CN111795843A - Powdery sample online sampling device based on gas scattering - Google Patents
Powdery sample online sampling device based on gas scattering Download PDFInfo
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- CN111795843A CN111795843A CN202010564917.XA CN202010564917A CN111795843A CN 111795843 A CN111795843 A CN 111795843A CN 202010564917 A CN202010564917 A CN 202010564917A CN 111795843 A CN111795843 A CN 111795843A
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- 238000005070 sampling Methods 0.000 title claims abstract description 48
- 239000007789 gas Substances 0.000 claims abstract description 69
- 239000000843 powder Substances 0.000 claims abstract description 47
- 239000012159 carrier gas Substances 0.000 claims abstract description 27
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 230000008676 import Effects 0.000 claims abstract description 3
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 239000000428 dust Substances 0.000 claims description 4
- 239000000443 aerosol Substances 0.000 abstract description 16
- 239000004568 cement Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 6
- 239000000806 elastomer Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0095—Preparation of aerosols
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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
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
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- Immunology (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Dispersion Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a powdery sample online sampling device based on gas scattering, which comprises: a blanking pipe; the spiral sampler is fixedly connected with the blanking pipeline and is used for taking powder from the blanking pipeline; the negative pressure box is provided with a recovery port and is communicated with the blanking pipeline through the recovery port; break up the jar, set up and be in the negative pressure tank, break up the jar and include cover, jar body and tank bottoms, the tank bottoms with jar body separation sets up, the cover with negative pressure tank fixed connection, set up powder entry, a plurality of first entry of gas, carrier gas import and carrier gas export of breaking up on the cover, spiral sampler's export with powder entry intercommunication, break up the jar and be used for forming the aerosol with powdered sample, obtain the sample of homogeneity uniformity nature. The powdery sample sampling device can accurately quantify the powdery sample and stably sample.
Description
Technical Field
The invention belongs to the technical field of online sampling equipment for powdery samples, and particularly relates to an online sampling device for powdery samples based on gas scattering.
Background
In the cement production process, in order to control the product quality, the components of the cement raw meal powder need to be detected on line. The first step of the on-line detection link is to sample the raw cement powder on line and process the raw cement powder to meet the sampling conditions of the detection instrument. Meanwhile, the sampling process cannot affect the production.
The composition of the cement raw meal determines that the detection of the sample can only be carried out by feeding a solid sample, but is difficult to adopt other modes. The method is used for detecting the components of the cement raw materials on line, and the primary problem to be solved is to sample the cement raw material powder on line.
One of the current commonly used online powder sampling modes is sampling by a spiral sampler, and the sampling device has a simple structure and is convenient to use; but due to the structural limitation and the influence of the actual blanking state of the production line, the sampling cannot be accurately quantified and stably carried out. In addition, a negative pressure sampling mode is convenient and direct, the number of intermediate links is small, but the sampling mode is directly related to the state of a production line, and the sampling mode cannot guarantee uniformity and stability. These disadvantages are unacceptable in applications requiring precise detection, such as cement component detection.
Disclosure of Invention
The invention provides an online sampling device for a powdery sample based on gas scattering, which can accurately quantify the powdery sample and stably sample.
In order to solve the problems, the technical scheme of the invention is as follows:
an online sampling device of powdery sample based on gas is broken up includes:
a blanking pipe;
the spiral sampler is fixedly connected with the blanking pipeline and is used for taking powder from the blanking pipeline;
the negative pressure box is provided with a recovery port and is communicated with the blanking pipeline through the recovery port;
break up the jar, set up and be in the negative pressure tank, break up the jar and include cover, jar body and tank bottoms, the tank bottoms with jar body separation sets up, the cover with negative pressure tank fixed connection, set up powder entry, a plurality of first entry of gas, carrier gas import and carrier gas export of breaking up on the cover, spiral sampler's export with powder entry intercommunication, break up the jar and be used for forming the aerosol with powdered sample, obtain the sample of homogeneity uniformity nature.
Preferably, the online sampling device further comprises a plunger mechanism and a driving part, the plunger mechanism is arranged in the scattering tank, one end of the plunger mechanism is fixedly connected with the tank bottom, the other end of the plunger mechanism extends into the powder inlet, and the plunger mechanism can move in the scattering tank in the vertical direction so as to open and close the powder inlet and open or close the scattering tank;
the driving part is arranged in the negative pressure box and is used for driving the plunger mechanism to move in the vertical direction;
when the plunger mechanism is in an upward movement state, the powder inlet and the scattering tank are closed; when the plunger mechanism is in a downward movement state, the scattering tank is opened, the powder inlet is closed, or the scattering tank and the powder inlet are opened, and the plunger mechanism is arranged to realize staged sampling.
Specifically, the plunger mechanism includes: the plunger comprises a plunger head, a plunger body and an elastic body, wherein the elastic body is arranged in the plunger body, the bottom end of the elastic body is fixed on the plunger body, the bottom end of the plunger head is arranged in the plunger body, the other end of the plunger head penetrates out of the plunger body, is movably connected with the plunger body and extends into the powder inlet, and the bottom end of the plunger body is fixedly connected with the tank bottom and is fixedly connected with the output shaft of the driving part. When the tank bottom and the tank body are in a sealed state, the elastic body is in a compressed state, the powder inlet is also in a closed state, the driving part drives the plunger body to move downwards, the tank bottom also moves downwards, the scattering tank is in an open state at the moment, the elastic body is firstly converted into a free state from the compressed state, then the plunger body continues to move downwards, the plunger head moves downwards due to gravity, and the powder inlet is opened.
In a preferred embodiment, the carrier gas inlet is connected with a flowmeter, the carrier gas is used for taking out the powdery sample forming the aerosol out of the scattering tank, the common carrier gas outlet is connected with the analyzer, the powdery sample is taken into the analyzer for analysis, the flowmeter is connected with the carrier gas inlet, further accurate sampling is realized, and different sample injection flow rates can be adjusted by changing the size of the carrier gas according to different samples or use occasions, so that the detection equipment with different flow requirements is adapted.
In a preferred embodiment, a three-way pipe is arranged between the spiral sampler and the scattering tank, two connector ends of the three-way pipe are respectively communicated with the spiral sampler and the scattering tank, the other connector end is communicated with the blanking pipeline, the connector ends are further provided with an air amplifier, and the air amplifier is used for: when the powder inlet is in a closed state, a sample obtained by the spiral sampler can be blocked in the inlet pipeline, and the sample obtained by the spiral sampler can be swept into the blanking pipeline after the air amplifier is arranged, so that the blockage of the sample in the blanking pipeline is avoided.
In a preferred embodiment, the negative pressure box is provided with a negative pressure gas inlet, the negative pressure gas inlet is arranged above the bottom of the tank or parallel to the bottom of the tank, and the negative pressure inlet arranged above the bottom of the tank or parallel to the bottom of the tank can sweep redundant samples in the scattering tank back into the blanking pipeline.
In a preferred embodiment, the tank cover is provided with a first dispersing cavity communicated with the first dispersing gas inlet, the lower surface of the tank cover is provided with a plurality of dispersing gas extension pipes which extend to the middle lower part in the tank, the dispersing gas extension pipes are communicated with the first dispersing cavity, the first dispersing cavity is arranged to uniformly fill the dispersing gas into the dispersing tank, the gas is flushed into the dispersing tank from the dispersing gas extension pipes, and the dispersing gas is flushed out from the bottom of the dispersing gas extension pipes and forms aerosol with a sample on the bottom of the tank.
Further, a flange is arranged on the periphery of the bottom of the tank body, a plurality of second scattering gas inlets are formed in the flange, a second scattering gas cavity is formed in the flange, a plurality of scattering gas outlets are formed in the inner wall of the tank body, and a second scattering gas cavity is formed in the bottom of the tank body so that scattering gas and a sample form aerosol.
In a preferred embodiment, a dust cover is arranged outside the driving part to prevent the sample from falling on the driving part.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
according to the online sampling device, the powdery sample in the blanking pipeline enters the scattering tank through the spiral sampler, then scattering gas is introduced into the scattering tank, the scattering gas meets the sample to form aerosol, so that the sample is uniformly scattered and can be sampled in real time, and stable carrier gas is adopted for sampling, so that the amount of the collected sample and the collected flow are accurate, and the sample introduction is kept stable.
Drawings
FIG. 1 is a schematic structural diagram of a gas-scattering-based powder sample online sampling device according to the present invention;
FIG. 2 is a schematic view of the break tank and drive section of the present invention;
FIG. 3 is a schematic view of the construction of a break-up can lid of the present invention;
fig. 4 is a schematic structural diagram of the scattering tank body of the invention.
Description of reference numerals: 1-spiral sampler; 2-an air amplifier; 3-a tee pipe fitting; 4-scattering the tank; 41-can cover; 411-break up gas first inlet 1; 412-carrier gas inlet; 413-carrier gas outlet; 414-break up gas first inlet 2; 415-a first dissipating air cavity; 416-breaking up the gas extension pipe; 417-powder inlet; 42-tank body; 421-second inlet of dispersing gas 1; 422-a scattered air outlet; 423-second break-up air chamber; 424-break up gas second inlet 2; 43-tank bottom; 5-a plunger mechanism; 51-a plunger head; 52-end cap; 53-an elastomer; 54-a plunger body; 6-negative pressure gas inlet; 7-a recovery port; 8-a blanking pipe; 9-a drive section; 10-a dust cover; 11-negative pressure box.
Detailed Description
The present invention provides an on-line sampling device for powdery samples based on gas scattering, which is further described in detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims.
Referring to fig. 1-4, in one embodiment, an online sampling device for a powdered sample based on gas break-up includes: a blanking pipe 8; the spiral sampler 1 is fixedly connected with the blanking pipeline 8 and is used for taking powder from the blanking pipeline 8; the negative pressure box 11 is provided with a recovery port 7, and is communicated with the blanking pipeline 8 through the recovery port 7; the scattering tank 4 is arranged in the negative pressure box 11, the scattering tank 4 comprises a tank cover 41, a tank body 42 and a tank bottom 43, the tank bottom 43 and the tank body 42 are arranged in a separated mode, the tank cover 41 is fixedly connected with the negative pressure box 11, a powder inlet 417, a plurality of scattering gas first inlets (such as the scattering gas first inlet 1411 and the scattering gas first inlet 2414 shown in fig. 3), a carrier gas inlet 412 and a carrier gas outlet 413 are arranged on the tank cover 41, an outlet of the spiral sampler 1 is communicated with the powder inlet 417, and the scattering tank 4 is used for enabling a powdery sample to form aerosol to obtain a sample with uniformity.
The existing online sampling modes of the powdery sample comprise sampling by a spiral sampler 1 and negative pressure sampling, the influence of the blanking state of a production line is obvious, and the powdery sample is easy to accumulate, so the sampling by the two modes is discontinuous and uneven actually. This sampling condition can cause significant fluctuations in the instrumentation, thereby affecting the test.
The online sampling device firstly feeds the powdery sample in the blanking pipeline 8 into the scattering tank 4 through the spiral sampler 1, then the scattering gas is introduced into the scattering tank 4, the scattering gas meets the sample to form aerosol, so that the sample is uniformly dispersed and can be sampled in real time, and then stable carrier gas is adopted for sampling, so that the amount of the collected sample and the collected flow are accurate, and the sample introduction is kept stable.
In a preferred embodiment, the online sampling device of this embodiment further includes a plunger mechanism 5 and a driving part 9, as shown in fig. 1, the plunger mechanism 5 is disposed in the break-up tank 4 and can move in a vertical direction, one end of the plunger mechanism 5 is fixedly connected to the tank bottom 43, the other end of the plunger mechanism extends into the powder inlet 417, the tank bottom 43 and the plunger mechanism 5 move up and down simultaneously to open and close the break-up tank 4, after the end of the plunger mechanism 5 extends into the powder inlet 417, the powder inlet 417 is closed, the plunger mechanism 5 descends, the end of the plunger mechanism 5 is away from the powder inlet 417, and the powder inlet 417 is opened;
the driving part 9 is arranged in the negative pressure box 11, and the driving part 9 is used for driving the plunger mechanism 5 to move in the vertical direction;
when the plunger mechanism 5 is in an upward movement state, the powder inlet 417 and the break-up tank 4 are closed, and the carrier gas is filled into the break-up tank 4 in this state, and the carrier gas brings the sample forming the aerosol out of the break-up tank 4 and into the analyzer; when the plunger mechanism 5 is in a downward movement state, at this time, in a non-sampling state, the break-up tank 4 is opened, and the powder inlet 417 is closed, and in this state, an excessive sample enters the negative pressure tank 11, and thus enters the blanking pipe 8 from the negative pressure tank 11, or the break-up tank 4 and the powder inlet 417 are opened, and the plunger mechanism 5 is arranged to realize the staged sampling.
Specifically, referring to fig. 2, the plunger mechanism 5 includes: plunger head 51, plunger body 54, elastomer 53, be provided with elastomer 53 in the plunger body 54, the bottom of elastomer 53 is fixed in the plunger body 54, and plunger head 51 bottom sets up in the plunger body 54, and the other end pierces through the plunger body 54 to stretch into powder entry 417, and the bottom of plunger body 54 and tank bottoms 43 fixed connection to link firmly in the output shaft of drive division 9. The plunger body 54 may be integrally formed, or may have an opening at the top end, and the top end is connected to an end cap 52 to enclose the bottom end of the plunger head 51 in the plunger body 54.
When can bottom 43 and can body 42 are in the sealed state, elastomer 53 is in the compressed state, and powder inlet 417 is also in the closed state, drive portion 9 drives plunger body 54 to move downwards, and can bottom 43 also moves downwards, at this moment, scattering can 4 is in the open state, elastomer 53 is firstly converted into the free state from the compressed state, then plunger body 54 continues to move downwards, plunger head 51 moves downwards due to gravity, and powder inlet 417 is opened.
In a preferred embodiment, the carrier gas inlet 412 is connected with a flowmeter, the carrier gas is used for taking the powdery sample forming the aerosol out of the scattering tank 4, the general carrier gas outlet 413 is connected with an analyzer for taking the powdery sample into the analyzer for analysis, the flowmeter is connected with the carrier gas inlet 412 for further accurate sampling, and different sample injection flow rates can be adjusted by changing the size of the carrier gas according to different samples or use occasions, so that the detection equipment with different flow requirements can be adapted.
In a preferred embodiment, referring to fig. 1, a three-way pipe 3 is arranged between the spiral sampler 1 and the scattering tank 4, two connectors of the three-way pipe 3 are respectively connected with the spiral sampler 1 and the scattering tank 4, the other connector end is communicated with the blanking pipe 8, the connector end is further provided with an air amplifier 2, and the air amplifier 2 is arranged to function as: when the powder inlet 417 is closed, the sample obtained by the spiral sampler 1 is blocked in the inlet pipeline, and the air amplifier 2 is arranged to blow the sample obtained by the spiral sampler 1 into the blanking pipeline 8, so that the sample is prevented from being blocked in the blanking pipeline 8.
In a preferred embodiment, referring to fig. 1, the negative pressure tank 11 is provided with a negative pressure gas inlet 6, the negative pressure gas inlet 6 is arranged obliquely above the tank bottom 43 or parallel to the tank bottom 43, and the negative pressure gas inlet 6 arranged obliquely above the tank bottom 43 or parallel to the tank bottom 43 can purge the redundant sample in the scattering tank 4 back into the blanking pipeline 8.
In a preferred embodiment, referring to fig. 3, a first scattering air cavity 415 is formed on the tank cover 41, the first scattering air cavity 415 is communicated with a first scattering air inlet, a plurality of scattering air extension pipes 416 are arranged below the tank cover 41, the scattering air extension pipes 416 extend to the middle lower part in the scattering tank 4, the scattering air extension pipes 416 are communicated with the first scattering air cavity 415, the first scattering air cavity 415 is arranged to uniformly fill the scattering air in the first scattering air cavity 415, the gas is flushed into the scattering tank 4 from the scattering air extension pipes 416, and the scattering air is flushed out from the bottom of the scattering air extension pipes 416 to form aerosol with a sample on the tank bottom.
Further, referring to fig. 4, a flange is disposed on the periphery of the bottom of the tank 42, a plurality of second inlets for dispersing gas (such as the second inlet 1421 and the second inlet 2424 for dispersing gas shown in fig. 4) are disposed on the flange, a second dispersing gas cavity 423 is disposed in the flange, a plurality of dispersing gas outlets 422 are disposed on the inner wall of the tank 42, and the second dispersing gas cavity 423 is disposed at the bottom of the tank to further enable the dispersing gas and the sample to form aerosol.
In a preferred embodiment, referring to fig. 2, a dust cover 10 is provided outside the driving part 9 to prevent the sample from falling on the driving part 9.
The sampling process of the online sampling device comprises the following steps:
referring to FIGS. 1-4, first, the screw sampler 1 takes a sample in a first step, in which the powder inlet 417 is opened and the break-up tank 4 is also opened, and the sample enters the break-up tank 4 through the powder inlet 417 and substantially falls on the tank bottom 43; then the driving part 9 works to enable the plunger body 54 to move upwards, the tank bottom 43 to move upwards at the same time, the scattering tank 4 is closed, the elastic body 53 is compressed to enable the plunger head 51 to move upwards in the process that the plunger body 54 moves upwards, the powder inlet 417 is closed, scattered air is filled into the scattering tank 4 at the moment, the scattered air is flushed out from the scattering air extension pipe 416 and the inner wall of the bottom of the tank body 42, so that the sample on the tank bottom 43 forms aerosol, then carrier gas is filled into the scattering tank 4, and the carrier gas brings the sample forming the aerosol out of the scattering tank 4; after the powder inlet 417 is closed, the air amplifier 2 is opened, and the sample obtained by the spiral sampler 1 is recovered into the blanking pipeline 8; when the sampling is not carried out, the driving part 9 works to enable the plunger piston body 54 to move downwards, meanwhile, the tank bottom 43 moves downwards, the scattering tank 4 is opened, redundant aerosol is removed from the bottom of the scattering tank 4, negative pressure gas is filled into the negative pressure tank 11 while the driving part 9 moves, the redundant aerosol is swept by the negative pressure gas and is recycled into the returning blanking pipeline 8 from the recycling port 7; when the plunger body 54 moves downward, the elastic body 53 changes from the compressed state to the free state, and then the bottom end of the plunger head 51 falls downward due to gravity without support, so that the powder inlet 417 is opened.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is still within the scope of the present invention if they fall within the scope of the claims of the present invention and their equivalents.
Claims (9)
1. The utility model provides a powdered sample online sampling device based on gas is broken up which characterized in that includes:
a blanking pipe;
the spiral sampler is fixedly connected with the blanking pipeline;
the negative pressure box is provided with a recovery port and is communicated with the blanking pipeline through the recovery port;
break up jar, set up in the negative-pressure tank, break up jar including cover, jar body and tank bottoms, the tank bottoms with jar body separation sets up, the cover with negative-pressure tank fixed connection, set up powder entry, a plurality of first entry, carrier gas import and the carrier gas export of gas of breaking up on the cover, spiral sampler's export with the powder entry intercommunication.
2. The gas-break-up based powdery sample online sampling device according to claim 1, further comprising a plunger mechanism and a driving part, wherein the plunger mechanism is arranged in the break-up tank, one end of the plunger mechanism is fixedly connected with the tank bottom, the other end of the plunger mechanism extends into the powder inlet, and the plunger mechanism can move in the break-up tank in a vertical direction to realize the opening and closing of the powder inlet and the opening or closing of the break-up tank;
the driving part is arranged in the negative pressure box and used for driving the plunger mechanism to move in the vertical direction.
3. The gas break-up based powdered sample online sampling device of claim 2, wherein the plunger mechanism comprises: the plunger comprises a plunger head, a plunger body and an elastic body, wherein the elastic body is arranged in the plunger body, the bottom end of the elastic body is fixed on the plunger body, the bottom end of the plunger head is arranged in the plunger body, the other end of the plunger head penetrates out of the plunger body and extends into the powder inlet, and the bottom end of the plunger body is fixedly connected with the bottom of the tank and is fixedly connected with the output shaft of the driving part.
4. The gas break up based powdered sample on-line sampling device of claim 1 wherein the carrier gas inlet is connected to a flow meter.
5. The online sampling device for powdery samples based on gas scattering of claim 2, characterized in that a tee pipe is arranged between the spiral sampler and the scattering tank, two joint ends of the tee pipe are respectively communicated with the spiral sampler and the scattering tank, the other joint end is communicated with the blanking pipeline, and an air amplifier is further arranged at the joint ends.
6. The online sampling device for powdery samples based on gas scattering of claim 1, wherein the negative pressure box is provided with a negative pressure gas inlet, and the negative pressure gas inlet is arranged obliquely above or parallel to the bottom of the tank.
7. The gas break-up based powdery sample online sampling device according to claim 1, wherein a first break-up gas cavity is provided on the lid, the first break-up gas cavity being in communication with the break-up gas first inlet, and a plurality of break-up gas extension pipes are provided under the lid, the break-up gas extension pipes being in communication with the first break-up gas cavity.
8. The gas scattering-based powdery sample online sampling device of claim 7, wherein a flange is arranged on the periphery of the bottom of the tank body, a plurality of scattering gas second inlets are arranged on the flange, a second scattering gas cavity is arranged in the flange, and a plurality of scattering gas outlets are arranged on the inner wall of the tank body.
9. The gas break-up based powdered sample online sampling device of claim 2, wherein a dust cover is provided outside the driving part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010564917.XA CN111795843B (en) | 2020-06-19 | 2020-06-19 | Online sampling device of powdered sample based on gas breaks up |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010564917.XA CN111795843B (en) | 2020-06-19 | 2020-06-19 | Online sampling device of powdered sample based on gas breaks up |
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| CN111795843A true CN111795843A (en) | 2020-10-20 |
| CN111795843B CN111795843B (en) | 2023-09-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237706A (en) * | 2021-06-30 | 2021-08-10 | 宜昌恒达利新材料科技有限公司 | Cement sampling system |
| CN114112529A (en) * | 2021-11-23 | 2022-03-01 | 航发优材(镇江)高温合金有限公司 | Powder sampling structure of vacuum tank for high-temperature alloy preparation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10332546A (en) * | 1997-06-05 | 1998-12-18 | Syst Sogo Kaihatsu Kk | Sampler for powdery material |
| CN2783309Y (en) * | 2005-01-05 | 2006-05-24 | 武汉亿胜科技有限公司 | Sampler used in positive/negative pressure |
| CN105126712A (en) * | 2015-07-10 | 2015-12-09 | 四川大学 | System capable of stably generating dust aerosol |
| CN205620160U (en) * | 2015-12-31 | 2016-10-05 | 中核建中核燃料元件有限公司 | Novel sample of electronic spiral of uo2 powder device |
| CN106680174A (en) * | 2016-11-21 | 2017-05-17 | 中国核电工程有限公司 | Aerosol distributing and sampling system |
| CN110672376A (en) * | 2019-10-22 | 2020-01-10 | 攀钢集团攀枝花钢铁研究院有限公司 | Titanium chloride white online sampling device |
| CN209945790U (en) * | 2019-03-28 | 2020-01-14 | 中建材（合肥）粉体科技装备有限公司 | Cement powder sampling device |
-
2020
- 2020-06-19 CN CN202010564917.XA patent/CN111795843B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10332546A (en) * | 1997-06-05 | 1998-12-18 | Syst Sogo Kaihatsu Kk | Sampler for powdery material |
| CN2783309Y (en) * | 2005-01-05 | 2006-05-24 | 武汉亿胜科技有限公司 | Sampler used in positive/negative pressure |
| CN105126712A (en) * | 2015-07-10 | 2015-12-09 | 四川大学 | System capable of stably generating dust aerosol |
| CN205620160U (en) * | 2015-12-31 | 2016-10-05 | 中核建中核燃料元件有限公司 | Novel sample of electronic spiral of uo2 powder device |
| CN106680174A (en) * | 2016-11-21 | 2017-05-17 | 中国核电工程有限公司 | Aerosol distributing and sampling system |
| CN209945790U (en) * | 2019-03-28 | 2020-01-14 | 中建材（合肥）粉体科技装备有限公司 | Cement powder sampling device |
| CN110672376A (en) * | 2019-10-22 | 2020-01-10 | 攀钢集团攀枝花钢铁研究院有限公司 | Titanium chloride white online sampling device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237706A (en) * | 2021-06-30 | 2021-08-10 | 宜昌恒达利新材料科技有限公司 | Cement sampling system |
| CN114112529A (en) * | 2021-11-23 | 2022-03-01 | 航发优材(镇江)高温合金有限公司 | Powder sampling structure of vacuum tank for high-temperature alloy preparation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111795843B (en) | 2023-09-26 |
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