CN108332986A - A kind of sampler and method - Google Patents

A kind of sampler and method Download PDF

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Publication number
CN108332986A
CN108332986A CN201810073014.4A CN201810073014A CN108332986A CN 108332986 A CN108332986 A CN 108332986A CN 201810073014 A CN201810073014 A CN 201810073014A CN 108332986 A CN108332986 A CN 108332986A
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China
Prior art keywords
tube
inner tube
plug members
thief hole
sampling
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CN201810073014.4A
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CN108332986B (en
Inventor
黄正梁
王超
李晓霞
李少硕
杨遥
孙婧元
王靖岱
阳永荣
蒋斌波
廖祖维
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/04Devices for withdrawing samples in the solid state, e.g. by cutting
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state

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  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Hydrology & Water Resources (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a kind of suitable for gas-solid system or gas-liquid-solid system, and the sampler and method of liquid or solid particle/powder or liquid-solid mixture, sampler include plug members, middle tube thief hole, inner tube thief hole, internal baffle, outer tube, middle tube, inner tube and anti-rotation lever;The sampling end of outer tube is detachably connected with plug members, the sampling end of middle tube is connect with plug members, and middle tube is placed within outer tube, middle tube thief hole is offered on the tube sampling end side wall of middle level, inner tube can move inner axial tube in middle level, the port sealing of internal layer tube sampling end, it is provided with internal baffle in internal layer tube sampling end, scale sliding slot is provided on internal layer inside pipe wall, internal baffle can be slided along scale sliding slot, inner tube thief hole is offered on inner tube side wall, sampling groove is formed between internal layer tube sampling end port and internal baffle, sample enters sampling groove by middle tube thief hole and inner tube thief hole, complete sampling.

Description

A kind of sampler and method
Technical field
The present invention relates to a kind of samplers and method being used for liquid or solid particle/powder or liquid-solid mixture.
Background technology
In the prior art, liquid and liquid consolidate the sampler of mixture and are only capable of taking surface sample, deeply cannot wherein get Sample, for example, therefore the liquid etc. that the sample, composition in liquid-solid mixture change measures the data such as particle liquid holdup come Deng inaccurate, unnecessary experiment error or economic loss are caused.
Carry out liquid-solid two-phase either gas-liquid-solid three-phase test when generally require by observe particle wetness degree or Liquid holdup determines that the operating characteristic and hydrodynamic performance of bed need to ensure accurate operating condition to reactor Middle catalyst granules is detected, and is generally sampled using probe tube.
CN201561883 is related to a kind of sampler for preventing sample gas from revealing, and middle cylinder body imports and exports one end in sample It must be whole, cannot be dismountable structure, the safe card structure that Air-tight piston is fallen is prevented to be fixed on cylinder.
The sealed liquid sampler that CN205785923U is related to includes three sections of tube bodies, is connected through a screw thread between tube body, Scale is equipped on tube wall, sampling head section bottom is equipped with form of sleeve, and switch segments are equipped with valve, can be by adjusting intermediate linkage section The length of tube body controls the depth of sampling.
It is not casing that CN201527368U, which is related to sampling pipe with a scale, and is stationarily connected on piston cylinder.
The telescopic thief sampler that CN205941062U is related to uses bilayer sleeve, and partition board is designed in probe tube and is separated Multiple thief holes, inner tube rear end be equipped with telescopic handle, can be directed to different depth material be sampled operation, material is only Including particle or powder.
The liquid sampling pipe structure that CN106644589A is related to is complex, including housing unit and movable component, uses Mutual movement between two components realizes that internal and extraneous unicom or closing, moving casing pass through spiral, screw thread or bayonet It is connected in the barrel body end cover, liquid on the move can be sampled.
The liquid and solid-liquid mixture sampler that CN202382961U is related to use dismountable moving casing, can be to liquid Face carries out the sampling in vertical direction, and sample volume is controlled by tube wall scale.
The design structure of sampler is mostly complex at present, poor for the versatility of different systems, it is difficult to meet The demand being sampled in dynamic experiment, sample in the presence of gas phase it is difficult, therefore design it is a kind of it is easy to operate, simple in structure, Liquid, solid particle/powder or the liquid-solid mixture sampler of strong applicability are current problems to be solved.
Invention content
It is solid that the present invention has overcome the deficiencies of the prior art and provide a kind of liquid of strong applicability, solid particle/powder or liquid Mixture sampler, have it is simple in structure, it is easy to operate, and mobile liquid, solid or liquid-solid mixture can be carried out The characteristics of sampling.
Specific technical solution of the present invention is as follows:
A kind of sampler, including plug members, middle tube thief hole, inner tube thief hole, internal baffle, outer tube, Middle tube, inner tube and anti-rotation lever;The sampling end of the outer tube is detachably connected with plug members, and the middle tube takes Sample end is connect with plug members, and middle tube is placed within outer tube, and middle tube sampling is offered on the tube sampling end side wall of middle level Hole, internal layer pipe diameter is less than middle tube, and inner tube can move inner axial tube in middle level, and inner tube is close to one end of plug members For the port sealing of internal layer tube sampling end and internal layer tube sampling end, it is provided with internal baffle in internal layer tube sampling end, in inner tube Scale sliding slot is provided on wall, internal baffle can be slided along scale sliding slot, between internal layer tube sampling end port and internal baffle Inner tube thief hole is offered on side wall, forms sampling groove between internal layer tube sampling end port and internal baffle, and inner tube is non- Sampling end axially offers limit sliding chutes on outer surface;Described anti-rotation lever one end is fixedly connected with outer tube, other end card Enter in limit sliding chutes.
Preferably, it is provided with card slot in the plug members, the gasket for sealing is provided in card slot, outer tube takes Sample end is provided with connecting elements, and outer tube is detachably connected by connecting elements and card slot with plug members.It is detachably connected Purpose is, when being sampled, needs outer tube detaching plug members, then in need that outer tube is turned back to plug members.
Preferably, it is provided with sealant between the outer tube and middle tube, between middle tube and inner tube, prevents sample Into between pipe.
Preferably, the scale for showing outer layer length of tube, outer tube and closure structure are provided in the outer layer pipe outer wall The position of part connection is scale starting point, and the purpose of this design is to accurately hold the depth that sampler is inserted into sample.
Preferably, the plug members are cone, cylinder, truncated cone-shaped, hemispherical or semielliptical shape, are especially justified Taper plug members are easy to be inserted into sample since top is sharper.Plug members be it is solid or hollow, plug members with it is outer The ratio between base area and outer tube cross-sectional area of layer pipe connection are 1.2:1~2.2:1, ensure that plug members can cover Outer tube.
Preferably, the plug members are welded or are threadedly coupled with middle tube, which is easier to realize.
Preferably, when internal layer tube sampling end stretches into middle level tube sampling end, middle tube thief hole is at a distance from plug members It is identical at a distance from plug members with inner tube thief hole, ensure that middle tube thief hole can be sampled with face inner tube when sampling Hole.Middle tube thief hole is consistent with inner tube sampling hole shape, is all circular curved surface or oval curved surface or polygon curved surface, and The area of middle tube thief hole is more than the area of inner tube thief hole.
Preferably, the middle tube thief hole and inner tube thief hole are all rectangular curved surface, facilitate calculating sampling amount.
Preferably, the outer tube, middle tube, inner tube, internal baffle, anti-rotation lever, handle and plug members are Stainless steel, it is corrosion-resistant.
Preferably, it is fixedly connected with the rotating bar for being useful for rotation middle tube on the non-sampling end outer surface of the middle tube, turns Stress point of the lever as rotation middle tube is easy so that middle tube rotation.
Preferably, the circular scale for angles of display is provided on the non-sampling end outer surface of the middle tube, it is described interior Layer manages non-sampling end outer surface position corresponding with inner tube thief hole and is provided with identification label, by observing circular scale and knowledge It Biao Ji not can be confirmed between the relative position of middle tube thief hole and inner tube thief hole, such as 0 °~30 ° of circular scale and be Middle tube thief hole circumferential direction position, then when 0 °~30 ° of identification label and circular scale to it is corresponding when middle tube thief hole face Inner tube thief hole.
Preferably, the non-sampling end of inner tube is connected with handle.
The present invention also aims to provide a kind of sampling method, steps are as follows:
Inner tube is inserted into middle tube, make middle tube thief hole at a distance from plug members and inner tube thief hole with block The distance of component is identical, according to the volume of required sampling sample, adjusts the position of internal baffle, sampler sampling end is inserted into In sample, liquid or solid particle/powder or liquid-solid mixture in gas-solid system or gas-liquid-solid system, adjustment sampling as needed Device needs the depth being inserted into sample, can observe depth by the scale in outer tube, outer tube is axially detached to closure Component, until middle tube thief hole is completely exposed in the sample, this process since anti-rotation lever one end is limited in limit sliding chutes, Outer tube can only be moved axially relative to inner tube, and circumferential movement cannot occur;Rotation middle tube makes middle tube thief hole Face inner tube thief hole samples groove exposure in the sample at this time, and it is recessed that sample enters sampling under the action of gravity and pressure Slot is until fill up;Rotation middle tube makes middle tube thief hole and inner tube thief hole misplace again, and outer tube is pushed to insert it into In the card slot of plug members, middle tube and sample is made to be isolated, is even gone out between avoiding sample from entering pipe under the effect of the pressure;It takes out Go out inner tube until sample taking-up sampler, finally obtains sample.
Advantages of the present invention is:Sampler is simple in structure, easy to operate, versatile, can be accurate in dynamic experiment It really is sampled operation, is goed deep into sample, the sample of required depth, the liquid suitable for gas-solid system or gas-liquid-solid system are obtained Or the sampling of solid particle/powder or liquid-solid mixture.Especially suitable for laboratory blender kettle, fluid bed, moving bed, fixed bed Deng reaction in liquid, solid particle, powder, liquid-solid mixture sampling, it can also be used to commercial plant sample.
Description of the drawings
Fig. 1:Plug members are hemispherical, middle tube thief hole and the sampler knot that inner tube thief hole is circular curved surface Structure schematic diagram;
Fig. 2:Plug members are cuboid, middle tube thief hole and the sampler knot that inner tube thief hole is rectangular curved surface Structure schematic diagram;
Fig. 3:The structural schematic diagram of sampler;
Fig. 4:The structure of sampler splits schematic diagram;
Fig. 5 (a):Hemispherical plug members floor map;Fig. 5 (b):Truncated cone-shaped plug members floor map;Fig. 5 (c):Conical plug members floor map;Fig. 5 (d):Cylindrical plug members floor map;Fig. 5 (e):Cuboid Plug members floor map;Fig. 5 (f):Taper type plug members floor map;
Fig. 6 (a):Cuboid plug members connect stereogram with middle tube;Fig. 6 (b):Cylindrical plug members and middle level Pipe connects stereogram;Fig. 6 (c):Conical plug members connect stereogram with middle tube;Fig. 6 (d):Taper type plug members with Middle tube connects stereogram;Fig. 6 (e):Semicircle plug members connect stereogram with middle tube;Fig. 6 (f):Half elliptic blocks Component connect stereogram with middle tube;Fig. 6 (g):Triangular pyramid plug members connect stereogram with middle tube;Fig. 6 (h):Round platform Shape plug members connect stereogram with middle tube;Fig. 6 (i):Pentagonal prism shape plug members connect stereogram with middle tube.
Reference numeral:1 plug members;2 card slots;3 middle tube thief holes;4 inner tube thief holes;5 internal baffles;6 outer layers Pipe;7 scales;8 sealants;9 middle tubes;10 rotating bars;11 inner tubes;12 anti-rotation levers;13 handles.
Specific implementation mode
The embodiment that the present invention will be described in detail with reference to the accompanying drawings and embodiments.
As shown in Figure 3 and Figure 4, a kind of sampler, including plug members 1, middle tube thief hole 3, inner tube thief hole 4, internal baffle 5, outer tube 6, middle tube 9, inner tube 11 and anti-rotation lever 12;Plug members 1 are cone, due to blocking structure 1 top of part is sharper, is easy to be inserted into sample.It is provided with card slot 2 in plug members 1, the pad for sealing is provided in card slot 2 Piece, 6 sampling end of outer tube are provided with connecting elements, and outer tube 6 is detachably connected by connecting elements and card slot 2 with plug members 1 It connects.The purpose being detachably connected is, when being sampled, needs outer tube 6 detaching plug members 1, it is then in need will be outer Layer pipe 6 turns back to plug members 1.The sampling end of middle tube 9 is welded or is threadedly coupled with plug members 1, and middle tube 9 is placed on outer layer Within pipe 6, middle tube thief hole 3 is offered on 9 sampling end side wall of middle tube, 11 diameter of inner tube is less than middle tube 9, and internal layer Pipe 11 can axial movement in pipe 9 in middle level, inner tube 11 is 11 sampling end of inner tube and inner tube close to one end of plug members 1 The port sealing of 11 sampling ends is provided with internal baffle 5 in 11 sampling end of inner tube, and scale cunning is provided on 11 inner wall of inner tube Slot, internal baffle 5 can be slided along scale sliding slot, be offered on side wall between 11 sampling end port of inner tube and internal baffle 5 Inner tube thief hole 4, when 11 sampling end of inner tube stretches into 9 sampling end of middle tube, middle tube thief hole 3 and plug members 1 Distance and inner tube thief hole 4 are identical at a distance from plug members 1, ensure that middle tube thief hole 3 can be with face internal layer when sampling Pipe thief hole 4.Middle tube thief hole 3 is consistent with 4 shape of inner tube thief hole, is all rectangular curved surface, and middle tube thief hole 3 Area is more than the area of inner tube thief hole 4.Sampling groove is formed between 11 sampling end port of inner tube and internal baffle 5, it is interior Layer pipe axially offers limit sliding chutes on 11 non-sampling end outer surface;12 one end of anti-rotation lever is fixedly connected with outer tube 6, another End is caught in limit sliding chutes.It is provided with sealant 8 between outer tube 6 and middle tube 9, between middle tube 9 and inner tube 11, is prevented Sample enters between pipe.The scale 7 for showing 6 length of outer tube, outer tube 6 and plug members 1 are provided on 6 outer wall of outer tube The position of connection is scale starting point, and the purpose of this design is to accurately hold the depth that sampler is inserted into sample.Outer tube 6, middle tube 9, inner tube 11, internal baffle 5, anti-rotation lever 12, handle 13 and plug members 1 are stainless steel, corrosion-resistant.
As embodiment, plug members 1 are solid or hollow, base area that plug members 1 connects with outer tube 6 and outside The ratio between layer 6 cross-sectional area of pipe is 1.2:1~2.2:1, ensure that plug members 1 can cover outer tube 6.
As embodiment, the circular scale for angles of display, inner tube are provided on 9 non-sampling end outer surface of middle tube 11 non-sampling end outer surfaces position corresponding with inner tube thief hole 4 is provided with identification label, passes through and observes circular scale and knowledge It Biao Ji not can be confirmed between the relative position of middle tube thief hole 3 and inner tube thief hole 4, such as 0 °~30 ° of circular scale For the circumferential position of middle tube thief hole 3, then when 0 °~30 ° of identification label and circular scale to it is corresponding when middle tube thief hole 3 Face inner tube thief hole 4;Then when identification label is staggered the beginning with 0 °~30 ° of circular scale, middle tube thief hole 3 and inner tube Thief hole 4 misplaces.
The plug members of embodiment as shown in Figure 1 are hemispherical, and middle tube thief hole and inner tube thief hole are round bent Face.
The plug members of embodiment as shown in Figure 2 are cuboid, and middle tube thief hole and inner tube thief hole are rectangular song Face.
The embodiment as shown in Fig. 5 (a)~5 (f) be respectively hemispherical, truncated cone-shaped, cone, cylinder, cuboid and Taper type plug members.
The embodiment as shown in Fig. 6 (a)~6 (i) is respectively cuboid plug members, cylindrical plug members, circular cone Shape plug members, taper type plug members, semicircle plug members, half elliptic plug members, triangular pyramid plug members, circle Platform shape plug members, pentagonal prism shape plug members are connect with middle tube.
A kind of sampling method of the present invention, steps are as follows:
Inner tube 11 is inserted into middle tube 9, makes middle tube thief hole 3 at a distance from plug members 1 and inner tube thief hole 4 It is identical as at a distance from plug members 1, according to the volume of required sampling sample, the position of internal baffle 5 is adjusted, sampler is taken Sample end is inserted into sample, and sample can be that liquid or solid particle/powder or liquid mix admittedly in gas-solid system or gas-liquid-solid system Object, adjusts sampler and needs the depth being inserted into sample as needed, and outer tube 6 is axially detached plug members 1, until in Layer pipe thief hole 3 is completely exposed in the sample, this process is since 12 one end of anti-rotation lever is limited in limit sliding chutes, outer tube 6 It can only be moved axially relative to inner tube 11, circumferential movement cannot occur;Rotation middle tube 9 makes middle tube thief hole 3 just To inner tube thief hole 4, groove exposure is sampled at this time in the sample, and sample enters sampling groove under the action of gravity and pressure Until filling up;Rotation middle tube 9 makes middle tube thief hole 3 and inner tube thief hole 4 misplace again, pushes outer tube 6 that it is made to insert In the card slot 2 for entering plug members 1, middle tube 9 and sample is made to be isolated, is even rushed between avoiding sample from entering pipe under the effect of the pressure Go out;Inner tube 11 is extracted out until sample taking-up sampler, finally obtains sample.
Above-mentioned embodiment is only a preferred solution of the present invention, so it is not intended to limiting the invention.Have The those of ordinary skill for closing technical field can also make various changes without departing from the spirit and scope of the present invention Change and modification.Therefore all technical solutions for taking the mode of equivalent substitution or equivalent transformation to be obtained all fall within the guarantor of the present invention It protects in range.

Claims (10)

1. a kind of sampler, which is characterized in that including plug members (1), middle tube thief hole (3), inner tube thief hole (4), internal baffle (5), outer tube (6), middle tube (9), inner tube (11) and anti-rotation lever (12);
The sampling end of the outer tube (6) is detachably connected with plug members (1), the sampling end of the middle tube (9) and closure Component (1) connects, and middle tube (9) is placed within outer tube (6), and offering middle tube on middle tube (9) sampling end side wall takes Sample hole (3), inner tube (11) diameter is less than middle tube (9), and inner tube (11) can manage axial movement, internal layer in (9) in middle level The port sealing of (11) close to one end of plug members (1) for inner tube (11) sampling end and inner tube (11) sampling end is managed, it is interior It is provided with internal baffle (5) in layer pipe (11) sampling end, scale sliding slot, internal baffle (5) are provided on inner tube (11) inner wall It can be slided along scale sliding slot, inner tube is offered on the side wall between inner tube (11) sampling end port and internal baffle (5) Thief hole (4) forms sampling groove, inner tube (11) non-sampling between inner tube (11) sampling end port and internal baffle (5) End axially offers limit sliding chutes on outer surface;Described anti-rotation lever (12) one end is fixedly connected with outer tube (6), the other end It is caught in limit sliding chutes.
2. sampler as described in claim 1, which is characterized in that it is provided with card slot (2) in the plug members (1), The gasket for sealing is provided in card slot (2), outer tube (6) sampling end is provided with connecting elements, and outer tube (6) passes through connection Component and card slot (2) are detachably connected with plug members (1).
3. sampler as described in claim 1, which is characterized in that between the outer tube (6) and middle tube (9), middle level It is provided with sealant (8) between pipe (9) and inner tube (11).
4. sampler as described in claim 1, which is characterized in that be provided on outer tube (6) outer wall for showing The scale (7) of outer tube (6) length, the position that outer tube (6) is connect with plug members (1) are scale starting point.
5. sampler as described in claim 1, which is characterized in that the plug members (1) be cone, it is cylindrical, Truncated cone-shaped, hemispherical or semielliptical shape, plug members (1) are solid or hollow, and plug members (1) are connect with outer tube (6) The ratio between base area and outer tube (6) cross-sectional area are 1.2:1~2.2:1.
6. sampler as described in claim 1, which is characterized in that the plug members (1) welded with middle tube (9) or It is threadedly coupled.
7. sampler as described in claim 1, which is characterized in that taken when inner tube (11) sampling end stretches into middle tube (9) When sample end, middle tube thief hole (3) is at a distance from plug members (1) and inner tube thief hole (4) is at a distance from plug members (1) Identical, middle tube thief hole (3) is consistent with inner tube thief hole (4) shape, is all circular curved surface or oval curved surface or polygon Shape curved surface, and the area of middle tube thief hole (3) is more than the area of inner tube thief hole (4).
8. sampler as described in claim 1, which is characterized in that fixed on the non-sampling end outer surface of middle tube (9) It is connected with the rotating bar (10) for rotating middle tube (9).
9. sampler as described in claim 1, which is characterized in that be arranged on the non-sampling end outer surface of middle tube (9) It is useful for the circular scale of angles of display, the non-sampling end outer surface of inner tube (11) is corresponding with inner tube thief hole (4) Position is provided with identification label, and inner tube (11) non-sampling end is connected with handle (13).
10. a kind of sampling method of sampler as claimed in claim 1, which is characterized in that steps are as follows:
Inner tube (11) is inserted into middle tube (9), middle tube thief hole (3) is made to be taken with inner tube at a distance from plug members (1) Sample hole (4) is identical at a distance from plug members (1), according to the volume of required sampling sample, adjusts the position of internal baffle (5), Sampler sampling end is inserted into sample, sampler is adjusted as needed and needs the depth being inserted into sample, by outer tube (6) axial to detach plug members (1), until middle tube thief hole (3) is completely exposed in the sample, this process is due to anti-rotation lever (12) one end is limited in limit sliding chutes, and outer tube (6) can only be moved axially relative to inner tube (11), and week cannot occur To movement;Rotation middle tube (9) makes middle tube thief hole (3) face inner tube thief hole (4), samples groove at this time and is exposed to sample In product, sample enters sampling groove until filling up under the action of gravity and pressure;Rotation middle tube (9) makes middle tube take again Sample hole (3) and inner tube thief hole (4) dislocation, push outer tube (6) to insert it into the card slot (2) of plug members (1), in making Layer pipe (9) and sample isolation;Inner tube (11) is extracted out until sample taking-up sampler, finally obtains sample.
CN201810073014.4A 2018-01-25 2018-01-25 Sampling device and method Active CN108332986B (en)

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Cited By (9)

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CN108871461A (en) * 2018-09-13 2018-11-23 北京城建十六建筑工程有限责任公司 A kind of Multifunctional measuring tool
CN109030078A (en) * 2018-09-03 2018-12-18 江苏铭城建筑设计院有限公司 A kind of soil sample collector
CN111493942A (en) * 2020-05-28 2020-08-07 中国医科大学 Medical totally-enclosed pathological sampling device
CN111665090A (en) * 2020-07-08 2020-09-15 南京美世特自动化工程有限公司 A thermoelectric desulfurization absorption tower thick liquid sampler for pH meter
CN112129587A (en) * 2020-10-19 2020-12-25 浙江浙能技术研究院有限公司 Self-sealing type flat-head pulverized coal sampling gun and operation method thereof
CN112747966A (en) * 2020-12-22 2021-05-04 重庆医药高等专科学校 Sampler for pharmaceutical machine
CN113405838A (en) * 2021-05-26 2021-09-17 上海化工院检测有限公司 Detachable reverse-insertion storage type solid fertilizer sampling drill rod and application thereof
CN115389270A (en) * 2022-08-18 2022-11-25 中信重工机械股份有限公司 Material feeding detection sampling device and sampling method for vertical mill powder concentrator
CN117074091A (en) * 2023-10-16 2023-11-17 烟台杰科检测服务有限公司 Random blind detection sampling device for food detection

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CN2206458Y (en) * 1994-07-02 1995-08-30 申辰 Rotating casing type powder sampling device
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CN201811861U (en) * 2010-08-01 2011-04-27 潍坊世华化工有限公司 Powdery material sampler for production of xanthogenate
CN203011733U (en) * 2012-11-27 2013-06-19 哈尔滨弘盛电力设备有限公司 Sleeve type sampler
CN203414305U (en) * 2013-08-30 2014-01-29 甘肃瓮福化工有限责任公司 Sampler
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CN204405365U (en) * 2015-02-27 2015-06-17 孝义市鑫腾矿业有限公司 Sampler
CN205103055U (en) * 2015-10-31 2016-03-23 苏州吴中供水有限公司 Water works filter material sample thief
CN205808756U (en) * 2016-07-01 2016-12-14 北京润丰园林绿化工程有限公司 Plant root soil humidity prospecting apparatus
CN206132441U (en) * 2016-11-10 2017-04-26 郭艳华 Sampling device is used in grain inspection
CN206192695U (en) * 2016-11-15 2017-05-24 深圳市鸿生建材有限公司 Cement sampler
CN206772630U (en) * 2017-02-28 2017-12-19 天津力生化工有限公司 A kind of chemical powder sampling is visited
CN107063743A (en) * 2017-04-19 2017-08-18 中国科学院南海海洋研究所 A kind of column shaped deposit gravity corer of deep-sea untethered sampling operation and its application

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CN108871461A (en) * 2018-09-13 2018-11-23 北京城建十六建筑工程有限责任公司 A kind of Multifunctional measuring tool
CN111493942B (en) * 2020-05-28 2024-06-04 中国医科大学 Medical totally enclosed pathological sampling device
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CN111665090A (en) * 2020-07-08 2020-09-15 南京美世特自动化工程有限公司 A thermoelectric desulfurization absorption tower thick liquid sampler for pH meter
CN112129587A (en) * 2020-10-19 2020-12-25 浙江浙能技术研究院有限公司 Self-sealing type flat-head pulverized coal sampling gun and operation method thereof
CN112747966A (en) * 2020-12-22 2021-05-04 重庆医药高等专科学校 Sampler for pharmaceutical machine
CN113405838A (en) * 2021-05-26 2021-09-17 上海化工院检测有限公司 Detachable reverse-insertion storage type solid fertilizer sampling drill rod and application thereof
CN113405838B (en) * 2021-05-26 2023-06-06 上海化工院检测有限公司 Detachable reversely-inserted storage type solid fertilizer sampling drill rod and application thereof
CN115389270B (en) * 2022-08-18 2024-04-26 中信重工机械股份有限公司 Feeding detection sampling device and sampling method for vertical mill powder concentrator
CN115389270A (en) * 2022-08-18 2022-11-25 中信重工机械股份有限公司 Material feeding detection sampling device and sampling method for vertical mill powder concentrator
CN117074091A (en) * 2023-10-16 2023-11-17 烟台杰科检测服务有限公司 Random blind detection sampling device for food detection
CN117074091B (en) * 2023-10-16 2023-12-19 烟台杰科检测服务有限公司 Random blind detection sampling device for food detection

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