CN110455852A - A kind of video camera automatic distillation analyzer - Google Patents
A kind of video camera automatic distillation analyzer Download PDFInfo
- Publication number
- CN110455852A CN110455852A CN201910755073.4A CN201910755073A CN110455852A CN 110455852 A CN110455852 A CN 110455852A CN 201910755073 A CN201910755073 A CN 201910755073A CN 110455852 A CN110455852 A CN 110455852A
- Authority
- CN
- China
- Prior art keywords
- distillation
- video camera
- tracking
- temperature
- planker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004821 distillation Methods 0.000 title claims abstract description 79
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 10
- 239000003507 refrigerant Substances 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical group [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052753 mercury Inorganic materials 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000006467 substitution reaction Methods 0.000 abstract description 3
- 206010057040 Temperature intolerance Diseases 0.000 abstract description 2
- 230000008543 heat sensitivity Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of video camera automatic distillation analyzers, including bottom plate, shell, electric furnace heating component, the cold and hot bath component of distillation, graduated cylinder volume tracking component and temperature measurement component；The temperature measurement component includes the second tracking planker, the thermometer for measuring vapo(u)rizing temperature and the video camera for reading temperature count value, and on the shell, the video camera is mounted on the second tracking planker for the second tracking planker installation.The video camera automatic distillation analyzer uses utensil of the thermometer substitution temperature sensor as automatic temperature measurement, image recognition technology is used simultaneously, temperature count value is carried out with high-definition camera to acquire in real time, thermometer mercury position can be automatically tracked and read mercurial thermometer reading automatically, it is easy to operate intuitive, when eliminating dynamic temperature measurement between temperature sensor and mercurial thermometer because physical characteristic it is inconsistent caused by non-thread sex differernce and heat sensitivity difference.
Description
Technical field
The present invention relates to a kind of determination of distillation device, specifically a kind of video camera automatic distillation analyzer.
Background technique
As long as having manual test and automatic test for the determination of distillation of oil product at present, manual test is in test bar
Under part, observes the temperature of the corresponding glass-stem thermometer of each physical examination point and record.It needs to adjust at any time in distillation process
Furnace power guarantees defined distilling rate.Also often there is error in reading during the test in user, causes result overproof,
Therefore, large labor intensity more demanding to operator.Automatic test is under test conditions, to be detected and distilled using temperature sensor
Temperature, the volume point of every setting, automatically records vapo(u)rizing temperature.
Since the physical characteristic of temperature sensor and mercurial thermometer is inconsistent, there are non-thread sex differernce and heat sensitivities
There is error during continuous warming in difference, leads to automatic test result just the having differences property between manual test result.
Summary of the invention
The purpose of the present invention is to provide a kind of video camera automatic distillation analyzers, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of video camera automatic distillation analyzer, including bottom plate, shell, electric furnace heating component, the cold and hot bath component of distillation, amount
Cylinder product tracking component and temperature measurement component；The temperature measurement component includes the second tracking planker, the temperature for measuring vapo(u)rizing temperature
Meter and the video camera for reading temperature count value, on the shell, the video camera is mounted on for the second tracking planker installation
On second tracking planker.
As a further solution of the present invention: the electric furnace heating component includes furnace transformer, distilling flask, distillation cascade
Upper end and low-pressure distillation electric aircraft, the furnace transformer are mounted on bottom plate, and the low-pressure distillation electric aircraft is mounted on electric furnace
Transformer upper right side, the distilling flask are mounted on low-pressure distillation electric aircraft, and the branch pipe of the distilling flask is inserted into distillation cascade
Upper end.
As a further solution of the present invention: fire extinguishing system fire defector biography is additionally provided with above the low-pressure distillation electric aircraft
Sensor.
As a further solution of the present invention: the cold and hot bath component of distillation includes compressor, refrigerant system condenser, steaming
Evaporate pipe, electrical assembly case and power switch；The compressor is mounted on bottom plate, the refrigerant system condenser and compressor phase
Even, the electrical assembly case is mounted on the interlayer above compressor, and the cold and hot bath of distillation is equipped on the left of the electrical assembly case,
The distillation cascade is mounted in the cold and hot bath of distillation；The power switch is mounted on shell front side.
As a further solution of the present invention: the graduated cylinder volume tracking component includes graduated cylinder, initial boiling point detection plate, liquid level
Detection plate and the first liquid-level tracking planker, the graduated cylinder are placed on bottom plate vertically, and the first liquid-level tracking planker is mounted on
On the left of graduated cylinder, the level sensing plate is installed on the first liquid-level tracking planker.
As a further solution of the present invention: the thermostat for controlling graduated cylinder temperature is additionally provided on the right side of the graduated cylinder.
As a further solution of the present invention: the cold and hot bath of distillation is bathed using the Metal constant temperature without circulation fluid.
As a further solution of the present invention: the LED illumination lamp with uniform light board is equipped in front of the camera lens of the video camera.
Compared with prior art, the beneficial effects of the present invention are:
The video camera automatic distillation analyzer uses utensil of the thermometer substitution temperature sensor as automatic temperature measurement, simultaneously
Using image recognition technology, temperature count value is carried out with high-definition camera and is acquired in real time, it is strong to ambient light by software algorithm
The influence of weak variation carries out intelligent background intensity amplification, guarantees that ambient light variation does not have an impact identification, can automatically track
Thermometer mercury position, automatic identification graduation of thermometer read mercurial thermometer reading in real time, easy to operate intuitive, eliminate
When dynamic temperature measurement between temperature sensor and mercurial thermometer because physical characteristic it is inconsistent caused by non-thread sex differernce and sense
Warm sensitivity difference.
Detailed description of the invention
Fig. 1 is the front view of video camera automatic distillation analyzer；
Fig. 2 is the side view of video camera automatic distillation analyzer；
Fig. 3 is the rearview of video camera automatic distillation analyzer.
In figure: 1- graduated cylinder, 2- level sensing plate, 3- initial boiling point detection plate, 4- distillation cascade, the first liquid-level tracking of 5- planker,
The cold and hot bath of 6- distillation, 7- electrically assemble case, 8- thermostat, 9- compressor, the second liquid-level tracking of 10- planker, 11- thermometer, 12-
Video camera, 13- power switch, 14- distilling flask, 15- distillation cascade upper end, 16- low-pressure distillation electric aircraft, 17- furnace transformer,
18- refrigerant system condenser, 19- fire extinguishing system flame detection sensor, 20- bottom plate, 21 shells.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
Please refer to Fig. 1-3, a kind of video camera automatic distillation analyzer, including bottom plate 20, shell 21, electric furnace heating component,
Distill cold and hot bath component, graduated cylinder volume tracking component and temperature measurement component；The temperature tracks the concrete form of component with no restrictions,
In the present embodiment, it is preferred that the temperature measurement component includes the second tracking planker 10,11 and of thermometer for measuring vapo(u)rizing temperature
For reading the video camera 12 of 11 numerical value of thermometer, the second tracking planker 10 is mounted on shell 21, the video camera 12
It is mounted on the second tracking planker 10, the video camera 12 can simulate the operation of human eye, directly read the temperature on thermometer 11
Degree value thoroughly avoids error in reading caused by due to the difference of other physical characteristics, guarantees the vapo(u)rizing temperature detected
Accuracy；
The electric furnace heating component makes it be become oil vapour by thermal evaporation for heat oil sample；
The cold and hot bath component of distillation makes its liquefaction for cooling down oil vapour；
The graduated cylinder volume tracking component is used to measure the volume of liquefied petroleum；
The concrete form of the electric furnace heating component with no restrictions, in the present embodiment, it is preferred that the electric furnace heating component
Including furnace transformer 17, distilling flask 14 and low-pressure distillation electric aircraft 16, the furnace transformer 17 is installed on the base plate 20,
The low-pressure distillation electric aircraft 16 is mounted on 17 upper right side of furnace transformer, and the distilling flask 14 is mounted on low-pressure distillation electric furnace
On frame 16, the branch pipe of the distilling flask 14 is inserted into distillation cascade upper end 15；
It is additionally provided with fire extinguishing system flame detection sensor 19 above the low-pressure distillation electric aircraft 16, for detecting flame,
Promote security performance；
It is described to distill the cold and hot concrete form for bathing component with no restrictions, in the present embodiment, it is preferred that the cold and hot bath of distillation
Component includes compressor 9, refrigerant system condenser 18, distillation cascade 4, electrical assembly case 7 and power switch 13；The compressor 9
On the base plate 20, the refrigerant system condenser 18 is connected with compressor 9, and the electrical assembly case 7 is mounted on compressor 9 for installation
On the interlayer of top, the cold and hot bath 6 of distillation is installed on the left of the electrical assembly case 7, the distillation cascade 4 is mounted on the cold and hot bath of distillation
In 6；The power switch 13 is mounted on 21 front side of shell；
The graduated cylinder volume tracks the concrete form of component with no restrictions, in the present embodiment, it is preferred that the graduated cylinder volume
Tracking component includes graduated cylinder 1, initial boiling point detection plate 3, level sensing plate 2 and the first liquid-level tracking planker 5, and the graduated cylinder 1 is vertical
It places on the base plate 20, the first liquid-level tracking planker 5 is mounted on the left side of graduated cylinder 1, and the level sensing plate 2 is installed in the
On one liquid-level tracking planker 5；
It is additionally provided with thermostat 8 on the right side of the graduated cylinder 1, for controlling the temperature of graduated cylinder 1；
Furnace silk in the low-pressure distillation electric aircraft 16 is import furnace silk, and thermal inertia is small, and heating adjusts sensitive；
The graduated cylinder 1 and distilling flask 14 are all made of special glass graduated cylinder and special glass flask, ensure that the survey of graduated cylinder
Accuracy of measurement, troublesome in poeration caused by reducing because of the difference between different flasks and measurement error；
The cold and hot bath 6 of distillation is bathed using the Metal constant temperature without circulation fluid, and warming and cooling rate is fast, and temperature is uniform, failure
Few, the service life is long.
In front of the camera lens of the video camera 12, positioned at the left side of mercurial thermometer 11, it is additionally provided with the LED illumination with uniform light board
It is more acurrate to read registration to keep the shooting light of video camera 12 more sufficient for lamp.
The network operation feature that it networking unified operation that the video camera automatic distillation analyzer, which also has computer, is uniformly controlled,
The lims network system that may be incorporated into laboratory, facilitates transimiison analysis data.
The working principle of the present embodiment is:
Distillation sample to be tested distilling flask 14 is packed into according to standard first to carry out under the rated condition for being suitble to its property
Distillation, computer set the electric furnace heating on specified power control low-pressure distillation electric aircraft 16 according to sample, pass through video camera 12
The mercury for tracking thermometer 11 directly reads the steam temperature value of the instruction of thermometer 11.After detecting that initial boiling point comes out, liquid
The laser sensor of detection liquid level in the detection plate 2 of position starts to track liquid level, according to the return information of laser sensor, computer
Distillation speed is calculated, fine tuning heating power is allowed to meet specified heating speed.Screen shows the distillation every fixed volume
Temperature and distillation time show in addition it can be converted into volume curve figure or time plot.When vapo(u)rizing temperature reaches end
When the requirement of mode, electric furnace stops heating, continues to test liquid level and no longer changes until by standard liquid level, when warm in distilling flask 14
Pop-up window requires input residual volume when degree is lower than user's set temperature, can remove distilling flask 14 at this time and measure raffinate body
Product obtains test result after inputting residual quantity and prints.
Embodiment 2
A kind of video camera automatic distillation analyzer as described in Example 1 is provided in the present embodiment does quadrat method, specifically
Steps are as follows:
The video camera automatic distillation analyzer is powered on, turns on the power switch 13, then open computer by the first step, will
Automatic distillation program is opened；
Second step, double click " enter setting ", and it is to be used that drop down button selection institute is clicked at " thermometer selection "
Thermometer number, clicks drop down button at " oil sample selection " and selects the oil sample title to be done, then clicks " confirmation " and exits；
Host controls the temperature for carrying out condenser pipe temperature and graduated cylinder room by selected oil sample parameter setting at this time；
Third step installs sample by standard, flag bit temperature value is arranged, 14 branch pipe of distilling flask is put in condenser pipe, temperature
The camera lens of 11 reading face video camera 12 of degree meter, then " start-up operation " button is clicked, username and password is inputted, is joined into work
Number setting screen；
4th step chooses sample type, thermometer and graduated cylinder number, input sample number and current atmospheric pressure, by " really
There is working environment parameter setting dialog box in key calmly ", clicks " confirmation " key after checking each parameter, starts to do sample test.Electric furnace is opened
Begin to heat, work timing column starts timing, and red line starts to track mercury, and automatically records temperature；
5th step, computer screen show every 10% volume and initial boiling point, 5%, 95% and the end point of distillation vapo(u)rizing temperature and
Distillation time shows in addition it can be converted into volume curve figure or time plot.Screen shows the steaming every the set time
Temperature and distillation time are evaporated, is shown in addition it can be converted into volume curve figure or time plot.When vapo(u)rizing temperature reaches knot
When the requirement of beam mode, electric furnace stops heating, continues to test liquid level and no longer changes until by standard liquid level, when in distilling flask 14
Pop-up window requires input residual volume when temperature is lower than user's set temperature, can remove distilling flask 14 at this time and measure raffinate
Volume obtains test result after inputting residual quantity and prints.
The video camera automatic distillation analyzer uses utensil of the thermometer substitution temperature sensor as automatic temperature measurement, simultaneously
Using image recognition technology, temperature count value is carried out with high-definition camera and is acquired in real time, it is strong to ambient light by software algorithm
The influence of weak variation carries out intelligent background intensity amplification, guarantees that ambient light variation does not have an impact identification, can automatically track
Thermometer mercury position, automatic identification graduation of thermometer read mercurial thermometer reading in real time, easy to operate intuitive；It eliminates
When dynamic temperature measurement between temperature sensor and mercurial thermometer because physical characteristic it is inconsistent caused by non-thread sex differernce and sense
Warm sensitivity difference.It is controlled simultaneously using computer, real-time display distills overall process parameter；With perfect network operation feature,
Can be networked unified operation by computer, be uniformly controlled, and be may be incorporated into the lims network system in laboratory, facilitated transimiison analysis data.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (8)
1. a kind of video camera automatic distillation analyzer, including bottom plate (20), shell (21), electric furnace heating component, the cold and hot bath of distillation
Component, graduated cylinder volume tracking component and temperature measurement component；It is characterized in that, the temperature measurement component include second tracking planker (10),
Video camera (12) for measuring the thermometer (11) of vapo(u)rizing temperature and for reading thermometer (11) numerical value, second tracking
Planker (10) is mounted on shell (21), and the video camera (12) is mounted on the second tracking planker (10).
2. video camera automatic distillation analyzer according to claim 1, which is characterized in that the electric furnace heating component includes
Furnace transformer (17), distilling flask (14), distillation cascade upper end (15) and low-pressure distillation electric aircraft (16), the furnace transformer
(17) it is mounted on bottom plate (20), the low-pressure distillation electric aircraft (16) is mounted on furnace transformer (17) upper right side, the steaming
It evaporates flask (14) to be mounted on low-pressure distillation electric aircraft (16), be arranged on distillation cascade outside distilling flask (14) the side branch
It holds (15).
3. video camera automatic distillation analyzer according to claim 2, which is characterized in that the low-pressure distillation electric aircraft
(16) top is additionally provided with fire extinguishing system flame detection sensor (19).
4. video camera automatic distillation analyzer according to claim 1 or 2, which is characterized in that the cold and hot bath group of distillation
Part includes compressor (9), refrigerant system condenser (18), distillation cascade (4), electrically assembles case (7) and power switch (13)；It is described
Compressor (9) is mounted on bottom plate (20), and the refrigerant system condenser (18) is connected with compressor (9), the electrical assembly
Case (7) is mounted on the interlayer above compressor (9), and the cold and hot bath (6) of distillation, institute are equipped on the left of the electrical assembly case (7)
Distillation cascade (4) is stated to be mounted in the cold and hot bath (6) of distillation；The power switch (13) is mounted on front side of shell (21).
5. video camera automatic distillation analyzer according to claim 1 or 2, which is characterized in that the graduated cylinder volume tracking
Component includes graduated cylinder (1), initial boiling point detection plate (3), level sensing plate (2) and the first liquid-level tracking planker (5), the graduated cylinder
(1) it is placed in vertically on bottom plate (20), the first liquid-level tracking planker (5) is mounted on the left of graduated cylinder (1), the level sensing
Plate (2) is installed on the first liquid-level tracking planker (5).
6. video camera automatic distillation analyzer according to claim 5, which is characterized in that also set on the right side of the graduated cylinder (1)
There is the thermostat (8) for control amount cylinder (1) temperature.
7. video camera automatic distillation analyzer according to claim 4, which is characterized in that the cold and hot bath (6) of distillation is adopted
It is bathed with the Metal constant temperature without circulation fluid.
8. video camera automatic distillation analyzer according to claim 1, which is characterized in that the camera lens of the video camera (12)
Front is equipped with the LED illumination lamp with uniform light board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910755073.4A CN110455852A (en) | 2019-08-15 | 2019-08-15 | A kind of video camera automatic distillation analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910755073.4A CN110455852A (en) | 2019-08-15 | 2019-08-15 | A kind of video camera automatic distillation analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110455852A true CN110455852A (en) | 2019-11-15 |
Family
ID=68486862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910755073.4A Pending CN110455852A (en) | 2019-08-15 | 2019-08-15 | A kind of video camera automatic distillation analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110455852A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129319A (en) * | 1994-10-05 | 1996-08-21 | 顺德珠江传感器厂 | Method for reading and processing data measured for petroleum product distillation |
| US20180036648A1 (en) * | 2016-08-03 | 2018-02-08 | Instrumentation Scientifique de Laboratoire - I.S. L. | System and Method for Auto Distilling Liquids at Strictly Defined Conditions Regardless of Composition |
| CN107843613A (en) * | 2017-11-22 | 2018-03-27 | 郑泽宇 | Vision-based detection automatic distillation range analyzer |
| CN210442286U (en) * | 2019-08-15 | 2020-05-01 | 深圳市湘津石仪器有限公司 | Automatic distillation tester for camera |
-
2019
- 2019-08-15 CN CN201910755073.4A patent/CN110455852A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129319A (en) * | 1994-10-05 | 1996-08-21 | 顺德珠江传感器厂 | Method for reading and processing data measured for petroleum product distillation |
| US20180036648A1 (en) * | 2016-08-03 | 2018-02-08 | Instrumentation Scientifique de Laboratoire - I.S. L. | System and Method for Auto Distilling Liquids at Strictly Defined Conditions Regardless of Composition |
| CN107843613A (en) * | 2017-11-22 | 2018-03-27 | 郑泽宇 | Vision-based detection automatic distillation range analyzer |
| CN210442286U (en) * | 2019-08-15 | 2020-05-01 | 深圳市湘津石仪器有限公司 | Automatic distillation tester for camera |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4176982B2 (en) | Method for determining the distillation characteristics of liquid petroleum products by high-speed microdistillation and apparatus for carrying out this method | |
| US4528635A (en) | Automatic distillation apparatus | |
| CN107907222B (en) | A kind of thermal infrared imaging electric power facility fault locator and detection method | |
| CN111811661A (en) | Temperature compensation temperature measurement method and temperature compensation temperature measurement device | |
| CN108827294A (en) | The temperature-compensation method of inertial navigation system | |
| CN101422825A (en) | Method for detecting micro drill-bit wear degree, method using the said method and drilling device | |
| CN108758712A (en) | Anti-dry kitchen range and its control method | |
| CN110455852A (en) | A kind of video camera automatic distillation analyzer | |
| US7820015B2 (en) | Device for recording the boiling curve of liquids | |
| CN210442286U (en) | Automatic distillation tester for camera | |
| CN106404824A (en) | Solid spontaneous ignition point tester | |
| CN108195813A (en) | A kind of palm oil method for detecting purity | |
| TWI669502B (en) | Apparatus of heat pipe quality detection by using infrared thermal imager and method thereof | |
| CN110018270A (en) | Test battery | |
| CN107390122A (en) | A kind of computer auto-detection system of thermal protector temperature parameter | |
| JP6849718B2 (en) | Automatic distillation test equipment | |
| CN102393395B (en) | Method and system for detecting copper grade in copper processing process | |
| CN103063610A (en) | Dual-camera based chilled-mirror dew-point instrument and image processing method thereof | |
| CN108613756B (en) | A kind of method of temperature classes test mass control | |
| CN218350160U (en) | Automatic analyzer for boiling point and boiling range of organic reagent | |
| US20230100425A1 (en) | Atmospheric distillation apparatus and method | |
| JP2008286543A (en) | Automatic distillation tester | |
| CN218567289U (en) | Small element ignition test device | |
| CN210513998U (en) | Food moisture fast tester | |
| CN218350163U (en) | Crude oil organic chlorine automatic distillation tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |