input duct and the first drain pipe road with
Refrigeration system is connected, and wherein, in refrigeration system 11, the cold water of condenser output is by being arranged in the first input duct
Cold water circulation pump 10 inflow heat exchanger 9, heat exchanger 9 replaces air cooler 4 to via sky for utilizing the cold water of inflow
So the high-temperature natural gas after air compressor 3 compression cools down, and wherein, cold water leads to via becoming hot water after heat exchanger 9
Cross the first drain pipe road and flow into the absorber in refrigeration system 11.Heat exchanger 9 can be connected in parallel on combustion and drive formula natural gas compressing
The two ends of the air cooler 4 in unit, it is possible to use the cold water of refrigeration system 11 output replaces air cooler 4 to via natural
Air compressor 3 compression after high-temperature natural gas cool down, and then reduce combustion drive formula gas compressor set fortune
Natural gas compressor 3 and the temperature of air cooler 4 during row, it is ensured that formula gas compressor set stable operation is driven in combustion
Effect.It should be noted that this refrigeration system drives the sky in formula gas compressor set by arranging heat exchanger 9 with combustion
Cooler 4 is in parallel, it is possible to ensure to be immediately switched to another technique maintenance work when a technique breaks down, to reach
To ensureing that the effect of formula gas compressor set stable operation is driven in combustion.Alternatively, heat exchanger 9 two ends are respectively arranged with valve
Door, utilizes the valve at heat exchanger 9 two ends can control the start and stop of heat exchanger 9, to realize controlling flexibly heat exchanger 9
Purpose.
It should be noted that in actual application scenarios, utilize heat exchanger 9 to can substitute for air cooler 4 and natural gas entered
Row cooling, can be by arranging valve at air cooler 4 two ends, when needs utilize heat exchanger 9 to cool down natural gas
Time close air cooler 4 two ends valve, through natural gas compressor 3 compress after high-temperature natural gas enter heat exchanger 9
Carry out heat exchange, outside the natural gas after cooling, transport to gas storage or downstream pipe network.Meanwhile, refrigeration system 11 exports
Cold water enters heat exchanger 9 by cold water circulation pump 10 and carries out cold and hot exchange, and the hot water after heat exchange returns to refrigeration system 11
Middle continuation is freezed.
The refrigeration system of the embodiment of the present invention, drives the heat of the high-temperature flue gas that formula gas compressor set produces by reclaiming combustion
Amount, utilizes this heat to carry out the natural gas compressor compression that refrigeration replaces air cooler to drive in formula gas compressor set to combustion
After natural gas cool down, reached during natural gas transmission reduce combustion drive the sky in formula gas compressor set
So air compressor and purpose of air cooler temperature, and then solve combustion in correlation technique and drive formula gas compressor set at height
When running under temperature environment, the technology of frequent shutdown is caused to ask owing to compressor exhaust temperature and air cooler chilling temperature raise
Topic, it is achieved thereby that improve combustion to drive the technique effect of formula gas compressor set operation stability.
It should be noted that structure and the present invention enforcement of formula gas compressor set is driven in combustion in natural gas course of conveying
Refrigeration system in example uses parallel way, so ensure that and breaks down once certain process unit, controls dress
Put and can automatically medium be switched on another process pipe, and then reached the effect of safeguards system safe and stable operation.
Natural gas compressor transport refrigeration system in the embodiment of the present invention, utilizes flue gas recovery device to reclaim gas turbine
The heat of high-temperature flue gas produced, and the heat being recovered to is delivered to refrigeration system freezes, utilize refrigeration system
High-temperature natural gas after the cold of output replaces air cooler to compress natural gas compressor cools down, it is ensured that formula sky is driven in combustion
So air compressor group stable operation under the higher environment of summer temp.Sky is replaced by the cold utilizing refrigeration system to export
Natural gas is cooled by cooler, it is possible to ensure that timely more switching heat-exchanger is to natural gas when air cooler breaks down
Carry out the process that cools, it is possible to greatly propose combustion and drive the stable operation of formula gas compressor set.The present invention is ensureing
Combustion can also reduce thermal pollution discharge while driving formula gas compressor set stable operation, improves the comprehensive utilization of the energy
Rate.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not has in certain embodiment
The part described in detail, may refer to the associated description of other embodiments.In several embodiments provided herein, should
Can should realize by another way it is understood that disclosed technology contents.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improve and profit
Decorations also should be regarded as protection scope of the present invention.
Claims (15)
1. a natural gas compressor transport refrigeration system, it is characterised in that driven more than formula compressor unit system, flue gas by combustion
Heat recovery system, cold and heat combined supply unit, natural gas cooling system form.
Refrigeration system the most according to claim 1, it is characterised in that gas turbine exhaust gas discharge tube and chimney it
Between flue gas recovery device is set, wherein, gas turbine exhaust gas pipeline is connected with flue gas three-way valve, flue gas three-way valve
Being connected with chimney, flue gas recovery device pipeline, flue gas recovery device is connected with chimney, collectively constitutes high-temperature flue gas
Residual neat recovering system.
Refrigeration system the most according to claim 2, it is characterised in that flue gas recovery device and cold and heat combined supply unit,
Between Heat-transfer Oil Pump, conduction oil expansion tank, pipeline connects, and forms Heat-conduction oil circulation system.
Refrigeration system the most according to claim 3, it is characterised in that cold and heat combined supply unit and heat exchanger, circulation
Pump line road connects, and heat exchanger is in parallel with air cooler pipeline, forms natural gas cooling system.
Refrigeration system the most according to claim 3, it is characterised in that cooling water circulating pump and cooling tower belong to cold and hot
The auxiliary equipment of alliance unit.
6. a natural gas compressor transport refrigeration system, it is characterised in that including:
Flue gas recovery device, is serially connected between gas turbine and chimney, for reclaiming described discharge of gas turbine
High-temperature flue gas, wherein, described gas turbine is used for driving natural gas compressor to be compressed natural gas；
Refrigeration system, is connected with described flue gas recovery device, is used for absorbing high temperature in described flue gas recovery device
The heat of flue gas freezes, and wherein, described high-temperature flue gas is changed into low after being absorbed heat by described refrigeration system
Temperature flue gas is via described smoke stack emission；And
Heat exchanger, is connected with described refrigeration system, and is connected in parallel on the two ends of air cooler, is used for utilizing described system
The cold of cooling system output replaces described air cooler to the high-temperature natural gas after compressing via described natural gas compressor
Cooling down, wherein, described air cooler is connected with described natural gas compressor, for via described natural
High-temperature natural gas after air compressor compression cools down.
Refrigeration system the most according to claim 6, it is characterised in that also include:
Heat-conduction oil circulation system, is connected with described flue gas recovery device and described refrigeration system respectively, for profit
Absorb the heat of high-temperature flue gas in described flue gas recovery device with conduction oil, and the heat absorbed is delivered to institute
State refrigeration system.
Refrigeration system the most according to claim 7, it is characterised in that described Heat-conduction oil circulation system includes:
Heat conduction oil circulating pump, is connected with described flue gas recovery device, described for being delivered to by low temperature conduction oil
Flue gas recovery device, wherein, described low temperature conduction oil absorbs described high-temperature flue gas via described flue gas recovery device
Heat become high temperature heat conductive oil transmission to described refrigeration system；
Conduction oil expansion tank, is connected with described refrigeration system with described heat conduction oil circulating pump respectively, is used for housing
Or compensate the breathing amount of conduction oil in described Heat-conduction oil circulation system, wherein, described refrigeration system is used for utilizing institute
The heat stating high temperature heat conductive oil freezes, and described high temperature heat conductive oil is via becoming described low after described refrigeration system
Temperature conduction oil flows into described heat conduction oil circulating pump.
Refrigeration system the most according to claim 8, it is characterised in that described refrigeration system includes being sequentially connected and connects
Circulating pump, solution heat exchanger, generator, condenser, expansion valve, vaporizer and absorber, wherein,
Cold-producing medium is entered described solution heat exchanger by described circulating pump and carries out heat exchange, and the refrigerator after heat exchange enters described
Generator absorbs the heat of described high temperature heat conductive oil and becomes high temperature and high pressure steam, and described high temperature and high pressure steam is via institute
State condenser, described expansion valve and described vaporizer become low temperature and low pressure steam flow into described absorber, wherein,
Described low temperature and low pressure steam is changed into liquid in described absorber and again flows into described solution via described circulating pump
Heat exchanger.
Refrigeration system the most according to claim 9, it is characterised in that
Described heat exchanger is connected with described absorber and described condenser respectively,
Wherein, the cold water of described condenser output flows into described heat exchanger, described heat exchanger by cold water circulation pump
For utilizing the cold water of inflow that the high-temperature natural gas after compressing via described natural gas compressor is cooled down, its
In, described cold water flows into described absorber via becoming hot water after described heat exchanger.
11. refrigeration systems according to claim 10, it is characterised in that also include:
Auxiliary cooling device, is connected with described refrigeration system, for entering the cold-producing medium in described refrigeration system
Row cooling.
12. refrigeration systems according to claim 11, it is characterised in that described auxiliary cooling device includes:
Cooling tower, is connected with described vaporizer, for cooling down the cold-producing medium in described refrigeration system；
Refrigerant cycle pump, is connected with described cooling tower and described vaporizer respectively, and being used for will be through described cold
But the cold-producing medium after tower cooler is delivered to described vaporizer.
13. refrigeration systems according to claim 10, it is characterised in that also include:
Reuse means, is connected with the condenser in described refrigeration system, for freezing described refrigeration system
During discharge described condenser in cooling medium heat absorption after the high-temperature medium that becomes recycle.
14. refrigeration systems according to claim 6, it is characterised in that also include:
Three-way valve, is connected with described gas turbine, described chimney, described flue gas recovery device respectively, is used for
By the fume emission path being made up of described gas turbine and described chimney and by described gas turbine, described flue gas
The fume emission path of retracting device and described chimney composition carries out parallel connection.
15. according to the refrigeration system according to any one of claim 6 to 14, it is characterised in that described heat exchanger two ends are divided
It is not provided with valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610151192.5A CN105716325A (en) | 2016-03-16 | 2016-03-16 | Natural gas compressor conveying and refrigerating system |
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| CN201610151192.5A CN105716325A (en) | 2016-03-16 | 2016-03-16 | Natural gas compressor conveying and refrigerating system |
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| CN111980880A (en) * | 2019-05-23 | 2020-11-24 | 中国石油天然气股份有限公司 | Working system and cooling method of gas-driven supercharger |
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| CN205561332U (en) * | 2016-03-16 | 2016-09-07 | 碧海舟（北京）节能环保装备有限公司 | Refrigerating system is carried to natural gas compressor |
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| US20090031999A1 (en) * | 2007-08-02 | 2009-02-05 | Donald Charles Erickson | Charge air chiller |
| CN202194726U (en) * | 2011-08-16 | 2012-04-18 | 上海申能能源服务有限公司 | Distributed cooling-heating power combined supply system |
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