CN111257049A - Sampling device and sampling method for heterogeneous system - Google Patents
Sampling device and sampling method for heterogeneous system Download PDFInfo
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- CN111257049A CN111257049A CN202010092471.5A CN202010092471A CN111257049A CN 111257049 A CN111257049 A CN 111257049A CN 202010092471 A CN202010092471 A CN 202010092471A CN 111257049 A CN111257049 A CN 111257049A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/14—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by using rotary bodies, e.g. vane
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
Abstract
The invention discloses a sampling device and a sampling method of a heterogeneous system. The sampling device comprises a sampling cylinder; a sample inlet and a limiter are arranged at the sample inlet end of the sampling cylinder and are arranged at the same horizontal position; the sampling end of the sampling cylinder is matched with a sealing assembly, and the sealing assembly comprises a top rod, a return spring and a sealing valve which are sequentially connected; the sealing valve is in sealing fit with the sampling cylinder, and the ejector rod extends out of the sampling cylinder; the outer surface of the sealing valve is provided with a groove that can cooperate with a stop to prevent movement of the sealing valve. The heterogeneous system obtained by the sampling device has representativeness, can completely represent the quality of liquid in the liquid storage tank, and avoids the problem that the detection value has larger error due to the difference of the mixing ratio of 2 liquids, which is caused by the fact that the liquids are respectively obtained from the upper outlet and the lower outlet in the traditional sampling process. The sampling device has the advantages of simple manufacturing process, low cost, simple operation in the sampling process, time and labor saving and more accurate detection result.
Description
Technical Field
The invention relates to a sampling device and a sampling method of a heterogeneous system, and belongs to the technical field of oilfield chemistry.
Background
Reservoir heterogeneity is the basic characteristic of oil reservoirs, and the inheritability makes it difficult for conventional water flooding technical means to efficiently draw a large amount of residual oil after water flooding, no matter between layers, in layers or on a microscopic scale. The heterogeneous system has the characteristics of stronger deformability, narrower particle distribution range and the like, has the plugging characteristic of large plugging without small plugging and the motion characteristic of trapping-deforming-transferring-re-trapping-re-deforming-re-transferring … … after entering a porous medium, can slow down the section return process, realizes the purposes of deep liquid flow steering and wave and volume expansion, and is used for carrying out a pilot test in a mine field in an offshore oil field. However, in the process of detecting the product quality of a heterogeneous system, because the layering phenomenon is easy to occur in the liquid storage tank, and the larger the particle size is, the more obvious the layering phenomenon is, the great difficulty is caused to the sampling and detecting work and the like. In the traditional method, liquid is respectively taken from an upper outlet and a lower outlet of a liquid storage tank, but the detection values of key indexes such as the content of separable core effective solid matters, the density, the viscosity, the main size distribution range of particle sizes, the expansion multiple, the expansion time and the like of a heterogeneous system are large in error due to the difference of the mixing proportion of 2 liquids. Therefore, it is desirable to provide a sampling method and apparatus for heterogeneous system.
Disclosure of Invention
The invention aims to provide a sampling device and a sampling method for a heterogeneous system, which can provide important guarantee for product quality detection in the mine field test process and solve the problems of accurate sampling and quality detection of the heterogeneous system.
The sampling device of the heterogeneous system provided by the invention comprises a sampling cylinder;
a sample inlet and a limiter are arranged at the sample inlet end of the sampling cylinder, and the sample inlet and the limiter are arranged at the same horizontal position;
the sampling end of the sampling cylinder is matched with a sealing assembly, and the sealing assembly comprises a top rod, a return spring and a sealing valve which are sequentially connected;
the sealing valve is in sealing fit with the sampling cylinder, and the ejector rod extends out of the sampling cylinder.
The outer surface of the sealing valve is provided with a groove which can cooperate with the stopper to prevent the sealing valve from moving.
Among the foretell sampling device, the sampler barrel includes 2 ~ 3 sections barrels, through threaded connection, portable and use between the barrel.
Considering the influence of the capillary force and avoiding the waste caused by excessive sampling, the inner diameter of the sampling cylinder is preferably 10-35 mm.
The sum of the lengths of the sampling cylinder and the return spring is larger than the height of the liquid storage tank.
In the above sampling device, the sampling cylinder is made of polymethyl methacrylate (PMMA, also called as acrylic or organic glass).
In the above sampling device, the stopper may be a spring ball, and when the stopper is overlapped with the groove, the spring is opened to push the ball to move into the groove to block the sealing valve and prevent the sealing valve from moving.
In the above sampling device, the groove may be an annular groove or through holes with the same number as the stoppers.
In the above sampling device, the sampling cylinder is provided with 2 symmetrical stoppers; 2-3 sampling ports can be arranged.
When the sampling device is adopted for sampling, the sampling can be carried out according to the following steps:
clamping the upper end of the sealing valve in the sampling device to the stopper; opening an inlet of a liquid storage tank of the heterogeneous system, inserting the sampling device into the liquid storage tank along the vertical direction until the bottom of the tank, and enabling the heterogeneous system to flow into the sampling cylinder from the sample inlet in the process; when the ejector rod touches the bottom of the tank, the return spring contracts to push the sealing valve to move upwards; when the annular groove of the sealing valve is matched with the position of the limiting stopper, the limiting stopper is bounced open and extends into the annular groove to clamp the sealing valve, so that the sealing valve is prevented from being continuously moved, meanwhile, the sealing valve can block the sample inlet, liquid in the sampling cylinder cannot leak, and sampling is finished.
The sampling device is controlled to move towards the liquid storage tank slowly and uniformly.
After sampling is finished, closing the upper end of the sampling cylinder, and slowly and uniformly lifting the sampling cylinder upwards in the vertical direction, so as to ensure that liquid in the sampling cylinder does not leak in the process; after the sampling tube leaves the liquid storage tank, the upper end of the sampling tube is opened, and the liquid in the sampling tube is placed in a beaker (a peristaltic pump can be connected at an inlet (or an outlet) when necessary, so that no residual liquid is left in the sampling tube).
The heterogeneous system obtained by the sampling device has representativeness and can completely represent the quality of liquid in the liquid storage tank. The liquid is respectively taken from the upper outlet and the lower outlet in the traditional sampling process, and the difference of the mixing proportion of 2 liquids causes the error of the detection value to be larger. According to the heterogeneous system product quality detection indexes and the heterogeneous system product quality detection method, the taken liquid is detected, key indexes such as the content of separable core effective solid matters, density, viscosity, the main particle size distribution range of particle sizes, expansion times, expansion time and the like are obtained, whether the batch of products are qualified products is judged, and therefore important guarantee is provided for developing a heterogeneous oil displacement system mine test.
Compared with the prior art, the invention has the following advantages:
1. the sample obtained by the method can accurately reflect the quality of the liquid in the tank, and the sampler is slowly and uniformly inserted into the liquid storage tank in the vertical direction until the bottom of the tank in the sampling process, so that the liquid in the upper layer, the middle layer and the lower layer in the tank can be uniformly taken. The problem that manual operation errors such as detection value distortion and the like caused by different mixing proportions of 2 liquids taken out from an upper outlet and a lower outlet in the traditional sampling process are avoided, so that the taken liquid is more representative, and key indexes such as the content of separable core effective solids, the density, the viscosity, the main size distribution range of particle size, the expansion multiple, the expansion time and the like of the liquid in the tank can be accurately obtained.
2. The sampling device has the advantages of simple manufacturing process, low cost, simple operation in the sampling process, time and labor saving and more accurate detection result.
Drawings
FIG. 1 is a cross-sectional view of a sampling device for a heterogeneous system.
FIG. 2 is a drawing of the external components of the sample introduction end of the heterogeneous system sampling device.
FIG. 3 is a perspective view of the sample inlet end of a sampling device for heterogeneous systems.
FIG. 4 is a photomicrograph of the initial state of the heterogeneous system A.
FIG. 5 is a micrograph of the initial state of the heterogeneous system B.
FIG. 6 shows the results of the initial particle size distribution test of the heterogeneous system A.
FIG. 7 shows the results of the initial particle size distribution test in heterogeneous system B.
FIG. 8 is a graph of swelling times of 48h versus time for heterogeneous A.
FIG. 9 is a graph of swelling time versus swelling time for 48h for heterogeneous system B.
FIG. 10 is a graph of 30d expansion versus time for heterogeneous A.
FIG. 11 is a plot of expansion times for 30d versus time for heterogeneous system B.
The respective symbols in the figure are as follows:
1 sample inlet cylinder, 2 sample inlet, 3 position limiter, 4 top rod, 5 reset spring, 6 sealing valve, 7 round hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to the following embodiments.
Fig. 1 is a cross-sectional view of a sampling device of the heterogeneous system provided by the invention, which comprises a sampling cylinder 1, wherein the sampling cylinder is formed by connecting 2 sections of cylinders through bolts, and the material of the sampling cylinder is polymethyl methacrylate (PMMA). The sampling end of the sampling tube 1 is provided with 2 symmetrical sampling ports 2 and 2 symmetrical stoppers 3, the stoppers 3 are spring-loaded beads, and the sampling ports 2 and the stoppers 3 are arranged at the same horizontal position, as shown in fig. 2 and 3.
The sampling end of the sampling tube 1 is matched with a sealing assembly, the sealing assembly comprises a top rod 4, a return spring 5 and a sealing valve 6 which are sequentially connected, the sealing valve 6 is in sealing fit with the sampling tube 1, and the top rod 4 extends out of the sampling tube 1. Wherein the outer surface of the sealing valve 6 has 2 symmetrical round holes 7, the round holes 7 can cooperate with the stopper 3 to prevent the sealing valve 6 from moving (when the stopper 3 is in coincidence with the round holes 7, the spring is opened to push the top ball to move into the round hole 7 to clamp the sealing valve 6).
When the sampling device is adopted for sampling, the sampling can be carried out according to the following steps:
clamping the upper end of the sealing valve 6 on the limiter 3; opening an inlet of a liquid storage tank of the heterogeneous system, slowly inserting a sampling device into the liquid storage tank at a constant speed along the vertical direction until the bottom of the liquid storage tank, and enabling the heterogeneous system to flow into a sampling cylinder 1 from a sample inlet 2 in the process; when the mandril 4 touches the bottom of the tank, the return spring 5 contracts to push the sealing valve 6 to move upwards; when the round hole 7 of the sealing valve 6 is matched with the position of the stopper 3, the stopper 3 is bounced open and extends into the round hole 7 to clamp the sealing valve 6, so that the sealing valve 6 is prevented from moving continuously, meanwhile, the sealing valve 6 can block the sample inlet 2, liquid in the sampling tube 1 cannot leak, and sampling is finished.
After sampling is finished, closing the upper end of the sampling cylinder 1, and slowly and uniformly lifting the sampling cylinder 1 upwards in the vertical direction, so as to ensure that liquid in the sampling cylinder 1 does not leak in the process; after the sampling tube 1 leaves the liquid storage tank, the upper end of the sampling tube 1 is opened, and the liquid in the sampling tube 1 is placed in a beaker (a peristaltic pump can be connected at an inlet (or an outlet) when necessary, so that no residual liquid is left in the sampling tube).
The following specifically describes the sampling effect of the sampling device of the present invention:
firstly, detecting a sample
The heterogeneous system and the liquid storage tank are provided by the institute of Mediterranean oil, Limited liability company and mainly comprise two medicaments: the heterogeneous system A and the heterogeneous system B are both flexible microgel particle products. The water quality analysis of the simulated water prepared from the experimental water according to the mineralization degree of the S oil field is shown in Table 1.
TABLE 1 Water quality analysis
Second, sampling
(1) When taking a downward sample
1) Opening an upper outlet of the heterogeneous system liquid storage tank, slowly and uniformly inserting the sampling device into the liquid storage tank downwards in the vertical direction until the bottom of the liquid storage tank, and enabling the heterogeneous system to flow into the sampling cylinder 1 from the sample inlet 2 in the process;
2) when the top rod 4 at the sample introduction end touches the bottom of the tank, the return spring 5 contracts and can push the sealing valve 6 to move upwards. Once the position of the sealing valve 6 is matched with that of the stopper 3, the stopper 3 is immediately contracted and the sealing valve 6 is clamped to prevent the sealing valve 6 from continuously moving upwards or downwards, and meanwhile, the sealing valve 6 can block the sample inlet 2, so that the sample inlet end is completely closed, and the liquid in the sampling tube 1 cannot leak out.
(2) While pulling up for sampling
1) The upper end of the sampling cylinder is closed, and the sampling device is slowly and uniformly lifted upwards in the vertical direction, so that the liquid in the sampling cylinder 1 is ensured not to leak in the process.
2) After the sampling device leaves the liquid storage tank, the upper end of the sampling tube 1 is opened, the liquid in the sampling tube 1 is placed in the beaker, and meanwhile, no residual liquid is left in the sampling tube 1.
(3) Heterogeneous system product quality detection
The heterogeneous system obtained by the method has representativeness and can completely represent the quality of liquid in the liquid storage tank. And detecting the product according to a product quality detection index and a product quality detection method to obtain key indexes of the content, the density, the viscosity, the main size distribution range of particle size, the expansion multiple, the expansion time and the like of the separable core effective solid matter, and judging whether the batch of products are qualified products.
Product quality detection result of heterogeneous system
1. Appearance of the product
The heterogeneous system A is a homogeneous white or brownish yellow liquid on a macroscopic scale; heterogeneous system B is macroscopically a homogeneous white or brownish yellow particle suspension.
Fig. 4 to 5 are respective micrographs of the initial state of the heterogeneous system A, B. As can be seen from the figure: the heterogeneous system is spherical in appearance, good in sphericity and uniform in distribution in the solvent. Compared with the heterogeneous system A, the heterogeneous system B has larger particle size. The heterogeneous system is a spherical elastic polymer colloid which is formed by the cross-linking of a monomer free radical with a certain chain length and formed by the monomer under the initiation of a peroxide initiator, and the free radical and a cross-linking agent are subjected to cross-linking reaction to enable polymer chains to be continuously cross-linked and wound together, and finally, the intramolecular cross-linking is carried out, and the spherical elastic polymer colloid has a three-dimensional space network structure.
2. Can separate the effective solid content of the core
Calculating the effective solid content of the heterogeneous system according to the formula (1):
in the formula: c-separable solids content,%;
m-drying the sample product and weighing the mass of the bottle, g;
m0-mass of empty weighing bottle, g;
Δ m-mass of the product of the dropwise addition sample, g.
The content of the separable core effective solid matters of the heterogeneous system A and the heterogeneous system B is more than or equal to 25 percent according to the formula (1), and the detection index requirements are met.
3. Density of
The measurement was carried out by a 4.3.3 densitometer method in GB/T4472-2011, and the measurement temperature was 25 ℃.
The density of the heterogeneous system A and the density of the heterogeneous system B are both 0.95-1.15 g/cm3And the requirement of detection indexes is met.
4. Viscosity of the oil
Viscosity measurements were performed in standard Q/HS2032-2012, using a Brookfield viscometer, spindle 0, 6rpm, 25 ℃ three times, and the arithmetic mean was taken as the final result.
The viscosity of the heterogeneous system A and the viscosity of the heterogeneous system B are both more than or equal to 80mPa · s, and the detection index requirements are met.
5. Particle size primary size distribution range
And detecting the initial particle size distribution of the heterogeneous systems A and B by adopting a German Microtrac S-3500 type laser particle sizer.
Table 2-Table 3 and FIGS. 6-7 show the initial particle size distribution test results of the heterogeneous system A, B, the median particle size d of the heterogeneous system A501.427 μm, the particle size distribution range is between 0.5 μm and 50 μm; median particle diameter d of heterogeneous system B50The particle size distribution range of the particles is between 1 and 500 mu m, and the particles all meet the requirement of detection indexes.
TABLE 2 initial particle size distribution test results for heterogeneous System A
TABLE 3 test results of initial particle size distribution of heterogeneous System B
6. Expansion factor
A certain amount of heterogeneous system products are pumped and mixed with the S oil field simulated water to prepare heterogeneous system solution (the concentration is 3000mg/L), the heterogeneous system solution is uniformly mixed and stirred for 10min at a constant speed by a Waring stirrer, the heterogeneous system solution is placed in an oven, and the temperature of the oven is adjusted to 65 ℃.
Taking out a small amount of samples after a certain time interval, testing the apparent size of the particles by using a laser particle sizer, and calculating the expansion times according to a formula (2):
in the formula: n-expansion factor;
D50(initial) -initial particle size of the heterogeneous system, μm;
D50(expansion) -particle size, μm, after water swelling of heterogeneous systems.
And (5) according to the calculation result of the expansion multiple of the heterogeneous system, drawing a curve of the relation between the expansion multiple and time. FIGS. 8-9 are plots of expansion times versus time for 48h for A, B heterogeneous systems, respectively; fig. 10-11 are plots of expansion times versus time for 30d expansion of the heterogeneous system A, B, respectively.
As can be seen, the 2 heterogeneous particles increased in size with increasing expansion time. Compared with a heterogeneous system B, the heterogeneous system A has a large expansion multiple which is larger than 2 times, and the requirements of detection indexes are met.
7. Time of expansion
As can be seen from fig. 8 to 11, the heterogeneous system has good water-swelling property, and the swelling speed is fast in the initial stage of contact with water, and then the swelling speed is slow, and finally the system tends to be balanced. The heterogeneous system A, B is fully expanded within 7 days, the particle size of the particles reaches the maximum and is kept stable, and the requirement of detection indexes is met.
In conclusion, the quality detection results (including the content of the separable core effective solid matter, the density, the viscosity, the main size distribution range of particle size, the expansion multiple and the expansion time) of the heterogeneous system products obtained by the sampling device all meet the detection index requirements, so that the batch of products are judged to be qualified products and can be used for carrying out the mine test of the heterogeneous oil displacement system.
8. Sampling effect
Compared with the traditional sampling method, the invention can uniformly take the liquid in the liquid storage tank by uniformly controlling the sampling device to move in the liquid storage tank, thereby completely representing the quality of the liquid in the liquid storage tank. The key indexes of the content, the density, the viscosity, the main size distribution range of the particle size, the expansion multiple, the expansion time and the like of the separable core effective solid matter are calculated, and the result is more accurate. And further judging whether the batch of products are qualified products according to the quality detection indexes and the method of the heterogeneous system products, thereby providing important guarantee for carrying out the test of the heterogeneous oil displacement system mine field.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, improvements, equivalents and the like that fall within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A sampling device of a heterogeneous system comprises a sampling cylinder;
a sample inlet and a limiter are arranged at the sample inlet end of the sampling cylinder, and the sample inlet and the limiter are arranged at the same horizontal position;
the sampling end of the sampling cylinder is matched with a sealing assembly, and the sealing assembly comprises a top rod, a return spring and a sealing valve which are sequentially connected;
the sealing valve is in sealing fit with the sampling cylinder, and the ejector rod extends out of the sampling cylinder.
The outer surface of the sealing valve is provided with a groove which can cooperate with the stopper to prevent the sealing valve from moving.
2. The sampling device of claim 1, wherein: the sampling tube comprises 2-3 sections of tube bodies, and the tube bodies are connected through threads.
3. A sampling device according to claim 1 or 2, wherein: the sampling tube is made of polymethyl methacrylate.
4. A sampling device according to any one of claims 1 to 3, wherein: the limiter is a spring top bead.
5. A sampling device according to any one of claims 1 to 4, wherein: the groove is an annular groove or through holes, and the number of the through holes is equal to that of the limiting devices.
6. A sampling device according to any one of claims 1 to 5, wherein: the sampling tube is provided with 2 symmetrical limiters.
7. A method of sampling a heterogeneous system comprising the steps of:
clamping the upper end of the sealing valve in the sampling device of any one of claims 1 to 6 to the stopper; opening an inlet of a liquid storage tank of the heterogeneous system, inserting the sampling device into the liquid storage tank along the vertical direction until the bottom of the tank, and enabling the heterogeneous system to flow into the sampling cylinder from the sample inlet in the process; when the ejector rod touches the bottom of the tank, the return spring contracts to push the sealing valve to move upwards; when the groove of the sealing valve is matched with the position of the limiting stopper, the limiting stopper is bounced to be opened and extends into the groove to clamp the sealing valve, so that the sample inlet is sealed, and sampling is completed.
8. The sampling method according to claim 7, wherein: and controlling the sampling device to move towards the liquid storage tank at a constant speed.
9. Use of a sampling device according to any one of claims 1 to 6 for sampling of heterogeneous systems.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078675A (en) * | 2007-06-12 | 2007-11-28 | 合肥新月电子技术有限责任公司 | Specimen sampling equipment |
| CN202057520U (en) * | 2011-05-20 | 2011-11-30 | 付慧丽 | Liquid sampler |
| CN102384862A (en) * | 2011-08-18 | 2012-03-21 | 厦门卓越生物质能源有限公司 | Barreled fluid oil sampling device |
| CN103512779A (en) * | 2013-07-17 | 2014-01-15 | 多氟多化工股份有限公司 | Sampler and sampling tube thereof |
| CN104747809A (en) * | 2015-04-22 | 2015-07-01 | 国家电网公司 | Flue gas sampling sealing device |
| CN105388039A (en) * | 2015-10-29 | 2016-03-09 | 昆明理工大学 | Sampler |
| CN205155239U (en) * | 2015-12-07 | 2016-04-13 | 温州市索特医药化工工程有限公司 | Sampling valve |
| CN205262778U (en) * | 2015-12-18 | 2016-05-25 | 杭州欣阳三友精细化工有限公司 | Sampling tube |
| CN206235481U (en) * | 2016-11-14 | 2017-06-09 | 中国石油化工股份有限公司 | Liquid quantitative samples anti-overflow valve |
| CN206348178U (en) * | 2017-01-12 | 2017-07-21 | 上格环境科技（上海）有限公司 | A kind of groundwater sampling device of lightweight nonaqueous phase liquid contaminated site |
| CN108254226A (en) * | 2018-03-23 | 2018-07-06 | 亚洲硅业（青海）有限公司 | A kind of pollution-free closed sampler |
| CN207741970U (en) * | 2018-01-05 | 2018-08-17 | 南通金利油脂工业有限公司 | Non- even phase liquid sampler |
-
2020
- 2020-02-14 CN CN202010092471.5A patent/CN111257049B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078675A (en) * | 2007-06-12 | 2007-11-28 | 合肥新月电子技术有限责任公司 | Specimen sampling equipment |
| CN202057520U (en) * | 2011-05-20 | 2011-11-30 | 付慧丽 | Liquid sampler |
| CN102384862A (en) * | 2011-08-18 | 2012-03-21 | 厦门卓越生物质能源有限公司 | Barreled fluid oil sampling device |
| CN103512779A (en) * | 2013-07-17 | 2014-01-15 | 多氟多化工股份有限公司 | Sampler and sampling tube thereof |
| CN104747809A (en) * | 2015-04-22 | 2015-07-01 | 国家电网公司 | Flue gas sampling sealing device |
| CN105388039A (en) * | 2015-10-29 | 2016-03-09 | 昆明理工大学 | Sampler |
| CN205155239U (en) * | 2015-12-07 | 2016-04-13 | 温州市索特医药化工工程有限公司 | Sampling valve |
| CN205262778U (en) * | 2015-12-18 | 2016-05-25 | 杭州欣阳三友精细化工有限公司 | Sampling tube |
| CN206235481U (en) * | 2016-11-14 | 2017-06-09 | 中国石油化工股份有限公司 | Liquid quantitative samples anti-overflow valve |
| CN206348178U (en) * | 2017-01-12 | 2017-07-21 | 上格环境科技（上海）有限公司 | A kind of groundwater sampling device of lightweight nonaqueous phase liquid contaminated site |
| CN207741970U (en) * | 2018-01-05 | 2018-08-17 | 南通金利油脂工业有限公司 | Non- even phase liquid sampler |
| CN108254226A (en) * | 2018-03-23 | 2018-07-06 | 亚洲硅业（青海）有限公司 | A kind of pollution-free closed sampler |
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| CN111257049B (en) | 2022-05-03 |
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