CN105738297A - Petroleum liquid sampling photoelectric color comparator and installation and use methods thereof - Google Patents

Abstract

The invention relates to a petroleum liquid sampling photoelectric color comparator and installation and use methods thereof, and relates to the technical field of petrochemical engineering, and the petroleum liquid sampling photoelectric color comparator has the advantages of being multifunctional, precise in structure, reliable in performance, easy and convenient to operate, clean and environmentally friendly.The petroleum liquid sampling photoelectric color comparator is composed of a container system, a plug control system and a rope mechanism.The plug control system is inserted into the container system, the plug control system penetrates through the container system, and the rope mechanism is connected to the top end of the plug control system.The container system comprises a sample bin, a reference bin and a bottom sample bin from top to bottom in sequence, a three-bin combination is formed, and the three bins are connected through threads; or the sample bin and the reference bin form a two-bin combination with the reference bin being inserted into the lower portion of the sample bin in series; or the sample bin and the bottom sample bin form a two-bin combination, the bottom sample bin is connected to the lower portion of the reference bin, and the reference bin and the bottom sample bin are in threaded connection; or only the sample bin is arranged.

Description

Petroleum liquid sampling colour comparatour and installation, using method

Technical field

Petroleum liquid of the present invention sampling colour comparatour and installation, using method relate to a kind of sampling colour comparatour for technical field of petrochemical industry and using method thereof, have multi-functional, precise structure, dependable performance, easy and simple to handle, clean environment firendly feature.

Background technology

Transporting oil products presentation quality inspection before warehouse-in, is the most important thing link of oil quality management.A collection of refined oil, is in harmonious proportion uniformly in oil plant refining, after quality inspection is qualified, its presentation quality as: the presentation quality features such as color, clarity, stickiness, abnormal smells from the patient just it has been determined that do not have obvious sudden change in the short time in normal accumulating situation.But, with the transport of a collection of oil product, to be often injected separately into the oil tank of multiple acknowledgement of consignment oil truck or the cabin of oil carrier, each tank, cabin tankage if cleaning, the quality injecting oil product is pollution-free, in each tank, cabin, the quality of oil product should be identical consistent.Oil product transport arrives after receiving oil depot, takes a point sample in any one tank or cabin of this batch of oil product, and its sample all can be representative, checks its quality results should be able to reappear unanimously.

It was verified that a collection of oil product is after oil plant mediation is uniformly qualified, tank, entrucking marshalling to be turned through scheduling, load onto ship and manage the storage and transport processes such as defeated.Delivery side and recipient are to the involved defeated cleannes turning oil tank equipment, car and boat container, sometimes control cannot be effectively checked before and after charge of oil, sometimes carrier also exists with uncleanly oil transportation tankage transporting oil products, thus the problem occurring polluting acknowledgement of consignment oil product, as: there is residual remaining on board only or not clean up during oil carrier On the Last Voyages shipment diesel oil, chemicals, next voyage shipment motor petrol, can make locally gasoline gum increase, end point temperature rising, residual quantity increase etc. in cargo tank；On the Last Voyages shipment gasoline remaining on board is clean, next voyage shipment diesel oil, and local Flash Point of Diesel temperature in cargo tank can be made to decline；Or in Oil Carrier Transportation way, unsnatch oil before, be artificially in harmonious proportion oil product, exchange water mixing, mix low grade oils.These broadly fall into contaminated product, and the oil product after polluting is if uniform sampled inspection, and oil quality result can occur significantly change to be found.But the oil product majority after polluting is uneven, is likely to press from both sides has slop oil or serious low grade oils in some local space of a collection of uneven oil product.Current oil product sampler all can not accurately take holostrome sample, it is impossible to the presentation quality of on-the-spot testing detection oil product, makes the oil product of existing obvious stigma of degeneracy not be found and cause the accident.A kind of can improve sample representation, petroleum liquid sampling colour comparatour in sampling on-the-spot testing range estimation oil product presentation quality, the oil product of the existing obvious stigma of degeneracy of monitoring it is therefore necessary to design, strengthen the presentation quality monitoring of oil depot and Loss of Oil Products at Gas Station.

Summary of the invention

It is an object of the invention to, for above-mentioned weak point, a kind of liquid petroleum liquid sampling colour comparatour and installation, using method are provided, by improving samples' representativeness, strengthen and identify uneven, to have quality accident risk oil product, and corresponding using method solves the user demand of reality.

Petroleum liquid sampling colour comparatour takes techniques below scheme to realize:

Petroleum liquid of the present invention sampling colour comparatour is made up of containment system, plug Ore-controlling Role and rope mechanism；

Be inserted with plug Ore-controlling Role in the inside of containment system, plug Ore-controlling Role runs through containment system, is connected to rope mechanism on the top of plug Ore-controlling Role.

Described containment system includes: sample bin, reference storehouse and original pattern storehouse, is followed successively by sample bin, reference storehouse and original pattern storehouse from top to bottom, forms three storehouse combinations, passes through thread connection between three storehouses；Or sample bin and reference storehouse, the bottom being connected on sample bin is inserted in reference storehouse, and the double; two storehouses forming sample bin and reference storehouse are combined；Or double; two storehouses combination in sample bin and original pattern storehouse, it is connected below original pattern storehouse in reference storehouse, between two storehouses, passes through thread connection；Or sample warehouse receipt storehouse is only set, sample bin lower cover sets external screw thread, it is possible to couple with funnel.

Sample bin includes handle, upper cover one, sleeve pipe one, gusset piece one, connecting tube one, lower cover one, cushion rubber one；Described sleeve pipe one is hollow and the parallel long tube of upper lower section, upper section at sleeve pipe one is separately installed with upper cover one and lower cover one with lower section, it is lined with rubber sealing one between upper cover one, lower cover one and sleeve pipe one, upper cover one and lower cover one are provided with through hole, through hole includes two through holes that the upper piston set being positioned at upper cover one center is less with upper piston set edge, it is internal that through hole is positioned at sleeve pipe one, is provided with the connecting tube one of hollow between upper cover one and lower cover one；Connecting tube one is linked together by inside and outside two casing threads and forms, and the lower end of connecting tube one is connected with connecting rod one by gusset piece one；The upper end of connecting tube one is connected with connecting rod two；Connecting tube one tail end stretches into the inner chamber of siphunculus, connecting tube one be arranged below extended end, extended end install screw rod；The sample bin outlet for going out liquid is offered between the inwall of lower cover one and middle piston bush；Offering on upper cover one and run through upper piston set for the sample bin import of feed liquor, sample bin import, upper cover one outer wall sets screw thread and couples with funnel, is provided with O-ring seal one between upper cover one and funnel；Being inserted with screw rod in less through hole, connecting tube three is stretched on the top of screw rod, and the lower end of connecting rod three is connected in lower cover one.

Upper surface at upper cover one is provided with suspension bracket, and suspension bracket is movably installed with handle.

Upper cover one can be placed transparent hurricane globe.

Reference storehouse includes upper cover two, connecting rod, height groove, sleeve pipe two, connecting tube two, lower cover one, cushion rubber, thermometer socket, thermometer boss, thermometer；Height groove is shown as the 1/2 of sample bin height.

Described sleeve pipe two is hollow and the parallel long tube of upper lower section, upper section at sleeve pipe two is separately installed with upper cover two and lower cover one with lower section, upper cover two and lower cover one are provided with through hole, it is internal that through hole is positioned at sleeve pipe two, and the circle centre position being positioned at lower cover one in through hole is provided with the connecting tube two of hollow；Connecting tube one it is cased with in connecting tube two；Connecting rod upper end sets screw thread and is connected with upper cover one；Upper cover two is provided with opening, upper piston is provided with thermometer socket, thermometer socket has the thermometer socket cushion rubber for sealing, thermometer socket is provided with thermometer boss, thermometer socket and thermometer boss are the through hole of concentric, and thermometer boss is inserted into thermometer.

Original pattern storehouse includes upper cover three, sleeve pipe three, connecting tube three, funnel connecting tube, platen three, lower cover three, cushion rubber three, cushion rubber four, the import and export of original pattern storehouse, lower piston set.

Described sleeve pipe three is hollow and the parallel long tube of upper lower section, upper section at sleeve pipe three is separately installed with upper cover three and lower cover three with lower section, cushion rubber three sealing it is lined with respectively between upper cover three, lower cover three and sleeve pipe three, upper cover three and lower cover three are provided with through hole, it is internal that through hole is positioned at sleeve pipe three, is provided with the connecting tube three of hollow between upper cover three and lower cover three；Female thread is set at connecting tube three tail end siphunculus, the lower section of upper cover three, the epimere of connecting tube three is provided with platen three, the tail end female thread of connecting tube three and lower piston put thread connection, the middle part of lower piston set is provided with opening, opening is that original pattern storehouse is imported and exported, and the bottom overlapping inwall at lower piston sets groove for installing cushion rubber four；

The amount of being provided with water height gauge between the inside in original pattern storehouse, upper cover three and lower cover three.

Described plug Ore-controlling Role includes rope hook controlling organization, connecting tube one, sample speed lid, upper piston mechanism, middle piston mechanism, lower piston mechanism.

It is connected above disk in connecting tube one, disk is round-meshed disk, disk connects connecting rod, connecting rod upper end is connected to upper piston mechanism, the lower end of disk connects screw rod by screw, and screw rod is connected with middle piston mechanism by bolt, offers slotted eye on the top of lower piston mechanism, and at the necking segment that is arranged above of slotted eye, the pallet being provided above lower piston mechanism of necking segment.

Rope hook controlling organization is made up of rope hook, pipe cap, spring, pogo barrel, push rod, lock tube；The hook and slot that the middle part of pogo barrel has axial section to be hooklike aperture；Pogo barrel upper end be provided with pipe cap, pogo barrel intracavity equipped with spring, one end of spring heads on the inwall of pipe cap, the other end push K shape push rod；Under lock open state, rope hook enters hook and slot, being stuck in the middle part of K shape push rod, pogo barrel lower end is equipped with external screw thread, and the bottom of pogo barrel opening is provided with lock tube, sample speed lid is installed on the top of upper piston central point, sample speed lid is screwed spiral cover, and sample speed lid can pass through to rotate to regulate height, and becoming a difference in height by the liquid-inlet arranged on the upper cover one on sample bin with sample speed cap-shaped is the space of H, regulate the height of height difference H by regulating sample speed lid, and then regulate sample introduction speed；Screw sample speed lid, it is possible to keep upper piston, middle piston to be in top dead centre state, the import and export that airtight sample bin is upper and lower.

Plug Ore-controlling Role is disposed with upper piston mechanism, middle piston mechanism and lower piston mechanism from top to bottom along same axle center.

Upper piston in plug Ore-controlling Role, middle piston, lower piston system are enclosed within sample bin, reference storehouse and original pattern storehouse and slide axially, and sliding stroke has top dead centre state, lower dead center state, three kinds of duties of parallel dotted state；Plug Ore-controlling Role controls the import and export in sample bin and original pattern storehouse, and the liquid in-out of reference Hatch Opening and aerofluxus are through sample bin import；Plug Ore-controlling Role respectively with the upper cover one in sample bin, the upper cover three in original pattern storehouse is provided with air inlet/outlet one.

Upper piston mechanism includes upper piston, upper piston, disk external diameter less than the internal diameter of upper piston trepanning, the up insertion upper piston set of upper piston, in closure state, plays the effect of sealed sample storehouse import；Upper piston is provided with through hole dress thermometer socket；Upper piston center set through hole can be connected with pogo barrel, in thermometer socket arrange sleeve pipe be inserted into thermometer or densimeter.

Middle piston mechanism includes middle piston, and middle piston bush and middle piston support the use, and middle piston is arranged in piston bush, and middle piston includes bolt, screw rod；

Middle piston mechanism is arranged in inside the middle piston bush of sample bin, middle piston bush is additionally provided with sample bin outlet, middle piston is formed by bolt combination by upper and lower two piston blocks, is connected to screw rod from top to bottom in the center of middle piston, piston ring connected in star in the middle part of middle piston is provided with；Being provided with the middle piston bush cushion rubber sealed in middle piston bush, middle piston bush cushion rubber coordinates with middle piston ring connected in star；Middle piston slides in middle piston bush.

Lower piston mechanism includes lower piston；The top of lower piston outer wall offers air inlet/outlet, and bottom offers lower piston annular groove；Lower piston set has been supported the use with lower piston, lower piston is positioned at lower piston set, lower piston set is positioned at the through hole of lower cover three, and lower piston set includes lower piston set through hole, lower piston puts screw thread, the lower screw thread of lower piston set, lower piston collar-shaped groove, lower piston set cushion rubber；The annular groove of lower piston end is that original pattern storehouse is imported and exported, and passes in and out original pattern storehouse for liquid.

Rope mechanism is made up of becket bridle, sampling rope, length digit plate, sampling rope one end be connected on rope hook, the other end is connected to becket bridle, sampling rope on be provided with length digit plate several, can reading the length releasing sampling rope, when storage, sampling rope coiling is in becket bridle.

Described sleeve pipe one, sleeve pipe two, sleeve pipe three adopt glass, copper, aluminum, rustless steel transparent plastic or engineering plastics.

Petroleum liquid sampling colour comparatour can select the mode of multiple installation, including: the installation in sample warehouse receipt storehouse；Sample bin and reference storehouse, or double; two storehouses combination installation in sample bin and original pattern storehouse；The three storehouse combinations in sample bin, reference storehouse and original pattern storehouse are installed.

The dismounting of single storehouse and combination

Sample bin, reference storehouse and these three storehouse, original pattern storehouse can individually be dismantled and combine installation,

The lower end of the lower cover arranged on bottom sample bin or reference storehouse is also respectively provided with external screw thread one and external screw thread two, and external screw thread one is used for connecting funnel, and external screw thread two is used for connecting funnel connecting tube.

During sample warehouse receipt storehouse, connecting each parts of sample bin, in order to meet transferring oil tank car, nozzle releases oil sample, the needs of range estimation oil sample presentation quality, being provided with external screw thread at sample bin upper cover one, can couple with funnel, the sealing between funnel and sample bin upper cover one uses cushion rubber；Funnel also is able in sample bin lower end couple with lower cover one external screw thread, takes fixed point fast and easy when holostrome sample or tank outlet liquid level sample.

The dismounting of many storehouses and combination

Double; two storehouses are combined；One is sample bin and the combination of reference storehouse.Lower cover one is inserted in the lower end of sleeve pipe two, socket reference storehouse, upper end upper cover two, reference storehouse upper cover two is inserted in the lower end of sleeve pipe one, sample bin upper cover one on the upper end cover of sleeve pipe one, couples with screw rod with the through hole less on the upper cover one of sample bin of the threaded upper ends of connecting rod and screws；Stopper rod is controlled system by sample bin upper cover one again, make the connecting tube one of the hollow of insertion be connected with middle piston and screw rod；Two is sample bin and the combination of original pattern storehouse, after sample bin couples, then by original pattern storehouse, by the threaded upper ends of funnel connecting tube and thread connection under middle piston bush；Unclamp screw rod, detachably separate sample bin and reference storehouse；Unclamp screw rod to be removed or placed into being overlapped from upper piston by plug Ore-controlling Role.

Three storehouse combinations；When sample bin and reference storehouse, the combination of original pattern storehouse, after sample bin couples with double; two storehouses combination in reference storehouse, then the original pattern storehouse being connected will be combined, with the threaded upper ends of funnel connecting tube and thread connection under middle piston bush.

Duty (Yi Sancang is combined as example)

Top dead centre state: rope hook is hooked in hook and slot, rope hook makes plug Ore-controlling Role up, and upper piston inserts in upper piston set；Meanwhile, in the insertion of middle piston stroking upward in piston bush, in the up laminating in middle piston ring connected in star lower surface below piston bush cushion rubber, the sample export of piston bush in closedown, cushion rubber seals；Lower piston is descending, and above the descending laminating lower piston set cushion rubber in lower piston annular groove upper surface, the sample closing lower piston set is imported and exported, and cushion rubber seals；Now Close All is imported and exported in the liquid-inlet on sample bin, original pattern storehouse.

Lower dead center state: rope hook is hooked in hook and slot, arrives sample position, lifts up rope hook and be about 10-30 centimetre of dramatic decrease 10-30 centimetre again.Rope hook moment loses pulling force, and after ejecting hook and slot, automatic clamping is stopped handle, and plug Ore-controlling Role vertically declines because of deadweight after departing from rope hook, and upper piston declines, and time in the descending laminating in central piston ring connected in star upper surface above piston bush cushion rubber, stops decline and is lower dead center；Meanwhile, lower piston annular groove upper surface still fit lower piston set cushion rubber above；Now, the liquid-inlet of sample bin is opened in sample introduction state, and meanwhile, sample bin outlet, original pattern storehouse are imported and exported in closed mode.

Parallel dotted state: rope hook is hooked on handle.Rope hook, plug Ore-controlling Role is in lower dead center state because of deadweight decline, and when putting down petroleum liquid sampling colour comparatour, the end of lower piston is first subject to the counteracting force of bottom and stops declining, drop to parallel with the end of lower piston when petroleum liquid samples colour comparatour storehouse seat end, be parallel dotted state；Now, lower piston annular groove upper surface is imported and exported higher than original pattern storehouse, and cushion rubber is overlapped lower than lower piston in lower piston annular groove lower surface, and original pattern storehouse is imported and exported the passage of 40-2 and opened, and air inlet/outlet is opened simultaneously.

Parallel dotted state only could realize when same level at the end of the end of original pattern storehouse or sample bin with lower piston or middle piston.

The using method of petroleum liquid sampling colour comparatour include point sample sampling, the sampling of omnidistance sample, bottom sampling, survey in the sampling of water height, oil product temperature measuring, oil density mensuration and the mensuration of oil product bubble collapse time any one or multiple；Its using method is as follows:

1.1 scopes

Colour comparatour is sampled with reference to GB/T4756 " petroleum liquid hand sample method " with petroleum liquid, standing tank, tank car, road tank vehicle, boats and ships, bucket fluid sample can be gathered, high the measuring of petroleum liquid container bottom water, oil product temperature measuring, oil density measures, gasoline bubble extinction time measures, the inspection of elementary cell sample appearance quality, the uniformity matching identification of appearance color between elementary cell sample.

Petroleum liquid that this method specifies sampling colour comparatour, it is possible to for be similar to the sampling of petrochemicals of petroleum liquid, container bottom water high measure, temperature measuring, density measurement, presentation quality visual inspection identification.

The using method of petroleum liquid sampling colour comparatour includes point sample sampling method, holostrome sample sampling method and bottom sample sampling method；

1.2 point sample samplings

Open sample bin import.Backspin lock tube keeps hook and slot unimpeded.Upper rotation sample speed lid is to top, and the speed making sample introduction is maximum.Rope hook inserts hook and slot, and rope hook makes plug Ore-controlling Role vertical ascent to top dead centre.Petroleum liquid is sampled colour comparatour and carefully at the uniform velocity puts into trapped fuel container downwards, needed for sample bin import arrives, liquid is deep, within 0.5 second, lift up rope hook be about 15cm and decline again about 15cm, make petroleum liquid sampling colour comparatour instantaneous weight loss, rope hook is ejected hook and slot and hooks handle, plug Ore-controlling Role declines because of deadweight and opens sample bin import, until entering full sample.

Take oil product in trapped fuel container as stated above, after washing petroleum liquid sampling colour comparatour and sample bottle meet the requirements to cleannes, then press spotting methods sampling, prepare reference sample.

1.3 holostrome sample samplings

Suitably regulate downwards sample speed lid, sample bin inducer flow area can be reduced, extend sample injection time, meet the time requirement taking holostrome sample.Lower lock tube to extreme lower position, make hook and slot unimpeded, when opening sample bin import, it is ensured that rope hook can be deviate from from hook and slot.Take holostrome sample from bottom to up, sample colour comparatour with suitable average rate decline petroleum liquid, to the top position of tank bottoms water height interface, open sample bin import, move up and take holostrome sample, by consistent speed when not pausing, promote petroleum liquid sampling colour comparatour and return out liquid surface.

When promoting petroleum liquid sampling colour comparatour from liquid, select its translational speed, make the sample bin of petroleum liquid sampling colour comparatour fill 80%, but less than 90%.Careful setting-out product are in sample bottle immediately.

When regaining omnidistance petroleum liquid sampling colour comparatour from liquid, if filling less than 90%, then can be assumed that petroleum liquid sampling colour comparatour is during by pot liquid, oil product has flowed into petroleum liquid sampling colour comparatour from all degree of depth.If filled to more than 90%, then sample is likely to under-represented, should discard taken sample, and with promoting speed faster, or lower sample speed lid prolongation sample injection time sub-sampling again.

Sample sampling bottom 1.4

Petroleum liquid sampling colour comparatour after entering sample of working to the last minute, continue to put down, until its be vertically still in tank bottoms on.Petroleum liquid sampling colour comparatour is proposed after full sample is entered in original pattern storehouse.

To the sample needing quantitative testing original pattern constituent mass, answer its leakage scenarios of close inspection, during as found that seepage affects mass component ratio, this sample should be abandoned, clean up original pattern storehouse sub-sampling again.

1.5 survey the sampling of water height

1.5.1 operating procedure

Rope hook is hooked in hook and slot, raises lock tube and blocks hook and slot, stops rope hook to deviate from (the petroleum liquid sampling colour comparatour for the combination of sample warehouse receipt storehouse or sample bin and the combination of reference storehouse) from hook and slot.

Put down petroleum liquid sampling colour comparatour be vertically still in tank bottoms on, keep rope hook relaxed state, 2～3min is waited after moisture original pattern enters original pattern storehouse, after the water high balance inside and outside in original pattern storehouse is consistent, close original pattern storehouse by rope hook lifting plug Ore-controlling Role to top dead centre, drive petroleum liquid sampling colour comparatour to return to tank face.The method increase the ability that opposing impurity jam original pattern storehouse is imported and exported.

Propose petroleum liquid sampling colour comparatour and keep vertical, reading the water of sample high (mm) in transparent glass container, reading accurate to 0.5mm.With separately join ruler measure water height time, sample the baseplane of colour comparatour lower cover three for 0mm starting point with petroleum liquid, with the lower edge height of oil water surface for the high numerical value of water.With this method can the water of quantitative measurement gas station oil tank 11mm to 55mm high, the water of stock tank 11mm to 200mm is high.

1.5.2 calculate

The meansigma methods high to repeat double measurement water, as the result that water in trapped fuel container is high.

1.5.3 precision

The difference that secondary repeated measure water is high should be not more than 1mm.

1.6 oil product temperature-measuring methods

With the sampling colour comparatour that can be inserted into thermometer, when oil product thermometric sample point takes full oil sample, 5min is stopped again by the method measuring oil temperature, sampling colour comparatour is proposed, read volume oil temperature ga(u)ge indicating value, after record oil temperature indicating value, the sample in sampling colour comparatour is carried out presentation quality visual inspection, processes taken sample.The measurement result of oil temperature is calculated by the requirement of oil metering method.

1.7 oil density assay methods

1.7.1 scope

By GB/T1884 density measurement method, the density measurement to volatile petroleum products such as gasoline.

1.7.2 principle

Oil measurement sampling colour comparatour, is provided with the device measuring oil product temperature and density, when the sleeve pipe one of device, sleeve pipe two or sleeve pipe three adopt glass tubing or transparent plastic to make.The function taking point sample and holostrome sample is possessed during sampling.There is when checking oil product presentation quality the effect of glass color comparison tube.Densimeter graduated cylinder can be worked as when measuring density.In storage-transport vessel, take out sample, be the original container of sample, put into glass density meter and thermometer can directly measure the density of sample.

1.7.3 indignant state

With oil measurement sampling colour comparatour sampling, measure the density of the volatile petroleum products such as gasoline, can at sampling scene or experimental determination, decrease multiple operation link affecting density, time saving and energy saving, improve the accuracy of oil metering, meet GB/T4756, GB/T1884 following requirement about volatile products sampling and density measurement:

1 when gathering the sample of volatile oil and product, if the loss of light component have to be avoided, the such as mensuration of density, vapour pressure or boiling range, then must not shift from sample original container, combine or cumulative sample (see GB/T4756 petroleum liquid hand sample method 7.2.3.1).

2 for reducing the loss of light component, and sample should mix in original container and closed system.Note: mixed volatilization sample will cause that light component is lost in open containers, and the density value (see GB/T1884 densitometry 7.1.1) recorded will be affected.

3 when density value is to measure for bulk oil, measures density in bulk oil temperature or at bulk oil ± 3 DEG C.The error (see GB/T1884 densitometry 7.2) of oil volume correction can be reduced.

4GB/T1884 densitometry 9 instrument prepares.Make densimeter graduated cylinder and densitometric temperature close to the temperature (see GB/T1884 densitometry 7.2.1 and note 2 thereof) of sample.

1.7.4 oil density assay method

With oil measurement sampling colour comparatour, by oil sampling and temperature-density measurement requirement, when the sample point of trapped fuel container takes full oil sample, rest on this sample point >=5min, Deng sampling colorimetric appearance device in, the temperature of outer oil product identical consistent time, sampling colour comparatour is proposed, screw sample speed lid, it is vertically disposed on platform, pogo barrel is taken out from the upper piston centre bore of sampling colour comparatour, put into gauging densimeter (when there is wind at scene, upper cover at sampling colour comparatour, transparent hurricane globe on cover), by the GB/T1884 that oil product standard is specified, GB/T1885 determination of test method oil product temperature and density.

1.8 oil product presentation quality uniformity assessments

1.8.1 visually rank is sampled

Carrying petroleum liquid sampling colour comparatour, sample by cabin with batch each car, ship oil product, each cabin sample and the presentation quality of sample in reference storehouse are estimated in comparison: color, clarity, water are assorted, whether stickiness, abnormal smells from the patient etc. are identical consistent.Identical consistent time, the presentation quality that can be evaluated as this batch of oil product is uniform；When differing, the presentation quality that should be evaluated as this batch of oil product is uneven.

1.8.2 sample treatment

Original pattern storehouse sample treatment.Sample in original pattern storehouse is through the detection of presentation quality, it is necessary to during Collection and conservation bottom sample, can promote lower piston, imports and exports from original pattern storehouse and releases original pattern in sample bottle, otherwise puts back in the container of former trapped fuel product.

Sample shifts.Sample in sample bin and original pattern storehouse, can sample the bottom setting-out mouth of colour comparatour from petroleum liquid respectively and release (can not simultaneously setting-out, it is prevented that two storehouse samples mix mutually).

Reference storehouse sample treatment.After each elementary cell sample of comparison, the import and export in reference storehouse pour out.Detection car and boat unload the reference sample of front oil product presentation quality, it is possible to keep in Dark Place in reference storehouse one day, are discharged into the presentation quality receiving tank oil product for Determination.

Sample bin sample treatment.When preparing point sample, sample is individually shifted the empty sample bottle being placed on a cleaning；

When preparing Composite sample, it is to be determined to the amount of ratio is transferred in the combined sample bottle of cleaning；When preparing reference sample, same batch of oil product to be taken is multiple elementary cell, and the sample taken by head in elementary cell (with any one elementary cell in criticizing) reference storehouse is built airtight, as the standard sample of the reference such as color, clarity.

To representational sample, should preserve and inspection by regulation approved sample.To uneven oil product, should sample according to the regulation of uneven oil sampling method and inspection.Gather non-homogeneous fluid sample with the sampling method of uniform liquid and can directly affect the representativeness of sample.

1.9 oil product bubble collapse chronometries

1.9.1 scope

This method can be used for motor petrol, vehicle-use alcohol gasoline, vehicle-use alcohol gasoline blending component oil, the mensuration of aviation gasoline bubble collapse time, is particularly suited for the mensuration of gas station's gasoline bubble extinction time.

1.9.2 meaning

Meeting the normal gasoline of existing quality standard, the extinction time of bubble is general all at about 2 to 3 seconds, when quality of gasoline be contaminated, go bad, the increase of viscosity colloid time, the extinction time of its bubble can extend significantly.The time of gasoline bubble collapse, increasing by 1 second than same kind specification gasoline, usual gum level is defective, can affect petrolic normal operation.This feature is applied to the quality examination at last critical point before gas station sells oil, for preventing the oil product of accident hazard from setting off, it is ensured that oil product safe operation, has important meaning.

1.9.3 equipment

Petroleum liquid sampling colour comparatour, transparent glass tube interior diameter 45mm ± 2mm, or transparent glass tube interior diameter 60mm ± 2mm, clear glass goods, transparent glass container, bubble collapse time detector.

Timer: stopwatch, minimum division value 0.01 second.

1.9.4 sample

To oil sampling in the trapped fuel container of needs detection, after presentation quality checks, releasing half sample in sample bin, keeping sample liquid level, to sample bin 1/2 height groove place, is used for measuring the extinction time of bubble.

1.9.5 the mensuration of bubble collapse time

1 prepares.Place beyond one meter of gasoline cistern tank mouth, part below the sample liquid level of portable petroleum liquid sampling colour comparatour, keep its axial line vertical.

2 measure., position height vertical at maintenance portable petroleum liquid sampling colour comparatour is constant, amplitude with about 10 centimetres, the front and back of level, with the micro-power shake of the equilibrium of push-and-pull reciprocation type, come and go shake for once every time, the speed shake of five times is shaken altogether with about 1.5 seconds, manual time-keeping is started while the 5th shake terminates, note the extinction time observing sample liquid level bubble, when last bubble collapse of sample liquid level, stop stopwatch immediately, reading accurate to 0.01 second, record bubble produced to the time disappeared.

3 calculate.Replication five times, with the arithmetic mean of instantaneous value of the extinction time of five bubbles, as the measurement result of sample bubble extinction time.

4 precision.Same operator, with same sample under identical temperature conditions, the difference of two results of replication, not should be greater than 0.20 second.

5 reports.The measurement result of gasoline bubble extinction time, retains two decimals.Take the arithmetic mean of instantaneous value of two results of replication, as the bubble collapse time of sample.

Compared with the sampling equipment currently used with on market, present invention have the advantage that

1, the speed scalable of sample introduction.It is equipped with sample speed lid, it is possible to regulate sample introduction speed, remain turned-off the import and export in sealed sample storehouse, it is adaptable to taking holostrome sample from bottom to up, the scope of sampling is wide.

2, it is equipped with lock tube and controls the opening and closing of hook and slot, use flexibly.

3, it is equipped with coaxial setting-out mouth.The sample in sample bin and original pattern storehouse, can shift discharge simultaneously or individually successively shift discharge respectively；Sample bin setting-out passage is the axle center hole setting-out mouth of middle pistion recess, funnel connecting tube, lower piston；The access way of original pattern storehouse sample is the outer wall end groove port of the import and export of original pattern storehouse, lower piston.

4, the length scale division value measuring water height chi is 1mm/ calibration or 0.5mm/ calibration, the high indicating value of readable water intaking, and amount water height chi in connecting rod, can read relevant parameter intuitive and convenient.

5, rustless steel rope mechanism diameter is the soft rustless steel of 0.5 ~ 2mm, every the length separation of 0.5m or needs, is equipped with the length digit plate of a flat ellipse soft metal, reads setting-out degree of depth intuitive and convenient.

6, the becket bridle cylindrical of rope mechanism is equipped with groove, and stainless steel silk rope mechanism is looped around in the groove of becket bridle, and during use, folding and unfolding is simple, not oil suction, not perverse hands, is not wound around, volume is little, lightweight, sampling fixed point accurately.

7, the inner ring surface coaxial line of the plug upper, middle and lower portion coaxial package cylinder upper piston of Ore-controlling Role, middle piston, lower piston, the outer ring surface of piston and piston bush is slidably matched.During sampling, fill in the up pulling force being dependent on rope mechanism upwards of Ore-controlling Role, utilize time descending plug Ore-controlling Role from gravity, rely on the counteracting force of sampled container bottom when parallel, use simple.

8, the outer ring surface of upper piston can be inserted in upper piston set, acts the effect closing sample bin import.

9, middle piston bush apertured exports as sample bin, the middle and lower part of middle piston sets annular groove, and groove, hole are relatively with time high, and the outlet of sample bin is open-minded, the lower inner wall of middle piston bush sets annular groove and installs rubber sealing and location, and lower piston set is similar to the structural principle of middle piston bush.

10, the lower inner wall of lower piston set sets annular groove and installs rubber sealing and location, and cushion rubber top is the lower dead center locating surface that plug Ore-controlling Role is descending, and cushion rubber bottom is the top dead centre locating surface that plug Ore-controlling Role is up；The outer wall end of lower piston sets annular groove, and groove is suitable for reading is lower dead center with the plug descending cushion rubber top that fits to of Ore-controlling Role, and groove end opening is top dead centre with the plug up cushion rubber bottom that fits to of Ore-controlling Role.

11, petroleum liquid sampling colour comparatour arranges sample bin, reference storehouse, original pattern storehouse, take point sample or holostrome sample, bottom sample in each elementary cell, survey water is high, measure oil temperature, measure density, the presentation quality of sample, mensuration oil product bubble collapse time are estimated in comparison, can a step complete, accurately, efficiently.

12, sample bin is covered with funnel, it is possible to access the oil product of transferring oil tank car, fuel charger, the presentation quality of visual inspection oil product；By funnel and sample bin lower cover thread connection, take fixed point fast and easy when holostrome sample or tank outlet liquid level sample.

Accompanying drawing explanation

Below with reference to accompanying drawing, the invention will be further described

Fig. 1 is the structural representation (sample bin, reference storehouse and the combination of storehouse, original pattern storehouse three, sample bin top is connected to funnel, and inserts thermometer) of petroleum liquid of the present invention sampling colour comparatour.

Structural representation when Fig. 2 is that transparent hurricane globe installed by petroleum liquid of the present invention sampling colour comparatour on upper cover one and lower end, reference storehouse is connected to funnel (sample bin and the double; two storehouses combination of reference storehouse, and insert thermometer and densimeter).

Fig. 3 is the structural representation (sample bin and the combination of reference storehouse, lower end, reference storehouse is connected to funnel, and inserts thermometer) of petroleum liquid of the present invention sampling colour comparatour.

Structural representation when Fig. 4 is that in petroleum liquid of the present invention sampling colour comparatour, sample bin is connected to funnel in upper end.

Structural representation when Fig. 5 is that in petroleum liquid of the present invention sampling colour comparatour, reference storehouse and sample bin tail end link together.

Fig. 6 is the structural representation in original pattern storehouse in petroleum liquid of the present invention sampling colour comparatour.

Structural representation when Fig. 7 is that in petroleum liquid of the present invention sampling colour comparatour, the upper piston in plug Ore-controlling Role, middle piston and lower piston link together.

Fig. 8 is thermometer boss, thermometer socket structural representation when inserting upper piston central point and between upper piston in petroleum liquid of the present invention sampling colour comparatour.

Fig. 9 is the sectional structure schematic diagram of upper cover one in petroleum liquid of the present invention sampling colour comparatour.

Figure 10 is the sectional structure schematic diagram of lower cover one in petroleum liquid of the present invention sampling colour comparatour.

Detailed description of the invention

Referring to figs. 1 through Figure 10 it can be seen that petroleum liquid of the present invention sampling colour comparatour is made up of containment system, plug Ore-controlling Role and rope mechanism；

Be inserted with plug Ore-controlling Role in the inside of containment system, plug Ore-controlling Role runs through containment system, is connected to rope mechanism on the top of plug Ore-controlling Role.

Described containment system includes: sample bin, reference storehouse and original pattern storehouse, is followed successively by sample bin, reference storehouse and original pattern storehouse from top to bottom, forms three storehouse combinations, passes through thread connection between three storehouses；Or sample bin and reference storehouse, the bottom being connected on sample bin is inserted in reference storehouse, and the double; two storehouses forming sample bin and reference storehouse are combined；Or double; two storehouses combination in sample bin and original pattern storehouse, it is connected below original pattern storehouse in reference storehouse, between two storehouses, passes through thread connection；Or sample warehouse receipt storehouse is only set, sample bin lower cover sets external screw thread, it is possible to couple with funnel 2-1.

Referring to Fig. 1-Fig. 5 and Fig. 9-Figure 10 it can be seen that sample bin includes handle 1, upper cover 1, sleeve pipe 1, gusset piece 1, connecting tube 1, lower cover 1, cushion rubber 1；Described sleeve pipe 1 is hollow and the parallel long tube of upper lower section, upper section at sleeve pipe 1 is separately installed with upper cover 1 and lower cover 1 with lower section, it is lined with rubber sealing 1 between upper cover 1, lower cover 1 and sleeve pipe 1, upper cover 1 and lower cover 1 are provided with through hole, through hole includes being positioned at the upper piston set 2-4 of upper cover one center and two through holes that upper piston set 2-4 edge is less, it is internal that through hole is positioned at sleeve pipe 1, is provided with the connecting tube 1 of hollow between upper cover 1 and lower cover 1；Connecting tube 1 is linked together by inside and outside two casing threads and forms, and the lower end of connecting tube 1 is connected with connecting rod one 7-3 by gusset piece 1；The upper end of connecting tube 1 is connected with connecting rod two 2-5；Connecting tube 1 tail end stretches into the inner chamber of siphunculus 7-3, connecting tube 1 be arranged below extended end, extended end install screw rod 41；The sample bin outlet 7-2 for going out liquid is offered between the inwall of lower cover 1 and middle piston bush 7-1；Offering on upper cover 1 and run through upper piston set 2-4 for the sample bin import 2-3 of feed liquor, sample bin import 2-3, upper cover 1 outer wall sets screw thread 2-6 and couples with funnel 2-1, is provided with O-ring seal one 2-2 between upper cover 1 and funnel 2-1；Being inserted with screw rod 2-8 in less through hole, connecting tube three 10-1 is stretched on the top of screw rod 2-8, and the lower end of connecting rod three 10-1 is connected in lower cover 1.

Upper surface at upper cover 1 is provided with suspension bracket, and suspension bracket is movably installed with handle 1.

Upper cover 1 can be placed transparent hurricane globe 13-1.

Referring to Fig. 1-Fig. 3 and Fig. 5 it can be seen that reference storehouse includes upper cover 2 10, connecting rod 10-1, height groove 10-3, sleeve pipe 2 11, connecting tube 2 12, lower cover 1, cushion rubber 17, thermometer socket 16, thermometer boss 18, thermometer 18-1；Height groove 10-3 is shown as the 1/2 of sample bin height.

Described sleeve pipe 2 11 is hollow and the parallel long tube of upper lower section, upper section at sleeve pipe 2 11 is separately installed with upper cover 2 10 and lower cover 1 with lower section, upper cover 2 10 and lower cover 1 are provided with through hole, it is internal that through hole is positioned at sleeve pipe 2 11, and the circle centre position being positioned at lower cover 1 in through hole is provided with the connecting tube 2 12 of hollow；Connecting tube 1 it is cased with in connecting tube 2 12；Connecting rod 10-1 upper end sets screw thread and is connected with upper cover 1；Upper cover 2 10 is provided with opening 10-2, upper piston 32-1 is provided with thermometer socket 16, thermometer socket 16 has the thermometer socket cushion rubber 17 for sealing, thermometer socket 16 is provided with thermometer boss 18, thermometer socket 16 and thermometer boss 18 are the through hole of concentric, and thermometer boss 18 is inserted into thermometer 18-1.

Referring to Fig. 1-Fig. 3 and Fig. 6 it can be seen that original pattern storehouse includes upper cover 3 19, sleeve pipe 3 20, connecting tube three 21-2, funnel connecting tube 21-1, platen 3 22, lower cover 3 23, cushion rubber 3 24, cushion rubber 4 25,23-1 is imported and exported in original pattern storehouse, lower piston overlaps 23-5；

Described sleeve pipe 3 20 is hollow and the parallel long tube of upper lower section, upper section at sleeve pipe 3 20 is separately installed with upper cover 3 19 and lower cover 3 23 with lower section, between upper cover 3 19, lower cover 3 23 and sleeve pipe 3 20, it is lined with cushion rubber 3 24 respectively seal, upper cover 3 19 and lower cover 3 23 are provided with through hole, it is internal that through hole is positioned at sleeve pipe 3 20, is provided with connecting tube three 21-2 of hollow between upper cover 3 19 and lower cover 3 23；Female thread is set at connecting tube three 21-2 tail end siphunculus, the lower section of upper cover 3 19, the epimere of connecting tube three 21-2 is provided with platen 3 22, the tail end female thread of connecting tube three 21-2 and lower piston put thread connection, the middle part of lower piston set 23-5 is provided with opening 23-1, opening 23-1 is that original pattern storehouse is imported and exported, and the bottom overlapping 23-5 inwall at lower piston sets groove 23-4 for installing cushion rubber 4 25；

The amount of being provided with water height gauge 28 between the inside in original pattern storehouse, upper cover 3 19 and lower cover 3 23.

Referring to Fig. 1-Fig. 7 it can be seen that described plug Ore-controlling Role includes rope hook controlling organization 29, connecting tube 1, sample speed lid 31, upper piston mechanism 32, middle piston mechanism 33, lower piston mechanism 40.

It is connected above disk 30 in connecting tube 1, disk is round-meshed disk, disk 30 connects connecting rod 2-5, connecting rod 2-5 upper end is connected to upper piston mechanism 32, the lower end of disk 30 connects screw rod 41 by screw, and screw rod 41 is connected with middle piston mechanism 33 by bolt 33-3, offers slotted eye 40-2 on the top of lower piston mechanism 40, and at the necking segment that is arranged above of slotted eye 40-2, the pallet 40-6 being provided above lower piston mechanism 40 of necking segment.

Rope hook controlling organization 29 is made up of rope hook 29-1, pipe cap 29-2, spring 29-3, pogo barrel 29-4, push rod 29-5, lock tube 29-6；The hook and slot 29-7 that the middle part of pogo barrel 29-4 has axial section to be hooklike aperture；Pogo barrel 29-4 upper end be provided with pipe cap 29-2, pogo barrel 29-4 intracavity equipped with spring 29-3, one end of spring 29-3 heads on the inwall of pipe cap 29-2, the other end push K shape push rod 29-5；Under lock open state, rope hook 29-1 enters hook and slot 29-7, it is stuck in the middle part of K shape push rod, pogo barrel 29-4 lower end is equipped with external screw thread, the bottom of pogo barrel 29-4 opening 29-7 is provided with lock tube 29-6, on the top of upper piston 32-1 central point, sample speed lid 31 is installed, sample speed lid 31 is screwed spiral cover, sample speed lid 31 can pass through to rotate to regulate height, forming a difference in height by the liquid-inlet 9 arranged on the upper cover 1 on sample bin with sample speed lid 31 is the space of H, regulate the height of height difference H by regulating sample speed lid 31, and then regulate sample introduction speed；Screw sample speed lid, it is possible to keep upper piston, middle piston to be in top dead centre state, the import and export that airtight sample bin is upper and lower.

Referring to Fig. 1-Fig. 5 and Fig. 7 it can be seen that plug Ore-controlling Role is disposed with upper piston mechanism 32, middle piston mechanism 33 and lower piston mechanism 40 from top to bottom along same axle center.

Upper piston in plug Ore-controlling Role, middle piston, lower piston system are enclosed within sample bin, reference storehouse and original pattern storehouse and slide axially, and sliding stroke has top dead centre state, lower dead center state, three kinds of duties of parallel dotted state；Plug Ore-controlling Role controls the import and export in sample bin and original pattern storehouse, and the liquid in-out of reference Hatch Opening and aerofluxus are through sample bin import 2-3；Plug Ore-controlling Role respectively with the upper cover one in sample bin, the upper cover 3 19 in original pattern storehouse is provided with air inlet/outlet one 40-2.

Upper piston mechanism 32 includes upper piston 32-1, upper piston 32-1, the external diameter of disk 30 overlaps the internal diameter in 2-4 hole less than upper piston, and upper piston 32-1 up insertion upper piston set 2-4 is closure state, plays the effect of sealed sample storehouse import；Upper piston is provided with through hole dress thermometer socket 16；Upper piston center set through hole 32-2 can be connected with pogo barrel 29-4, in thermometer socket 16 arrange sleeve pipe 18 be inserted into thermometer 18-1 or densimeter 13.

Middle piston mechanism 33 includes middle piston 33-1, middle piston bush 7-1 and middle piston 33-1 and supports the use, and middle piston 33-1 is arranged in piston bush 7-1, and middle piston 33-1 includes bolt 33-3, screw rod 41；

Middle piston mechanism is arranged in inside the middle piston bush 7-1 of sample bin, middle piston bush 7-1 is additionally provided with sample bin outlet 7-2, middle piston 33-1 is combined by bolt 33-3 by upper and lower two piston blocks, screw rod 41 it is connected to from top to bottom, piston ring connected in star 33-5 in the middle part of middle piston 33-1 is provided with in the center of middle piston；Being provided with the middle piston bush cushion rubber 32-2 sealed in middle piston bush 7-1, middle piston bush cushion rubber 32-2 coordinates with middle piston ring connected in star 33-5；Middle piston 33-1 slides in middle piston bush 7-1.

Lower piston mechanism 40 includes lower piston；The top of lower piston 40-1 outer wall offers air inlet/outlet 40-2, and bottom offers lower piston annular groove 40-4；Lower piston set 23-5 has been supported the use with lower piston 40-1, lower piston 40-1 is positioned at lower piston set 23-5, lower piston set 23-5 is positioned at the through hole of lower cover 3 23, and lower piston set 23-5 includes lower piston set through hole 23-1, lower piston puts screw thread 23-3, the lower screw thread 23-2 of lower piston set, lower piston collar-shaped groove 23-4, lower piston set cushion rubber 25；The annular groove 40-4 of lower piston 40-1 end is that original pattern storehouse is imported and exported, and passes in and out original pattern storehouse for liquid.

Rope mechanism is made up of becket bridle 37, sampling rope 38, length digit plate 39, one end of sampling rope 38 is connected on rope hook 29-1, the other end is connected to becket bridle 37, sampling rope 38 on be provided with length digit plate 39 several, can reading the length releasing sampling rope, when storage, sampling rope 38 coiling are in becket bridle 37.

Described sleeve pipe 1, sleeve pipe 2 11, sleeve pipe 3 20 adopt glass, copper, aluminum, rustless steel transparent plastic or engineering plastics.

Petroleum liquid sampling colour comparatour can select the mode of multiple installation, including: the installation in sample warehouse receipt storehouse；Sample bin and reference storehouse, or double; two storehouses combination installation in sample bin and original pattern storehouse；The three storehouse combinations in sample bin, reference storehouse and original pattern storehouse are installed.

The dismounting of single storehouse and combination

Sample bin, reference storehouse and these three storehouse, original pattern storehouse can individually be dismantled and combine installation,

The lower end of the lower cover 7 arranged on bottom sample bin or reference storehouse is also respectively provided with external screw thread one 7-7 and external screw thread two 7-5, external screw thread one 7-7 and is used for connecting funnel 2-1, and external screw thread two 7-5 is used for connecting funnel connecting tube 21-1.

During sample warehouse receipt storehouse, connecting each parts of sample bin, in order to meet transferring oil tank car, nozzle releases oil sample, the needs of range estimation oil sample presentation quality, being provided with external screw thread 2-6 at sample bin upper cover 1, can couple with funnel 2-1, the sealing between funnel 2-1 and sample bin upper cover 1 uses cushion rubber 2-2；Funnel 2-1 also is able in sample bin lower end couple with lower cover 1 external screw thread, takes fixed point fast and easy when holostrome sample or tank outlet liquid level sample.

The dismounting of many storehouses and combination

Double; two storehouses are combined；One is sample bin and the combination of reference storehouse.Lower cover 1 is inserted in the lower end of sleeve pipe 2 11, socket reference storehouse, upper end upper cover 2 10, reference storehouse upper cover 2 10 is inserted in the lower end of sleeve pipe 1, sample bin upper cover 1 on the upper end cover of sleeve pipe 1, couples with screw rod 2-8 with the through hole less on the upper cover one of sample bin of the threaded upper ends of connecting rod 10-1 and screws；Stopper rod is controlled system by sample bin upper cover 1 again, make the connecting tube 1 of the hollow of insertion be connected with middle piston 33 and screw rod 41；Two is sample bin and the combination of original pattern storehouse, after sample bin couples, then by original pattern storehouse, is coupled with screw thread 7-5 under middle piston bush by the threaded upper ends of funnel connecting tube 21-1；Unclamp screw rod 2-8, detachably separate sample bin and reference storehouse；Unclamp screw rod 41 can be removed or placed into from upper piston set 2-4 by plug Ore-controlling Role.

Three storehouse combinations；When sample bin and reference storehouse, the combination of original pattern storehouse, after sample bin couples with double; two storehouses combination in reference storehouse, then by the original pattern storehouse that combination is connected, couple with screw thread 7-5 under middle piston bush with the threaded upper ends of funnel connecting tube 21-1.

Duty (Yi Sancang is combined as example)

Top dead centre state: rope hook is hooked in hook and slot, rope hook makes plug Ore-controlling Role up, and upper piston inserts in upper piston set；Meanwhile, in the insertion of middle piston stroking upward in piston bush, in the up laminating in middle piston ring connected in star lower surface below piston bush cushion rubber, the sample export of piston bush in closedown, cushion rubber seals；Lower piston is descending, and above the descending laminating lower piston set cushion rubber in lower piston annular groove upper surface, the sample closing lower piston set is imported and exported, and cushion rubber seals；Now 40-2 Close All is imported and exported in the liquid-inlet 9 on sample bin, original pattern storehouse.

Lower dead center state: rope hook is hooked in hook and slot, arrives sample position, lifts up rope hook and be about 10-30 centimetre of dramatic decrease 10-30 centimetre again.Rope hook moment loses pulling force, and after ejecting hook and slot, automatic clamping is stopped handle, and plug Ore-controlling Role vertically declines because of deadweight after departing from rope hook, and upper piston declines, and time in the descending laminating in central piston ring connected in star upper surface above piston bush cushion rubber, stops decline and is lower dead center；Meanwhile, lower piston annular groove upper surface still fit lower piston set cushion rubber above；Now, the liquid-inlet 9 of sample bin is opened in sample introduction state, and meanwhile, sample bin outlet 7-2, original pattern storehouse import and export 40-2 are closed mode.

Parallel dotted state: rope hook is hooked on handle.Rope hook, plug Ore-controlling Role is in lower dead center state because of deadweight decline, and when putting down petroleum liquid sampling colour comparatour, the end of lower piston is first subject to the counteracting force of bottom and stops declining, drop to parallel with the end of lower piston when petroleum liquid samples colour comparatour storehouse seat end, be parallel dotted state；Now, lower piston annular groove upper surface is imported and exported higher than original pattern storehouse, and cushion rubber is overlapped lower than lower piston in lower piston annular groove lower surface, and original pattern storehouse is imported and exported the passage of 40-2 and opened, and air inlet/outlet is opened simultaneously.

Parallel dotted state only could realize when same level at the end of the end of original pattern storehouse or sample bin with lower piston or middle piston.

The using method of petroleum liquid sampling colour comparatour include point sample sampling, the sampling of omnidistance sample, bottom sampling, survey in the sampling of water height, oil product temperature measuring, oil density mensuration and the mensuration of oil product bubble collapse time any one or multiple；Its using method is as follows:

1.2 scopes

Colour comparatour is sampled with reference to GB/T4756 " petroleum liquid hand sample method " with petroleum liquid, standing tank, tank car, road tank vehicle, boats and ships, bucket fluid sample can be gathered, high the measuring of petroleum liquid container bottom water, oil product temperature measuring, oil density measures, gasoline bubble extinction time measures, the inspection of elementary cell sample appearance quality, the uniformity matching identification of appearance color between elementary cell sample.

Petroleum liquid that this method specifies sampling colour comparatour, it is possible to for be similar to the sampling of petrochemicals of petroleum liquid, container bottom water high measure, temperature measuring, density measurement, presentation quality visual inspection identification.

The using method of petroleum liquid sampling colour comparatour includes point sample sampling method, holostrome sample sampling method and bottom sample sampling method；

1.2 point sample samplings

Open sample bin import.Backspin lock tube keeps hook and slot unimpeded.Upper rotation sample speed lid is to top, and the speed making sample introduction is maximum.Rope hook inserts hook and slot, and rope hook makes plug Ore-controlling Role vertical ascent to top dead centre.Petroleum liquid is sampled colour comparatour and carefully at the uniform velocity puts into trapped fuel container downwards, needed for sample bin import arrives, liquid is deep, within 0.5 second, lift up rope hook be about 15cm and decline again about 15cm, make petroleum liquid sampling colour comparatour instantaneous weight loss, rope hook is ejected hook and slot and hooks handle, plug Ore-controlling Role declines because of deadweight and opens sample bin import, until entering full sample.

Take oil product in trapped fuel container as stated above, after washing petroleum liquid sampling colour comparatour and sample bottle meet the requirements to cleannes, then press spotting methods sampling, prepare reference sample.

1.3 holostrome sample samplings

Suitably regulate downwards sample speed lid, sample bin inducer flow area can be reduced, extend sample injection time, meet the time requirement taking holostrome sample.Lower lock tube to extreme lower position, make hook and slot unimpeded, when opening sample bin import, it is ensured that rope hook can be deviate from from hook and slot.Take holostrome sample from bottom to up, sample colour comparatour with suitable average rate decline petroleum liquid, to the top position of tank bottoms water height interface, open sample bin import, move up and take holostrome sample, by consistent speed when not pausing, promote petroleum liquid sampling colour comparatour and return out liquid surface.

When promoting petroleum liquid sampling colour comparatour from liquid, select its translational speed, make the sample bin of petroleum liquid sampling colour comparatour fill 80%, but less than 90%.Careful setting-out product are in sample bottle immediately.

When regaining omnidistance petroleum liquid sampling colour comparatour from liquid, if filling less than 90%, then can be assumed that petroleum liquid sampling colour comparatour is during by pot liquid, oil product has flowed into petroleum liquid sampling colour comparatour from all degree of depth.If filled to more than 90%, then sample is likely to under-represented, should discard taken sample, and with promoting speed faster, or lower sample speed lid prolongation sample injection time sub-sampling again.

Sample sampling bottom 1.4

Petroleum liquid sampling colour comparatour after entering sample of working to the last minute, continue to put down, until its be vertically still in tank bottoms on.Petroleum liquid sampling colour comparatour is proposed after full sample is entered in original pattern storehouse.

To the sample needing quantitative testing original pattern constituent mass, answer its leakage scenarios of close inspection, during as found that seepage affects mass component ratio, this sample should be abandoned, clean up original pattern storehouse sub-sampling again.

1.5 survey the sampling of water height

1.5.1 operating procedure

Rope hook is hooked in hook and slot, raises lock tube and blocks hook and slot, stops rope hook to deviate from (the petroleum liquid sampling colour comparatour for the combination of sample warehouse receipt storehouse or sample bin and the combination of reference storehouse) from hook and slot.

Put down petroleum liquid sampling colour comparatour be vertically still in tank bottoms on, keep rope hook relaxed state, 2～3min is waited after moisture original pattern enters original pattern storehouse, after the water high balance inside and outside in original pattern storehouse is consistent, close original pattern storehouse by rope hook lifting plug Ore-controlling Role to top dead centre, drive petroleum liquid sampling colour comparatour to return to tank face.The method increase the ability that opposing impurity jam original pattern storehouse is imported and exported.

Propose petroleum liquid sampling colour comparatour and keep vertical, reading the water of sample high (mm) in transparent glass container, reading accurate to 0.5mm.With separately join ruler measure water height time, sample the baseplane of colour comparatour lower cover three for 0mm starting point with petroleum liquid, with the lower edge height of oil water surface for the high numerical value of water.With this method can the water of quantitative measurement gas station oil tank 11mm to 55mm high, the water of stock tank 11mm to 200mm is high.

1.5.2 calculate

The meansigma methods high to repeat double measurement water, as the result that water in trapped fuel container is high.

1.5.3 precision

The difference that secondary repeated measure water is high should be not more than 1mm.

1.6 oil product temperature-measuring methods

With the sampling colour comparatour that can be inserted into thermometer, when oil product thermometric sample point takes full oil sample, 5min is stopped again by the method measuring oil temperature, sampling colour comparatour is proposed, read volume oil temperature ga(u)ge indicating value, after record oil temperature indicating value, the sample in sampling colour comparatour is carried out presentation quality visual inspection, processes taken sample.The measurement result of oil temperature is calculated by the requirement of oil metering method.

1.7 oil density assay methods

1.7.1 scope

By GB/T1884 density measurement method, the density measurement to volatile petroleum products such as gasoline.

1.7.2 principle

Oil measurement sampling colour comparatour, is provided with the device measuring oil product temperature and density, when the sleeve pipe one of device, sleeve pipe two or sleeve pipe three adopt glass tubing or transparent plastic to make.The function taking point sample and holostrome sample is possessed during sampling.There is when checking oil product presentation quality the effect of glass color comparison tube.Densimeter graduated cylinder can be worked as when measuring density.In storage-transport vessel, take out sample, be the original container of sample, put into glass density meter and thermometer can directly measure the density of sample.

1.7.3 indignant state

With oil measurement sampling colour comparatour sampling, measure the density of the volatile petroleum products such as gasoline, can at sampling scene or experimental determination, decrease multiple operation link affecting density, time saving and energy saving, improve the accuracy of oil metering, meet GB/T4756, GB/T1884 following requirement about volatile products sampling and density measurement:

1 when gathering the sample of volatile oil and product, if the loss of light component have to be avoided, the such as mensuration of density, vapour pressure or boiling range, then must not shift from sample original container, combine or cumulative sample (see GB/T4756 petroleum liquid hand sample method 7.2.3.1).

2 for reducing the loss of light component, and sample should mix in original container and closed system.Note: mixed volatilization sample will cause that light component is lost in open containers, and the density value (see GB/T1884 densitometry 7.1.1) recorded will be affected.

3 when density value is to measure for bulk oil, measures density in bulk oil temperature or at bulk oil ± 3 DEG C.The error (see GB/T1884 densitometry 7.2) of oil volume correction can be reduced.

4GB/T1884 densitometry 9 instrument prepares.Make densimeter graduated cylinder and densitometric temperature close to the temperature (see GB/T1884 densitometry 7.2.1 and note 2 thereof) of sample.

1.7.4 oil density assay method

With oil measurement sampling colour comparatour, by oil sampling and temperature-density measurement requirement, when the sample point of trapped fuel container takes full oil sample, rest on this sample point >=5min, Deng sampling colorimetric appearance device in, the temperature of outer oil product identical consistent time, sampling colour comparatour is proposed, screw sample speed lid, it is vertically disposed on platform, pogo barrel is taken out from the upper piston centre bore of sampling colour comparatour, put into gauging densimeter (when there is wind at scene, upper cover at sampling colour comparatour, transparent hurricane globe on cover), by the GB/T1884 that oil product standard is specified, GB/T1885 determination of test method oil product temperature and density.

1.8 oil product presentation quality uniformity assessments

1.8.1 visually rank is sampled

Carrying petroleum liquid sampling colour comparatour, sample by cabin with batch each car, ship oil product, each cabin sample and the presentation quality of sample in reference storehouse are estimated in comparison: color, clarity, water are assorted, whether stickiness, abnormal smells from the patient etc. are identical consistent.Identical consistent time, the presentation quality that can be evaluated as this batch of oil product is uniform；When differing, the presentation quality that should be evaluated as this batch of oil product is uneven.

1.8.2 sample treatment

Original pattern storehouse sample treatment.Sample in original pattern storehouse is through the detection of presentation quality, it is necessary to during Collection and conservation bottom sample, can promote lower piston, imports and exports from original pattern storehouse and releases original pattern in sample bottle, otherwise puts back in the container of former trapped fuel product.

Sample shifts.Sample in sample bin and original pattern storehouse, can sample the bottom setting-out mouth of colour comparatour from petroleum liquid respectively and release (can not simultaneously setting-out, it is prevented that two storehouse samples mix mutually).

Reference storehouse sample treatment.After each elementary cell sample of comparison, the import and export in reference storehouse pour out.Detection car and boat unload the reference sample of front oil product presentation quality, it is possible to keep in Dark Place in reference storehouse one day, are discharged into the presentation quality receiving tank oil product for Determination.

Sample bin sample treatment.When preparing point sample, sample is individually shifted the empty sample bottle being placed on a cleaning；

When preparing Composite sample, it is to be determined to the amount of ratio is transferred in the combined sample bottle of cleaning；When preparing reference sample, same batch of oil product to be taken is multiple elementary cell, and the sample taken by head in elementary cell (with any one elementary cell in criticizing) reference storehouse is built airtight, as the standard sample of the reference such as color, clarity.

To representational sample, should preserve and inspection by regulation approved sample.To uneven oil product, should sample according to the regulation of uneven oil sampling method and inspection.Gather non-homogeneous fluid sample with the sampling method of uniform liquid and can directly affect the representativeness of sample.

1.9 oil product bubble collapse chronometries

1.9.1 scope

This method can be used for motor petrol, vehicle-use alcohol gasoline, vehicle-use alcohol gasoline blending component oil, the mensuration of aviation gasoline bubble collapse time, is particularly suited for the mensuration of gas station's gasoline bubble extinction time.

1.9.2 meaning

Meeting the normal gasoline of existing quality standard, the extinction time of bubble is general all at about 2 to 3 seconds, when quality of gasoline be contaminated, go bad, the increase of viscosity colloid time, the extinction time of its bubble can extend significantly.The time of gasoline bubble collapse, increasing by 1 second than same kind specification gasoline, usual gum level is defective, can affect petrolic normal operation.This feature is applied to the quality examination at last critical point before gas station sells oil, for preventing the oil product of accident hazard from setting off, it is ensured that oil product safe operation, has important meaning.

1.9.3 equipment

Petroleum liquid sampling colour comparatour, transparent glass tube interior diameter 45mm ± 2mm, or transparent glass tube interior diameter 60mm ± 2mm, clear glass goods, transparent glass container, bubble collapse time detector.

Timer: stopwatch, minimum division value 0.01 second.

1.9.4 sample

To oil sampling in the trapped fuel container of needs detection, after presentation quality checks, releasing half sample in sample bin, keeping sample liquid level, to sample bin 1/2 height groove place, is used for measuring the extinction time of bubble.

1.9.5 the mensuration of bubble collapse time

1 prepares.Place beyond one meter of gasoline cistern tank mouth, part below the sample liquid level of portable petroleum liquid sampling colour comparatour, keep its axial line vertical.

2 measure., position height vertical at maintenance portable petroleum liquid sampling colour comparatour is constant, amplitude with about 10 centimetres, the front and back of level, with the micro-power shake of the equilibrium of push-and-pull reciprocation type, come and go shake for once every time, the speed shake of five times is shaken altogether with about 1.5 seconds, manual time-keeping is started while the 5th shake terminates, note the extinction time observing sample liquid level bubble, when last bubble collapse of sample liquid level, stop stopwatch immediately, reading accurate to 0.01 second, record bubble produced to the time disappeared.

3 calculate.Replication five times, with the arithmetic mean of instantaneous value of the extinction time of five bubbles, as the measurement result of sample bubble extinction time.

4 precision.Same operator, with same sample under identical temperature conditions, the difference of two results of replication, not should be greater than 0.20 second.

5 reports.The measurement result of gasoline bubble extinction time, retains two decimals.Take the arithmetic mean of instantaneous value of two results of replication, as the bubble collapse time of sample.

Claims (7)

1. a petroleum liquid sampling colour comparatour, it is characterised in that: it is made up of containment system, plug Ore-controlling Role and rope mechanism；

Be inserted with plug Ore-controlling Role in the inside of containment system, plug Ore-controlling Role runs through containment system, is connected to rope mechanism on the top of plug Ore-controlling Role；

Described containment system includes: sample bin, reference storehouse and original pattern storehouse, is followed successively by sample bin, reference storehouse and original pattern storehouse from top to bottom, forms three storehouse combinations, passes through thread connection between three storehouses；Or sample bin and reference storehouse, the bottom being connected on sample bin is inserted in reference storehouse, and the double; two storehouses forming sample bin and reference storehouse are combined；Or double; two storehouses combination in sample bin and original pattern storehouse, it is connected below original pattern storehouse in reference storehouse, between two storehouses, passes through thread connection；Or sample warehouse receipt storehouse is only set, sample bin lower cover sets external screw thread, it is possible to couple with funnel；

Sample bin includes handle, upper cover one, sleeve pipe one, gusset piece one, connecting tube one, lower cover one, cushion rubber one；Described sleeve pipe one is hollow and the parallel long tube of upper lower section, upper section at sleeve pipe one is separately installed with upper cover one and lower cover one with lower section, it is lined with rubber sealing one between upper cover one, lower cover one and sleeve pipe one, upper cover one and lower cover one are provided with through hole, through hole includes two through holes that the upper piston set being positioned at upper cover one center is less with upper piston set edge, it is internal that through hole is positioned at sleeve pipe one, is provided with the connecting tube one of hollow between upper cover one and lower cover one；Connecting tube one is linked together by inside and outside two casing threads and forms, and the lower end of connecting tube one is connected with connecting rod one by gusset piece one；The upper end of connecting tube one is connected with connecting rod two；Connecting tube one tail end stretches into the inner chamber of siphunculus, connecting tube one be arranged below extended end, extended end install screw rod；The sample bin outlet for going out liquid is offered between the inwall of lower cover one and middle piston bush；Offering on upper cover one and run through upper piston set for the sample bin import of feed liquor, sample bin import, upper cover one outer wall sets screw thread and couples with funnel, is provided with O-ring seal one between upper cover one and funnel；Being inserted with screw rod in less through hole, connecting tube three is stretched on the top of screw rod, and the lower end of connecting rod three is connected in lower cover one；

Reference storehouse includes upper cover two, connecting rod, height groove, sleeve pipe two, connecting tube two, lower cover one, cushion rubber, thermometer socket, thermometer boss, thermometer；Height groove is shown as the 1/2 of sample bin height；

Described sleeve pipe two is hollow and the parallel long tube of upper lower section, upper section at sleeve pipe two is separately installed with upper cover two and lower cover one with lower section, upper cover two and lower cover one are provided with through hole, it is internal that through hole is positioned at sleeve pipe two, and the circle centre position being positioned at lower cover one in through hole is provided with the connecting tube two of hollow；Connecting tube one it is cased with in connecting tube two；Connecting rod upper end sets screw thread and is connected with upper cover one；Upper cover two is provided with opening, upper piston is provided with thermometer socket, thermometer socket has the thermometer socket cushion rubber for sealing, thermometer socket is provided with thermometer boss, thermometer socket and thermometer boss are the through hole of concentric, and thermometer boss is inserted into thermometer；

Original pattern storehouse includes upper cover three, sleeve pipe three, connecting tube three, funnel connecting tube, platen three, lower cover three, cushion rubber three, cushion rubber four, the import and export of original pattern storehouse, lower piston set；

Described sleeve pipe three is hollow and the parallel long tube of upper lower section, upper section at sleeve pipe three is separately installed with upper cover three and lower cover three with lower section, cushion rubber three sealing it is lined with respectively between upper cover three, lower cover three and sleeve pipe three, upper cover three and lower cover three are provided with through hole, it is internal that through hole is positioned at sleeve pipe three, is provided with the connecting tube three of hollow between upper cover three and lower cover three；Female thread is set at connecting tube three tail end siphunculus, the lower section of upper cover three, the epimere of connecting tube three is provided with platen three, the tail end female thread of connecting tube three and lower piston put thread connection, the middle part of lower piston set is provided with opening, opening is that original pattern storehouse is imported and exported, and the bottom overlapping inwall at lower piston sets groove for installing cushion rubber four；

Described plug Ore-controlling Role includes rope hook controlling organization, connecting tube one, sample speed lid, upper piston mechanism, middle piston mechanism, lower piston mechanism；

It is connected above disk in connecting tube one, disk is round-meshed disk, disk connects connecting rod, connecting rod upper end is connected to upper piston mechanism, the lower end of disk connects screw rod by screw, and screw rod is connected with middle piston mechanism by bolt, offers slotted eye on the top of lower piston mechanism, and at the necking segment that is arranged above of slotted eye, the pallet being provided above lower piston mechanism of necking segment；

Rope hook controlling organization is made up of rope hook, pipe cap, spring, pogo barrel, push rod, lock tube；The hook and slot that the middle part of pogo barrel has axial section to be hooklike aperture；Pogo barrel upper end be provided with pipe cap, pogo barrel intracavity equipped with spring, one end of spring heads on the inwall of pipe cap, the other end push K shape push rod；Under lock open state, rope hook enters hook and slot, being stuck in the middle part of K shape push rod, pogo barrel lower end is equipped with external screw thread, and the bottom of pogo barrel opening is provided with lock tube, sample speed lid is installed on the top of upper piston central point, sample speed lid is screwed spiral cover, and sample speed lid can pass through to rotate to regulate height, and becoming a difference in height by the liquid-inlet arranged on the upper cover one on sample bin with sample speed cap-shaped is the space of H, regulate the height of height difference H by regulating sample speed lid, and then regulate sample introduction speed；Screw sample speed lid, it is possible to keep upper piston, middle piston to be in top dead centre state, the import and export that airtight sample bin is upper and lower；

Plug Ore-controlling Role is disposed with upper piston mechanism, middle piston mechanism and lower piston mechanism from top to bottom along same axle center；

Upper piston in plug Ore-controlling Role, middle piston, lower piston system are enclosed within sample bin, reference storehouse and original pattern storehouse and slide axially, and sliding stroke has top dead centre state, lower dead center state, three kinds of duties of parallel dotted state；Plug Ore-controlling Role controls the import and export in sample bin and original pattern storehouse, and the liquid in-out of reference Hatch Opening and aerofluxus are through sample bin import；Plug Ore-controlling Role respectively with the upper cover one in sample bin, the upper cover three in original pattern storehouse is provided with air inlet/outlet one；

Upper piston mechanism includes upper piston, upper piston, disk external diameter be slightly less than the internal diameter of upper piston trepanning, the up insertion upper piston set of upper piston, in closure state, plays the effect of sealed sample storehouse import；Upper piston is provided with through hole dress thermometer socket；Upper piston center set through hole can be connected with pogo barrel, in thermometer socket arrange sleeve pipe be inserted into thermometer or densimeter；

Middle piston mechanism includes middle piston, and middle piston bush and middle piston support the use, and middle piston is arranged in piston bush, and middle piston includes bolt, screw rod；

Middle piston mechanism is arranged in inside the middle piston bush of sample bin, middle piston bush is additionally provided with sample bin outlet, middle piston is formed by bolt combination by upper and lower two piston blocks, is connected to screw rod from top to bottom in the center of middle piston, piston ring connected in star in the middle part of middle piston is provided with；Being provided with the middle piston bush cushion rubber sealed in middle piston bush, middle piston bush cushion rubber coordinates with middle piston ring connected in star；Middle piston slides in middle piston bush；

Lower piston mechanism includes lower piston；The top of lower piston outer wall offers air inlet/outlet, and bottom offers lower piston annular groove；Lower piston set has been supported the use with lower piston, lower piston is positioned at lower piston set, lower piston set is positioned at the through hole of lower cover three, and lower piston set includes lower piston set through hole, lower piston puts screw thread, the lower screw thread of lower piston set, lower piston collar-shaped groove, lower piston set cushion rubber；The annular groove of lower piston end is that original pattern storehouse is imported and exported, and passes in and out original pattern storehouse for liquid；

Rope mechanism is made up of becket bridle, sampling rope, length digit plate, sampling rope one end be connected on rope hook, the other end is connected to becket bridle, sampling rope on be provided with length digit plate several, can reading the length releasing sampling rope, when storage, sampling rope coiling is in becket bridle.

2. petroleum liquid according to claim 1 sampling colour comparatour, it is characterised in that: the upper surface at upper cover one is provided with suspension bracket, and suspension bracket is movably installed with handle.

3. petroleum liquid according to claim 1 sampling colour comparatour, it is characterised in that: upper cover one can be placed transparent hurricane globe.

4. petroleum liquid according to claim 1 sampling colour comparatour, it is characterised in that: the amount of being provided with water height gauge between the inside in original pattern storehouse, upper cover three and lower cover three.

5. petroleum liquid according to claim 1 sampling colour comparatour, it is characterised in that: described sleeve pipe one, sleeve pipe two, sleeve pipe three adopt glass, copper, aluminum, rustless steel transparent plastic or engineering plastics.

6. the installation method of the petroleum liquid sampling colour comparatour described in claim 1, it is characterised in that: petroleum liquid sampling colour comparatour can select the mode of multiple installation, including the installation in sample warehouse receipt storehouse；Sample bin and reference storehouse, or double; two storehouses combination installation in sample bin and original pattern storehouse；The three storehouse combinations in sample bin, reference storehouse and original pattern storehouse are installed；

The dismounting of single storehouse and combination

Sample bin, reference storehouse and these three storehouse, original pattern storehouse can individually be dismantled and combine installation, the lower end of the lower cover arranged on bottom sample bin or reference storehouse is also respectively provided with external screw thread one and external screw thread two, external screw thread one is used for connecting funnel, and external screw thread two is used for connecting funnel connecting tube；

During sample warehouse receipt storehouse, connecting each parts of sample bin, in order to meet transferring oil tank car, nozzle releases oil sample, the needs of range estimation oil sample presentation quality, being provided with external screw thread at sample bin upper cover one, can couple with funnel, the sealing between funnel and sample bin upper cover one uses cushion rubber；Funnel also is able in sample bin lower end couple with lower cover one external screw thread, takes fixed point fast and easy when holostrome sample or tank outlet liquid level sample；

The dismounting of many storehouses and combination

Double; two storehouses are combined；One is sample bin and the combination of reference storehouse；Lower cover one is inserted in the lower end of sleeve pipe two, socket reference storehouse, upper end upper cover two, reference storehouse upper cover two is inserted in the lower end of sleeve pipe one, sample bin upper cover one on the upper end cover of sleeve pipe one, couples with screw rod with the through hole less on the upper cover one of sample bin of the threaded upper ends of connecting rod and screws；Stopper rod is controlled system by sample bin upper cover one again, make the connecting tube one of the hollow of insertion be connected with middle piston and screw rod；Two is sample bin and the combination of original pattern storehouse, after sample bin couples, then by original pattern storehouse, by the threaded upper ends of funnel connecting tube and thread connection under middle piston bush；Unclamp screw rod, detachably separate sample bin and reference storehouse；Unclamp screw rod to be removed or placed into being overlapped from upper piston by plug Ore-controlling Role；

Three storehouse combinations

When sample bin and reference storehouse, the combination of original pattern storehouse, after sample bin couples with double; two storehouses combination in reference storehouse, then the original pattern storehouse being connected will be combined, with the threaded upper ends of funnel connecting tube and thread connection under middle piston bush.

7. the using method of the petroleum liquid sampling colour comparatour described in claim 1, it is characterised in that: the using method of petroleum liquid sampling colour comparatour include point sample sampling, the sampling of omnidistance sample, bottom sampling, survey in the sampling of water height, oil product temperature measuring, oil density mensuration and the mensuration of oil product bubble collapse time any one or multiple；Its using method is as follows；

One, point sample sampling

Open sample bin import, backspin lock tube keeps hook and slot unimpeded, upper rotation sample speed lid is to top, the speed making sample introduction is maximum, rope hook is inserted hook and slot, rope hook makes plug Ore-controlling Role vertical ascent to top dead centre, petroleum liquid is sampled colour comparatour and carefully at the uniform velocity puts into trapped fuel container downwards, needed for sample bin import arrives, liquid is deep, lifting up rope hook within 0.5 second to be about 15cm and decline again about 15cm, make petroleum liquid sampling colour comparatour instantaneous weight loss, rope hook is ejected hook and slot and hooks handle, plug Ore-controlling Role declines because of deadweight and opens sample bin import, until entering full sample；

Take oil product in trapped fuel container as stated above, after washing petroleum liquid sampling colour comparatour and sample bottle meet the requirements to cleannes, then press spotting methods sampling, prepare reference sample；

Two, holostrome sample sampling

Suitably regulate downwards sample speed lid, sample bin inducer flow area can be reduced, extend sample injection time, meet the time requirement taking holostrome sample, lower lock tube to extreme lower position, make hook and slot unimpeded, when opening sample bin import, it is ensured that rope hook can be deviate from from hook and slot, takes holostrome sample from bottom to up, colour comparatour is sampled with suitable average rate decline petroleum liquid, to the top position of tank bottoms water height interface, open sample bin import, move up and take holostrome sample, by consistent speed when not pausing, promote petroleum liquid sampling colour comparatour and return out liquid surface；

When promoting petroleum liquid sampling colour comparatour from liquid, select its translational speed, make the sample bin of petroleum liquid sampling colour comparatour fill 80%, but less than 90%, careful setting-out product are in sample bottle immediately；

When regaining omnidistance petroleum liquid sampling colour comparatour from liquid, if filling less than 90%, then can be assumed that petroleum liquid sampling colour comparatour is during by pot liquid, oil product has flowed into petroleum liquid sampling colour comparatour from all degree of depth, if filled to more than 90%, then sample is likely to under-represented, should discard taken sample, and with promoting speed faster, or lower sample speed lid prolongation sample injection time sub-sampling again；

Three, bottom sample sampling

Petroleum liquid sampling colour comparatour, after entering sample of working to the last minute, continues to put down, until its be vertically still in tank bottoms on, petroleum liquid sampling colour comparatour is proposed after full sample is entered in original pattern storehouse；

To the sample needing quantitative testing original pattern constituent mass, answer its leakage scenarios of close inspection, during as found that seepage affects mass component ratio, this sample should be abandoned, clean up original pattern storehouse sub-sampling again；

Four, the sampling of water height is surveyed

Rope hook is hooked in hook and slot, raises lock tube and blocks hook and slot, stops rope hook to deviate from (the petroleum liquid sampling colour comparatour for the combination of sample warehouse receipt storehouse or sample bin and the combination of reference storehouse) from hook and slot；

Put down petroleum liquid sampling colour comparatour be vertically still in tank bottoms on, keep rope hook relaxed state, 2～3min is waited after moisture original pattern enters original pattern storehouse, after the water high balance inside and outside in original pattern storehouse is consistent, original pattern storehouse is closed by rope hook lifting plug Ore-controlling Role to top dead centre, drive petroleum liquid sampling colour comparatour to return to tank face, the method increase the ability that opposing impurity jam original pattern storehouse is imported and exported；

Propose petroleum liquid sampling colour comparatour and keep vertical, reading the water of sample high (mm) in transparent glass container, reading accurate to 0.5mm；With when separately joining ruler measurement water height, the baseplane of colour comparatour lower cover three is sampled for 0mm starting point with petroleum liquid, with the lower edge height of oil water surface for the high numerical value of water, with this method can the water of quantitative measurement gas station oil tank 11mm to 55mm high, the water of stock tank 11mm to 200mm is high；

Calculating, the meansigma methods high to repeat double measurement water, as the result that water in trapped fuel container is high；

The difference that secondary repeated measure water is high should be not more than 1mm；

Five, oil product temperature-measuring method

Insert the sampling colour comparatour of thermometer, when oil product thermometric sample point takes full oil sample, then stop 5min by the method measuring oil temperature, proposing sampling colour comparatour, read volume oil temperature ga(u)ge indicating value, after record oil temperature indicating value, sample in sampling colour comparatour is carried out presentation quality visual inspection, processes taken sample；The measurement result of oil temperature is calculated by the requirement of oil metering method；

Six, oil density assay method

With oil measurement sampling colour comparatour, by oil sampling and temperature-density measurement requirement, when the sample point of trapped fuel container takes full oil sample, rest on this sample point >=5min, Deng sampling colorimetric appearance device in, the temperature of outer oil product identical consistent time, sampling colour comparatour is proposed, screw sample speed lid, it is vertically disposed on platform, pogo barrel is taken out from the upper piston centre bore of sampling colour comparatour, put into gauging densimeter (when there is wind at scene, upper cover at sampling colour comparatour, transparent hurricane globe on cover), by the GB/T1884 that oil product standard is specified, GB/T1885 determination of test method oil product temperature and density；

Seven, the mensuration of bubble collapse time

1) prepare；Place beyond one meter of gasoline cistern tank mouth, part below the sample liquid level of portable petroleum liquid sampling colour comparatour, keep its axial line vertical；

2) measure；, position height vertical at maintenance portable petroleum liquid sampling colour comparatour is constant, amplitude with about 10 centimetres, the front and back of level, with the micro-power shake of the equilibrium of push-and-pull reciprocation type, come and go shake for once every time, the speed shake of five times is shaken altogether with about 1.5 seconds, manual time-keeping is started while the 5th shake terminates, note the extinction time observing sample liquid level bubble, when last bubble collapse of sample liquid level, stop stopwatch immediately, reading accurate to 0.01 second, record bubble produced to the time disappeared；

3) calculate；Replication five times, with the arithmetic mean of instantaneous value of the extinction time of five bubbles, as the measurement result of sample bubble extinction time；

4) precision；Same operator, with same sample under identical temperature conditions, the difference of two results of replication, not should be greater than 0.20 second；

5) report；The measurement result of gasoline bubble extinction time, retained two decimals, takes the arithmetic mean of instantaneous value of two results of replication, as the bubble collapse time of sample.