CN107831299A - A kind of oil sample examines detection to divide sampling device - Google Patents
A kind of oil sample examines detection to divide sampling device Download PDFInfo
- Publication number
- CN107831299A CN107831299A CN201710911097.5A CN201710911097A CN107831299A CN 107831299 A CN107831299 A CN 107831299A CN 201710911097 A CN201710911097 A CN 201710911097A CN 107831299 A CN107831299 A CN 107831299A
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- transverse slat
- guide rod
- liquid storage
- supporting plate
- bucket
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- 238000005070 sampling Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 95
- 239000002893 slag Substances 0.000 claims abstract description 9
- 238000010079 rubber tapping Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 63
- 239000012535 impurity Substances 0.000 description 10
- 238000007599 discharging Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000006748 scratching Methods 0.000 description 3
- 230000002393 scratching effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2823—Raw oil, drilling fluid or polyphasic mixtures
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of oil sample of the present invention examines detection to divide sampling device,It is characterized in that two fixed mounts are connected by transverse slat,Mounting hole is provided with the fixed mount,Bar-shaped trough is provided with the transverse slat,Supporting plate one end is vertically arranged in the middle part of transverse slat,Square groove is provided with the supporting plate,Installing plate is placed on the supporting plate other end,Multiple mounting holes are provided with the installing plate,Riser one end is vertically arranged on transverse slat one end,Guide rod one end is connected with the riser other end,The other end is connected with the supporting plate other end,The guide rod both ends are equipped with spring respectively,The guide rod main body is cylindrical bar-shaped,The outer surface of described pole one end is provided with one section of helicla flute,The helicla flute pitch is four times of pole length,The number of turns is a quarter,The other end of pole is provided with straight trough,And it is connected with one end of helicla flute,Sports platform is placed on guide rod,And coordinate with guide rod thread,Liquid storage box is placed on sports platform,The liquid storage cassette bottom portion is equipped with multiple resistance slag bars.
Description
Technical field
A kind of oil sample of the present invention examines detection to divide sampling device, and when being related to a kind of oil stoste inspection, stoste is carried out
Divide the device of sample, belong to field of chemical equipment.More particularly to one kind carries out a point sample, Ran Houtong by cross runner to oil stoste
Crossing the promotion of oil cylinder makes sample liquid be poured slowly into vessel, and carries out the fixation impurity in sample liquid in the toppling process of speed change
Filter divides sampling device.
Background technology
At present, oil is as organic energy, and being taken as vehicle fuel, to obtain stoste, the raw material etc. of chemical industries a large amount of
Use, oil, it is necessary to be tested to its composition before refinement, because component content is more complicated in oil, is entering mined
It is accurate in order to obtain, it is necessary to be tested using more parts of oil samples to detect different component contents during row components tests
Numerical value is detected, often needs to carry out material repeated detection, needs during detection to prepare more parts of quality volume identical oil former
Liquid, when oil bulk samples carry out point sample, a traditional point sample loading mode is to use people's work point sample, using the measurement such as measuring cup when dividing sample
Container measures certain sample liquid, and sample liquid is poured into holding vessel, carries out measuring for lower a sample liquid, using this kind of mode, labor
Efficiency of movement is relatively low, larger for operating personnel's physical demands in the case of detection limit is larger, is not suitable for high-volume oil stoste
Divide sample operation, simultaneously because viscosity of crude is larger, drain pipe occurs the situation of drop extension, it is necessary to will with vessel after the completion of sampling
The crude oil that drop is hung scratches completely, but can bring the foreign matter on drain pipe outer wall in vessel into when scratching, and influences testing result,
Before progress oil sample liquid detection, it usually needs sample liquid is filtered, removes the impurity such as solid particle therein, generally use
Special filter, filtration treatment is carried out by screen pack, takes more appliance arrangement, and process is more, wastes people
Power resource and material resources, for some existing sampling packaging devices when toppling over sample, the angular speed of upset is consistent, it is easy to so that former
Liquid is spilt, and impurity is brought into vessel, influences the detection of stoste, it is necessary to increase filtering, bothersome laborious.
The content of the invention
In order to improve the above situation, a kind of oil sample of the present invention examines detection to divide sampling device to provide one kind to pass through cross
Runner carries out a point sample to oil stoste, then sample liquid is poured slowly into vessel by the promotion of oil cylinder, and speed change is toppled over
During by what the fixation impurity in sample liquid was filtered divide sampling device.
A kind of oil sample of the present invention examines detection to divide what sampling device was realized in：A kind of oil sample of the present invention is examined
Detection divides sampling device to divide sampling device to form by agent set, material-pouring device and detection, and agent set is by supporting plate, installing plate, leakage
Liquid platform, liquid storage box, guide rod, spring, riser, mounting hole, fixed mount, transverse slat, sports platform and resistance slag bar composition, two fixed mounts
It is connected by transverse slat, mounting hole is provided with the fixed mount, bar-shaped trough is provided with the transverse slat, supporting plate one end is vertically arranged in
In the middle part of transverse slat, square groove is provided with the supporting plate, installing plate is placed on the supporting plate other end, is provided with the installing plate multiple
Mounting hole, riser one end are vertically arranged on transverse slat one end, and guide rod one end is connected with the riser other end, the other end and supporting plate
The other end is connected, and the guide rod both ends are equipped with spring respectively, and the guide rod main body is cylindrical bar-shaped, described pole one end
Outer surface is provided with one section of helicla flute, and the helicla flute pitch is four times of pole length, and the number of turns is a quarter, pole it is another
End is provided with straight trough, and is connected with one end of helicla flute, and sports platform is placed on guide rod, and coordinates with guide rod thread, liquid storage
Box is placed on sports platform, and the liquid storage cassette bottom portion is equipped with multiple resistance slag bars, and leakage platform, power batch turning dress are equipped with the liquid storage box
Put by oil cylinder, push pedal, retainer ring, fixed flap, movable flap, fixed cover, fixed ear, rocking bar, push rod, spacing ring and connecting pole
Composition, push pedal are placed on guide rod, through hole are provided with the push pedal, connecting pole one end is placed on sports platform, and the other end, which is placed in, to be pushed away
In through hole on plate, spacing ring is equipped with the connecting pole other end, the push pedal bottom is equipped with two retainer rings, fixed flap
One end is placed in transverse slat bottom, and movable flap one end and the fixed flap other end are hinged, the other end through the bar-shaped trough on transverse slat and
It is be hinged in the middle part of push rod, shifting chute is provided with the movable flap, described push rod one end is placed between two retainer rings, the push rod
Two projections are equipped with one end, and are respectively placed in two retainer rings, oil cylinder is placed in supporting plate, the piston rod on the oil cylinder
Fixed cover is equipped with one end, projection is equipped with the fixed cover, and is placed in the shifting chute on movable flap, fixed ear is placed in
On the transverse slat other end, rocking bar one end and fixed ear are hinged, and the other end and the push rod other end are hinged, and detection divides sampling device by closure
Plate, cross runner, sealing gasket, addition bucket, motor, compartment and tapping bucket composition, addition bucket are placed on seal cover board, institute
State addition bucket and be built-in with compartment, motor is placed on addition bucket, and motor shaft is placed in compartment through addition bucket, cross
Runner is placed on the motor shaft of motor, and is placed in compartment, is equipped between the cross runner and addition bucket inwall close
Packing, tapping bucket are placed on feed liquor bucket, and are suspended in the surface of liquid storage box initial position, and seal cover board is placed on addition bucket,
It is and corresponding with addition bucket, tapping bucket respectively.
In use, two fixed mounts are fixed on by appropriate location, initial shape by the mounting hole on fixed mount first
State is that liquid storage box is located at immediately below discharge bucket, and oil cylinder is in elongation state, and movable flap is located at distalmost end, then will hold sample liquid
Vessel be placed on transverse slat, and close to riser one end, and the leakage platform on oral area and liquid storage box is corresponding, motor work,
And drive cross runner to rotate, oil stoste is put into addition bucket, in rotation process, oil stoste passes through cross runner
Gap between cross runner enters, and is entered with rotating from tapping bucket in liquid storage box, due to the oil stoste quilt that will be poured into
Cross runner air quantity is split, and then identical into the oil stoste amount of liquid storage box every time, resistance slag bar in liquid discharging box it
Between enter row buffering, gently in injection liquid storage box, cylinder efficient, the piston rod on oil cylinder carries out contractile motion, and drives work
Turn plate enters horizontal deflection in the bar-shaped trough on transverse slat, and using one end as center of circle small angle rotation, the movable flap other end promotes
Push rod translates to retainer ring side, while promotes sports platform to carry out linear slide along guide rod, subsequently on guide rod
Helicla flute is overturn, and when movable flap deflects, the angle between fixed flap first diminishes becomes big afterwards, and therefore, oil cylinder is made
With the power on movable flap, after decomposition, the power acted on push pedal direction is also first to become larger to taper into afterwards, due to
The initial position of liquid storage box is immediately below tapping bucket, in the translational motion incipient stage, because liquid discharging box stress is smaller, therefore it is mobile
Speed is slower, and the crude oil remained on tapping bucket down drips, and remains to enter in liquid storage box, and it is miscellaneous to avoid the outside brought of scratching
Matter, during stage translation is moved, flip-flop movement is carried out also along guide rod, the angular speed of upset also first becomes rear greatly and gradually become
Small, sports platform drives liquid storage box gradually to deflect, and the oil sample liquid in liquid storage box is entered in the vessel on transverse slat by leakage platform, is deposited
In deflection, the solid impurity in liquid storage box is gradually precipitated liquid box, and liquid storage box is deposited in by the resistance slag bar in liquid storage cassette bottom portion
It is interior, prevent from pouring into vessel, influence the inspection of sample liquid, after sample liquid is finished down in liquid box, oil cylinder reverse operation, make liquid storage box reversely inclined
Horizontal level is gone to, after oil cylinder is retracted to bottom, liquid storage box is turned to maximum angle, oil stoste is poured into vessel, then
Oil cylinder stretches out, and is rotated backward by movable flap, drives push rod to withdraw, sports platform is resetted, carries out taking for lower a sample liquid
Collect, you can when oil stoste is examined, a point sample is carried out to stoste, the design of the spring, can be moved to and lead in liquid storage box
During to boom end position, enter row buffering, reduce liquid storage box translational speed, the oil cylinder and movable flap, push rod are with drive liquid storage
The structure design of box movement, can be such that the translational speed of liquid storage box is become larger from small, then from tapering into greatly, prevent oil cylinder direct
When tape splicing moves the movement of liquid storage box, excessive velocities are spilt, while coordinate the straight trough and helicla flute opened up on guide rod so that are deposited
The upset angular speed of liquid box is also first to become larger to taper into afterwards, amount when Edge position control is toppled over, and topples over beginning due to liquid level
Higher to avoid overflowing, it is necessary to slowly topple over, with the decline of liquid level, speed is accelerated, when liquid level drops to certain distance, speed
Reduction avoids impurity from being dumped out, it is ensured that the purity of oil stoste, reaches and carries out a point sample to oil stoste by cross runner, so
Sample liquid is poured slowly into vessel by the promotion of oil cylinder afterwards, and filtered the fixation impurity in sample liquid in toppling process
Purpose.
Beneficial effect.
First, it is simple in construction, it is convenient and practical.
2nd, oil stoste can be improved and divides sample efficiency.
3rd, sample liquid can be filtered during sample is divided.
Brief description of the drawings
Fig. 1 is that a kind of oil sample of the present invention examines the three-dimensional structure diagram for detecting and dividing sampling device.
Fig. 2 is that a kind of oil sample of the present invention examines the three-dimensional structure diagram for detecting and dividing sampling device liquid storage box.
In accompanying drawing
Wherein part is：Oil cylinder（1）, supporting plate（2）, installing plate（3）, seal cover board（4）, cross runner（5）, sealing gasket（6）,
Addition bucket（7）, motor（8）, compartment（9）, tapping bucket（10）, push pedal（11）, leakage platform（12）, liquid storage box（13）, lead
To bar（14）, spring（15）, riser（16）, mounting hole（17）, fixed mount（18）, transverse slat（19）, sports platform（20）, retainer ring
（21）, fixed flap（22）, movable flap（23）, fixed cover（24）, fixed ear（25）, rocking bar（26）, push rod（27）, spacing ring
（28）, connecting pole（29）, hinder slag bar（30）.
Embodiment：
A kind of oil sample of the present invention examines detection to divide sampling device to be achieved in that in use, passing through fixed mount first（18）
On mounting hole（17）By two fixed mounts（18）Appropriate location is fixed on, original state is liquid storage box（13）Positioned at discharging
Immediately below bucket, oil cylinder（1）In elongation state, movable flap（23）Positioned at distalmost end, then the vessel for holding sample liquid are placed on
Transverse slat（19）On, and close to riser（16）One end, and oral area and liquid storage box（13）On leakage platform（12）It is corresponding, motor
（8）Work, and drive cross runner（5）Rotate, oil stoste is put into addition bucket（7）It is interior, cross runner（5）Rotating
Cheng Zhong, oil stoste pass through cross runner（5）Between gap enter, with rotating from tapping bucket（10）Enter liquid storage box
（13）It is interior, because the oil stoste that will be poured into is by cross runner（5）Air quantity is split, and then enters liquid storage box every time（13）'s
Oil stoste amount is identical, the resistance slag bar in liquid discharging box（30）Between enter row buffering, gently injection liquid storage box（13）It is interior, oil cylinder
（1）Work, oil cylinder（1）On piston rod carry out contractile motion, and drive activity flap（23）In transverse slat（19）On bar shaped
Enter horizontal deflection in groove, and using one end as center of circle small angle rotation, movable flap（23）The other end promotes push rod（27）To retainer ring
（21）Side translates, while promotes sports platform（20）Along guide rod（14）Linear slide is carried out, subsequently into guide rod（14）
On helicla flute overturn, when movable flap（23）During deflection, and fixed flap（22）Between angle first diminish and become big afterwards,
Therefore, oil cylinder（1）Act on movable flap（23）On power, after decomposition, act on push pedal（11）Power on direction is also first
Tapered into after becoming larger, due to liquid storage box（13）Initial position in tapping bucket（10）Underface, start in translational motion
In the stage, because liquid discharging box stress is smaller, therefore translational speed is slower, tapping bucket（10）The crude oil of upper residual down drips, and remains to
Into liquid storage box（13）It is interior, the foreign matter for scratching and bringing is avoided, in sports platform（20）During translation, also along guiding
Bar（14）Flip-flop movement is carried out, the angular speed of upset tapers into after also first becoming big, sports platform（20）Drive liquid storage box（13）By
Gradually deflect, liquid storage box（13）Interior oil sample liquid passes through leakage platform（12）Into transverse slat（19）On vessel in, liquid storage box（13）
In deflection, liquid storage box（13）Interior solid impurity gradually precipitates, by liquid storage box（13）The resistance slag bar of bottom（30）Retain
In liquid storage box（13）It is interior, prevent from pouring into vessel, influence the inspection of sample liquid, after sample liquid is finished down in liquid box, oil cylinder（1）Reverse work
Make, make liquid storage box（13）Horizontal level reversely is deflected to, works as oil cylinder（1）After being retracted to bottom, liquid storage box（13）It is turned to maximum angular
Degree, oil stoste is poured into vessel, then oil cylinder（1）Stretch out, pass through movable flap（23）Rotate backward, drive push rod（27）
Withdraw, by sports platform（20）Reset, carry out lower a sample liquid takes collection, you can when oil stoste is examined, stoste is entered
Row divides sample, the spring（15）Design, can be in liquid storage box（13）It is moved to guide rod（14）During end position, delayed
Punching, reduce liquid storage box（13）Translational speed, the oil cylinder（1）With movable flap（23）, push rod（27）With drive liquid storage box（13）
Mobile structure design, liquid storage box can be made（13）Translational speed become larger from small, then from tapering into greatly, prevent oil cylinder
（1）Directly drive liquid storage box（13）When mobile, excessive velocities are spilt, while coordinate guide rod（14）On the straight trough that opens up and
Helicla flute so that liquid storage box（13）Upset angular speed be also first to become larger to taper into afterwards, amount when Edge position control is toppled over,
Beginning is toppled over because liquid level is higher, it is necessary to slowly topple over, avoids overflowing, and with the decline of liquid level, speed is accelerated, when liquid level declines
To certain distance, speed, which reduces, avoids impurity from being dumped out, it is ensured that the purity of oil stoste, reaches by cross runner（5）It is right
Oil stoste carries out a point sample, then passes through oil cylinder（1）Promotion sample liquid is poured slowly into vessel, and by sample in toppling process
The purpose that fixation impurity in liquid is filtered.
Claims (5)
1. a kind of oil sample examines detection to divide sampling device, it is characterized in that：Two fixed mounts are connected by transverse slat, the fixation
Mounting hole is provided with frame, bar-shaped trough is provided with the transverse slat, supporting plate one end is vertically arranged in the middle part of transverse slat, is opened in the supporting plate
There is square groove, installing plate is placed on the supporting plate other end, and multiple mounting holes are provided with the installing plate, and riser one end is vertically arranged in
On transverse slat one end, guide rod one end is connected with the riser other end, and the other end is connected with the supporting plate other end, and sports platform is placed in
On guide rod, and coordinating with guide rod thread, liquid storage box is placed on sports platform, and the liquid storage cassette bottom portion is equipped with multiple resistance slag bars,
Leakage platform is equipped with the liquid storage box, push pedal is placed on guide rod, and through hole is provided with the push pedal, and connecting pole one end is placed in motion
On platform, the other end is placed in the through hole in push pedal, and spacing ring is equipped with the connecting pole other end, and the push pedal bottom is equipped with two
Individual retainer ring, fixed flap one end are placed in transverse slat bottom, and movable flap one end and the fixed flap other end are hinged, and the other end passes through
It is be hinged in the middle part of bar-shaped trough and push rod on transverse slat, shifting chute is provided with the movable flap, described push rod one end is placed in two admittedly
Between determining ring, two projections are equipped with described push rod one end, and are respectively placed in two retainer rings, oil cylinder is placed in supporting plate,
Fixed cover is equipped with piston rod one end on the oil cylinder, projection is equipped with the fixed cover, and the shifting being placed on movable flap
In dynamic groove, fixed ear is placed on the transverse slat other end, and rocking bar one end and fixed ear are hinged, and the other end and the push rod other end are hinged, and are added
Bucket is added to be placed on seal cover board, the addition bucket is built-in with compartment, and motor is placed on addition bucket, and motor shaft is passed through and added
Bucket is added to be placed in compartment, cross runner is placed on the motor shaft of motor, and is placed in compartment, and tapping bucket is placed in feed liquor
On bucket, and the surface of liquid storage box initial position is suspended in, seal cover board is placed on addition bucket, and is struggled against respectively with addition, gone out liquid
Struggle against corresponding.
2. a kind of oil sample according to claim 1 examines detection to divide sampling device, it is characterised in that the guide rod two
End is equipped with spring respectively.
3. a kind of oil sample according to claim 1 or 2 examines detection to divide sampling device, it is characterised in that the guide rod
Main body is cylindrical bar-shaped, and the outer surface of described pole one end is provided with one section of helicla flute.
4. a kind of oil sample according to claim 3 examines detection to divide sampling device, it is characterised in that the helicla flute spiral shell
Away from four times for pole length, the number of turns is a quarter, and the other end of pole is provided with straight trough, and is connected with one end of helicla flute
It is logical.
5. a kind of oil sample according to claim 1 examines detection to divide sampling device, it is characterised in that the cross runner
Sealing gasket is equipped between addition bucket inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710911097.5A CN107831299B (en) | 2017-09-29 | 2017-09-29 | Oil sample inspection detects and divides appearance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710911097.5A CN107831299B (en) | 2017-09-29 | 2017-09-29 | Oil sample inspection detects and divides appearance device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107831299A true CN107831299A (en) | 2018-03-23 |
| CN107831299B CN107831299B (en) | 2021-03-09 |
Family
ID=61647631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710911097.5A Active CN107831299B (en) | 2017-09-29 | 2017-09-29 | Oil sample inspection detects and divides appearance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107831299B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292157A (en) * | 2018-11-01 | 2019-02-01 | 中国科学院合肥物质科学研究院 | A kind of soil sampling after-treatment device |
| CN110609147A (en) * | 2019-01-10 | 2019-12-24 | 深圳迈瑞生物医疗电子股份有限公司 | Analyzer and sample rack conveying mechanism thereof |
| CN112881644A (en) * | 2021-01-13 | 2021-06-01 | 于时茂 | Gas detection device for coal mine |
| CN114563556A (en) * | 2022-03-01 | 2022-05-31 | 罗厚镇 | Oil sample inspection detects branch appearance system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112881644A (en) * | 2021-01-13 | 2021-06-01 | 于时茂 | Gas detection device for coal mine |
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| CN114563556A (en) * | 2022-03-01 | 2022-05-31 | 罗厚镇 | Oil sample inspection detects branch appearance system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107831299B (en) | 2021-03-09 |
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