CN105738297B - Petroleum liquid samples colour comparatour and its installation, application method - Google Patents

Abstract

Petroleum liquid of the present invention sampling colour comparatour and its installation, application method are related to a kind of sampling colour comparatour and its application method for technical field of petrochemical industry, with multi-functional, the characteristics of precise structure, dependable performance, easy to operate, clean environment firendly.Petroleum liquid sampling colour comparatour of the present invention is made of containment system, plug control system and rope mechanism；It is inserted with plug control system in the inside of containment system, plug control system runs through containment system, and rope mechanism is connected on the top of plug control system.The containment system includes：Sample bin, reference storehouse and original pattern storehouse are followed successively by sample bin, reference storehouse and original pattern storehouse from top to bottom, form the combination of three storehouses, are threaded between three storehouses；Or the lower part for being connected on sample bin is inserted into sample bin and reference storehouse, reference storehouse, forms double storehouses combination in sample bin and reference storehouse；Or sample bin is combined with double storehouses in original pattern storehouse, and original pattern storehouse is connected with below reference storehouse, is threaded between two storehouses；Or sample warehouse receipt storehouse is only set.

Description

Petroleum liquid samples colour comparatour and its installation, application method

Technical field

Petroleum liquid sampling colour comparatour of the present invention and its installation, application method are related to a kind of for technical field of petrochemical industry Sampling colour comparatour and its application method, have multi-functional, precise structure, dependable performance, spy easy to operate, clean environment firendly Point.

Background technology

Presentation quality inspection of the transporting oil products before storage is the most important thing link of oil quality management.A collection of oil Product oil reconciles uniformly in oil plant refining, and after quality inspection qualification, presentation quality is such as：Color, clarity, stickiness, The presentation qualities such as smell feature within the normal storage and transportation short time just it has been determined that do not have apparent mutation.But it is same The transport of batch oil product, will often be injected separately into the oil tanks of multiple acknowledgement of consignment oil trucks or the cabin of oil carrier, each tank, cabin tankage Pollution-free to the quality for injecting oil product if it is clean, the quality of oil product should be identical consistent in each tank, cabin.Oil product Transport reaches receive oil depot after, take a point sample, sample that can all have representative in any one tank of this batch of oil product or cabin Property, examine its quality results that should be able to reappear unanimously.

It was verified that a collection of oil product after oil plant reconciles uniformly qualification, will turn tank, entrucking marshalling, dress by scheduling The defeated equal storage and transport processes of ship pipe.Delivery side and recipient to it is involved it is defeated turn oil tank equipment, the cleannes of car and boat container, in charge of oil Front and back effectively to check control sometimes, carrier is there is with uncleanly oil transportation tankage transporting oil products sometimes, to There is the problem of pollution acknowledgement of consignment oil product, such as：There is residual remaining on board net or dry without cleaning when oil carrier On the Last Voyages shipment diesel oil, chemicals Only, next voyage ships motor petrol, can make local gasoline gum increase, end point temperature raising, residual quantity increase etc. in cargo tank； On the Last Voyages shipment gasoline remaining on board is net, and next voyage ships diesel oil, and local Flash Point of Diesel temperature in cargo tank can be made to decline；Or in oil carrier In transit, before unsnatching oil, artificially reconcile oil product, exchange water mixing, incorporation low grade oils.These belong to contaminated product, warp The oil product after pollution is crossed if it is uniform sampled inspection, oil quality result can occur significantly to change and be found.So And the oil product majority after pollution is non-uniform, possible folder, which has, in certain local spaces of the uneven oil product of a batch does not conform to Lattice oil product or serious low grade oils.Current oil sampling device all cannot accurately take holostrome sample, be unable to on-the-spot testing detection oil The presentation quality of product makes the oil product for having apparent stigma of degeneracy not be found and cause the accident.It is therefore necessary to design one kind Sample representation can be improved, sampling the oil product of on-the-spot testing range estimation oil product presentation quality, the existing apparent stigma of degeneracy of monitoring Petroleum liquid samples colour comparatour, reinforces the presentation quality monitoring of oil depot and Loss of Oil Products at Gas Station.

Invention content

It is an object of the present invention to place against the above deficiency, provide a kind of liquid petroleum liquid sampling colour comparatour and its Installation, application method, by improving samples' representativeness, enhancing identifies oil product that is uneven, having quality accident risk, and therewith Corresponding application method solves actual use demand.

Petroleum liquid sampling colour comparatour takes following technical scheme to realize：

Petroleum liquid sampling colour comparatour of the present invention is made of containment system, plug control system and rope mechanism；

It is inserted with plug control system in the inside of containment system, plug control system runs through containment system, connects on the top of plug control system It is connected to rope mechanism.

The containment system includes：Sample bin, reference storehouse and original pattern storehouse, be followed successively by from top to bottom sample bin, reference storehouse and Original pattern storehouse forms the combination of three storehouses, is threaded between three storehouses；Or sample bin and reference storehouse, reference storehouse are inserted into and are connected on sample Double storehouses combination in sample bin and reference storehouse is formed at the lower part in product storehouse；Or sample bin is combined with double storehouses in original pattern storehouse, in reference storehouse Lower section is connected with original pattern storehouse, is threaded between two storehouses；Or only setting sample warehouse receipt storehouse, sample bin lower cover set external screw thread, It can couple with funnel.

Sample bin includes handle, upper cover one, casing one, gusset piece one, connecting tube one, lower cover one, cushion rubber one；The set The long tube that Guan Yiwei is hollow and upper lower section is parallel is separately installed with upper cover one and lower cover in upper section and the lower section of casing one One, it is lined with cushion rubber one between upper cover one, lower cover one and casing one, through-hole, through-hole packet are both provided on upper cover one and lower cover one It including upper piston set and upper piston at one center of upper cover and covers two smaller through-holes of edge, through-hole is located inside casing one, Hollow connecting tube one is installed between upper cover one and lower cover one；Connecting tube one is linked together group by inside and outside two casing threads At the lower end of connecting tube one is connect by gusset piece one with connecting rod one；The upper end of connecting tube one is connect with connecting rod two；Connection One tail end of pipe stretches into the inner cavity of siphunculus, and the lower section of connecting tube one is provided with extended end, and screw rod is installed in extended end；Lower cover one with The sample bin for going out liquid is offered between the inner wall of middle piston bush to export；Offered in upper cover one sample bin for feed liquor into Mouth, sample bin import run through upper piston set, and one outer wall of upper cover sets screw thread and couples with funnel, and sealing is equipped between upper cover one and funnel Cushion rubber one；Screw rod is inserted in smaller through-hole, connecting tube three is stretched on the top of screw rod, and the lower end of connecting rod three is connected to lower cover In one.

The upper surface of upper cover one is provided with hanger, handle is movably installed on hanger.

Transparent hurricane globe can be placed in upper cover one.

Reference storehouse include upper cover two, connecting rod, height groove, casing two, connecting tube two, lower cover one, cushion rubber, thermometer insert Seat, thermometer boss, thermometer；Height groove is shown as the 1/2 of sample bin height.

The casing two is the parallel long tube of hollow and upper lower section, is pacified respectively with lower section in the upper section of casing two Equipped with upper cover two and lower cover one, it is both provided with through-hole on upper cover two and lower cover one, through-hole is located inside casing two, is located in through-hole The circle centre position of lower cover one is equipped with hollow connecting tube two；Connecting tube one is cased in connecting tube two；Connecting rod upper end set screw thread with Upper cover one connects；It is equipped with opening in upper cover two, thermometer socket is installed on upper piston, is useful for sealing on thermometer socket Thermometer socket cushion rubber, thermometer boss is provided on thermometer socket, thermometer socket and thermometer boss are concentric Through-hole, thermometer is inserted into thermometer boss.

Original pattern storehouse includes upper cover three, casing three, connecting tube three, funnel connecting tube, platen three, lower cover three, cushion rubber three, cushion rubber Four, original pattern storehouse inlet and outlet, lower piston set.

The casing three is the parallel long tube of hollow and upper lower section, is pacified respectively with lower section in the upper section of casing three Equipped with upper cover three and lower cover three, it is lined with the sealing of cushion rubber three, upper cover three and lower cover respectively between upper cover three, lower cover three and casing three Through-hole is both provided on three, through-hole is located inside casing three, and hollow connecting tube three is equipped between upper cover three and lower cover three； Three tail end siphunculus of connecting tube sets internal thread, and the epimere of the lower section of upper cover three, connecting tube three is provided with platen three, the tail of connecting tube three End internal thread puts on thread connection with lower piston, and the middle part of lower piston set is equipped with opening, is open and is imported and exported for original pattern storehouse, in lower work The lower part of plug sleeve inner wall sets groove for installing cushion rubber four；

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

The plug control system include rope hook control mechanism, connecting tube one, sample speed lid, upper piston mechanism, middle piston mechanism, under Piston mechanism.

In the top clutch disk of connecting tube one, disk is round-meshed disk, and connecting rod, connecting rod are connected on disk Upper end is connected with upper piston mechanism, and by screw hole connecting screw, screw rod is connect by bolt with middle piston mechanism for the lower end of disk, Grooved hole is opened up on the top of lower piston mechanism, and is additionally provided with necking segment above slot, the top setting of necking segment There is the pallet of lower piston mechanism.

Rope hook control mechanism is made of rope hook, pipe cap, spring, pogo barrel, mandril, lock tube；Have in the middle part of pogo barrel Axial section is the hook groove of hooklike aperture；Pogo barrel upper end is equipped with pipe cap, the intracavitary of pogo barrel is equipped with spring, spring One end heads on the inner wall of pipe cap, and the other end pushes K shape mandrils；In the case where locking open state, rope hook enters hook groove, is stuck in K shape mandrils Portion, pogo barrel lower end are equipped with external screw thread, and the lower part of pogo barrel opening is equipped with lock tube, is installed on the top of upper piston central point It is screwed spiral cover to have sample speed lid, sample speed lid, and sample speed lid can adjust height by rotating, pass through the upper cover on sample bin The liquid-inlet being arranged on one covers the gap to form that a difference in height is H with sample speed, and height difference H is adjusted by adjusting sample speed lid Height, and then adjust sample introduction speed；Sample speed lid is screwed, upper piston, middle piston can be kept to be in top dead centre state, closed sample The upper and lower inlet and outlet in product storehouse.

Plug control system is disposed with upper piston mechanism, middle piston mechanism and lower piston machine along same axle center from top to bottom Structure.

Upper piston, middle piston in plug control system, lower piston system are sleeved in sample bin, reference storehouse and original pattern storehouse and axially slide Dynamic, sliding stroke has three kinds of top dead centre state, lower dead center state, parallel dotted state working conditions；It fills in control system and controls sample bin With the inlet and outlet in original pattern storehouse, sample bin import is passed through in the liquid in-out of reference Hatch Opening and exhaust；Fill in control system respectively in sample bin Upper cover one, the upper cover three in original pattern storehouse is equipped with air inlet/outlet one.

Upper piston mechanism includes upper piston, upper piston, disk outer diameter be less than the internal diameter of upper piston sets of holes, upper piston uplink It is in closed state to be inserted into upper piston set, plays the role of the import of sealed sample storehouse；Upper piston is equipped with through-hole and fills thermometer socket；On Piston centre sets through-hole and can be connect with pogo barrel, be inserted into thermometer or density in the casing that is arranged in thermometer socket Meter.

Middle piston mechanism includes middle piston, and middle piston bush is matched with middle piston, and middle piston is located in middle piston bush, in Piston includes bolt, screw rod；

Middle piston mechanism is located inside the middle piston bush in sample bin, and sample bin outlet is additionally provided on middle piston bush, Middle piston is formed by upper and lower two piston blocks by bolt combination, and screw rod is connected with from top to bottom at the center of middle piston, Middle piston annular groove is provided in the middle part of middle piston；The middle piston bush cushion rubber to seal is provided in middle piston bush, Middle piston bush cushion rubber coordinates with middle piston annular groove；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 lower part offers lower piston Annular groove；Lower piston set is matched with lower piston, lower piston is located in lower piston set, and lower piston set is positioned at lower cover three In through-hole, it is recessed that lower piston set includes lower piston set through-hole, lower piston puts on the lower screw thread of screw thread, lower piston set, lower piston collar-shaped Slot, lower piston cover cushion rubber；The annular groove of lower piston end is imported and exported for original pattern storehouse, for liquid disengaging original pattern storehouse.

Rope mechanism is made of becket bridle, sampling rope, length digit plate, and the one end for sampling rope is connected on rope hook, the other end Be connected with becket bridle, sampling rope on be equipped with length digit plate several, can read release sampling rope length, storage when take Sample rope coiling is in becket bridle.

Casing one, casing two, the use of casing three glass, copper, aluminium, stainless steel transparent plastic or the engineering plastics.

Petroleum liquid sampling colour comparatour can select the mode of a variety of installations, including：The installation in sample warehouse receipt storehouse；Sample bin With reference storehouse or sample bin installation is combined with double storehouses in original pattern storehouse；Sample bin, reference storehouse and the combination installation of three storehouses in original pattern storehouse.

It dismantles and combines in single storehouse

Sample bin, reference storehouse and these three storehouses of original pattern storehouse can individually dismantle and combine installation,

The lower end for the lower cover being arranged on sample bin or reference orlop portion is also respectively provided with external screw thread one and external screw thread two, External screw thread one is for connecting funnel, and external screw thread two is for connecting funnel connecting tube.

When sample warehouse receipt storehouse, each component of sample bin is connected, in order to meet transferring oil tank car, refueling nozzle releases oil sample, range estimation The needs of oil sample presentation quality, sample bin upper cover one be equipped with external screw thread, can couple with funnel, funnel and sample bin upper cover one Between sealing use cushion rubber；Funnel can also couple in sample bin lower end with one external screw thread of lower cover, and holostrome sample or oil tank is taken to go out Fast and easy is pinpointed when the sample of oral fluid face.

It dismantles and combines in more storehouses

Double storehouse combinations；First, sample bin is combined with reference storehouse.Lower cover one is inserted into the lower end of casing two, upper end is socketed reference Reference storehouse upper cover two is inserted into the lower end of storehouse upper cover two, casing one, and sample bin upper cover one, uses connecting rod on the upper end cover of casing one Threaded upper ends through-hole smaller in the upper cover one of sample bin couple and screw with screw rod；Stopper rod control system is passed through into sample again Product storehouse upper cover one makes the hollow connecting tube one of insertion be connect with middle piston and screw rod；Second is that sample bin is combined with original pattern storehouse, After sample bin connection, then by original pattern storehouse, pass through threaded upper ends and the thread connection under middle piston bush of funnel connecting tube；Unclamp spiral shell Bar, it is detachable to detach sample bin and reference storehouse；Screw rod is unclamped plug control system can be removed or placed into from upper piston set.

It combines in three storehouses；When sample bin is combined with reference storehouse, original pattern storehouse, sample bin combine with double storehouses in reference storehouse connection with Afterwards, then by combination the original pattern storehouse being connected, with thread connection under the threaded upper ends of funnel connecting tube and middle piston bush.

Working condition（By taking three storehouses are combined as an example）

Top dead centre state：Rope hook is hooked in hook groove, and lifting rope hook makes plug control system uplink, upper piston be inserted into upper piston set； Meanwhile in middle piston stroking upward insertion in piston bush, piston bush cushion rubber in the fitting of middle piston annular groove lower face uplink is in the following, close The sample export of middle piston bush is closed, cushion rubber seals；Lower piston downlink, under the fitting of lower piston annular groove upper surface downlink Above piston bush cushion rubber, the sample inlet and outlet of lower piston set are closed, cushion rubber seals；At this time the liquid on sample bin into Close All is imported and exported in mouth, original pattern storehouse.

Lower dead center state：Rope hook is hooked in hook groove, reaches sample position, about 10-30 centimetres of upper lifting rope hook dramatic decrease again 10-30 centimetres.Rope hook moment loses pulling force, pops up automatic clamping after hook groove and stops handle, and plug control system is detached from after rope hook due to dead weight Vertical to decline, upper piston declines, and when in the middle in the fitting of piston annular groove upper surface downlink above piston bush cushion rubber, stops declining As lower dead center；Meanwhile lower piston annular groove upper surface is still bonded above lower piston set cushion rubber；At this point, the liquid of sample bin It is in sample introduction state that import, which is opened, meanwhile, sample bin outlet, original pattern storehouse inlet and outlet are in closed state.

Parallel dotted state：Rope hook is hooked on handle.Lifting rope hook, plug control system are in lower dead center state because dead weight declines, put When lower petroleum liquid sampling colour comparatour, the end of lower piston first is stopped declining by the reaction force of bottom, works as petroleum liquid Sampling colour comparatour storehouse seat end drops to, as parallel dotted state parallel with the end of lower piston；At this point, lower piston annular groove Upper surface is imported and exported higher than original pattern storehouse, and lower piston annular groove lower face covers cushion rubber less than lower piston, and 40-2 is imported and exported in original pattern storehouse Channel open, air inlet/outlet opens simultaneously.

Parallel dotted state is only in original pattern storehouse or the end of sample bin and the end of lower piston or middle piston in same level Shi Caineng is realized.

The application method of petroleum liquid sampling colour comparatour includes point sample sampling, whole sample samples, bottom samples, it is high to survey water Sampling, oil product temperature measuring, oil density measure and the oil product bubble collapse time measurement in any one or more；It makes It is as follows with method：

1.1 range

With petroleum liquid sampling colour comparatour with reference to GB/T 4756《Petroleum liquid hand sample method》, standing tank, iron can be acquired Road tank car, road tank vehicle, ship, bucket fluid sample, the high measurement of petroleum liquid container bottom water, oil product temperature measuring, oil product Density measurement, gasoline bubble extinction time measure, the inspection of basic unit sample appearance quality, appearance between basic unit sample The uniformity matching identification of color.

Petroleum liquid as defined in this method samples colour comparatour, can be used in the petrochemicals for being similar to petroleum liquid The high measurement of sampling, container bottom water, temperature measuring, density measurement, the visual inspection of presentation quality identification.

The application method that petroleum liquid samples colour comparatour includes that point sample sampling method, holostrome sample sampling method and bottom sample take Quadrat method；

1.2 point samples sample

Open sample bin import.Backspin lock tube keeps hook groove unimpeded.Upper rotation sample speed is covered to top, makes the speed of sample introduction most Greatly.Rope hook is inserted into hook groove, lifting rope hook makes plug control systematic vertical rise to top dead centre.Petroleum liquid is sampled into colour comparatour to bearing It is at the uniform velocity carefully put into trapped fuel container, required liquid is deep, and upper lifting rope hook about 15cm declines again within 0.5 second when sample bin import reaches About 15cm makes petroleum liquid sample colour comparatour instantaneous weight loss, and rope hook is ejected hook groove and hooks handle, and plug control system is due to dead weight Decline and open sample bin import, until into full sample.

Oil product in trapped fuel container, washing petroleum liquid sampling colour comparatour and sample bottle to cleannes is taken to accord with as stated above It closes after requiring, then presses spotting methods sampling, prepare reference sample.

1.3 holostrome samples sample

It is appropriate downwards to adjust sample speed lid, sample bin inducer flow area can be reduced, sample injection time is extended, satisfaction takes holostrome sample Time requirement.Lock tube is lowered to extreme lower position, keeps hook groove unimpeded, when opening sample bin import, it is ensured that rope hook can be from hook groove Abjection.Holostrome sample is taken from bottom to up, and declining petroleum liquid with appropriate average rate samples colour comparatour, arrives the upper position of the high interface of tank bottom water It sets, opens sample bin import, move up and take holostrome sample, by consistent speed in the case of no pause, promote petroleum liquid Body sampling colour comparatour returns to out liquid surface.

When promoting petroleum liquid sampling colour comparatour from liquid, its movement speed is selected, petroleum liquid is made to sample colorimetric The sample bin of instrument is filled to 80%, but is no more than 90%.Careful setting-out product are in sample bottle immediately.

When withdrawing whole petroleum liquid sampling colour comparatour from liquid, if filled less than 90%, petroleum liquid can be assumed that Body samples colour comparatour by the way that during pot liquid, oil product has flowed into petroleum liquid from all depth and sampled colour comparatour.If note Full to 90% or more, then sample may be under-represented, should discard samples taken, is used in combination and promotes speed faster, or lowers sample speed Lid extends sample injection time sub-sampling again.

1.4 bottom sample samplings

Petroleum liquid samples colour comparatour into after sample of working to the last minute, and continues to put down, until it is vertically still on tank bottom.The bottom of at Sample storehouse samples colour comparatour into proposition petroleum liquid after full sample.

To needing the sample of quantitative testing original pattern constituent mass, its leakage scenarios of close inspection are answered, such as find that leakage influences When mass component ratio, this sample should be abandoned, cleans up original pattern storehouse and again sub-sampling.

1.5 survey the sampling of water height

1.5.1 operating procedure

Rope hook is hooked in hook groove, and up-regulation lock tube blocks hook groove, and rope hook is prevented to deviate from from hook groove（With sample warehouse receipt storehouse combination or For the petroleum liquid sampling colour comparatour that sample bin is combined with reference storehouse）.

It puts down petroleum liquid sampling colour comparatour to be vertically still on tank bottom, rope hook relaxed state is kept, in aqueous original pattern 2~3min is waited for after into original pattern storehouse, after inside and outside water high balance is consistent in original pattern storehouse, passes through rope hook lifting plug control system Original pattern storehouse is closed to top dead centre, petroleum liquid sampling colour comparatour is driven to return to tank face.The method increase resist impurity card resistance bottom The ability of sample storehouse inlet and outlet.

It proposes petroleum liquid sampling colour comparatour and keeps vertical, the water for reading sample in transparent glass container is high（mm）, read Standard is to 0.5 mm.With separately with ruler measure water it is high when, with the baseplane of petroleum liquid sampling colour comparatour lower cover three for 0 mm starting points, Using the lower edge height of the oil water surface numerical value high as water.With this method can 11 mm of quantitative measurment gas station oil tank to 55 mm's Water is high, and the water of 11 mm of stock tank to 200 mm is high.

1.5.2 calculating

To repeat the high average value of double measurement water, the result high as water in trapped fuel container.

1.5.3 precision

The high difference of secondary duplicate measurements water should be not more than 1mm.

1.6 oil product temperature-measuring methods

With the sampling colour comparatour of pluggable thermometer, when oil product thermometric sample point takes full oil sample, then presses and measure oil temperature Method stops 5 min, proposes sampling colour comparatour, read volume oil temperature ga(u)ge indicating value, after recording oil temperature indicating value, in sampling colour comparatour Sample carry out presentation quality visual inspection, handle samples taken.The measurement knot of oil temperature is calculated by the requirement of oil metering method Fruit.

1.7 oil density assay methods

1.7.1 range

By 1884 density measurement methods of GB/T, the density measurement to the volatile petroleums product such as gasoline.

1.7.2 principle

Oil measurement sampling colour comparatour, is equipped with the device for measuring oil product temperature and density, casing one, the casing two of device Or casing three of glass tube or transparent plastic when being made.Has the function of taking point sample and holostrome sample when sampling.It checks outside oil product Has the function of glass colorimetric cylinder when appearance quality.It can work as densitometer graduated cylinder when measuring density.Sample is taken out out of storage-transport vessel, The original container of sample, be put into glass density meter and thermometer can direct determination sample density.

1.7.3 indignant to state

With oil measurement sampling colour comparatour sampling, the density of the volatile petroleums products such as gasoline is measured, can sampled Scene or experimental determination reduce multiple operation links for influencing density, time saving and energy saving, improve the accuracy of oil metering, Meet the following requirement of GB/T 4756, GB/T 1884 about volatile products sampling and density measurement：

1 when acquiring the sample of volatile oil and product, if it is necessary to avoid the loss of light component, such as density, The measurement of vapour pressure or boiling range, then must not be from the transfer of sample original container, combination or cumulative sample（See 4756 petroleum liquids of GB/T Body hand sample method 7.2.3.1）.

2 is reduce light component loss, and sample should mix in original container and closed system.Note：In open containers Mixed volatilization sample will cause light component to be lost, and the density value that influence is measured（See 1884 densitometries of GB/T 7.1.1）.

3, when density value is for bulk oil metering, survey in bulk oil temperature or close at bulk oil ± 3 DEG C Determine density.The modified error of oil volume can be reduced（See 1884 densitometries 7.2 of GB/T）.

4 GB/T, 1884 densitometries, 9 instrument prepares.Make the temperature of densitometer graduated cylinder and densitometer close to sample Temperature（See 1884 densitometry 7.2.1 of GB/T and its note 2）.

1.7.4 oil density assay method

With oil measurement with colour comparatour is sampled, by oil sampling and temperature-density measurement request, in the sampling of trapped fuel container Point is when taking full oil sample, rests on the min of the sample point >=5, when waiting the temperature of the sampling inside and outside oil product of colorimetric appearance device identical consistent, It proposes sampling colour comparatour, screws sample speed lid, be vertically disposed on platform, spring is taken out from the upper piston centre bore of sampling colour comparatour Casing, the amount of being put into oleo meter（When there is wind at scene, the transparent hurricane globe in the upper cover of sampling colour comparatour, cover）, by oil product standard Specified GB/T 1884,1885 test methods of GB/T measurement oil product temperature and density.

1.8 oil product presentation quality uniformities are assessed

1.8.1 visually rank is sampled

Petroleum liquid sampling colour comparatour is carried, to being sampled by cabin with batch each vehicle, ship oil product, compares and estimates each cabin sample and reference The presentation quality of sample in storehouse：Color, clarity, water is miscellaneous, whether stickiness, smell etc. are identical consistent.When identical consistent, it can comment Estimate uniform for the presentation quality of this batch of oil product；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.Detection of the sample Jing Guo presentation quality in original pattern storehouse, needs Collection and conservation bottom sample When, lower piston can be promoted, is imported and exported from original pattern storehouse and releases original pattern in sample bottle, otherwise put 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 It releases（Can not simultaneously setting-out, prevent two storehouse samples from mutually mixing）.

Reference storehouse sample treatment.After comparing each basic unit sample, poured out by the inlet and outlet in reference storehouse.Detect car and boat The reference sample of oil product presentation quality, can be kept in dark place one day in reference storehouse, receiving tank is discharged into for Determination before unloading The presentation quality of oil product.

Sample bin sample treatment.When preparing point sample, sample is individually shifted and is placed on a clean empty sample bottle；

When preparing Composite sample, the amount of the ratio of determination is transferred in clean combined sample bottle；When preparing reference sample, wait for The same batch of oil product taken is multiple basic units, and head is taken basic unit（With any one basic unit in criticizing）Sample in reference storehouse Product cover closed, the standard sample as references such as color, clarities.

To representational sample, it should be preserved and examined by regulation approved sample.It, should be according to uneven oil to non-uniform oil product The regulation of product sampling method is sampled and is examined.Non-homogeneous fluid sample, which is acquired, with the sampling method of uniform liquid will have a direct impact on sample The representativeness of product.

1.9 oil product bubble collapse chronometry

1.9.1 range

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

1.9.2 meaning

Meet the normal gasoline of existing quality standard, the extinction time of bubble works as gasoline generally all at 2 to 3 seconds or so When quality is contaminated, goes bad, viscosity colloid increases, the extinction time of bubble can significantly extend.Gasoline bubble collapse Time increases by 1 second than same kind specification gasoline, and usual gum level is unqualified, can influence the normal work of petrol engine Make.This feature is applied to the quality examination that gas station sells last critical point before oil, for preventing the oil product of accident hazard outbound, Ensure oil product safe operation, there is 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, transparent glass product, transparent glass container, bubble collapse time detector.

Timer:Stopwatch, minimum division value 0.01 second.

1.9.4 sampling

Oil sampling in the trapped fuel container detected to needs will release half after presentation quality inspection in sample bin Sample retains at sample liquid level to 1/2 height groove of sample bin, the extinction time for measuring bubble.

1.9.5 the measurement of bubble collapse time

1 prepares.Place other than one meter of gasoline cistern tank mouth, the sample liquid level of portable petroleum liquid sampling colour comparatour with Lower part keeps its axial line vertical.

2 measure.In the state that the portable petroleum liquid sampling colour comparatour of holding is vertical, position height is constant, with level Front and back about 10 centimetres of amplitude, the micro- power of equilibrium to push and pull reciprocation type are shaken, and round-trip shake was primary every time, with about 1.5 seconds Five speed is shaken altogether to shake, starts manual time-keeping while end is shaken at the 5th time, pays attention to observing sample liquid level bubble Extinction time stop stopwatch immediately when the last one bubble collapse of sample liquid level, read standard to 0.01 second, record bubble production The raw time to disappearance.

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

4 precision.Same operator, with same sample under identical temperature condition, two results of replication it Difference should not exceed 0.20 second.

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

Compared with sampling equipment used at present in the market, the invention has the advantages that：

1, the speed of sample introduction is adjustable.It is equipped with sample speed lid, sample introduction speed can be adjusted, remain turned-off sealed sample storehouse Inlet and outlet, suitable for taking holostrome sample, the range of sampling wide from bottom to up.

2, the opening and closing of lock tube control hook groove, using flexible are equipped with.

3, it is equipped with coaxial setting-out mouth.The sample of sample bin and original pattern storehouse can shift discharge or individually successively turn respectively simultaneously Move discharge；Sample bin setting-out channel is the axle center hole setting-out mouth of middle pistion recess, funnel connecting tube, lower piston；Original pattern storehouse sample Access way be original pattern storehouse inlet and outlet, lower piston outer wall end groove port.

4, the length scale division value of the amount high ruler of water is that 1mm/ is indexed or 0.5mm/ indexing, the readable high indicating value of water intaking measure the high ruler of water Relevant parameter intuitive and convenient can be read in connecting rod.

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

6, the becket bridle outer circle of rope mechanism is equipped with groove, and stainless steel wire rope mechanism is looped around in the groove of becket bridle, uses When folding and unfolding it is simple, not oil suction, is not wound not perverse hand, small, light-weight, sampling fixed point is accurate.

7, upper, middle and lower portion coaxial package cylinder upper piston, middle piston, the lower piston of control system, the outer ring surface of piston are filled in It is slidably matched with the inner ring surface coaxial line of piston bush.When sampling, plug control system uplink is the pulling force for relying on rope mechanism upward, under Using plug control system from gravity when row, by the reaction force for being sampled container bottom when parallel point, using simple.

8, the outer ring surface of upper piston can be inserted into upper piston set, play a part of to close sample bin import.

9, middle piston overlap aperture is exported as sample bin, and the middle and lower part of middle piston sets annular groove, and slot, hole are relatively the same as high When, the outlet of sample bin is open-minded, and the lower inner wall of middle piston bush sets annular groove installation rubber sealing and positioning, lower piston set with The structural principle of middle piston bush is similar.

10, the lower inner wall of lower piston set sets annular groove installation rubber sealing and positioning, and cushion rubber top is plug control system The lower dead center positioning surface of downlink, cushion rubber lower part are the top dead centre positioning surface of plug control system uplink；The outer wall end of lower piston sets ring Connected in star, groove is suitable for reading to fit to cushion rubber top as lower dead center with plug control system descending, and mouth is with plug control system uplink patch under groove It is top dead centre to close cushion rubber lower part.

11, petroleum liquid sampling colour comparatour setting sample bin, reference storehouse, original pattern storehouse, each basic unit take point sample or Holostrome sample, bottom sample, survey water are high, measurement oil temperature, measure density, the presentation quality of sample is estimated in comparison, measures oil product bubble disappears The time is lost, can be completed with a step, it is accurate, efficient.

12, sample bin upper cover is equipped with funnel, can pick up the oil product of transferring oil tank car, fuel charger, visually inspect oil product Presentation quality；By funnel and sample bin lower cover thread connection, fast and easy is pinpointed when taking holostrome sample or tank outlet liquid level sample.

Description of the drawings

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

Fig. 1 is structural schematic diagram (the three storehouse group of sample bin, reference storehouse and original pattern storehouse that petroleum liquid of the present invention samples colour comparatour It closes, sample bin top is connected with funnel, and is inserted into thermometer).

Fig. 2 is that petroleum liquid of the present invention sampling colour comparatour installs transparent hurricane globe in upper cover one and reference storehouse lower end connects There is the structural schematic diagram (the double storehouse combinations of sample bin and reference storehouse, and be inserted into thermometer and densitometer) when funnel.

Fig. 3 is the structural schematic diagram that petroleum liquid of the present invention samples colour comparatour（Sample bin and reference storehouse are combined, under reference storehouse End is connected with funnel, and is inserted into thermometer）.

Fig. 4 is that petroleum liquid of the present invention samples structural schematic diagram of the sample bin when upper end is connected with funnel in colour comparatour.

Fig. 5 is structure when reference storehouse and sample bin tail end link together in petroleum liquid of the present invention sampling colour comparatour Schematic diagram.

Fig. 6 is the structural schematic diagram that petroleum liquid of the present invention samples original pattern storehouse in colour comparatour.

Fig. 7 is that upper piston, the middle piston that petroleum liquid of the present invention samples in colour comparatour in plug control system are connected with lower piston Structural schematic diagram when together.

Fig. 8 is that petroleum liquid of the present invention samples thermometer boss in colour comparatour, thermometer socket is being inserted into upper piston center Structural schematic diagram when point between upper piston.

Fig. 9 is the schematic cross-sectional view that petroleum liquid of the present invention samples upper cover one in colour comparatour.

Figure 10 is the schematic cross-sectional view that petroleum liquid of the present invention samples lower cover one in colour comparatour.

Specific implementation mode

Referring to figs. 1 to Figure 10 it is found that petroleum liquid of the present invention samples colour comparatour by containment system, plug control system and crosser Structure forms；

It is inserted with plug control system in the inside of containment system, plug control system runs through containment system, connects on the top of plug control system It is connected to rope mechanism.

The containment system includes：Sample bin, reference storehouse and original pattern storehouse, be followed successively by from top to bottom sample bin, reference storehouse and Original pattern storehouse forms the combination of three storehouses, is threaded between three storehouses；Or sample bin and reference storehouse, reference storehouse are inserted into and are connected on sample Double storehouses combination in sample bin and reference storehouse is formed at the lower part in product storehouse；Or sample bin is combined with double storehouses in original pattern storehouse, in reference storehouse Lower section is connected with original pattern storehouse, is threaded between two storehouses；Or only setting sample warehouse receipt storehouse, sample bin lower cover set external screw thread, It can couple with funnel 2-1.

Referring to Fig. 1-Fig. 5 and Fig. 9-Figure 10 it is found that sample bin includes handle 1, upper cover 1, casing 1, gusset piece one 4, connecting tube 1, lower cover 1, cushion rubber 1；The casing 1 is the parallel long tube of hollow and upper lower section, in casing 1 Upper section and lower section be separately installed with upper cover 1 and lower cover 1, be lined between upper cover 1, lower cover 1 and casing 1 Through-hole is both provided on cushion rubber 1, upper cover 1 and lower cover 1, through-hole includes the upper piston set 2-4 being located at one center of upper cover Two smaller through-holes, through-hole are located inside casing 1, are installed between upper cover 1 and lower cover 1 with the edges upper piston set 2-4 There is hollow connecting tube 1；Connecting tube 1 is linked together by inside and outside two casing threads and is formed, and the lower end of connecting tube 1 is logical Gusset piece 1 is crossed to connect with one 7-3 of connecting rod；The upper end of connecting tube 1 is connect with two 2-5 of connecting rod；One 5 tail end of connecting tube is stretched Enter the inner cavity of siphunculus 7-3, the lower section of connecting tube 1 is provided with extended end, and screw rod 41 is installed in extended end；In lower cover 1 in The sample bin for going out liquid is offered between the inner wall of piston bush 7-1 exports 7-2；The sample for feed liquor is offered in upper cover 1 Product storehouse import 2-3, sample bin import 2-3 cover 2-4 through upper piston, and one 2 outer wall of upper cover sets screw thread 2-6 and couples with funnel 2-1, on One 2-2 of sealing rubber ring is equipped between lid 1 and funnel 2-1；Screw rod 2-8 is inserted in smaller through-hole, the top of screw rod 2-8 is stretched Enter three 10-1 of connecting tube, the lower end of three 10-1 of connecting rod is connected in lower cover 1.

The upper surface of upper cover 1 is provided with hanger, handle 1 is movably installed on hanger.

Transparent hurricane globe 13-1 can be placed in upper cover 1.

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

The casing 2 11 is the parallel long tube of hollow and upper lower section, in upper section and the lower section point of casing 2 11 Upper cover 2 10 and lower cover 1 are not installed, are both provided with through-hole on upper cover 2 10 and lower cover 1, through-hole is located in casing 2 11 Portion, the interior circle centre position positioned at lower cover 1 of through-hole are equipped with hollow connecting tube 2 12；Connecting tube 1 is cased in connecting tube 2 12； The upper ends connecting rod 10-1 set screw thread and are connect with upper cover 1；It is equipped on opening 10-2, upper piston 32-1 and is equipped in upper cover 2 10 Thermometer socket 16 is useful for the thermometer socket cushion rubber 17 of sealing on thermometer socket 16, is provided on thermometer socket 16 Thermometer boss 18, thermometer socket 16 and thermometer boss 18 are concentric through-hole, and temperature is inserted into thermometer boss 18 Count 18-1.

Referring to Fig. 1-Fig. 3 and Fig. 6 it is found that original pattern storehouse includes upper cover 3 19, casing 3 20, three 21-2 of connecting tube, funnel Connecting tube 21-1, platen 3 22, lower cover 3 23, cushion rubber 3 24, cushion rubber 4 25, original pattern storehouse inlet and outlet 23-1, lower piston cover 23-5；

The casing 3 20 is the parallel long tube of hollow and upper lower section, in upper section and the lower section point of casing 3 20 Upper cover 3 19 and lower cover 3 23 are not installed, cushion rubber 3 24 is lined with respectively between upper cover 3 19, lower cover 3 23 and casing 3 20 It is both provided with through-hole on sealing, upper cover 3 19 and lower cover 3 23, through-hole is located inside casing 3 20, upper cover 3 19 and lower cover 3 23 Between hollow three 21-2 of connecting tube is installed；Internal thread, the lower section of upper cover 3 19, connection are set in three 21-2 tail end siphunculus of connecting tube The epimere of three 21-2 of take over is provided with platen 3 22, and tail end internal thread and the lower piston of three 21-2 of connecting tube put on thread connection, The middle part that lower piston covers 23-5 is equipped with opening 23-1, opening 23-1 as original pattern storehouse inlet and outlet, is covered under 23-5 inner walls in lower piston Portion sets groove 23-4 for installing cushion rubber 4 25；

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

Referring to Fig. 1-Fig. 7 it is found that the plug control system include rope hook control mechanism 29, connecting tube 1, sample speed lid 31, on Piston mechanism 32, middle piston mechanism 33, lower piston mechanism 40.

In the top clutch disk 30 of connecting tube 1, disk is round-meshed disk, and connecting rod 2- is connected on disk 30 The upper end 5, connecting rod 2-5 is connected with upper piston mechanism 32, and by screw hole connecting screw 41, screw rod 41 passes through spiral shell for the lower end of disk 30 Bolt 33-3 is connect with middle piston mechanism 33, opens up grooved hole 40-2 on the top of lower piston mechanism 40, and slot 40-2's Top is additionally provided with necking segment, and the pallet 40-6 of lower piston mechanism 40 is provided with above necking segment.

Rope hook control mechanism 29 is by rope hook 29-1, pipe cap 29-2, spring 29-3, pogo barrel 29-4, mandril 29-5, lock tube 29-6 is formed；It is the hook groove 29-7 of hooklike aperture to have axial section in the middle part of pogo barrel 29-4；Pacify the upper ends pogo barrel 29-4 Intracavitary equipped with pipe cap 29-2, pogo barrel 29-4 is equipped with spring 29-3, and one end of spring 29-3 heads on the inner wall of pipe cap 29-2, The other end pushes K shape mandrils 29-5；In the case where locking open state, rope hook 29-1 enters hook groove 29-7, is stuck in the middle part of K shapes mandril, spring The lower ends casing 29-4 are equipped with external screw thread, and the lower part of pogo barrel 29-4 openings 29-7 is equipped with lock tube 29-6, in upper piston 32-1 The top of heart point is equipped with sample speed lid 31, and sample speed lid 31 is screwed spiral cover, and sample speed lid 31 can adjust height by rotating Degree forms the gap that a difference in height is H by the liquid-inlet 9 and the sample speed lid 31 that are arranged in the upper cover 1 on sample bin, leads to Sample speed lid 31 is overregulated to adjust the height of height difference H, and then adjusts sample introduction speed；Screw sample speed lid, can keep upper piston, Middle piston is in top dead centre state, the upper and lower inlet and outlet of closed sample bin.

Referring to Fig. 1-Fig. 5 and Fig. 7 it is found that plug control system is disposed with upper piston mechanism along same axle center from top to bottom 32, middle piston mechanism 33 and lower piston mechanism 40.

Upper piston, middle piston in plug control system, lower piston system are sleeved in sample bin, reference storehouse and original pattern storehouse and axially slide Dynamic, sliding stroke has three kinds of top dead centre state, lower dead center state, parallel dotted state working conditions；It fills in control system and controls sample bin With the inlet and outlet in original pattern storehouse, sample bin import 2-3 is passed through in the liquid in-out of reference Hatch Opening and exhaust；Fill in control system respectively with sample bin In upper cover one, the upper cover 3 19 in original pattern storehouse is equipped with one 40-2 of air inlet/outlet.

Upper piston mechanism 32 includes upper piston 32-1, upper piston 32-1, disk 30 outer diameter be less than upper piston set 2-4 holes Internal diameter, it is in closed state that upper piston 32-1 uplinks, which are inserted into upper piston set 2-4, plays the role of the import of sealed sample storehouse；Upper piston Equipped with through-hole dress thermometer socket 16；Upper piston center sets through-hole 32-2 and can connect with pogo barrel 29-4, be inserted in thermometer Thermometer 18-1 or densitometer 13 are inserted into the casing 18 being arranged in seat 16.

Middle piston mechanism 33 includes middle piston 33-1, and middle piston bush 7-1 is matched with middle piston 33-1, middle piston 33-1 In middle piston bush 7-1, middle piston 33-1 includes bolt 33-3, screw rod 41；

Middle piston mechanism is located inside the middle piston bush 7-1 in sample bin, and sample bin is additionally provided on middle piston bush 7-1 Export 7-2, middle piston 33-1 is composed of upper and lower two piston blocks by bolt 33-3, at the center of middle piston from up to Under be connected with screw rod 41, piston annular groove 33-5 in being provided in the middle part of middle piston 33-1；It is arranged in middle piston bush 7-1 There are the middle piston bush cushion rubber 32-2 to seal, middle piston bush cushion rubber 32-2 and middle piston annular groove 33-5 cooperation；Middle work Plug 33-1 is slided in middle piston bush 7-1.

Lower piston mechanism 40 includes lower piston；The top of lower piston 40-1 outer walls offers air inlet/outlet 40-2, and lower part is opened Equipped with lower piston annular groove 40-4；Lower piston has been matched with lower piston 40-1 and has covered 23-5, and lower piston 40-1 is located at lower work In plug sleeve 23-5, lower piston set 23-5 is located in the through-hole of lower cover 3 23, lower piston set 23-5 include lower piston cover through-hole 23-1, Lower piston puts on the lower screw thread 23-2 of screw thread 23-3, lower piston set, lower piston lantern ring connected in star 23-4, lower piston set cushion rubber 25；Under The annular groove 40-4 of the ends piston 40-1 imports and exports for original pattern storehouse, for liquid disengaging original pattern storehouse.

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

Casing 1, casing 2 11, the use of casing 3 20 glass, copper, aluminium, stainless steel transparent plastic or the engineering plastic Material.

Petroleum liquid sampling colour comparatour can select the mode of a variety of installations, including：The installation in sample warehouse receipt storehouse；Sample bin With reference storehouse or sample bin installation is combined with double storehouses in original pattern storehouse；Sample bin, reference storehouse and the combination installation of three storehouses in original pattern storehouse.

It dismantles and combines in single storehouse

Sample bin, reference storehouse and these three storehouses of original pattern storehouse can individually dismantle and combine installation,

The lower end for the lower cover 7 being arranged on sample bin or reference orlop portion is also respectively provided with one 7-7 of external screw thread and outer spiral shell Two 7-5 of line, one 7-7 of external screw thread are for connecting funnel 2-1, and two 7-5 of external screw thread is for connecting funnel connecting tube 21-1.

When sample warehouse receipt storehouse, each component of sample bin is connected, in order to meet transferring oil tank car, refueling nozzle releases oil sample, range estimation The needs of oil sample presentation quality, sample bin upper cover 1 be equipped with external screw thread 2-6, can couple with funnel 2-1, funnel 2-1 and sample Sealing between product storehouse upper cover 1 uses cushion rubber 2-2；Funnel 2-1 can also join in sample bin lower end with one 7 external screw thread of lower cover It connects, fast and easy is pinpointed when taking holostrome sample or tank outlet liquid level sample.

It dismantles and combines in more storehouses

Double storehouse combinations；First, sample bin is combined with reference storehouse.Lower cover 1, upper end socket are inserted into the lower end of casing 2 11 Reference storehouse upper cover 2 10, the sample bin upper cover on the upper end cover of casing 1 are inserted into the lower end of reference storehouse upper cover 2 10, casing 1 One 2, coupled and screwed with screw rod 2-8 with the threaded upper ends of connecting rod 10-1 through-hole smaller in the upper cover one of sample bin；Again By stopper rod control system by sample bin upper cover 1, the hollow connecting tube 1 of insertion is made to connect with middle piston 33 and screw rod 41 It connects；Second is that sample bin is combined with original pattern storehouse, after sample bin connection, then by original pattern storehouse, pass through the upper of funnel connecting tube 21-1 End screw thread couples with screw thread 7-5 under middle piston bush；Screw rod 2-8 is unclamped, it is detachable to detach sample bin and reference storehouse；Unclamp screw rod 41 Plug control system can be covered from upper piston in 2-4 and be removed or placed into.

It combines in three storehouses；When sample bin is combined with reference storehouse, original pattern storehouse, sample bin combine with double storehouses in reference storehouse connection with Afterwards, then by combination the original pattern storehouse being connected, is coupled with the threaded upper ends of funnel connecting tube 21-1 with screw thread 7-5 under middle piston bush.

Working condition（By taking three storehouses are combined as an example）

Top dead centre state：Rope hook is hooked in hook groove, and lifting rope hook makes plug control system uplink, upper piston be inserted into upper piston set； Meanwhile in middle piston stroking upward insertion in piston bush, piston bush cushion rubber in the fitting of middle piston annular groove lower face uplink is in the following, close The sample export of middle piston bush is closed, cushion rubber seals；Lower piston downlink, under the fitting of lower piston annular groove upper surface downlink Above piston bush cushion rubber, the sample inlet and outlet of lower piston set are closed, cushion rubber seals；Liquid-inlet on sample bin at this time 9,40-2 Close Alls are imported and exported in original pattern storehouse.

Lower dead center state：Rope hook is hooked in hook groove, reaches sample position, about 10-30 centimetres of upper lifting rope hook dramatic decrease again 10-30 centimetres.Rope hook moment loses pulling force, pops up automatic clamping after hook groove and stops handle, and plug control system is detached from after rope hook due to dead weight Vertical to decline, upper piston declines, and when in the middle in the fitting of piston annular groove upper surface downlink above piston bush cushion rubber, stops declining As lower dead center；Meanwhile lower piston annular groove upper surface is still bonded above lower piston set cushion rubber；At this point, the liquid of sample bin It is in sample introduction state that import 9, which is opened, meanwhile, sample bin exports 7-2, original pattern storehouse inlet and outlet 40-2 is in closed state.

Parallel dotted state：Rope hook is hooked on handle.Lifting rope hook, plug control system are in lower dead center state because dead weight declines, put When lower petroleum liquid sampling colour comparatour, the end of lower piston first is stopped declining by the reaction force of bottom, works as petroleum liquid Sampling colour comparatour storehouse seat end drops to, as parallel dotted state parallel with the end of lower piston；At this point, lower piston annular groove Upper surface is imported and exported higher than original pattern storehouse, and lower piston annular groove lower face covers cushion rubber less than lower piston, and 40-2 is imported and exported in original pattern storehouse Channel open, air inlet/outlet opens simultaneously.

Parallel dotted state is only in original pattern storehouse or the end of sample bin and the end of lower piston or middle piston in same level Shi Caineng is realized.

The application method of petroleum liquid sampling colour comparatour, which includes point sample sampling, whole sample samples, bottom samples, surveys water height takes Sample, oil product temperature measuring, oil density measure and the oil product bubble collapse time measurement in any one or more；It is used Method is as follows：

1.2 range

With petroleum liquid sampling colour comparatour with reference to GB/T 4756《Petroleum liquid hand sample method》, standing tank, iron can be acquired Road tank car, road tank vehicle, ship, bucket fluid sample, the high measurement of petroleum liquid container bottom water, oil product temperature measuring, oil product Density measurement, gasoline bubble extinction time measure, the inspection of basic unit sample appearance quality, appearance between basic unit sample The uniformity matching identification of color.

Petroleum liquid as defined in this method samples colour comparatour, can be used in the petrochemicals for being similar to petroleum liquid The high measurement of sampling, container bottom water, temperature measuring, density measurement, the visual inspection of presentation quality identification.

The application method that petroleum liquid samples colour comparatour includes that point sample sampling method, holostrome sample sampling method and bottom sample take Quadrat method；

1.2 point samples sample

Open sample bin import.Backspin lock tube keeps hook groove unimpeded.Upper rotation sample speed is covered to top, makes the speed of sample introduction most Greatly.Rope hook is inserted into hook groove, lifting rope hook makes plug control systematic vertical rise to top dead centre.Petroleum liquid is sampled into colour comparatour to bearing It is at the uniform velocity carefully put into trapped fuel container, required liquid is deep, and upper lifting rope hook about 15cm declines again within 0.5 second when sample bin import reaches About 15cm makes petroleum liquid sample colour comparatour instantaneous weight loss, and rope hook is ejected hook groove and hooks handle, and plug control system is due to dead weight Decline and open sample bin import, until into full sample.

Oil product in trapped fuel container, washing petroleum liquid sampling colour comparatour and sample bottle to cleannes is taken to accord with as stated above It closes after requiring, then presses spotting methods sampling, prepare reference sample.

1.3 holostrome samples sample

It is appropriate downwards to adjust sample speed lid, sample bin inducer flow area can be reduced, sample injection time is extended, satisfaction takes holostrome sample Time requirement.Lock tube is lowered to extreme lower position, keeps hook groove unimpeded, when opening sample bin import, it is ensured that rope hook can be from hook groove Abjection.Holostrome sample is taken from bottom to up, and declining petroleum liquid with appropriate average rate samples colour comparatour, arrives the upper position of the high interface of tank bottom water It sets, opens sample bin import, move up and take holostrome sample, by consistent speed in the case of no pause, promote petroleum liquid Body sampling colour comparatour returns to out liquid surface.

When promoting petroleum liquid sampling colour comparatour from liquid, its movement speed is selected, petroleum liquid is made to sample colorimetric The sample bin of instrument is filled to 80%, but is no more than 90%.Careful setting-out product are in sample bottle immediately.

When withdrawing whole petroleum liquid sampling colour comparatour from liquid, if filled less than 90%, petroleum liquid can be assumed that Body samples colour comparatour by the way that during pot liquid, oil product has flowed into petroleum liquid from all depth and sampled colour comparatour.If note Full to 90% or more, then sample may be under-represented, should discard samples taken, is used in combination and promotes speed faster, or lowers sample speed Lid extends sample injection time sub-sampling again.

1.4 bottom sample samplings

Petroleum liquid samples colour comparatour into after sample of working to the last minute, and continues to put down, until it is vertically still on tank bottom.The bottom of at Sample storehouse samples colour comparatour into proposition petroleum liquid after full sample.

To needing the sample of quantitative testing original pattern constituent mass, its leakage scenarios of close inspection are answered, such as find that leakage influences When mass component ratio, this sample should be abandoned, cleans up original pattern storehouse and again sub-sampling.

1.5 survey the sampling of water height

1.5.1 operating procedure

Rope hook is hooked in hook groove, and up-regulation lock tube blocks hook groove, and rope hook is prevented to deviate from from hook groove（With sample warehouse receipt storehouse combination or For the petroleum liquid sampling colour comparatour that sample bin is combined with reference storehouse）.

It puts down petroleum liquid sampling colour comparatour to be vertically still on tank bottom, rope hook relaxed state is kept, in aqueous original pattern 2~3min is waited for after into original pattern storehouse, after inside and outside water high balance is consistent in original pattern storehouse, passes through rope hook lifting plug control system Original pattern storehouse is closed to top dead centre, petroleum liquid sampling colour comparatour is driven to return to tank face.The method increase resist impurity card resistance bottom The ability of sample storehouse inlet and outlet.

It proposes petroleum liquid sampling colour comparatour and keeps vertical, the water for reading sample in transparent glass container is high（mm）, read Standard is to 0.5 mm.With separately with ruler measure water it is high when, with the baseplane of petroleum liquid sampling colour comparatour lower cover three for 0 mm starting points, Using the lower edge height of the oil water surface numerical value high as water.With this method can 11 mm of quantitative measurment gas station oil tank to 55 mm's Water is high, and the water of 11 mm of stock tank to 200 mm is high.

1.5.2 calculating

To repeat the high average value of double measurement water, the result high as water in trapped fuel container.

1.5.3 precision

The high difference of secondary duplicate measurements water should be not more than 1mm.

1.6 oil product temperature-measuring methods

With the sampling colour comparatour of pluggable thermometer, when oil product thermometric sample point takes full oil sample, then presses and measure oil temperature Method stops 5 min, proposes sampling colour comparatour, read volume oil temperature ga(u)ge indicating value, after recording oil temperature indicating value, in sampling colour comparatour Sample carry out presentation quality visual inspection, handle samples taken.The measurement knot of oil temperature is calculated by the requirement of oil metering method Fruit.

1.7 oil density assay methods

1.7.1 range

By 1884 density measurement methods of GB/T, the density measurement to the volatile petroleums product such as gasoline.

1.7.2 principle

Oil measurement sampling colour comparatour, is equipped with the device for measuring oil product temperature and density, casing one, the casing two of device Or casing three of glass tube or transparent plastic when being made.Has the function of taking point sample and holostrome sample when sampling.It checks outside oil product Has the function of glass colorimetric cylinder when appearance quality.It can work as densitometer graduated cylinder when measuring density.Sample is taken out out of storage-transport vessel, The original container of sample, be put into glass density meter and thermometer can direct determination sample density.

1.7.3 indignant to state

With oil measurement sampling colour comparatour sampling, the density of the volatile petroleums products such as gasoline is measured, can sampled Scene or experimental determination reduce multiple operation links for influencing density, time saving and energy saving, improve the accuracy of oil metering, Meet the following requirement of GB/T 4756, GB/T 1884 about volatile products sampling and density measurement：

1 when acquiring the sample of volatile oil and product, if it is necessary to avoid the loss of light component, such as density, The measurement of vapour pressure or boiling range, then must not be from the transfer of sample original container, combination or cumulative sample（See 4756 petroleum liquids of GB/T Body hand sample method 7.2.3.1）.

2 is reduce light component loss, and sample should mix in original container and closed system.Note：In open containers Mixed volatilization sample will cause light component to be lost, and the density value that influence is measured（See 1884 densitometries of GB/T 7.1.1）.

3, when density value is for bulk oil metering, survey in bulk oil temperature or close at bulk oil ± 3 DEG C Determine density.The modified error of oil volume can be reduced（See 1884 densitometries 7.2 of GB/T）.

4 GB/T, 1884 densitometries, 9 instrument prepares.Make the temperature of densitometer graduated cylinder and densitometer close to sample Temperature（See 1884 densitometry 7.2.1 of GB/T and its note 2）.

1.7.4 oil density assay method

With oil measurement with colour comparatour is sampled, by oil sampling and temperature-density measurement request, in the sampling of trapped fuel container Point is when taking full oil sample, rests on the min of the sample point >=5, when waiting the temperature of the sampling inside and outside oil product of colorimetric appearance device identical consistent, It proposes sampling colour comparatour, screws sample speed lid, be vertically disposed on platform, spring is taken out from the upper piston centre bore of sampling colour comparatour Casing, the amount of being put into oleo meter（When there is wind at scene, the transparent hurricane globe in the upper cover of sampling colour comparatour, cover）, by oil product standard Specified GB/T 1884,1885 test methods of GB/T measurement oil product temperature and density.

1.8 oil product presentation quality uniformities are assessed

1.8.1 visually rank is sampled

Petroleum liquid sampling colour comparatour is carried, to being sampled by cabin with batch each vehicle, ship oil product, compares and estimates each cabin sample and reference The presentation quality of sample in storehouse：Color, clarity, water is miscellaneous, whether stickiness, smell etc. are identical consistent.When identical consistent, it can comment Estimate uniform for the presentation quality of this batch of oil product；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.Detection of the sample Jing Guo presentation quality in original pattern storehouse, needs Collection and conservation bottom sample When, lower piston can be promoted, is imported and exported from original pattern storehouse and releases original pattern in sample bottle, otherwise put 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 It releases（Can not simultaneously setting-out, prevent two storehouse samples from mutually mixing）.

Reference storehouse sample treatment.After comparing each basic unit sample, poured out by the inlet and outlet in reference storehouse.Detect car and boat The reference sample of oil product presentation quality, can be kept in dark place one day in reference storehouse, receiving tank is discharged into for Determination before unloading The presentation quality of oil product.

Sample bin sample treatment.When preparing point sample, sample is individually shifted and is placed on a clean empty sample bottle；

When preparing Composite sample, the amount of the ratio of determination is transferred in clean combined sample bottle；When preparing reference sample, wait for The same batch of oil product taken is multiple basic units, and head is taken basic unit（With any one basic unit in criticizing）Sample in reference storehouse Product cover closed, the standard sample as references such as color, clarities.

To representational sample, it should be preserved and examined by regulation approved sample.It, should be according to uneven oil to non-uniform oil product The regulation of product sampling method is sampled and is examined.Non-homogeneous fluid sample, which is acquired, with the sampling method of uniform liquid will have a direct impact on sample The representativeness of product.

1.9 oil product bubble collapse chronometries

1.9.1 range

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

1.9.2 meaning

Meet the normal gasoline of existing quality standard, the extinction time of bubble works as gasoline generally all at 2 to 3 seconds or so When quality is contaminated, goes bad, viscosity colloid increases, the extinction time of bubble can significantly extend.Gasoline bubble collapse Time increases by 1 second than same kind specification gasoline, and usual gum level is unqualified, can influence the normal work of petrol engine Make.This feature is applied to the quality examination that gas station sells last critical point before oil, for preventing the oil product of accident hazard outbound, Ensure oil product safe operation, there is 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, transparent glass product, transparent glass container, bubble collapse time detector.

Timer:Stopwatch, minimum division value 0.01 second.

1.9.4 sampling

Oil sampling in the trapped fuel container detected to needs will release half after presentation quality inspection in sample bin Sample retains at sample liquid level to 1/2 height groove of sample bin, the extinction time for measuring bubble.

1.9.5 the measurement of bubble collapse time

1 prepares.Place other than one meter of gasoline cistern tank mouth, the sample liquid level of portable petroleum liquid sampling colour comparatour with Lower part keeps its axial line vertical.

2 measure.In the state that the portable petroleum liquid sampling colour comparatour of holding is vertical, position height is constant, with level Front and back about 10 centimetres of amplitude, the micro- power of equilibrium to push and pull reciprocation type are shaken, and round-trip shake was primary every time, with about 1.5 seconds Five speed is shaken altogether to shake, starts manual time-keeping while end is shaken at the 5th time, pays attention to observing sample liquid level bubble Extinction time stop stopwatch immediately when the last one bubble collapse of sample liquid level, read standard to 0.01 second, record bubble production The raw time to disappearance.

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

4 precision.Same operator, with same sample under identical temperature condition, two results of replication it Difference should not exceed 0.20 second.

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

Claims (7)

1. a kind of petroleum liquid samples colour comparatour, it is characterised in that：It is made of containment system, plug control system and rope mechanism；

It is inserted with plug control system in the inside of containment system, plug control system runs through containment system, is connected on the top of plug control system Rope mechanism；

The containment system includes：Sample bin, reference storehouse and original pattern storehouse are followed successively by sample bin, reference storehouse and original pattern from top to bottom Storehouse forms the combination of three storehouses, is threaded between three storehouses；Or sample bin and reference storehouse, reference storehouse are inserted into and are connected on sample bin Lower part, the double storehouses for forming sample bin and reference storehouse are combined；Or sample bin is combined with double storehouses in original pattern storehouse, the lower section in reference storehouse It is connected with original pattern storehouse, is threaded between two storehouses；Or only setting sample warehouse receipt storehouse, sample bin lower cover set external screw thread, it can Couple with funnel；

Sample bin includes handle, upper cover one, casing one, gusset piece one, connecting tube one, lower cover one, cushion rubber one；The casing one For the parallel long tube of hollow and upper lower section, it is separately installed with upper cover one and lower cover one in upper section and the lower section of casing one, It is lined with cushion rubber one between upper cover one, lower cover one and casing one, is both provided with through-hole on upper cover one and lower cover one, through-hole includes position Upper piston set and upper piston at one center of upper cover cover two smaller through-holes of edge, and through-hole is located inside casing one, upper cover Hollow connecting tube 1 is installed between one and lower cover one；Connecting tube one is linked together by inside and outside two casing threads and is formed, The lower end of connecting tube one is connect by gusset piece one with connecting rod one；The upper end of connecting tube one is connect with connecting rod two；Connecting tube One tail end stretches into the inner cavity of siphunculus, and the lower section of connecting tube one is provided with extended end, and screw rod is installed in extended end；In lower cover one in The sample bin for going out liquid is offered between the inner wall of piston bush to export；Offered in upper cover one sample bin for feed liquor into Mouth, sample bin import run through upper piston set, and one outer wall of upper cover sets screw thread and couples with funnel, and sealing is equipped between upper cover one and funnel Cushion rubber one；Screw rod is inserted in smaller through-hole, connecting tube three is stretched on the top of screw rod, and the lower end of connecting rod three is connected to lower cover In one；

Reference storehouse include upper cover two, connecting rod, height groove, casing 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；

The casing two is the parallel long tube of hollow and upper lower section, is separately installed in upper section and the lower section of casing two It is both provided with through-hole on upper cover two and lower cover one, upper cover two and lower cover one, through-hole is located inside casing two, and lower cover is located in through-hole One circle centre position is equipped with hollow connecting tube two；Connecting tube one is cased in connecting tube two；Connecting rod upper end sets screw thread and upper cover One connection；It is equipped with opening in upper cover two, thermometer socket is installed on upper piston, the temperature of sealing is useful on thermometer socket Degree counts socket cushion rubber, and thermometer boss is provided on thermometer socket, and thermometer socket and thermometer boss are concentric lead to Hole, thermometer boss is interior to be inserted into thermometer；

Original pattern storehouse include upper cover three, casing three, connecting tube three, funnel connecting tube, platen three, lower cover three, cushion rubber three, cushion rubber four, Original pattern storehouse inlet and outlet, lower piston set；

The casing three is the parallel long tube of hollow and upper lower section, is separately installed in upper section and the lower section of casing three Upper cover three and lower cover three are lined with cushion rubber three between upper cover three, lower cover three and casing three and seal, respectively in upper cover three and lower cover three It is both provided with through-hole, through-hole is located inside casing three, and hollow connecting tube three is equipped between upper cover three and lower cover three；Coupling Three tail end siphunculus of pipe sets internal thread, the lower section of upper cover three, and the epimere of connecting tube three is provided with platen three, in the tail end of connecting tube three Screw thread puts on thread connection with lower piston, and the middle part of lower piston set is equipped with opening, is open and is imported and exported for original pattern storehouse, in lower piston set The lower part of inner wall sets groove for installing cushion rubber four；

The plug control system includes rope hook control mechanism, connecting tube one, sample speed lid, upper piston mechanism, middle piston mechanism, lower piston Mechanism；

In the top clutch disk of connecting tube one, disk is round-meshed disk, and connecting rod, connecting rod upper end are connected on disk It is connected with upper piston mechanism, the lower end of disk is by screw hole connecting screw, and screw rod is connect by bolt with middle piston mechanism, under The top of piston mechanism opens up grooved hole, and necking segment is additionally provided with above slot, is provided with down above necking segment The pallet of piston mechanism；

Rope hook control mechanism is made of rope hook, pipe cap, spring, pogo barrel, mandril, lock tube；There is axial direction in the middle part of pogo barrel Section is the hook groove of hooklike aperture；Pogo barrel upper end is equipped with pipe cap, the intracavitary of pogo barrel is equipped with spring, one end of spring The inner wall of pipe cap is headed on, the other end pushes K shape mandrils；In the case where locking open state, rope hook enters hook groove, is stuck in the middle part of K shapes mandril, bullet Spring lower end is equipped with external screw thread, and the lower part of pogo barrel opening is equipped with lock tube, sample is equipped on the top of upper piston central point Speed lid, sample speed lid are screwed spiral cover, and sample speed lid can adjust height by rotating, by the upper cover one on sample bin The liquid-inlet of setting covers the gap to form that a difference in height is H with sample speed, and the height of height difference H is adjusted by adjusting sample speed lid Degree, and then adjust sample introduction speed；Sample speed lid is screwed, upper piston, middle piston can be kept to be in top dead centre state, closed sample bin Upper and lower inlet and outlet；

Plug control system is disposed with upper piston mechanism, middle piston mechanism and lower piston mechanism along same axle center from top to bottom；

Upper piston, middle piston in plug control system, lower piston system are sleeved in sample bin, reference storehouse and original pattern storehouse and slide axially, Sliding stroke has three kinds of top dead centre state, lower dead center state, parallel dotted state working conditions；Fill in control system control sample bin and bottom Sample bin import is passed through in the inlet and outlet in sample storehouse, the liquid in-out of reference Hatch Opening and exhaust；Fill in control system respectively with it is upper in sample bin Gai Yi, the upper cover three in original pattern storehouse are equipped with air inlet/outlet one；

Upper piston mechanism includes upper piston, upper piston, disk outer diameter be slightly less than the internal diameter of upper piston sets of holes, upper piston uplink is inserted It is in closed state to enter upper piston set, plays the role of the import of sealed sample storehouse；Upper piston is equipped with through-hole and fills thermometer socket；Upper work Plug center sets through-hole and can be connect with pogo barrel, be inserted into thermometer or densitometer in the casing that is arranged in thermometer socket；

Middle piston mechanism includes middle piston, and middle piston bush is matched with middle piston, and middle piston is located in middle piston bush, middle piston Including bolt, screw rod；

Middle piston mechanism is located inside the middle piston bush in sample bin, and sample bin outlet, middle work are additionally provided on middle piston bush Plug is formed by upper and lower two piston blocks by bolt combination, screw rod is connected with from top to bottom at the center of middle piston, in middle work Middle piston annular groove is provided in the middle part of plug；The middle piston bush cushion rubber to seal, middle work are provided in middle piston bush Plug sleeve cushion rubber coordinates with middle piston annular groove；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 lower part offers lower piston annular Groove；Lower piston set is matched with lower piston, lower piston is located in lower piston set, through-hole of the lower piston set positioned at lower cover three It is interior, lower piston set include lower piston set through-hole, lower piston put on screw thread, lower piston set descends screw thread, lower piston lantern ring connected in star, under Piston bush cushion rubber；The annular groove of lower piston end is imported and exported for original pattern storehouse, for liquid disengaging original pattern storehouse；

Rope mechanism is made of becket bridle, sampling rope, length digit plate, and the one end for sampling rope is connected on rope hook, other end connection Have becket bridle, sampling rope on be equipped with length digit plate several, can read release sampling rope length, storage when sampling rope Coiling is in becket bridle.

2. petroleum liquid according to claim 1 samples colour comparatour, it is characterised in that：It is provided in the upper surface of upper cover one Hanger is movably installed with handle on hanger.

3. petroleum liquid according to claim 1 samples colour comparatour, it is characterised in that：It can be placed in upper cover one transparent anti- Fan housing.

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

5. petroleum liquid according to claim 1 samples colour comparatour, it is characterised in that：The casing one, casing two, set Pipe three is using glass, copper, aluminium, stainless steel transparent plastic or engineering plastics.

6. the installation method of petroleum liquid sampling colour comparatour described in claim 1, it is characterised in that：Petroleum liquid samples colorimetric Instrument can select the mode of a variety of installations, include the installation in sample warehouse receipt storehouse；Sample bin and reference storehouse or sample bin and original pattern storehouse Double storehouses combination installation；Sample bin, reference storehouse and the combination installation of three storehouses in original pattern storehouse；

It dismantles and combines in single storehouse

Sample bin, reference storehouse and these three storehouses of original pattern storehouse can individually dismantle and combine installation, in sample bin or reference orlop portion The lower end of the lower cover of upper setting is also respectively provided with external screw thread one and external screw thread two, and external screw thread one is for connecting funnel, external screw thread Two for connecting funnel connecting tube；

When sample warehouse receipt storehouse, each component of sample bin is connected, in order to meet transferring oil tank car, refueling nozzle releases oil sample, estimates oil sample The needs of presentation quality, sample bin upper cover one be equipped with external screw thread, can couple with funnel, between funnel and sample bin upper cover one Sealing use cushion rubber；Funnel can also couple in sample bin lower end with one external screw thread of lower cover, take holostrome sample or tank outlet liquid Fast and easy is pinpointed when the sample of face；

It dismantles and combines in more storehouses

Double storehouse combinations；First, sample bin is combined with reference storehouse；Lower cover one is inserted into the lower end of casing two, upper end is socketed on reference storehouse Reference storehouse upper cover two is inserted into lid two, the lower end of casing one, the sample bin upper cover one on the upper end cover of casing one, upper with connecting rod Screw thread through-hole smaller in the upper cover one of sample bin in end couples and screws with screw rod；Stopper rod control system is passed through into sample bin again Upper cover one makes the hollow connecting tube one of insertion be connect with middle piston and screw rod；Second is that sample bin is combined with original pattern storehouse, in sample After the connection of storehouse, then by original pattern storehouse, pass through threaded upper ends and the thread connection under middle piston bush of funnel connecting tube；Screw rod is unclamped, Detachable separation sample bin and reference storehouse；Screw rod is unclamped plug control system can be removed or placed into from upper piston set；

It combines in three storehouses

When sample bin is combined with reference storehouse, original pattern storehouse, join after sample bin combines connection with double storehouses in reference storehouse, then by combination The original pattern storehouse connected, with thread connection under the threaded upper ends of funnel connecting tube and middle piston bush.

7. the application method of petroleum liquid sampling colour comparatour described in claim 1, it is characterised in that：Petroleum liquid samples colorimetric The application method of instrument includes point sample sampling, whole sample sampling, bottom sampling, surveys the sampling of water height, oil product temperature measuring, oil density Measure any one or more in the measurement with the oil product bubble collapse time；Its application method is as follows；

One, point sample samples

Sample bin import is opened, backspin lock tube keeps hook groove unimpeded, and upper rotation sample speed is covered to top, keeps the speed of sample introduction maximum, will Rope hook is inserted into hook groove, and lifting rope hook makes plug control systematic vertical rise to top dead centre, and petroleum liquid sampling colour comparatour is carefully even downwards Speed is put into trapped fuel container, and when sample bin import reaches, required liquid is deep, and upper lifting rope hook about 15cm declines about again within 0.5 second 15cm makes petroleum liquid sample colour comparatour instantaneous weight loss, and rope hook is ejected hook groove and hooks handle, under plug control system is due to dead weight Drop opens sample bin import, until into full sample；

Oil product in trapped fuel container, washing petroleum liquid sampling colour comparatour and sample bottle to cleannes is taken to conform to as stated above After asking, then spotting methods sampling is pressed, prepares reference sample；

Two, holostrome sample samples

It is appropriate downwards to adjust sample speed lid, sample bin inducer flow area can be reduced, extend sample injection time, meet take holostrome sample when Between require, lower lock tube to extreme lower position, keep hook groove unimpeded, when opening sample bin import, it is ensured that rope hook can be deviate from from hook groove, Holostrome sample is taken from bottom to up, and declining petroleum liquid with appropriate average rate samples colour comparatour, arrives the top position of the high interface of tank bottom water, opens Sample bin import is opened, moves up and takes holostrome sample, by consistent speed in the case of no pause, promotes petroleum liquid sampling Colour comparatour returns to out liquid surface；

When promoting petroleum liquid sampling colour comparatour from liquid, its movement speed is selected, makes petroleum liquid sampling colour comparatour Sample bin is filled to 80%, but is no more than 90%, and careful setting-out product are in sample bottle immediately；

When withdrawing whole petroleum liquid sampling colour comparatour from liquid, if filled less than 90%, it can be assumed that petroleum liquid takes By during pot liquid, oil product has flowed into petroleum liquid from all depth and has sampled colour comparatour sample colour comparatour, if fill to 90% or more, then sample may be under-represented, should discard samples taken, is used in combination and promotes speed faster, or lowers sample speed lid and prolong Long sample injection time sub-sampling again；

Three, bottom sample samples

Petroleum liquid samples colour comparatour into after sample of working to the last minute, and continues to put down, until it is vertically still on tank bottom, in original pattern storehouse It is proposed that petroleum liquid samples colour comparatour after into full sample；

To needing the sample of quantitative testing original pattern constituent mass, its leakage scenarios of close inspection are answered, such as find that leakage influences quality When component ratio, this sample should be abandoned, cleans up original pattern storehouse and again sub-sampling；

Four, the sampling of water height is surveyed

Rope hook is hooked in hook groove, and up-regulation lock tube blocks hook groove, and rope hook is prevented to deviate from from hook groove；

It puts down petroleum liquid sampling colour comparatour to be vertically still on tank bottom, keeps rope hook relaxed state, enter in aqueous original pattern 2~3min is waited for behind original pattern storehouse, it is supreme by rope hook lifting plug control system after in original pattern storehouse, inside and outside water high balance is consistent Stop closes original pattern storehouse, drives petroleum liquid sampling colour comparatour to return to tank face, the method increase resist impurity card resistance original pattern storehouse The ability of inlet and outlet；

It proposes petroleum liquid sampling colour comparatour and keeps vertical, the water for reading sample in transparent glass container is high, reads accurate to 0.5 mm；With separately with ruler measure water it is high when, with the baseplane of petroleum liquid sampling colour comparatour lower cover three for 0 mm starting points, with grease point The lower edge height at interface is the high numerical value of water, with this method can quantitative measurment gas station oil tank 11 mm to 55 mm water it is high, oil The water of 11 mm of library oil tank to 200 mm is high；

It calculates, to repeat the high average value of double measurement water, the result high as water in trapped fuel container；

The high difference of secondary duplicate measurements water should be not more than 1mm；

Five, oil product temperature-measuring method

It is inserted into the sampling colour comparatour of thermometer, 5 are stopped when oil product thermometric sample point takes full oil sample, then by the method for measuring oil temperature Min proposes that sampling colour comparatour, read volume oil temperature ga(u)ge indicating value after recording oil temperature indicating value, carry out the sample in sampling colour comparatour Presentation quality is visually inspected, and samples taken is handled；The measurement result of oil temperature is calculated by the requirement of oil metering method；

Six, oil density assay method

It is taken in the sample point of trapped fuel container by oil sampling and temperature-density measurement request with oil measurement sampling colour comparatour When full oil sample, rests on the min of the sample point >=5 and proposed when waiting the temperature of the sampling inside and outside oil product of colorimetric appearance device identical consistent Colour comparatour is sampled, sample speed lid is screwed, is vertically disposed on platform, spring pocket is taken out from the upper piston centre bore of sampling colour comparatour Pipe, the amount of being put into oleo meter, the GB/T 1884 specified by oil product standard, 1885 test methods of GB/T measurement oil product temperature and close Degree；

Seven, the measurement of bubble collapse time

1 prepares；Place other than one meter of gasoline cistern tank mouth, portion below the sample liquid level of portable petroleum liquid sampling colour comparatour Point, keep its axial line vertical；

2 measure；In the state that the portable petroleum liquid sampling colour comparatour of holding is vertical, position height is constant, before and after horizontal About 10 centimetres of amplitude, the micro- power of equilibrium to push and pull reciprocation type are shaken, and round-trip shake is primary every time, is shaken altogether with about 1.5 seconds Dynamic five speed is shaken, and starts manual time-keeping while end is shaken at the 5th time, pays attention to observing disappearing for sample liquid level bubble Lose the time, when the last one bubble collapse of sample liquid level, stop stopwatch immediately, read standard to 0.01 second, record bubble generate to The time of disappearance；

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

4 precision；Same operator, with same sample under identical temperature condition, the difference of two results of replication, no It should be greater than 0.20 second；

5 reports；The measurement result of gasoline bubble extinction time retains two decimals, takes the arithmetic of two results of replication Average value, the bubble collapse time as sample.