CN207675492U - A kind of chemical liquid sampler - Google Patents

A kind of chemical liquid sampler Download PDF

Info

Publication number
CN207675492U
CN207675492U CN201820043072.8U CN201820043072U CN207675492U CN 207675492 U CN207675492 U CN 207675492U CN 201820043072 U CN201820043072 U CN 201820043072U CN 207675492 U CN207675492 U CN 207675492U
Authority
CN
China
Prior art keywords
hole
tube
sealing
groove
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820043072.8U
Other languages
Chinese (zh)
Inventor
于伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201820043072.8U priority Critical patent/CN207675492U/en
Application granted granted Critical
Publication of CN207675492U publication Critical patent/CN207675492U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Sampling And Sample Adjustment (AREA)

Abstract

The utility model discloses a kind of chemical liquid samplers, are related to chemical products sampling field.It includes exhaust tube;The outer fixing seal of exhaust tube is socketed with cylindrical seal box;Piston has been slidably and sealingly connected in exhaust tube;Piston upper end is fixedly connected with the gas-guide tube being connected to through-hole;Seal box upper side is provided with butt hole;The outer rotary seal of seal box is socketed with link block;Grafting sealing is connected with sampling cabinet in inserting groove;Sampling lower box part is communicated with inlet tube;Seal box bottom end is fixedly connected with chassis;Chassis upper end is provided with the lock tube groove of annular corresponding with inlet tube position;It opens there are one corresponding with inlet tube position into fluid through-hole chassis upper end;Chassis bottom end is provided with sealing liquid groove;Bottom is equipped with check valve in gas-guide tube.The utility model has the beneficial effects that:It is simple in structure, it can easily realize multidraw and enough samplings, effectively reduce resistance when extracting liquid, can accurately realize the sampling of bottom liquid.

Description

A kind of chemical liquid sampler
Technical field
The utility model is related to chemical products sampling technique fields.
Background technology
It needs to be sampled detection to the liquid in liquid storage container in chemical industry, needs to realize that the enough liquid of multiple spot takes Sample.Without using electronic equipment, the extraction that the general structure using syringe carries out liquid samples, but to reality Now quick multidraw is limited by syringe construction negative pressure extracting amount, and conventional sampling equipment then has undersampling, or The problems such as sampler is larger;Meanwhile when being extracted to liquid, the feed liquor port of syringe construction is needed smaller straight It within the scope of diameter, is flowed out to avoid liquid, but smaller feed liquor port can then influence the speed extracted, can also increase resistance.Together Sample, it is also critically important to the sampling of bottom liquid in multidraw, but general sampler is influenced by mobility is strong, It is easy to be drawn into other levels more liquid when sampling bottom liquid.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned technical deficiency, provides a kind of chemical liquid Body sampler.It is simple in structure, it can easily realize multidraw and enough samplings, effectively reduce resistance when extracting liquid Power can accurately realize the sampling of bottom liquid.
The technical solution adopted in the utility model is:A kind of chemical liquid sampler is provided, including exhaust tube, center ring and Locating ring;The outer fixing seal of exhaust tube is socketed with cylindrical seal box;Exhaust tube lower end is connected to seal box;It is sliding in exhaust tube Dynamic sealing is connected with piston;It is provided with through-hole in the middle part of piston;Piston upper end is fixedly connected with the gas-guide tube being connected to through-hole;Gas-guide tube End sealing is fixedly connected with pushing board;Gas-guide tube upper side is communicated with exhaust pipe;Seal box upper side is provided with butt hole; The outer rotary seal of seal box is socketed with link block;Each side of link block is provided with the inserting groove of vertical direction;On inserting groove Portion is provided with connecting hole corresponding with docking hole site, and connecting hole docks cooperation with butt hole sealing;Grafting seals in inserting groove It is connected with sampling cabinet;Sampling cabinet side surface upper part is provided with seals the venthole that dock with connecting hole, in venthole and sampling cabinet Portion is connected to;Sampling lower box part is communicated with inlet tube;The locating ring and center ring rotation socket cooperation, locating ring and link block Upper end is fixedly connected by strut, and center ring is fixedly connected with seal box upper end by fixed link;
Seal box bottom end is fixedly connected with chassis;The lock tube that chassis upper end is provided with annular corresponding with inlet tube position is recessed Slot;Inlet tube is slidably connected with lock tube groove;Chassis upper end opens that there are one corresponding with inlet tube position into fluid through-hole, into Fluid through-hole side is connected to lock tube groove;It is corresponding with butt hole upper and lower position into fluid through-hole;Feed liquor through-hole diameter is more than inlet tube Diameter;
Chassis bottom end is provided with sealing liquid groove;Sealing liquid groove upper end is provided with the control hole of taper;Control hole upper end and seal box Bottom is connected to;Grafting is sealed with sealing-plug in control hole;Bottom is equipped with check valve in gas-guide tube.
Advanced optimize the technical program, a kind of strut and fixed link of chemical liquid sampler is telescopic rod Structure;The gas-guide tube is divide into upper part and lower part, and is connected up and down for thread seal between two parts.
Advanced optimize the technical program, a kind of drawstring other end of chemical liquid sampler is fixed with sealing liquid groove to be connected It connects;Sealing liquid groove medial surface is fixedly connected with elastomeric bladder.
Compared with traditional liquid sampler, advantage is the utility model:
1, sampling cabinet is for drawing storage sample liquid, and multiple sampling cabinets individually carry out the sampling of liquid successively, using outer The connection of the adjustable conversion sampling cabinet and exhaust tube of the center ring and locating ring in portion can turn in liquid level following implemented sampling cabinet It changes, chooses different positions and be sampled, reduce the number of taking-up, it is easy to use;
Sliding of the piston in exhaust tube generates negative pressure, by being connected to for venthole, connecting hole, butt hole and exhaust tube, It realizes the connection of a sampling cabinet and exhaust tube, realizes that sampling cabinet extracts environmental liquids, when piston moves down reset, in exhaust tube Gas is discharged by the exhaust pipe that gas-guide tube connects, and is convenient to carry out multiple negative pressure extracting, can in the limited stroke of piston Ensure the extraction amount of each liquid abundance;
The setting of chassis upper end lock tube groove can squeeze inlet tube, and the inlet tube being relatively large in diameter is made to reduce open end The closure storage of sampling cabinet internal liquid is realized in face, and inlet tube is relatively large in diameter, and expansion can be realized in feed liquor through hole, is convenient for Liquid is quickly extracted, resistance is reduced;
The setting of chassis lower end sealing liquid groove, can be when chassis and the bottom of storage chemical liquid be in close contact, and sealing liquid is recessed The liquid positioned at bottommost is detained in slot, the extraction of bottom liquid can be carried out by exhaust tube, and detain by sealing, be utilized pumping Tracheae manufactures hydraulic shock, is conducive to acquire bottom deposit material, sampling is more rich and varied and conveniently;
2, strut and fixed bacillus are adopted as conventional fixedly connected part with realizing external control liquid level conversion below With Telescopic rod structure, it is conveniently adjusted height, adapts to different liquid depths, while gas-guide tube uses upper and lower two parts, and be spiral shell Line is tightly connected, replacement installation easy to disassemble, to realize the change of air guide length of tube;
3, the underwater unlatching of sealing-plug is realized using pressurization, sealing-plug is connect by drawstring with sealing liquid groove, in liquid level It opens below in use, avoiding losing, the setting of elastomeric bladder conveniently adapts to adjust the pressure in underwater sealing liquid groove.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is Fig. 1 fractionation structural representations;
Fig. 3 is Fig. 2 part-structure fractionation structural representations;
Fig. 4 is the utility model planar structure schematic diagram;
In figure, 1, exhaust tube;2, center ring;3, locating ring;4, seal box;5, piston;6, through-hole;7, gas-guide tube;8, hand Push plate;9, exhaust pipe;10, butt hole;11, link block;12, inserting groove;13, connecting hole;14, sampling cabinet;15, venthole;16、 Inlet tube;17, strut;18, fixed link;19, chassis;20, lock tube groove;21, into fluid through-hole;22, sealing liquid groove;23, it controls Hole;24, sealing-plug;25, check valve;26, drawstring;27, elastomeric bladder.
Specific implementation mode
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
As shown in Figs 1-4, a kind of chemical liquid sampler, including exhaust tube 1, center ring 2 and locating ring 3;Outside exhaust tube 1 Fixing seal is socketed with cylindrical seal box 4;1 lower end of exhaust tube is connected to seal box 4;It is slidably and sealingly connected in exhaust tube 1 There is piston 5;5 middle part of piston is provided with through-hole 6;5 upper end of piston is fixedly connected with the gas-guide tube 7 being connected to through-hole 6;Gas-guide tube 7 pushes up End is sealedly and fixedly connected and has pushing board 8;7 upper side of gas-guide tube is communicated with exhaust pipe 9;4 upper side of seal box is provided with docking Hole 10;4 outer rotary seal of seal box is socketed with link block 11;Each side of link block 11 is provided with the inserting groove of vertical direction 12;12 top of inserting groove is provided with connecting hole 13 corresponding with 10 position of butt hole, and connecting hole 13 is docked with the sealing of butt hole 10 Cooperation;Grafting sealing is connected with sampling cabinet 14 in inserting groove 12;14 side surface upper part of sampling cabinet is provided with to be sealed with connecting hole 13 The venthole 15 of docking, venthole 15 are connected to 14 inside of sampling cabinet;14 lower part of sampling cabinet is communicated with inlet tube 16;Described determines Position ring 3 and center ring 2 rotation socket cooperation, locating ring 3 are fixedly connected with 11 upper end of link block by strut 17, center ring 2 and 4 upper end of seal box is fixedly connected by fixed link 18;4 bottom end of seal box is fixedly connected with chassis 19;19 upper end of chassis be provided with The lock tube groove 20 of the corresponding annular in 16 position of inlet tube;Inlet tube 16 is slidably connected with lock tube groove 20;On chassis 19 End is opened there are one corresponding with 16 position of inlet tube into fluid through-hole 21, is connected into 21 side of fluid through-hole with lock tube groove 20;Feed liquor Through-hole 21 is corresponding with 10 upper and lower position of butt hole;It is more than 16 diameter of inlet tube into 21 diameter of fluid through-hole;19 bottom end of chassis is provided with envelope Liquid groove 22;22 upper end of sealing liquid groove is provided with the control hole 23 of taper;23 upper end of control hole is connected to 4 bottom of seal box;Control Grafting is sealed with sealing-plug 24 in hole 23;Bottom is equipped with check valve 25 in gas-guide tube 7;The strut 17 and fixed link 18 be Telescopic rod structure;The gas-guide tube 7 is divide into upper part and lower part, and is connected up and down for thread seal between two parts; 24 bottom end of sealing-plug is connected with drawstring 26;26 other end of drawstring is fixedly connected with sealing liquid groove 22;22 medial surface of sealing liquid groove is solid Surely it is connected with elastomeric bladder 27.
When the utility model is used, by taking link block 11 is quadrangular shape as an example, sampling cabinet 14 is plugged on link block In the inserting groove 12 of 11 4 sides, by venthole 15, sampling cabinet 14 is docked and connected with the sealing of connecting hole 13, and connecting hole 13 is worn It is docked with the sealing of the butt hole 10 of seal box 4 after crossing link block 11, by controlling the rotation of link block 11, can control sampling cabinet 14 Connection lower part is put into liquid when carrying out liquid sampling, needing the position that samples to carry out drawing liquid sampling storage, into Fluid through-hole 21 is corresponding with 10 upper and lower position of butt hole, when a sampling cabinet 14 is docked with the sealing of butt hole 10, this sampling cabinet 14 inlet tube 16 is into fluid through-hole 21.
In sampling, lifting gas-guide tube 7 moves up, and piston 5 moves up, and the check valve 25 in gas-guide tube 7 is not turned on, Make to form negative pressure in exhaust tube 1, exhaust tube 1 is connected with seal box 4, passes through the company of butt hole 10, connecting hole 13 and venthole 15 Logical, sampling cabinet 14 carries out the extraction of liquid, and extraneous chemical liquid into the inlet tube 16 in fluid through-hole 21 by entering sampling In case 14, the position sample complete, then can rotational positioning ring 3, drive link block 11 rotate, make sampling sampling complete take Sample case 14 be detached from the connection of butt hole 10, since link block 11 and 4 lateral surface rotary seal of seal box coordinate, then be detached from it is right After the connection for connecing hole 10, it is at sealing state, and the inlet tube 16 of lower part can be followed and be slid into lock tube groove 20 at this time, The width of lock tube groove 20 is less than the diameter under 16 normality of inlet tube, and squeezing inlet tube 16 makes its compression block, then sampling cabinet 14 Can sampling when rapid liquid inlet, can ensure after the completion of sampling block storage.When locating ring 3 drives link block 11 to start to rotate When, when sampling the sampling cabinet 14 of completion and being just detached from butt hole 10, butt hole 10 be in sealing state, then is in close in seal box 4 Envelope state pushes down on piston 5 at this time, and exhaust tube 1 and 4 inside points gas of seal box are discharged, and is unidirectionally oriented to by check valve 25 Control, piston 5 push when exhaust tube 1 in gas by check valve 25, gas-guide tube 7 and exhaust pipe 9 be discharged, then be restored to Original state then proceedes to rotational positioning ring 3, and the rotation of link block 11 is driven to make next sampling cabinet 14 and the sealing pair of butt hole 10 It connects, then convertible position continues liquid sampling, and the gas in exhaust tube 1 is discharged in this way, it is ensured that every in certain displacement The secondary liquid for extracting sufficient amount.
The utility model can also extract the chemical liquid of bottom well, take sealing-plug 24 in outside, make seal box 4 It is connected by control hole 23 with sealing liquid groove 22, being then rotatablely connected block 11 makes 10 port of butt hole be in sealing state, then Integrally being pushed in into liquid makes 19 bottom end of chassis be contacted with bottom face in pressure vessels for the chemical industry, then the liquid flowing in sealing liquid groove 22 Property it is weaker, and for bottom liquid, then can pull piston 5, by the Liquid extracting in sealing liquid groove 22 to seal box 4 and pumping In tracheae 1, sampling is realized, and opposite can ensure to be sampled as bottom liquid.The extracting mode can also be used for other positions liquid Sampling.
It, equally can be real when below liquid level in addition to removing sealing-plug 24 in advance in outside and then carrying out bottom liquid sampling Now operate, when 10 port sealing of butt hole, the control hole 23 of lower part is uniquely coupled channel, when piston 5 is in high position, this Clamping device etc. outside Shi Liyong blocks 9 port of exhaust pipe completely, then firmly pushes piston 5, then can rely on inside Pressure opens the sealing-plug 24 in control hole 23, then can carry out the sampling of liquid.25 one-way conduction of check valve is imitated and is passed The principle of the pressure water picotan of system is, it can be achieved that in real time to external extract body, and when piston 5 moves up, check valve 25 is not Conducting extracts liquid by control hole 23, then pushes piston 5, then influenced by liquid internal pressure, the gas in exhaust tube 1 By being outwardly discharged after check valve 25, then proceedes to pull up piston 5 and extract more liquid, when pushing piston 5 again, Then liquid can be entered by check valve 25 in gas-guide tube 7, and liquid can be retracted on the outside of eminence by operation repeatedly.To ensure Promotion liquid can be extracted, the one-way conduction valve of unidirectional feed liquor can be installed in control hole 23.
If chassis 19 can be with bottom end seal in container, interior sealing liquid groove 22 is confined space, passes through elastomeric bladder 27 Setting, can be when piston 5 pushes and opens sealing-plug 24, and the compression of elastomeric bladder 27 can conveniently beat in order to sealing-plug 24 Open, when extracting liquid, elastomeric bladder 27 can appropriate intumescent filler space, in order to extract a certain amount of bottom liquid.
Strut 17 and fixed link 18 are Telescopic rod structure, which is conventional structure, and the company of strut 17 and fixed link 18 It is clear in the example shown to connect relationship, those skilled in the art can be clear.

Claims (3)

1. a kind of chemical liquid sampler, it is characterised in that:Including exhaust tube(1), center ring(2)And locating ring(3);Exhaust tube (1)Outer fixing seal is socketed with cylindrical seal box(4);Exhaust tube(1)Lower end and seal box(4)Connection;Exhaust tube(1)It is interior It has been slidably and sealingly connected with piston(5);Piston(5)Middle part is provided with through-hole(6);Piston(5)Upper end is fixedly connected with and through-hole(6)Even Logical gas-guide tube(7);Gas-guide tube(7)End sealing is fixedly connected with pushing board(8);Gas-guide tube(7)Upper side is communicated with row Tracheae(9);Seal box(4)Upper side is provided with butt hole(10);Seal box(4)Outer rotary seal is socketed with link block(11); Link block(11)Each side be provided with the inserting groove of vertical direction(12);Inserting groove(12)Top is provided with and butt hole (10)The corresponding connecting hole in position(13), connecting hole(13)With butt hole(10)Sealing docking cooperation;Inserting groove(12)Interior grafting Sealing is connected with sampling cabinet(14);Sampling cabinet(14)Side surface upper part is provided with and connecting hole(13)Seal the venthole of docking (15), venthole(15)With sampling cabinet(14)Inside connection;Sampling cabinet(14)Lower part is communicated with inlet tube(16);The positioning Ring(3)With center ring(2)Rotation socket cooperation, locating ring(3)With link block(11)Upper end passes through strut(17)It is fixedly connected, in Thimble(2)With seal box(4)Upper end passes through fixed link(18)It is fixedly connected;
Seal box(4)Bottom end is fixedly connected with chassis(19);Chassis(19)Upper end is provided with and inlet tube(16)The corresponding ring in position The lock tube groove of shape(20);Inlet tube(16)With lock tube groove(20)Sliding connection;Chassis(19)Upper end open there are one with Inlet tube(16)Position is corresponding into fluid through-hole(21), into fluid through-hole(21)Side and lock tube groove(20)Connection;Into fluid through-hole (21)With butt hole(10)Upper and lower position corresponds to;Into fluid through-hole(21)Diameter is more than inlet tube(16)Diameter;
Chassis(19)Bottom end is provided with sealing liquid groove(22);Sealing liquid groove(22)Upper end is provided with the control hole of taper(23);Control hole (23)Upper end and seal box(4)Bottom is connected to;Control hole(23)Interior grafting is sealed with sealing-plug(24);Gas-guide tube(7)It is interior Bottom is equipped with check valve(25).
2. a kind of chemical liquid sampler according to claim 1, it is characterised in that:The strut(17)And fixed link (18)It is Telescopic rod structure;The gas-guide tube(7)It is divide into upper part and lower part, and connects up and down for thread seal between two parts It connects.
3. a kind of chemical liquid sampler according to claim 1, it is characterised in that:Sealing-plug(24)Bottom end is connected with drawing Rope(26);Drawstring(26)The other end and sealing liquid groove(22)It is fixedly connected;Sealing liquid groove(22)Medial surface is fixedly connected flexible Capsule(27).
CN201820043072.8U 2018-01-11 2018-01-11 A kind of chemical liquid sampler Expired - Fee Related CN207675492U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820043072.8U CN207675492U (en) 2018-01-11 2018-01-11 A kind of chemical liquid sampler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820043072.8U CN207675492U (en) 2018-01-11 2018-01-11 A kind of chemical liquid sampler

Publications (1)

Publication Number Publication Date
CN207675492U true CN207675492U (en) 2018-07-31

Family

ID=62973511

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820043072.8U Expired - Fee Related CN207675492U (en) 2018-01-11 2018-01-11 A kind of chemical liquid sampler

Country Status (1)

Country Link
CN (1) CN207675492U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108844782A (en) * 2018-08-15 2018-11-20 成都赋阳技术开发有限公司 A kind of sampling of water quality equipment for water quality detection
CN109827810A (en) * 2019-03-26 2019-05-31 中国林业科学研究院 Unmanned plane multichannel water sample acquisition device and method
CN110042052A (en) * 2019-04-26 2019-07-23 中国农业大学烟台研究院 A kind of intelligent monitoring and controlling device of biogas project anaerobic fermentation system
CN111044331A (en) * 2018-10-12 2020-04-21 中国石油化工股份有限公司 Airtight sampling test device of oil recovery process gas
CN112645506A (en) * 2021-01-19 2021-04-13 江西楚杭环保科技有限公司 Decoloration deodorization refuse landfill sewage treatment plant
CN112834277A (en) * 2019-11-22 2021-05-25 北方工业大学 Fluid sampling and sampling airtight interface assembly capable of being continuously used
CN113607503A (en) * 2021-07-27 2021-11-05 大唐珲春发电厂 Gas sampler

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108844782A (en) * 2018-08-15 2018-11-20 成都赋阳技术开发有限公司 A kind of sampling of water quality equipment for water quality detection
CN111044331A (en) * 2018-10-12 2020-04-21 中国石油化工股份有限公司 Airtight sampling test device of oil recovery process gas
CN109827810A (en) * 2019-03-26 2019-05-31 中国林业科学研究院 Unmanned plane multichannel water sample acquisition device and method
CN109827810B (en) * 2019-03-26 2024-01-26 中国林业科学研究院 Unmanned aerial vehicle multichannel water sample collection device and method
CN110042052A (en) * 2019-04-26 2019-07-23 中国农业大学烟台研究院 A kind of intelligent monitoring and controlling device of biogas project anaerobic fermentation system
CN110042052B (en) * 2019-04-26 2022-05-31 中国农业大学烟台研究院 Intelligent monitoring device of biogas engineering anaerobic fermentation system
CN112834277A (en) * 2019-11-22 2021-05-25 北方工业大学 Fluid sampling and sampling airtight interface assembly capable of being continuously used
CN112834277B (en) * 2019-11-22 2023-08-29 北方工业大学 Fluid sampling and delivering closed interface assembly capable of being continuously used
CN112645506A (en) * 2021-01-19 2021-04-13 江西楚杭环保科技有限公司 Decoloration deodorization refuse landfill sewage treatment plant
CN112645506B (en) * 2021-01-19 2022-07-26 江西楚杭环保科技有限公司 Decoloration deodorization refuse landfill sewage treatment device
CN113607503A (en) * 2021-07-27 2021-11-05 大唐珲春发电厂 Gas sampler

Similar Documents

Publication Publication Date Title
CN207675492U (en) A kind of chemical liquid sampler
CN206818456U (en) A kind of portable water-quality sampler
CN204008205U (en) A kind of Sewage Sampler
CN207095903U (en) A kind of malleation reaction kettle sampler
CN206804344U (en) A kind of water body timing sampling device
CN219675565U (en) Water sample sampling device
CN117022879A (en) Hydraulic engineering detects sample storage device
CN109406208A (en) A kind of Sediments sediment collector
CN211487624U (en) Supercritical extraction reaction kettle cover with sealing function
CN202117969U (en) Gasification harm-proof device for oil transportation centrifugal pump
CN107716197B (en) Barometric pressure fountain apparatus
CN207751723U (en) A kind of fracturing fluid positioning and quantitative sampler
CN202133521U (en) Diameter-variable plug
CN208902472U (en) Antifouling paint class material samplers
CN207081583U (en) A kind of negative reaction kettle sampler
CN208688872U (en) A kind of automatically closing sewage sampling case
CN205187837U (en) Connect oily ware
CN208383847U (en) A kind of leaching device of flyash
CN207074125U (en) One kind fixed point water-quality sampler
CN208187764U (en) A kind of quantitative sampling device
CN207308120U (en) A kind of opening and closing device of tube centrifuge chamber door
CN110398396A (en) A kind of aviation fuel thief-sampler syringe
CN206479372U (en) A kind of anaerobic formula water-oil separating sampler
CN208076325U (en) Circulating desorption of mash gas device
CN208426756U (en) A kind of use for laboratory push type filter device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180731

Termination date: 20190111

CF01 Termination of patent right due to non-payment of annual fee