CN107315027A - A kind of decompression microdistillation system for biomass-based mediation fuel - Google Patents
A kind of decompression microdistillation system for biomass-based mediation fuel Download PDFInfo
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- CN107315027A CN107315027A CN201710738437.9A CN201710738437A CN107315027A CN 107315027 A CN107315027 A CN 107315027A CN 201710738437 A CN201710738437 A CN 201710738437A CN 107315027 A CN107315027 A CN 107315027A
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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
- G01N25/14—Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation
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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
- G01N25/14—Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation
- G01N25/142—Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation by condensation
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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
- G01N25/14—Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation
- G01N25/145—Accessories, e.g. cooling devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
- G01N7/14—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference
- G01N7/16—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference by heating the material
Abstract
The invention belongs to oil product physicochemical property detection field, more particularly to a kind of decompression microdistillation system for biomass-based mediation fuel, the system includes distilling apparatus, vacuum extractor, cooling device and retracting device, distilling apparatus is individually isolated by dividing plate, including cucurbit, cucurbit bottom coordinates with chuck, and the cucurbit bottom of bottle that reclined at the top of chuck is provided with heater, cucurbit is connected by the feed pipe provided with pump with sample bottle, is connected at the top of cucurbit with still head.The present invention is simple in construction, and anti-external interference is strong, biomass-based mediation fuel boiling range data can be rapidly and accurately determined, while obtaining the Vapor pressure data of fuel.
Description
Technical field
The invention belongs to oil product physicochemical property detection field, more particularly to a kind of decompression of biomass-based mediation fuel
Microdistillation system.
Background technology
As global environment weather conditions are continuous worsening, the challenge of facing mankind is more and more severeer, 2016 Nian170Duo Ge states
Family leader signs jointly《Reach an agreement in Paris》, as international law provision, general layout is administered to control the global climate after the year two thousand twenty,
Greenhouse gas emissions are controlled, sustainable development is promoted.
Traditional petroleum fuel, will be primary biomass keynote and fuel in the following long period.Current domestic scholars
The clean fuel of research, mainly there is alcohols, natural gas LNG, liquefied petroleum gas, biomass fuel etc., by new clean fuel with
Conventional petroleum fuels form mediation fuel by a certain percentage, mix burning supply as biomass-based mediation fuel.
To the fuel of liquid under certain precondition heat temperature raising, the process temperature of its initial boiling point of complete documentation to the end point of distillation
Degree, the boiling range of the relation curve, as fuel of recovery volume and vapo(u)rizing temperature at a temperature of being received.Its direct reactive fuel
Volatility, combustibility, be related to cold starting performance, acceleration, peak power, the abrasion of engine etc. important
Physicochemical property parameter.At present, the boiling range Cleaning Principle of oil product is heats by cucurbit, by fluid oil products by steaming
The mode condensed again is sent out, its boiling range curve is obtained.Main standard has U.S. ASTM D86 under normal pressure, and China is translated into GB/
T-6536 is using so far.The oil product that distills and may decompose under the normal pressure of part is directed to afterwards, and using vacuum distillation, standard has the U.S.
ASTM D1160 and the GB/T-9168 of China etc..At present, the subject matter of atmospheric and vacuum distillation method has：（1）Required sample is more, and one
As be 100-200ml, detection time is long, the cleaning about 1h from is preparing to completing；（2）If sample heavy distillat is excessive, viscosity is big, causes
Sticky to rush tower, residue is more, not easy cleaning；（3）Volatile Fuel Petroleum, pre-treatment step is cumbersome, sample temperature, flask temperature
Degree and receiver temperature requirement are high, cause data error larger.
The content of the invention
It is an object of the invention to provide a kind of decompression microdistillation system of biomass-based mediation fuel, structure letter of the present invention
Single, anti-external interference is strong, biomass-based mediation fuel boiling range data can be rapidly and accurately determined, while obtaining the steam of fuel
Press data.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of biomass-based decompression microdistillation system for reconciling fuel, the system includes distilling apparatus, vacuum extractor, cold
But device and retracting device：
Distilling apparatus is individually isolated by dividing plate, including cucurbit, and cucurbit bottom coordinates with chuck, and the steaming that reclined at the top of chuck
Bottle bottom of bottle is evaporated provided with heater, cucurbit is connected by the feed pipe provided with pump with sample bottle, connect at the top of cucurbit with still head
It is logical；
The cooling device is included at the top of the cooling tube being integrally made up of interconnected inclined tube and VERTICAL TUBE, VERTICAL TUBE with taking out true
Empty device connection, bottom and retracting device are connected, and the end of inclined tube is connected after passing through dividing plate with still head, and inclined tube is close to still head
Place is provided with keying valve；
The vacuum extractor includes the vavuum pump being connected by vacuum-pumping tube with VERTICAL TUBE, and is respectively arranged in still head
With first, second vacuum transducer in VERTICAL TUBE；
The retracting device includes being arranged at the recovery tube below VERTICAL TUBE.
It is preferred that, it is provided between the cucurbit and still head in froth breaking net, still head and is provided with steam pressure sensor and temperature
Spend sensor；The cucurbit bottle of froth breaking side off the net is provided with the first infrared thermometer and the first liquid level sensor.
It is preferred that, the feed pipe of the distilling apparatus is provided with flowmeter, and chuck is connected with the motor output shaft outside dividing plate；
Sample bottle side is provided with detergent bottle, and detergent bottle is connected with feed pipe.Connect and divide on the feed pipe of sample bottle and detergent bottle
Not She You corresponding valve, with carry out sample charging and cleaning agent feed independent control.
It is preferred that, the cooling device also includes air cooling mechanism, and air cooling mechanism includes being arranged at the equal of dividing plate two bottom sides
Aerofoil is spread, spreads and air-permeating hole equidistantly is distributed with aerofoil, spreads and air cooler, the air-out of air cooler is provided with below aerofoil
Mouth is connected with first, second airduct respectively, and the first airduct sets towards distilling apparatus and is provided with the first valve, the second airduct direction
Cooling tube sets and is provided with the second valve.
It is preferred that, the cooling device also includes liquid nitrogen cooling body, and liquid nitrogen cooling body includes liquid nitrogen container and setting
In the condenser pipe in cooling tube, condenser pipe one end is located in inclined tube, other end bending is set towards vertical bottom of the tube, condenser pipe two
End is connected with liquid nitrogen container.
It is preferred that, the vertical bottom of the tube of the cooling tube is in condense oblique mouth structure, and inclined tube bottom and VERTICAL TUBE circular arc mistake
Cross connection.
It is preferred that, the vacuum-pumping tube of the vacuum extractor is provided with choke valve and magnetic valve.
It is preferred that, the recovery tube includes being arranged at the standby pipe used on pipe and the second deck on the first deck, i.e.,
The vertical bottom of the tube for docking cooling tube with pipe is set, i.e., with pipe with the second liquid level sensor is equipped with standby pipe and second infrared
Thermometer.
It is preferred that, described the first deck and the second deck is connected with lifting rotation mechanism.
The course of work of the present invention is as follows：
First, dividing plate isolates distilling apparatus with other devices so that temperature of the distilling apparatus by other devices such as cooling device
Degree influence is smaller, it is ensured that distilling apparatus is in the target temperature environment of setting.
Air cooler and the first valve, the second valve on first, second airduct are opened, cooling wind is by spreading aerofoil
Enter dividing plate both sides after flowing so that cooling tube, recovery tube and cucurbit, the temperature of sample bottle are in target set temperature.So
The sample fuel in sample bottle is pumped into cucurbit using feed pipe afterwards, flowmeter metering sample feeding amount, and coordinates the first liquid level
Sensor is detected.After sample introduction to be done（Sample introduction 10ml）, vavuum pump is by vacuum-pumping tube cooperation choke valve and magnetic valve to cooling
Pipe and cucurbit, still head are vacuumized, and monitor cucurbit, still head by the first vacuum transducer, the second vacuum transducer
With the vacuum in cooling tube, then stop vacuumizing., will not due to cooling down bottom of the tube with pipe closed butt joint during being somebody's turn to do
Influence vacuumizes operation, of course for the more preferable sealing effectiveness ensured i.e. with pipe and cooling bottom of the tube joint, can use glue
The closure joint such as band, sealing wax or sealing ring gap.
Close the first valve for opening and closing valve and the first airduct so that cucurbit, still head are in isolation environment, then adjust
The heating power of heater, and coordinate the monitoring of the first infrared thermometer so that the sample temperature in cucurbit is in 37.8 DEG C, leads to
The sample vapors pressure data crossed under vapour pressure sensor record this state, are temporarily referred to as " the first Vapor pressure data "；It is then turned on opening
Valve closing, the heating power for adjusting heater carries out decompression microdistillation heating to the sample in cucurbit（Heating power is directly closed
It is distillation efficiency, this experiment is decompression test, but because vavuum pump can cause retort gas to be pumped, so vavuum pump can not be
Opened in still-process, so needing rationally design distillation time in order to which guarantee test environment is in decompression state so that distillation
It is time-consuming to shorten as far as possible, it is 6 ~ 8min, vacuum pump less when the power of heater is adjusted to distillation time by applicant's repetition test
The environmental pressure of continuous operation meets the requirement of decompression test）, the first infrared thermometer, the first liquid level sensor record cucurbit
The temperature and vapour pressure number of the temperature and volume of interior liquid sample, steam pressure sensor and temperature sensor to gaseous sample
According to being recorded, while conveying liquid nitrogen to condenser pipe interior circulation by liquid nitrogen container：
The gas that sample distillation is produced enters cooling tube by froth breaking net, and retort gas is in cooling tube in flow process, simultaneously
The cold front heavy rain conveyed by the liquid nitrogen cooling in condenser pipe and the second airduct, retort gas fully, is promptly condensed, and condensation is solidifying
The liquid of knot falls into the vertical bottom of the tube of cooling tube, falls into i.e. with pipe, i.e., is passed with the second liquid level on pipe by condensing oblique mouth
Sensor and the metering of the second infrared thermometer are i.e. with the volume and temperature that reclaim sample of pipe.
When reaching that the liquid sample distillation in 95% or cucurbit is finished with the recovery sample volume accounting in pipe at once,
Experiment is completed；Examination is represented if temperature sensor occurs being greatly lowered more than the measurement data of 400 DEG C or steam pressure sensor
Operation failure is tested, stops heating, off-test.
After success of the test, under decompression microdistillation heated condition, temperature sensor and steam pressure sensor are continuously measured
Data and " the first Vapor pressure data " carry out coupling amendment, produce accurately sample vapour pressure data and boiling range data.
After off-test, stop heater work, open the first valve of the first airduct, using air-cooled cooling cucurbit,
When the temperature of the first infrared thermometer is down to below 60 DEG C, the first valve is closed.Simultaneously lifting rotation mechanism will drive first,
Transposition after second deck declines, then drives first, second deck to rise so that standby pipe docks the bottom of cooling tube.
Second liquid level sensor and the second infrared thermometer can be directly set on standby pipe, naturally it is also possible to entered in standby pipe and used
Before, it is filled to being moved with the second liquid level sensor on pipe and the second infrared thermometer on the body of standby pipe.
The lifting rotation mechanism can for electric cylinder drive the second motor composition, specially the take-off lever of electric cylinder with
Second motor connection, the output shaft of the second motor is connected with first, second deck respectively by U-shaped frame.
Cucurbit is separated with still head, while the cleaning agent in detergent bottle is pumped into cucurbit by feed pipe, completed
After charging, heater, motor drives chuck and cucurbit to rotate, and rotary heating cleaning is carried out to cucurbit.
The present invention compared with prior art, has the following advantages that：
1）The present invention isolates the mutual shadow of distilling apparatus and cooling device, retracting device, reduction heat pair and heat radiation by dividing plate
Ring, improve the data accuracy of decompression microdistillation；
2）Cool down sample bottle, cucurbit and recovery tube respectively by air cooler, stored without packet independent to sample before detection,
Sampling, simplifies sample pre-treatments step, improves the accuracy of volatile sample detection；And the present invention only needs to the sample to 10ml
Product carry out microdistillation experiment, and the overall process time shortens to 20min by the 1h of prior art, improves test efficiency, reduces sample
Product consumption；
3）Froth breaking net is set between cucurbit and still head, heavy distillat, the biomass-based mediation fuel sample of viscosity greatly is reduced and rises
Bubble takes sample out of, causes to rush tower phenomenon to influence the accuracy of data；
4）Using liquid nitrogen as cooling agent, liquid nitrogen cooling and outdoor air cooling two ways by condenser pipe cool down rapidly sample
Retort gas, reduces the volume of cooling tube, and cooling tube top and air contact so that the sample distillation gas in cooling tube
Body is uniformly cooled down, it is ensured that the condensation of sample retort gas is abundant.While the curved structure in inclined tube bottom of cooling tube, vertical bottom of the tube
In the oblique mouth structure of condensation, it can be ensured that condensate liquid is imported in recovery tube completely；
5）Cleaning agent is contained using detergent bottle（Such as acetone）, cucurbit can be cleaned after decompression microdistillation,
Reduce later stage artificial cleaning strength.
Brief description of the drawings
Fig. 1 is the structural representation for depressurizing microdistillation system in embodiment for biomass-based mediation fuel
Figure.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in figure 1, a kind of decompression microdistillation system for biomass-based mediation fuel, the system includes distillation
Device, vacuum extractor, cooling device and retracting device：
Distilling apparatus is individually isolated by dividing plate 8, including cucurbit 11 and the still head 9 at the top of connection cucurbit 11, distillation
Froth breaking net 12 is provided between bottle 11 and still head 9, the bottom of cucurbit 11 coordinates with chuck 13, chuck 13 and the output shaft of motor 15
Connection, and the top of chuck 13 reclines cucurbit bottom of bottle provided with heater 14；Cucurbit 11 is distinguished by the feed pipe 24 provided with pump
Connected with sample bottle 21 and detergent bottle 22, body of the feed pipe 24 at cucurbit 11 is provided with flowmeter 23, still head 9
It is interior to be provided with steam pressure sensor 16 and temperature sensor 17；The cucurbit bottle of the lower section of froth breaking net 12 is provided with the first infrared temperature
The liquid level sensor 19 of meter 18 and first；
What the cooling device was integrally constituted including air cooling mechanism, liquid nitrogen cooling body and by interconnected inclined tube and VERTICAL TUBE
It is connected at the top of cooling tube 51, VERTICAL TUBE with vacuum extractor, bottom and retracting device are connected, the end of inclined tube is passed through after dividing plate 8
Connected with still head 9, inclined tube is provided with valve 52 is opened and closed at still head, and the vertical bottom of the tube of cooling tube 51 is condensed in winding arc
The oblique structure of mouth 53, and inclined tube bottom is connected with VERTICAL TUBE arc transition；
What air cooling mechanism included being arranged at the two bottom sides of dividing plate 8 spreads aerofoil 7, spreads and is equidistantly distributed with aerofoil 7
Air holes, spreads the lower section of aerofoil 7 and is provided with air cooler 43, the air outlet of air cooler 43 is connected with first, second airduct respectively, and first
Airduct sets towards distilling apparatus and is provided with the first valve 44, and the second airduct sets towards cooling tube and is provided with the second valve 45,
Motor 15, which is located at, spreads the lower section of aerofoil 7.
Liquid nitrogen cooling body includes liquid nitrogen container 41 and the condenser pipe 42 being arranged in cooling tube 51, the one end of condenser pipe 42 position
In in inclined tube, other end bending set towards vertical bottom of the tube, condenser pipe two ends are connected with liquid nitrogen container 41.
The vacuum extractor includes the vavuum pump 31 being connected by vacuum-pumping tube with VERTICAL TUBE, and is respectively arranged at steaming
The first vacuum transducer 34 in first 9 and the second vacuum transducer 35 in VERTICAL TUBE are evaporated, vacuum-pumping tube is provided with throttling
Valve 33 and magnetic valve 32.
The retracting device includes being arranged at the recovery tube below VERTICAL TUBE, and recovery tube includes being arranged on the first deck 63
I.e. with the standby pipe 62 on the deck 64 of pipe 61 and second, i.e., the vertical bottom of the tube for docking cooling tube with pipe 61 is set, i.e., with pipe
61 are provided with the second liquid level sensor 65 and the second infrared thermometer 66.First deck 63 and the second deck 64 and elevating and rotating machine
Structure is connected.
The course of work of the present invention is as follows：
First, dividing plate 8 isolates distilling apparatus with other devices so that temperature of the distilling apparatus by other devices such as cooling device
Degree influence is smaller, it is ensured that distilling apparatus is in the target temperature environment of setting.
The first valve 44, the second valve 45 on the airduct of air cooler 43 and first, second are opened, cooling wind is by spreading
Enter the both sides of dividing plate 8 after the stream of aerofoil 7 so that the temperature of cooling tube 51, recovery tube and cucurbit 11 is respectively at target and set
Constant temperature degree.Then the sample fuel in sample bottle 21 is pumped into cucurbit 11 using feed pipe 24, the metering sample feeding of flowmeter 23
Amount, and coordinate the first liquid level sensor 19 to detect.After sample introduction to be done（Sample introduction 10ml）, vavuum pump 31 coordinated by vacuum-pumping tube
Choke valve 33 and magnetic valve 32 are vacuumized to cooling tube 51 and cucurbit 11, still head 9, and by the first vacuum transducer 34,
Vacuum in second vacuum transducer 35 monitoring cucurbit 11, still head 9 and cooling tube 51, then stops vacuumizing.
Close the first valve 44 for opening and closing the airduct of valve 52 and first so that cucurbit 11, still head 9 are in isolation environment,
Then the heating power of heater 14 is adjusted, and coordinates the first infrared thermometer 18 to monitor so that the sample temperature in cucurbit 11
Degree is in 37.8 DEG C（37.8 DEG C be saturated vapour pressure in national standard measurement temperature, the saturation of the fuel equivalent to coupling measurement
Vapour pressure, standard No. SH/T 0794-2007）, the sample vapors pressure data under this state are recorded by steam pressure sensor 16,
Temporarily it is referred to as " the first Vapor pressure data "；It is then turned on opening and closing valve 52, adjusts the heating power of heater 14（Ensure that distillation time exists
6 ~ 8min is advisable）Decompression microdistillation heating, the first infrared thermometer 18, the first liquid level sensing are carried out to the sample in cucurbit
The temperature and volume of liquid sample in the record cucurbit 11 of device 19, steam pressure sensor 16 and temperature sensor 17 are to gaseous state
The temperature and Vapor pressure data of sample are recorded, while conveying liquid nitrogen to the interior circulation of condenser pipe 42 by liquid nitrogen container 41：
The gas that sample distillation is produced enters cooling tube 51, retort gas flow process in cooling tube 51 by froth breaking net 12
In, while the cold front heavy rain conveyed by the liquid nitrogen cooling in condenser pipe 42 and the second airduct, retort gas is abundant, promptly cold
Solidifying, the liquid that condensation condenses falls into the vertical bottom of the tube of cooling tube 51, is fallen into by condensing oblique mouth 53 i.e. with pipe 61, i.e., with pipe
The second liquid level sensor 65 and the metering of the second infrared thermometer 66 on 61 are i.e. with the volume and temperature that reclaim sample of pipe.
Reach that the liquid sample distillation in 95% or cucurbit 11 is finished with the recovery sample volume accounting in pipe 61 at once
When, experiment is completed；If temperature sensor 17 occurs being greatly lowered more than the measurement data of 400 DEG C or steam pressure sensor 16
Test operation failure is represented, stops heating, off-test.
After success of the test, under decompression microdistillation heated condition, temperature sensor 17 and steam pressure sensor 16 are continuous
The data of measurement carry out coupling amendment with " the first Vapor pressure data ", produce accurately sample vapour pressure data and boiling range number
According to.
After off-test, stop heater 14 and work, open the first valve 44 of the first airduct, distilled using air-cooled cooling
Bottle 11, vacuumizes to cooling tube 51 and cucurbit 11 while opening vavuum pump 31, treats that the temperature of the first infrared thermometer 18 is down to
At less than 60 DEG C, vavuum pump is closed.Lifting rotation mechanism will drive transposition after the decline of first, second deck simultaneously, then
First, second deck is driven to rise so that standby pipe 62 docks the bottom of cooling tube 53, and by the second liquid level sensor 65 and the
Two infrared thermometers 66 are connected with standby pipe 62（Second liquid level sensor 65 and the also can be directly set on standby pipe 62
Two infrared thermometers 66）.The second motor composition that the lifting rotation mechanism can drive for electric cylinder, specially electric cylinder
Take-off lever and the second motor connection, the output shaft of the second motor are connected with first, second deck respectively by U-shaped frame.
Cucurbit 11 is separated with still head 9, while the cleaning agent in detergent bottle 22 is pumped into cucurbit by feed pipe 24
In 11, complete after charging, heater 14, motor 15 drives chuck 13 and cucurbit 11 to rotate, and cucurbit 11 is revolved
Turn heated wash.
Claims (9)
1. a kind of decompression microdistillation system for biomass-based mediation fuel, it is characterised in that the system includes distillation
Device, vacuum extractor, cooling device and retracting device：
Distilling apparatus realizes independent isolation, including cucurbit by dividing plate, and cucurbit bottom coordinates with chuck, and is pasted at the top of chuck
Heater is provided with by cucurbit bottom of bottle, cucurbit is connected by the feed pipe provided with pump with sample bottle, with distillation at the top of cucurbit
Head connection；
The cooling device is included at the top of the cooling tube being integrally made up of interconnected inclined tube and VERTICAL TUBE, VERTICAL TUBE with taking out true
Empty device connection, bottom and retracting device are connected, and the end of inclined tube is connected after passing through dividing plate with still head, and inclined tube is close to still head
Place is provided with keying valve；
The vacuum extractor includes the vavuum pump being connected by vacuum-pumping tube with VERTICAL TUBE, and is respectively arranged in still head
With first, second vacuum transducer in VERTICAL TUBE；
The retracting device includes being arranged at the recovery tube below VERTICAL TUBE.
2. it is used for the decompression microdistillation system of biomass-based mediation fuel as claimed in claim 1, it is characterised in that the steaming
Evaporate to be provided with froth breaking net, still head between bottle and still head and be provided with steam pressure sensor and temperature sensor；Froth breaking side's off the net
Cucurbit bottle is provided with the first infrared thermometer and the first liquid level sensor.
3. it is used for the decompression microdistillation system of biomass-based mediation fuel as claimed in claim 1, it is characterised in that the steaming
The feed pipe of distillation unit is provided with flowmeter, and chuck is connected with the motor output shaft outside dividing plate；Sample bottle side is provided with cleaning agent
Bottle, detergent bottle is connected with feed pipe.
4. it is used for the decompression microdistillation system of biomass-based mediation fuel as claimed in claim 1, it is characterised in that described cold
But device also includes air cooling mechanism, and what air cooling mechanism included being arranged at dividing plate two bottom sides spreads aerofoil, spreads on aerofoil
Equidistantly distributed has air-permeating hole, spreads and air cooler is provided with below aerofoil, the air outlet of air cooler respectively with first, second airduct
Connection, the first airduct sets towards distilling apparatus and is provided with the first valve, and the second airduct sets towards cooling tube and is provided with second
Valve.
5. it is used for the decompression microdistillation system of biomass-based mediation fuel as claimed in claim 1, it is characterised in that described cold
But device also includes liquid nitrogen cooling body, and liquid nitrogen cooling body includes liquid nitrogen container and the condenser pipe being arranged in cooling tube, cold
Solidifying pipe one end is located in inclined tube, other end bending is set towards vertical bottom of the tube, and condenser pipe two ends are connected with liquid nitrogen container.
6. it is used for the decompression microdistillation system of biomass-based mediation fuel as claimed in claim 1, it is characterised in that described
The vertical bottom of the tube of cooling tube condenses oblique mouth structure in winding arc, and inclined tube bottom is connected with VERTICAL TUBE arc transition.
7. it is used for the decompression microdistillation system of biomass-based mediation fuel as claimed in claim 1, it is characterised in that described
The vacuum-pumping tube of vacuum extractor is provided with choke valve and magnetic valve.
8. it is used for the decompression microdistillation system of biomass-based mediation fuel as claimed in claim 1, it is characterised in that described
Recovery tube includes being arranged at the standby pipe used on pipe and the second deck on the first deck, i.e., dock the vertical of cooling tube with pipe
Bottom of the tube is set, i.e., be equipped with the second liquid level sensor and the second infrared thermometer with pipe and standby pipe.
9. it is used for the decompression microdistillation system of biomass-based mediation fuel as claimed in claim 8, it is characterised in that described
The first deck and the second deck be connected with lifting rotation mechanism.
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| CN110702840A (en) * | 2019-10-14 | 2020-01-17 | 刘芳 | Analysis device based on energy utilization rate of carbonized urban domestic sewage biomass |
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| CN117693389A (en) * | 2021-07-13 | 2024-03-12 | 石油分析仪有限合伙公司 | System and method for determining distillation characteristics of petroleum samples by partial distillation |
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| CN110702840B (en) * | 2019-10-14 | 2022-06-07 | 河北地质大学华信学院 | Analysis device based on energy utilization rate of carbonized urban domestic sewage biomass |
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