CN201561883U - No-leak liquid sampler - Google Patents
No-leak liquid sampler Download PDFInfo
- Publication number
- CN201561883U CN201561883U CN2009202709873U CN200920270987U CN201561883U CN 201561883 U CN201561883 U CN 201561883U CN 2009202709873 U CN2009202709873 U CN 2009202709873U CN 200920270987 U CN200920270987 U CN 200920270987U CN 201561883 U CN201561883 U CN 201561883U
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- CN
- China
- Prior art keywords
- staving
- piston
- sampler
- connecting rod
- barrel body
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- 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 - Lifetime
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Abstract
The utility model relates to a no-leak liquid sampler, which comprises a barrel body, a piston, a connecting rod and a safety card, wherein the top part of the barrel body is open. A liquid sample inlet with a valve and a liquid sample outlet with a valve are arranged at the bottom part of the barrel body. The piston is arranged in the barrel body. The external periphery of the piston is sealed with the inner wall of the barrel body in a sliding way. The safety card for preventing the piston from running out of the barrel body is arranged at the top part of the barrel body. A through hole is arranged on the safety card at a position in the center of the cross section of the barrel body. The connecting rod penetrates through the through hole and is fixed in the center of the piston. The no-leak liquid sampler is mainly used for sampling hydrocarbon oil or sewage in the petroleum industry and is particularly suitable for sampling crude oil and other liquid containing volatile substances.
Description
Technical field
The utility model relates to a kind of no leakage liquid sampler, particularly a kind of sampler that is used for the hydrocarbon ils or the sewage of petroleum industry.
Background technology
As everyone knows, the analysis of sample at first needs sampling, and for sampling strict requirement is arranged, as GB/T4756-1998 (the manual sampling method of petroleum liquid), and SY/T5317-2006 (the automatic sampling method of petroleum liquid pipeline) etc.Sampling all will relate to sampler, simple sampler, product oil sampler as refinery adopts GB/T4756 to stipulate comprises vial, oil can, plastic bottle, the sampler that increases the weight of, tubular sampler etc., has stipulated the concrete purposes of these liquid samplers in the standard.
In the production or life of reality, often there is the material that is easy to vaporize in the liquid that produces, as the ammonia or the volatile sulfur compounds that may exist in the sewage, sulfuretted hydrogen that exists in the crude oil or mercaptan etc., the main body composition of these systems all is liquid at normal temperatures, but has the dissolved gas that is easy to volatilize.As analyzing overflowing in these liquid (volatilization) gas, just need relate to the representativeness of sample collecting and sample, adopt conventional liquid sampler, in sampling process and in the transportation and storage process of sample, all inevitably exist and reveal or rotten factor.For example, the sulfuretted hydrogen in the needs mensuration crude oil and the content of light mercaptans, crude oil in pipeline or the oil tank is because airtight, these sulfide of dissolving can not evaporate, but when normally sampling, volatile substances just might partly discharge, obviously there is the peculiar smell of sulfuretted hydrogen or mercaptan to overflow, mean the loss of these target-finding things, not only influenced the authenticity of sample, and have a strong impact on sampling work personnel health safety; And for example, in the alkaline residue of oil refinery liquefied gas, contain volatile gaseous matter such as noxious materials such as sulfuretted hydrogen, methyl mercaptan, distribute foul odour, adopt common sampler sampling, also have the loss of poisonous gas, influence the representativeness of sample and sampling personnel's safety.
At different purposes, the patent of many liquid samplers has been arranged, for example: CN1975107A, CN201141301Y, CN201071717Y, US6164389 etc., but all do not relate to strict airtight problem.
The utility model content
At the shortcoming of prior art, the utility model provides a kind of no leakage liquid sampler, and this sampler can guarantee not have leakage from being sampled to sample analysis processing overall process, does not particularly have gas leakage.
A kind of no leakage liquid sampler comprises staving, piston, connecting rod and the safety card of open-top; Wherein, the staving bottom is provided with the fluid sample of band valve and imports and exports, piston is positioned at staving, piston periphery and the slipper seal of staving inwall, the staving top is provided with and prevents that piston from deviating from the safety card of staving, safety card is provided with through hole in the position of staving cross-section center, and connecting rod passes this through hole and is fixed in the piston center.
The utility model is mainly used in the hydrocarbon ils on the petroleum industry or the sampling of sewage, being used in particular for oil well, test satellite location, oil recovery factory, external transport pipeline etc. has the crude oil sample at all positions that need sample of pressure, the crude oil that is particularly useful for volatile substances such as high-hydrogen sulfide, also be suitable for containing the sampling of other types of liquid of effumability material, as be dissolved with diesel oil, the lube cut that contains sulfuretted hydrogen behind the lightweight oil, hydrofining of sulfuretted hydrogen, be dissolved with the sewage of poisonous gas etc.
The utility model provides a kind of sampler that leakage does not especially have gas leakage of not having from be sampled to the sample analysis processing procedure.It can be taken a sample easily, can make again in the preservation process of whole sampling and sample not reveal, and has both guaranteed the authenticity of sample, can protect sampling personnel's health again, can also reduce labour intensity, and clean very convenient.
Description of drawings
Accompanying drawing is the synoptic diagram of a kind of preferred implementation of the present utility model.1 is staving, and 2 is piston, and 3 is connecting rod, 4 safety cards, and 5 fluid samples are imported and exported and valve, 6 piston fixed supports, 7 is operating grip.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing.
A kind of no leakage liquid sampler comprises staving, piston, connecting rod and the safety card of open-top; Wherein, the staving bottom is provided with the fluid sample of band valve and imports and exports, piston is positioned at staving, piston periphery and the slipper seal of staving inwall, the staving top is provided with and prevents that piston from deviating from the safety card of staving, safety card is provided with through hole in the position of staving cross-section center, and connecting rod passes this through hole and is fixed in the piston center.
Described staving is right cylinder, oval cylinder or rectangular parallelepiped, is preferably right cylinder.When staving was right cylinder, the ratio of height to diameter of staving was 1: 1～10: 1, was preferably 3: 1～6: 1.The thickness of staving is decided according to staving material, sampling system pressure and environment for use, and the too thick sampler quality that causes is too big, and too thin then possibility is withstand voltage poor, and staving is yielding, influences moving freely of piston, and the thickness of staving is preferably 0.5～10mm.
The staving bottom both can be provided with separate fluid sample import and fluid sample outlet, a fluid sample also can only be set import and export, a fluid sample preferably only is set import and export, and connect three-way valve, this kind setting can make more convenient operation, and can avoid maloperation.When sample viscosity was higher, T-valve preferably adopted ball valve.The internal diameter size of fluid sample import and export and valve is to guarantee that fluid sample has good flowability and is advisable, and is preferred 〉=5mm, and this kind setting can be very difficult otherwise flow for being that full-bodied fluid sample is most important under probe temperature or normal temperature.
The position that fluid sample is imported and exported can be arranged on any position of staving bottom, is advisable with easy to operate.
Piston periphery and the slipper seal of staving inwall refer to: piston periphery and staving inwall fit like a glove, piston is parallel to the staving bottom, can axially be free to slide along staving, make the piston periphery form relative slipping plane with the staving inwall, this slipping plane has good sealing property, and liquids and gases are not leaked.Described slipper seal can be by material Precision Machining or in the outside of piston the elasticity oil resisting material is installed evenly and is realized.The elasticity oil resisting material can be selected teflon or fluororubber.
The material of piston and staving can be selected in conjunction with the environment for use of prior art and sampler, the compound substance that is preferably carbon steel, stainless steel, wimet, rigid plastic or is made of above-mentioned material.The factor that needs to consider comprises Material Strength and corrosion resistance, sampler will have the intensity of tolerance sampling environmental pressure and not fragile at least, sampler also must tolerate the corrosivity of the fluid sample of getting, as crude corrosively at sulfur-bearing, preferably adopt the 316L stainless steel, or adopt stainless other materials of liner 316L, for inorganic corrosive solution, preferably adopt other materials of rigid plastic or liner rigid plastic.
Described safety card is fixedly installed in the top of staving; can dismantle, safety card is opened a through hole in the position of staving cross-section center, and the aperture just allows connecting rod to pass; its function one is to be used to guarantee that the piston Shi Buhui that moves up deviates from staving, the 2nd, guarantee that piston is parallel to the staving bottom all the time.According to the releasable connection mode of parts in the prior art, can construct numerous safety cards that satisfy above-mentioned functions, one of the simplest form is a right cylinder, and a through hole is opened in the center, and right cylinder is connected with staving top internal thread by external thread.As shown in drawings, safety card also can be a cylindrical staving, and a through hole is opened in the center, and the safety card staving is connected with the sampler staving by bolt.
Connecting rod is fixed in the piston center with releasable connection mode or non-disconnectable connected mode; for further guaranteeing piston plane and staving bottom parallel (with the staving axis normal); can also suitably increase the support of connecting rod and piston again, as shown in drawings, the piston fixed support can be set.The major function of connecting rod is to be used for application piston, also can be at the axial uniform labelling scale of connecting rod, so that indication sampling amount or lofting amount.
Described releasable connection refers to after assembling can be for convenience detach and can not cause the damage of any part, also can reset easily after the dismounting, as be threaded, key connection etc.Described non-disconnectable connection refers to generally no longer dismantle after the assembling, if dismounting often damages some part wherein, as welding, riveted joint etc.
If the volume requirement of sampler is bigger, possible weight is also very big, causes and moves difficulty, can be fixed on other delivery vehicle, as special use sampling car, common trolley etc., also can add one group of support in the sampler bottom.
Claims (9)
1. no leakage liquid sampler comprises staving, piston, connecting rod and the safety card of open-top; Wherein, the staving bottom is provided with the fluid sample of band valve and imports and exports, piston is positioned at staving, piston periphery and the slipper seal of staving inwall, the staving top is provided with and prevents that piston from deviating from the safety card of staving, safety card is provided with through hole in the position of staving cross-section center, and connecting rod passes this through hole and is fixed in the piston center.
2. according to the described sampler of claim 1, it is characterized in that described staving is a right cylinder, the ratio of height to diameter of staving is 1: 1～10: 1.
3. according to the described sampler of claim 2, it is characterized in that the ratio of height to diameter of staving is 3: 1～6: 1.
4. according to the described sampler of claim 1, it is characterized in that, a fluid sample only is set imports and exports.
5. according to the described sampler of claim 1, it is characterized in that described valve is a ball valve, the internal diameter 〉=5mm of fluid sample import and export and valve.
6. according to the described sampler of claim 1, it is characterized in that the compound substance that the material of piston and staving adopts carbon steel, stainless steel, wimet, rigid plastic or is made of above-mentioned material.
7. according to the described sampler of claim 1, it is characterized in that described safety card is connected with the staving top in the releasable connection mode.
8. according to the described sampler of claim 1, it is characterized in that, the piston fixed support is set between connecting rod and the piston.
9. according to the described sampler of claim 1, it is characterized in that the axial uniform labelling scale of connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202709873U CN201561883U (en) | 2009-12-03 | 2009-12-03 | No-leak liquid sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202709873U CN201561883U (en) | 2009-12-03 | 2009-12-03 | No-leak liquid sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201561883U true CN201561883U (en) | 2010-08-25 |
Family
ID=42627031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202709873U Expired - Lifetime CN201561883U (en) | 2009-12-03 | 2009-12-03 | No-leak liquid sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201561883U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095604A (en) * | 2010-11-12 | 2011-06-15 | 北京星达技术开发公司 | Self-absorption crude oil sampler of piston type |
| CN102564795A (en) * | 2011-12-23 | 2012-07-11 | 江西稀有稀土金属钨业集团有限公司 | Liquid and solid-liquid mixture sampler and sampling method |
| CN103226071A (en) * | 2013-04-23 | 2013-07-31 | 国家电网公司 | Main transformer on-load switch dismounting-free rapid sampling apparatus |
| CN103335867A (en) * | 2013-06-03 | 2013-10-02 | 国家电网公司 | Field sampling device special for transformer insulating oil |
| CN103630425A (en) * | 2012-08-23 | 2014-03-12 | 中国科学院海洋研究所 | Pushing-type quantitative stratified sampling apparatus and application method thereof |
| CN103913348A (en) * | 2014-03-18 | 2014-07-09 | 中国科学院新疆生态与地理研究所 | Depth keeping and sampling device used for field observation well and sampling method |
| CN105092310A (en) * | 2015-07-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Oil-tank sampling device and sampling method |
-
2009
- 2009-12-03 CN CN2009202709873U patent/CN201561883U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095604A (en) * | 2010-11-12 | 2011-06-15 | 北京星达技术开发公司 | Self-absorption crude oil sampler of piston type |
| CN102564795A (en) * | 2011-12-23 | 2012-07-11 | 江西稀有稀土金属钨业集团有限公司 | Liquid and solid-liquid mixture sampler and sampling method |
| CN104849089A (en) * | 2011-12-23 | 2015-08-19 | 江西稀有稀土金属钨业集团有限公司 | Liquid and solid-liquid mixed sampler and sampling method |
| CN103630425A (en) * | 2012-08-23 | 2014-03-12 | 中国科学院海洋研究所 | Pushing-type quantitative stratified sampling apparatus and application method thereof |
| CN103630425B (en) * | 2012-08-23 | 2016-06-29 | 中国科学院海洋研究所 | The quantitative layered sampler of pushing-type and using method thereof |
| CN103226071A (en) * | 2013-04-23 | 2013-07-31 | 国家电网公司 | Main transformer on-load switch dismounting-free rapid sampling apparatus |
| CN103226071B (en) * | 2013-04-23 | 2015-11-04 | 国家电网公司 | Main transformer on-load switch exempts from dismounting quick sampling device |
| CN103335867A (en) * | 2013-06-03 | 2013-10-02 | 国家电网公司 | Field sampling device special for transformer insulating oil |
| CN103335867B (en) * | 2013-06-03 | 2015-12-02 | 国家电网公司 | One is exclusively used in transformer insulation oil on-site sampling device |
| CN103913348A (en) * | 2014-03-18 | 2014-07-09 | 中国科学院新疆生态与地理研究所 | Depth keeping and sampling device used for field observation well and sampling method |
| CN105092310A (en) * | 2015-07-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Oil-tank sampling device and sampling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |