CN107063726A - One kind of multiple hydrocarbon azeotrope heat exchanger heat transfers and flow behavior test system - Google Patents
One kind of multiple hydrocarbon azeotrope heat exchanger heat transfers and flow behavior test system Download PDFInfo
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- CN107063726A CN107063726A CN201710223836.1A CN201710223836A CN107063726A CN 107063726 A CN107063726 A CN 107063726A CN 201710223836 A CN201710223836 A CN 201710223836A CN 107063726 A CN107063726 A CN 107063726A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
- G01N11/04—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
- G01N11/08—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture by measuring pressure required to produce a known flow
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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Abstract
The present invention relates to one kind of multiple hydrocarbon azeotrope heat exchanger heat transfers and flow behavior test system, the system includes azeotrope proportion unit and azeotrope, hot water, cooling water circulation loop, mainly includes hydrocarbon material tank, azeotrope vaporizer, proportioning tank, gas composition analysis instrument, compressor, vavuum pump, hot and cold water tank, cold and hot water-circulating pump, cooling tower, measuring instrumentss etc..The present invention will send into proportioning tank by proportioning according to operating condition of test requirement after hydrocarbon material vaporization heating, azeotrope component is exported by gas composition analysis instrument to proportioning tank to analyze, correct the hydrocarbon material dosage initially filled, meet operating condition of test azeotrope be pressurized through compressor after constitute test prototype azeotrope, with come self-cooling water tank recirculated cooling water complete exchange heat.This pilot system realizes that azeotrope is accurately matched, and the true operation operating mode of azeotrope heat exchanger is reproduced, while having flow regulating function to meet the operating condition of test under different flow and pressure condition.
Description
Technical field
The present invention relates to heat exchanger thermal property testing system, it is specifically related to one kind of multiple hydrocarbon azeotrope heat exchangers and passes
Heat and flow behavior test system.
Background technology
In recent years, with the rapid growth of energy demand, coal and oil shortage and the environmental pollution brought and ecology
Destruction problem, controls pollutant emission, preserves the ecological environment, realize sustainable development, it has also become the inevitable choosing in whole world various countries
Select.Natural gas has broad prospect of application in fields such as the energy, traffic, has become the world as a kind of high-quality clean energy resource
The preferred product of various countries' Optimization of Energy Structure.At present, South Sea oil-gas field development has turned into the important energy source line of China, due to day
Exploitation of the place of production away from energy-consuming area, particularly offshore natural gas of right gas, it is necessary to solve transportation problem, and after low-temperature liquefaction
Natural gas volume be only the 1/625 of original volume, be advantageous to transport and store, thus carry out liquefaction Technology of Natural Gas research
It is significant to development Chinese national economy.Natural gas liquefaction is mainly realized by freezing, and is roughly divided into tandem type, nitrogen swollen
Swollen circulation and azeotrope circulate 3 kinds of modes.Compared with the above two, azeotrope circulation have flow is simple, unit equipment is few,
The low feature of small investment, energy consumption, 80% Basicloadtype natural gas liquefaction device all employs azeotrope in the world at present
Liquefaction flow path.
Heat exchanger is also known as heat exchanger, is that the hot standby of heat exchange is carried out between cold fluid and hot fluid, is to realize oil, chemical industry, day
Heat exchange and the indispensable equipment of transmission in right gas production process.In the LNG factories of Basicloadtype, heat exchange is weight
The technical process wanted, in cooling, condensation and liquefaction flow path, mixing cold heat exchanger is most important heat transmission equipment.
Azeotrope heat exchanger is mainly used in cooling/condensation multistage pressure as the key equipment in natural gas liquefaction flow
Contracting medium (azeotrope), with the features such as load is big, energy consumption is big, due to heat transfer process azeotrope partial condensation and entirely
The process and mechanism of portion's condensation be not yet apparent, the problems such as reliability high efficient heat exchanging element not yet realizes production domesticization, the research and development of products
Still belong to blank at home, and due to being related to the energy security theme of sensitivity, western developed country carries out technology envelope to China always
Lock, therefore the key technology research such as related azeotrope heat exchanger heat transfer flow behavior, design, manufacture works and urgently carries out.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides one kind of multiple hydrocarbon azeotrope heat exchanger heat transfers and flow behavior
Test system.
In order to realize the purpose of the present invention, present invention employs following technical scheme：
One kind of multiple hydrocarbon azeotrope heat exchanger heat transfers and flow behavior test system, including azeotrope proportion unit,
Azeotrope circulation loop, hot water circulation loop and cooling water circulation loop；
The azeotrope proportion unit is included in multiple hydrocarbon material tanks being connected with dispensing pipeline, the hydrocarbon material tank
Hydrocarbon material is delivered in the azeotrope circulation loop in proportion by the dispensing pipeline respectively；
The azeotrope circulation loop includes the azeotrope vaporizer being sequentially connected with, azeotrope proportioning tank, compression
Machine and experimental prototype, dispensing tube outlet and the experimental prototype outlet connect with the azeotrope carburetor inlet
Connect, the experimental prototype the import and export pipeline is provided with the measuring instrumentss A for being used for measuring azeotrope temperature and pressure；The mixing
Cryogen proportioning tank export pipeline is connected with the gas composition analysis instrument for measuring azeotrope composition；
The hot water circulation loop includes electric heating water tank, hot water circulating pump and the azeotrope vapour sequentially installed
Change device, azeotrope proportioning tank, wherein the azeotrope vaporizer shell side, azeotrope proportioning tank tube side and being connected in the heat
On water-flow circuit；
The cooling water circulation loop includes cooling tower, cold water storage cistern, cold water circulation pump, the azeotrope being sequentially connected with
Proportioning tank, compressor and experimental prototype, wherein the azeotrope proportioning tank tube side, experimental prototype tube side and compressor cooling
System is simultaneously connected on the cooling water circulation loop, and the experimental prototype tube side the import and export pipeline, which is provided with, to be used to measure cooling water
The measuring instrumentss B of temperature and pressure.
Further, the hydrocarbon material tank is respectively heavy hydrocarbon material pot, light hydrocarbon materials tank and olefin feed tank, described heavy
Manually-operated gate one, manually-operated gate are separately installed between hydrocarbon material tank, light hydrocarbon materials tank and olefin feed tank and dispensing pipeline
First mass flowmenter is installed on the 2nd, manually-operated gate three, the dispensing pipeline and reached in first mass flowmenter
The pneumatic on-off valve closed during setting value, the dispensing tube outlet end is provided with manually-operated gate four.
Further, in the azeotrope circulation loop：It is provided between the compressor and experimental prototype in test
The preceding vavuum pump that vacuumize process is carried out to azeotrope circulation loop, is also equipped with the between the compressor and experimental prototype
Two mass flowmenters and coordinate second mass flowmenter to control azeotrope to enter the bypass of flow in experimental prototype
Azeotrope is back to the azeotrope proportioning tank entrance point in pipeline, the bypass line.
Further, the measuring instrumentss A include be located at experimental prototype entrance point pipeline on the 6th temperature transmitter with
6th pressure transmitter and the 7th temperature transmitter and the 7th pressure transmitter on experimental prototype port of export pipeline；Institute
State measuring instrumentss B include be located at experimental prototype tube side entrance point pipeline on the 9th temperature transmitter and the 9th pressure transmitter with
And the tenth temperature transmitter and the tenth pressure transmitter on experimental prototype tube side port of export pipeline.
Further, in the azeotrope circulation loop：The azeotrope carburetor inlet end is provided with hand-operated valve
Door five, the azeotrope proportioning tank entrance point is provided with manually-operated gate six, and the azeotrope proportioning tank port of export is provided with
Manually-operated gate seven, the compressor inlet is provided with manually-operated gate eight, and the gas composition analysis instrument entrance point is provided with hand
Movable valve nine, the compressor outlet, which is provided with manually-operated gate ten, the bypass line, is provided with manually-operated gate 11, institute
State vavuum pump entrance point and manually-operated gate 12 is installed, the experimental prototype entrance point is provided with manually-operated gate 13, the examination
Test the model machine port of export and manually-operated gate 14 is installed；The second pressure is sequentially installed on the azeotrope vaporizer outlets end pipe road
The 3rd temperature pick-up is installed in power transmitter, second temperature transmitter and second check-valve, the azeotrope proportioning tank
Device and the 3rd pressure transmitter, the first pressure-reducing valve and the 4th are sequentially provided between the manually-operated gate seven and manually-operated gate eight
Pressure transmitter and the 4th temperature transmitter, are provided with the 3rd check-valves, the side between the compressor and manually-operated gate ten
5th pressure transmitter and the 5th temperature transmitter, the manually-operated gate 11, flow control valve are sequentially installed on siphunculus road
And the 4th check-valves, the 6th pressure inverting is installed between second mass flowmenter and the manually-operated gate 13
Device and the 6th temperature transmitter, are provided with pipeline viewing mirror, the pipeline viewing mirror between the experimental prototype and manually-operated gate 14
7th pressure transmitter and the 7th temperature transmitter be installed between experimental prototype, the manually-operated gate 14 with manually
Second pressure-reducing valve, first check-valve are sequentially installed between valve five, are provided between second pressure-reducing valve, first check-valve
8th pressure transmitter and the 8th temperature transmitter.
Further, in the hot water circulation loop：The electric heating water tank port of export is provided with manually-operated gate 21,
The hot water circulating pump port of export is provided with manually-operated gate 22, and the azeotrope carburetor inlet end is provided with hand-operated valve
Men Ershi tri-, the azeotrope vaporizer outlets end is provided with manually-operated gate 24, the azeotrope proportioning tank heat exchange
Tube side entrance point is provided with manually-operated gate 25, and the azeotrope proportioning tank heat exchange tube side port of export is provided with manually-operated gate
26, the electric heating water tank entrance point is provided with manually-operated gate 27；The manually-operated gate 22 and manually-operated gate
It is provided between 23 on first electromagnetic flowmeter, the azeotrope vaporizer and the first temperature transmitter and first is installed
Pressure transmitter.
Further, in the cooling water circulation loop：The cold water storage cistern port of export is provided with manually-operated gate 31, institute
State the cooling water circulating pump port of export and manually-operated gate 32 is installed, the compressor inlet is provided with manually-operated gate 30
Five, the compressor outlet is provided with manually-operated gate 36, and the experimental prototype tube side entrance point is provided with manually-operated gate
37, the experimental prototype tube side port of export is provided with manually-operated gate 38, and the cold water storage cistern entrance point is provided with manually
Valve 39；It is connected with to enter with the azeotrope proportioning tank between the manually-operated gate 32 and manually-operated gate 35
The first of mouthful end connection is in charge of, and described first is in charge of and is provided with manually-operated gate 33, the manually-operated gate 36 with it is cold
But it is connected with second connected with the azeotrope proportioning tank port of export between tower to be in charge of, described second is in charge of and is provided with hand
Movable valve 34；The water inlet front end of the manually-operated gate 37 is provided with the second electromagnetic flowmeter.
Further, the compressor uses diaphragm type compressor.
The beneficial effects of the present invention are：
(1) the azeotrope burden control unit is by being arranged between hydrocarbon material tank and azeotrope vaporizer on pipeline
The first mass flowmenter and pneumatic on-off valve chain control, with realize a variety of hydrocarbon materials by setting proportioning mixing is constituted mix it is cold
Agent.The gas composition analysis instrument exports azeotrope real composition proportioning to azeotrope proportioning tank and detected, according to inspection
Survey result to be modified azeotrope proportioning, realize the accurate proportioning of azeotrope.It is mixed that the compressor inlet is set
Cryogen proportioning tank is closed, the secondary pressure of azeotrope can be achieved and matches again balanced.I.e. the present invention, which possesses, realizes azeotrope
The function of accurately matching, can reproduce the true operation operating mode of azeotrope heat exchanger, can carry out different component proportioning lower mixed
Close the test job of cryogen heat exchanging device heat-transfer character influence.
(2) the azeotrope proportioning tank constitutes heat exchange tube side using the additional sabot pipe of storage tank, when needing that compressor is gone out
When mouth azeotrope flow is adjusted, HTHP azeotrope enters azeotrope proportioning tank, is now in charge of by first
It is cold to azeotrope progress in azeotrope proportioning tank that recirculated cooling water is passed through to the heat exchange tube side of the azeotrope proportioning tank
But, it is ensured that the state of the azeotrope needed for compressor inlet.When needing to restart experiment again after experiment is terminated, now to institute
State be passed through in the heat exchange tube side of azeotrope proportioning tank circulating hot water in azeotrope proportioning tank azeotrope carry out heating make
It is vaporized, and realizes recycling for azeotrope, it is to avoid the waste of test(ing) medium.
(3) vavuum pump is provided with the azeotrope circulation loop, azeotrope circulation loop is vacuumized, it is ensured that is returned
The purity of azeotrope in road, while excluding influence of the on-condensible gas to result of the test.
The compressor outlet is provided with bypass line, passes through the second mass flowmenter on experimental prototype entrance point pipeline
Interlocking fit control is carried out with the flow control valve on bypass line, while coordinating on azeotrope proportioning tank port of export pipeline
The regulation of first pressure-reducing valve, can be achieved operating condition of test of the experimental prototype under different flow and pressure condition.
(4) a set of cooling water circulation loop while can meet experimental prototype performance test in the present invention, can be with
For the cooling of azeotrope in the regulation to compressor outlet azeotrope temperature and azeotrope proportioning tank, the present invention is real
Now with minimum equipment investment, the stable operation of whole system is realized, resource utilization is improved, testing stand construction cost is reduced.
(5) the experimental prototype port of export is provided with pipeline viewing mirror, the 7th pressure inverting of the compatibility test model machine port of export
Device and the 7th temperature transmitter, can monitoring test model machine export azeotrope phase.
(6) compressor uses diaphragm type compressor, and the cylinder of diaphragm type compressor need not lubricate, good seal performance, pressure
Contracting medium not with any lubricant contact, any pollution will not be produced in compression process, it is ensured that the purity of azeotrope.
(7) present invention can be used for carrying out the polytype azeotrope heat exchanger heat transfer such as low finned tube, screwed pipe, twisted tube
With the experimental study of flow resistance performance.
The present invention produced by throttling low pressure azeotrope can as main cryogenic heat exchanger low-temperature receiver, be liquefied natural gas dress
Put azeotrope heat exchanger and the heat transfer of main cryogenic heat exchanger and the research of flow resistance performance provides data and supported.
Brief description of the drawings
Fig. 1 is present system structural representation.
The implication marked in accompanying drawing is as follows：
1- heavy hydrocarbon material pots；2- light hydrocarbon materials tanks；3- olefin feed tanks；4- azeotrope vaporizers；5- azeotropes are matched somebody with somebody
Compare tank；6- compressors；7- experimental prototypes；8- electric heating water tanks；9- cold water storage cisterns；10- cooling towers；X1- gas composition analysis instrument；
Z1- vavuum pumps；P11- hot water circulating pumps；P12- cold water circulation pumps；
The stop valves of CV1- first；The stop valves of CV2- second；The stop valves of CV3- the 3rd；The stop valves of CV4- the 4th；
XV1- pneumatic on-off valves；The pressure-reducing valves of RV1- first；The pressure-reducing valves of RV2- second；FV1- flow control valves；
V1- manually-operated gates one；V2- manually-operated gates two；V3- manually-operated gates three；V4- manually-operated gates four；V5- manually-operated gates
Five；V6- manually-operated gates six；V7- manually-operated gates seven；V8- manually-operated gates eight；V9- manually-operated gates nine；V10- manually-operated gates ten；
V11- manually-operated gates 11；V12- manually-operated gates 12；V13- manually-operated gates 13；V14- manually-operated gates 14；
V21- manually-operated gates 21；V22- manually-operated gates 22；V23- manually-operated gates 23；V24- manually-operated gates
24；V25- manually-operated gates 25；V26- manually-operated gates 26；V27- manually-operated gates 27；
V31- manually-operated gates 31；V32- manually-operated gates 32；V33- manually-operated gates 33；V34- manually-operated gates
34；V35- manually-operated gates 35；V36- manually-operated gates 36；V37- manually-operated gates 37；V38- manually-operated gates
38；V39- manually-operated gates 39；
The mass flowmenters of F1- first；The mass flowmenters of F2- second；The electromagnetic flowmeters of F3- first；The Electromagnetic Flows of F4- second
Meter；
The temperature transmitters of T1- first；T2- second temperature transmitters；The temperature transmitters of T3- the 3rd；The temperature pick-ups of T4- the 4th
Device；The temperature transmitters of T5- the 5th；The temperature transmitters of T6- the 6th；The temperature transmitters of T7- the 7th；The temperature transmitters of T8- the 8th；
The temperature transmitters of T9- the 9th；The temperature transmitters of T10- the tenth；
P1- first pressure transmitters；P2- second pressure transmitters；The pressure transmitters of P3- the 3rd；The pressure invertings of P4- the 4th
Device；The pressure transmitters of P5- the 5th；The pressure transmitters of P6- the 6th；The pressure transmitters of P7- the 7th；The pressure transmitters of P8- the 8th；
The pressure transmitters of P9- the 9th；The pressure transmitters of P10- the tenth.
Embodiment
More specific detail is made to technical solution of the present invention with reference to embodiment：
As shown in figure 1, the experimental prototype chooses compressor stage aftercooler ratio sample in DMR liquefied natural gas process flows
Machine, its structure is interior ripple male-pipe+spiral baffle heat exchanger, and medium is water in tube side, shell side medium be ethene, propane,
The azeotrope that isopentane is constituted, operating condition of test parameter is as follows：
Table 1 below is azeotrope parameter in the present embodiment：
| Classification | Component (mol ratio) |
| Ethene C2H4 | 0.410449 |
| Propane C3H8 | 0.498986 |
| Isopentane i-C5H12 | 0.090565 |
Wherein above-mentioned isopentane i-C5H12It is filling in heavy hydrocarbon material pot 1, propane C3H8It is filling in light hydrocarbon materials tank 2, second
Alkene C2H4It is filling in olefin feed tank 3；
Experimental prototype import azeotrope pressure：3.2MPa；Temperature：105℃；
Azeotrope flow：250kg/h；
Experimental prototype cooling water inlet temperature：25℃；Cooling water flow：6m3/h。
It is the method for testing of the test system below：
Before on-test, the V4 of manually-operated gate four, the V5 of manually-operated gate five, the V6 of manually-operated gate six, the V7 of manually-operated gate seven, hand are opened
The V8 of movable valve eight, the V10 of manually-operated gate ten, the V11 of manually-operated gate 11, the V12 of manually-operated gate 12, the V13 of manually-operated gate 13, manually
The V14 of valve 14, pneumatic on-off valve XV1, the first pressure-reducing valve RV1, the second pressure-reducing valve RV2, flow control valve FV1, using blade
Vavuum pump Z1 is vacuumized to azeotrope circulation loop, is treated that vacuum reaches 10Pa or so, is closed the V7 of manually-operated gate seven, hand-operated valve
Eight V8 of door, the V10 of manually-operated gate ten, the V11 of manually-operated gate 11, the V12 of manually-operated gate 12, the V13 of manually-operated gate 13, manually-operated gate
14 V14, pneumatic on-off valve XV1, the first pressure-reducing valve RV1, the second pressure-reducing valve RV2, flow control valve FV1.Open electric-heating water
Case 8, hot water circulating pump P11 and the V21 of manually-operated gate 21, the V22 of manually-operated gate 22, the V23 of manually-operated gate 23, manually
In the V24 of valve 24, the V27 of manually-operated gate 27, the azeotrope vaporizer 4 of observation the first temperature transmitter T1 measurements
Hot water temperature is worth, the power of adjustment electric heating water tank 8, and hot water temperature is at 80 DEG C or so in maintenance azeotrope vaporizer 4.According to
Operating condition of test requirement, it is respectively 1.63kg, 2.87kg, 5.49kg to calculate isopentane, ethene, the initial filling weight of propane, opens weight
The V1 of hydrocarbon material tank 1 (pentane tank) port of export manually-operated gate one is filled, and treats that the first mass flowmenter F1 readings reach 1.63kg
Afterwards, pneumatic on-off valve XV1 is closed rapidly, the V1 of 1 port of export manually-operated gate of heavy hydrocarbon material pot one is simultaneously closed off, into the isoamyl of pipeline
Enter azeotrope proportioning tank 5 after the fully vaporization of the blended cryogen heat of vaporization device 4 of alkane, fill propane successively in this way
5.49kg, ethene 2.87kg, to be filled finish close the V4 of manually-operated gate four, now the azeotrope in azeotrope proportioning tank 5
Uniformly mix and in complete gaseous state.The V7 of manually-operated gate seven at the top of azeotrope proportioning tank 5 is opened, the first pressure-reducing valve is adjusted
RV1 apertures make the 4th pressure transmitter P4 readings be 0.2MPa or so, the V9 of manually-operated gate nine are opened, using gas composition analysis instrument
X1 is detected to azeotrope component in azeotrope proportioning tank 5, according to testing result, is calculated deviation and is filled by above-mentioned
Mode rationally corrects each component filling weight, and result to be detected, which is met, closes the V9 of manually-operated gate nine after operating condition of test.
Now open cooling tower 10, cold water circulation pump P12 and the V31 of manually-operated gate 31, the V32 of manually-operated gate 32,
The V35 of manually-operated gate 35, the V36 of manually-operated gate 36, the V37 of manually-operated gate 37, the V38 of manually-operated gate 38, manually
The V39 of valve 39, makes cooling water in the tube side of experimental prototype 7 and the cooling system interior circulation of compressor 6.Open manually-operated gate eight
V8, the V10 of manually-operated gate ten, the V13 of manually-operated gate 13, the V14 of manually-operated gate 14, the first pressure-reducing valve RV1 apertures of adjustment make the 4th
Pressure transmitter P4 readings are 0.8MPa or so, start compressor 6 and azeotrope is pressurized, the azeotrope after supercharging enters
Enter experimental prototype 7, the pressure transmitter P6 of 7 entrance point of viewing test model machine the 6th and the 6th temperature transmitter T6 readings, adjustment pressure
Cooling water flow cools to azeotrope in contracting machine 6, the import azeotrope temperature of experimental prototype 7 is maintained 105 DEG C；Open
The flow control valve FV1 on the V11 of manually-operated gate 11, the adjustment port of export bypass line of compressor 6 is opened, makes the second mass flowmenter
F2 readings maintain 250kg/h, while adjusting the V33 of manually-operated gate 33, the V34 apertures of manually-operated gate 34 to azeotrope
Azeotrope is cooled in proportioning tank 5；The blower fan of cooling tower 10 and cold water circulation pump P12 power are adjusted, makes the first Electromagnetic Flow
Meter F3 readings maintain 6m3/ h, the tube side inlet temperature of experimental prototype 7 maintains 25 DEG C.Meet the azeotrope warp of duty parameter
Overtesting model machine 7 fully exchanges heat with carrying out the cooling water of self-cooling water tank 9, enters azeotrope vapour after being depressurized through the second pressure-reducing valve RV2
Change the hot vaporization of device 4 and complete next test cycle.In process of the test, observation pipeline viewing mirror S1 and the 7th temperature transmitter T7, the
Seven pressure transmitter P7 readings, are monitored after azeotrope status, stable conditions to be tested, record the 6th temperature transmitter
T6, the 6th pressure transmitter P6, the 7th temperature transmitter T7, the 7th pressure transmitter P7, the 9th temperature transmitter T9, the 9th pressure
Power transmitter P9, the tenth temperature transmitter T10, the tenth pressure transmitter P10 reading, thermal balance meter is carried out to experimental prototype 7
Calculate.
When experiment, which is terminated, restarts experiment again, electric heating water tank 8, hot water circulating pump P11 and manually-operated gate are first turned on
21 V21, the V22 of manually-operated gate 22, the V25 of manually-operated gate 25, the V26 of manually-operated gate 26, manually-operated gate 20
Seven V27, are adjusted the power of electric heating water tank, the azeotrope in azeotrope proportioning tank 5 are heated using circulating hot water,
Monitor the 3rd temperature transmitter T3, the 3rd pressure transmitter P3 reading, cryogen proportioning tank to be mixed at azeotrope proportioning tank 5
After azeotrope is completely vaporized in 5, the V23 of manually-operated gate 23, the V24 of manually-operated gate 24 are opened, manually-operated gate two is closed
First temperature transmitter T1 reading, adjustment electricity at 15 V25, the V26 of manually-operated gate 26, observation azeotrope vaporizer 4
Water temperature is at 80 DEG C or so in the power of heating water tank, maintenance azeotrope vaporizer 4.Open cooling tower 10, cold water circulation pump P12
And the V31 of manually-operated gate 31, the V32 of manually-operated gate 32, the V35 of manually-operated gate 35, the V36 of manually-operated gate 36, hand
The V37 of movable valve 37, the V38 of manually-operated gate 38, the V39 of manually-operated gate 39, make cooling water in the tube side of experimental prototype 7 and
The cooling system interior circulation of compressor 6.Open the V5 of manually-operated gate five, the V6 of manually-operated gate six, the V7 of manually-operated gate seven, manually-operated gate eight
V8, the V10 of manually-operated gate ten, the V13 of manually-operated gate 13, the V14 of manually-operated gate 14, the first pressure-reducing valve RV1 apertures of adjustment make the 4th
Pressure transmitter P4 readings are 0.8MPa or so, start compressor 6 and azeotrope is pressurized, the azeotrope after supercharging enters
Enter experimental prototype 7, the pressure transmitter P6 and the 6th temperature transmitter T6 of 7 entrance point of viewing test model machine the 6th reading, adjustment
Cooling water flow cools to azeotrope in compressor 6, the import azeotrope temperature of experimental prototype 7 is maintained 105 DEG C；Open
Flow control valve FV1 on the V11 of manually-operated gate 11, adjustment bypass line, maintains the second mass flowmenter reading
250kg/h, while adjusting the V33 of manually-operated gate 33, the V34 apertures of manually-operated gate 34 to being mixed in azeotrope proportioning tank 5
Cryogen is closed to be cooled；The blower fan of cooling tower 10 and cold water circulation pump P12 power are adjusted, the first electromagnetic flowmeter F3 readings are maintained
In 6m3/ h, the 9th temperature transmitter T9 readings maintain 25 DEG C.Azeotrope is by experimental prototype 7 with carrying out the cold of self-cooling water tank 9
But water is fully exchanged heat, and the next experiment of the vaporization completion of azeotrope heat of vaporization device 4 is entered after being depressurized through the second pressure-reducing valve RV2 and is followed
Ring.Pipeline viewing mirror S1 and the 7th temperature transmitter T7, the 7th pressure transmitter P7 reading, monitoring mixing are observed in process of the test
After cryogen status, stable conditions to be tested, the 6th temperature transmitter T6 of record, the 6th pressure transmitter P6, the 7th temperature
Transmitter T7, the 7th pressure transmitter P7, the 9th temperature transmitter T9, the 9th pressure transmitter P9, the tenth temperature transmitter
T10, the tenth pressure transmitter P10 reading, heat Balance Calculation is carried out to experimental prototype 7.
Claims (8)
1. one kind of multiple hydrocarbon azeotrope heat exchanger heat transfers and flow behavior test system, it is characterised in that：Including azeotrope
Proportion unit, azeotrope circulation loop, hot water circulation loop and cooling water circulation loop；
The azeotrope proportion unit includes the hydrocarbon thing in multiple hydrocarbon material tanks being connected with dispensing pipeline, the hydrocarbon material tank
Material is delivered in the azeotrope circulation loop in proportion by the dispensing pipeline respectively；
The azeotrope circulation loop includes the azeotrope vaporizer (4) being sequentially connected with, azeotrope proportioning tank (5), pressure
Contracting machine (6) and experimental prototype (7), the dispensing tube outlet and experimental prototype (7) outlet with the azeotrope vapour
Change device (4) import connection, experimental prototype (7) the import and export pipeline is provided with the survey for being used for measuring azeotrope temperature and pressure
Measure instrument A；Azeotrope proportioning tank (5) export pipeline is connected with the gas composition analysis for measuring azeotrope composition
Instrument (X1)；
The electric heating water tank (8), hot water circulating pump (P11) and the mixing that the hot water circulation loop includes sequentially installing are cold
Agent vaporizer (4), azeotrope proportioning tank (5), wherein the azeotrope vaporizer (4) shell side, azeotrope proportioning tank (5)
Tube side is simultaneously connected in the hot water circulation loop；
It is cooling tower (10) that the cooling water circulation loop includes being sequentially connected with, cold water storage cistern (9), cold water circulation pump (P12), described
Azeotrope proportioning tank (5), compressor (6) and experimental prototype (7), wherein the azeotrope proportioning tank (5) tube side, experiment
Model machine (7) tube side and compressor (6) cooling system are simultaneously connected on the cooling water circulation loop, experimental prototype (7) tube side
The import and export pipeline is provided with the measuring instrumentss B for being used for measuring cooling water temperature and pressure.
2. hydrocarbons azeotrope heat exchanger heat transfer as claimed in claim 1 and flow behavior test system, it is characterised in that：
The hydrocarbon material tank is respectively heavy hydrocarbon material pot (1), light hydrocarbon materials tank (2) and olefin feed tank (3), the heavy hydrocarbon material pot
(1), be separately installed between light hydrocarbon materials tank (2) and olefin feed tank (3) and dispensing pipeline manually-operated gate one (V1), manually
First mass flowmenter (F1) is installed and described on valve two (V2), manually-operated gate three (V3), the dispensing pipeline
One mass flowmenter (F1) reaches the pneumatic on-off valve (XV1) closed during setting value, and the dispensing tube outlet end is provided with hand
Movable valve four (V4).
3. hydrocarbons azeotrope heat exchanger heat transfer as claimed in claim 1 and flow behavior test system, it is characterised in that：
In the azeotrope circulation loop：It is provided with before testing to azeotrope between the compressor (6) and experimental prototype (7)
Circulation loop carries out the vavuum pump (Z1) of vacuumize process, and second is also equipped between the compressor (6) and experimental prototype (7)
Mass flowmenter (F2) and cooperation second mass flowmenter (F2) are flowed to control azeotrope to enter in experimental prototype (7)
Azeotrope is back to azeotrope proportioning tank (5) entrance point in the bypass line of amount, the bypass line.
4. hydrocarbons azeotrope heat exchanger heat transfer as claimed in claim 3 and flow behavior test system, it is characterised in that：
The 6th temperature transmitter (T6) that the measuring instrumentss A includes being located on experimental prototype (7) entrance point pipeline becomes with the 6th pressure
Send device (P6) and the 7th temperature transmitter (T7) and the 7th pressure transmitter on experimental prototype (7) port of export pipeline
(P7)；The measuring instrumentss B includes the 9th temperature transmitter (T9) and the being located on experimental prototype (7) tube side entrance point pipeline
Nine pressure transmitters (P9) and the tenth temperature transmitter (T10) and the tenth pressure on experimental prototype tube side port of export pipeline
Power transmitter (P10).
5. hydrocarbons azeotrope heat exchanger heat transfer as claimed in claim 4 and flow behavior test system, it is characterised in that：
In the azeotrope circulation loop：Azeotrope vaporizer (4) entrance point is provided with manually-operated gate five (V5), described mixed
Close cryogen proportioning tank (5) entrance point and manually-operated gate six (V6) is installed, azeotrope proportioning tank (5) port of export is provided with hand
Movable valve seven (V7), compressor (7) entrance point is provided with manually-operated gate eight (V8), and the gas composition analysis instrument (X1) is entered
Mouth end is provided with manually-operated gate nine (V9), and compressor (6) port of export is provided with manually-operated gate ten (V10), the bypass pipe
Manually-operated gate 11 (V11) is installed, vavuum pump (Z1) entrance point is provided with manually-operated gate 12 (V12), described on road
Experimental prototype (7) entrance point is provided with manually-operated gate 13 (V13), and experimental prototype (7) port of export is provided with manually-operated gate
14 (V14)；Second pressure transmitter (P2), second are sequentially installed on azeotrope vaporizer (4) port of export pipeline
The 3rd temperature transmitter is installed on temperature transmitter (T2) and second check-valve (CV2), the azeotrope proportioning tank (5)
(T3) with the 3rd pressure transmitter (P3), first is sequentially provided between the manually-operated gate seven (V7) and manually-operated gate eight (V8)
Pressure-reducing valve (RV1) and the 4th pressure transmitter (P4) and the 4th temperature transmitter (T4), the compressor (6) and manually-operated gate
Be provided between ten (V10) on the 3rd check-valves (CV3), the bypass line be sequentially provided with the 5th pressure transmitter (P5) with
5th temperature transmitter (T5), the manually-operated gate 11 (V11), flow control valve (FV1) and the 4th check-valves (CV4),
The 6th pressure transmitter (P6) is installed between second mass flowmenter (F2) and the manually-operated gate 13 (V13)
With the 6th temperature transmitter (T6), pipeline viewing mirror is installed between the experimental prototype (7) and manually-operated gate 14 (V14)
(S1) the 7th pressure transmitter (P7) and the 7th temperature, are installed between the pipeline viewing mirror (S1) and experimental prototype (7)
Transmitter (T7), the second pressure-reducing valve is sequentially provided between the manually-operated gate 14 (V14) and manually-operated gate five (V5)
(RV2), first check-valve (CV1), is provided with the change of the 8th pressure between second pressure-reducing valve (RV2), first check-valve (CV1)
Send device (P8) and the 8th temperature transmitter (T8).
6. hydrocarbons azeotrope heat exchanger heat transfer as claimed in claim 4 and flow behavior test system, it is characterised in that：
In the hot water circulation loop：Electric heating water tank (8) port of export is provided with manually-operated gate 21 (V21), the hot water
Circulating pump (P11) port of export is provided with manually-operated gate 22 (V22), and azeotrope vaporizer (4) entrance point is provided with
Manually-operated gate 23 (V23), azeotrope vaporizer (4) port of export is provided with manually-operated gate 24 (V24), described
Azeotrope proportioning tank (5) heat exchange tube side entrance point is provided with manually-operated gate 25 (V25), the azeotrope proportioning tank
(5) the heat exchange tube side port of export is provided with manually-operated gate 26 (V26), and electric heating water tank (8) entrance point is provided with manually
Valve 27 (V27)；First electricity is installed between the manually-operated gate 22 (V22) and manually-operated gate 23 (V23)
The first temperature transmitter (T1) and first pressure transmitter are installed on magnetic flowmeter (F3), the azeotrope vaporizer (4)
(P1)。
7. hydrocarbons azeotrope heat exchanger heat transfer as claimed in claim 4 and flow behavior test system, it is characterised in that：
In the cooling water circulation loop：Cold water storage cistern (9) port of export is provided with manually-operated gate 31 (V31), the cooling water
Circulating pump (P12) port of export is provided with manually-operated gate 32 (V32), and compressor (6) entrance point is provided with manually-operated gate
35 (V35), compressor (6) port of export is provided with manually-operated gate 36 (V36), experimental prototype (7) tube side
Entrance point is provided with manually-operated gate 37 (V37), and experimental prototype (7) the tube side port of export is provided with manually-operated gate 38
(V38), cold water storage cistern (9) entrance point is provided with manually-operated gate 39 (V39)；The manually-operated gate 32 (V32) with
First connected with azeotrope proportioning tank (5) entrance point is connected between manually-operated gate 35 (V35) to be in charge of, it is described
First is in charge of and is provided with manually-operated gate 33 (V33), connects between the manually-operated gate 36 (V36) and cooling tower (10)
It is connected to second connected with azeotrope proportioning tank (5) port of export to be in charge of, described second is in charge of and is provided with manually-operated gate
34 (V34)；The water inlet front end of the manually-operated gate 37 (V37) is provided with the second electromagnetic flowmeter (F4).
8. hydrocarbons azeotrope heat exchanger heat transfer and flow behavior test system as described in claim any one of 1-7, its
It is characterised by：The compressor (6) uses diaphragm type compressor.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108888982A (en) * | 2018-06-29 | 2018-11-27 | 合肥通用机械研究院有限公司 | A kind of polymarization method for prodcing polyacrylates gas recovery gear and recovery process |
| CN110501175A (en) * | 2019-08-20 | 2019-11-26 | 国电南瑞科技股份有限公司 | A kind of integrated charge and discharge heat performance testing device of thermal storage equipment |
| CN112763368A (en) * | 2020-12-25 | 2021-05-07 | 浙江大学 | QCM (quaternary ammonium chloride) experimental system capable of adjusting different working conditions and adjusting method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020083240A (en) * | 2001-04-26 | 2002-11-02 | 만도공조 주식회사 | Test method and apparatus of heat exchanger core |
| CN102435632A (en) * | 2011-09-14 | 2012-05-02 | 上海交通大学 | Testing system for researching flow boiling heat transfer character and pressure drop character of cryogenic fluid |
| CN103512738A (en) * | 2013-09-23 | 2014-01-15 | 西安交通大学 | Low-temperature hydraulic turbine closed type experimental system and test method |
| CN103558046A (en) * | 2013-11-08 | 2014-02-05 | 上海市特种设备监督检验技术研究院 | Heat exchanger energy efficiency evaluation system |
| CN203479550U (en) * | 2013-08-12 | 2014-03-12 | 中国东方电气集团有限公司 | System suitable for testing heat transfer and resistance characteristics of heat exchanger of large-scale generating equipment |
| CN106441964A (en) * | 2016-09-14 | 2017-02-22 | 中海石油气电集团有限责任公司 | Floating type test platform of natural gas liquefaction system |
-
2017
- 2017-04-07 CN CN201710223836.1A patent/CN107063726B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020083240A (en) * | 2001-04-26 | 2002-11-02 | 만도공조 주식회사 | Test method and apparatus of heat exchanger core |
| CN102435632A (en) * | 2011-09-14 | 2012-05-02 | 上海交通大学 | Testing system for researching flow boiling heat transfer character and pressure drop character of cryogenic fluid |
| CN203479550U (en) * | 2013-08-12 | 2014-03-12 | 中国东方电气集团有限公司 | System suitable for testing heat transfer and resistance characteristics of heat exchanger of large-scale generating equipment |
| CN103512738A (en) * | 2013-09-23 | 2014-01-15 | 西安交通大学 | Low-temperature hydraulic turbine closed type experimental system and test method |
| CN103558046A (en) * | 2013-11-08 | 2014-02-05 | 上海市特种设备监督检验技术研究院 | Heat exchanger energy efficiency evaluation system |
| CN106441964A (en) * | 2016-09-14 | 2017-02-22 | 中海石油气电集团有限责任公司 | Floating type test platform of natural gas liquefaction system |
Non-Patent Citations (1)
| Title |
|---|
| 陈永东等: "LNG工厂换热技术的研究进展", 《天然气工业》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108888982A (en) * | 2018-06-29 | 2018-11-27 | 合肥通用机械研究院有限公司 | A kind of polymarization method for prodcing polyacrylates gas recovery gear and recovery process |
| CN108888982B (en) * | 2018-06-29 | 2021-03-30 | 合肥通用机械研究院有限公司 | Polypropylene process gas recovery equipment and recovery process |
| CN110501175A (en) * | 2019-08-20 | 2019-11-26 | 国电南瑞科技股份有限公司 | A kind of integrated charge and discharge heat performance testing device of thermal storage equipment |
| CN112763368A (en) * | 2020-12-25 | 2021-05-07 | 浙江大学 | QCM (quaternary ammonium chloride) experimental system capable of adjusting different working conditions and adjusting method thereof |
| CN112763368B (en) * | 2020-12-25 | 2022-03-15 | 浙江大学 | QCM (quaternary ammonium chloride) experimental system capable of adjusting different working conditions and adjusting method thereof |
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|---|---|
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