CN104359716A - Device capable of performing sampling under pressure on various media in pressure container - Google Patents
Device capable of performing sampling under pressure on various media in pressure container Download PDFInfo
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- CN104359716A CN104359716A CN201410629168.9A CN201410629168A CN104359716A CN 104359716 A CN104359716 A CN 104359716A CN 201410629168 A CN201410629168 A CN 201410629168A CN 104359716 A CN104359716 A CN 104359716A
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Abstract
The invention discloses a device capable of performing sample under pressure on various media in a pressure container. The device mainly comprises a barrel body, an upper cover mechanism, a lower cover mechanism and a sampling mechanism, wherein the barrel body of the device is a main body structure of a sampling device and is used for installing other functional structural parts; the upper cover mechanism is used for sealing the upper part of the barrel body of the device; the lower cover mechanism is used for sealing the lower part of the barrel body of the device; the sampling mechanism is used for sampling various media in the container. The device disclosed by the invention can be used for sampling of the container under pressure without switching process flow of the container or stopping, and can be used for eliminating potential safety hazards while sampling. Besides, the device can be used for sampling various media such as gas, oil, water and sludge in the container, wherein the types and the sampling amount of the sampled medium are not limited. Besides, a lower connector of the device can be fitted with a manhole flange on the upper part of the container, so that the container is not specially modified while being installed.
Description
Technical field
What the present invention relates to is a kind of vessel media sampler, is a kind ofly specifically arranged on the device that medium sampling with pressure can be carried out in pressure vessel top.
Background technology
All kinds of storage tank equal pressure containers of the industries such as petroleum and chemical industry, need regular medium to sample, carry out assay.Medium majority in container is the mediums such as gas, oil, water, also there is certain thickness mixed interface between oil and water two media, in situation with pressure, carries out sampling difficulty larger to the medium of differing heights.At present, the method that pressure vessel carries out sampling with pressure is, when container is built, the medium respective heights place welding stopple coupon in advance in container and mounted valve, to realize pressure medium sampling.The shortcoming of this method is, medium sampling in container is highly fixing, can not sample the medium of arbitrary height, when the medium reserves in container change, the liquid level of various medium also changes, the stopple coupon of level altitude just may extract the medium less than correspondence, the especially mixed interface of two media.Further, for the container come into operation, if do not install sampling line, again installing stopple coupon additional needs welding to get angry, and difficulty of construction is large and there is security risk.If container can not carry out pressure medium sampling, just can only adopt the method that pressure release samples, first switch production procedure or stop the production run that container is relevant, then Pressure Vessel discharges pressure, open the manhole of upper vessel portion again, with lifting rope, routine sampling device is rendered to certain altitude in container and carry out medium sampling.The shortcoming of this method is, normally produces cause certain influence for container, and for the inflammable and explosive or poisonous medium of containers store, inside and outsidely after article handling is communicated with, and there is very large potential safety hazard.
Summary of the invention
In order to solve the technical matters mentioned in background technology, the invention provides and a kind ofly be arranged on the device that medium sampling with pressure can be carried out in pressure vessel top.This sampler can sample the medium of arbitrary height in container, and can carry out sampling with pressure, does not need container decompression to stop production, normally produces can not have an impact for container, and potential safety hazard when eliminating sampling.
Technical scheme of the present invention is: this kind can carry out the device of sampling with pressure to medium in pressure vessel, is made up of cap sheathing mechanism, cylindrical shell, lower lid mechanism and sampling mechanism four part;
Wherein, described cap sheathing mechanism is formed after upper cover, gland and windowpane connect; Upper cover is the disc-shape of middle with hole, upper cover lower surface outer toroid and cylindrical shell upper surface fitted seal, and in the middle of upper cover, counterbore is for installing gland and windowpane; Cylindrical shell is cylindrical shape, and the upper and lower end face of described cylindrical shell is flange sealing surface, and the upper surface of cylindrical shell is fastened by bolts and is sealed and matched with upper cover, and the lower surface of cylindrical shell coordinates with container manhole flange seal by bolted; The side of described cylindrical shell is provided with tensimeter; Described lower lid mechanism is made up of Bearning mechanism on the left of spring shackle, tension spring, suspension hook, swing pull bar, lower cover sealing socket, lower cover, axis of swing, clamp nut, axis of swing right-hand axis sealing mechanism and axis of swing; Wherein, spring shackle, tension spring, suspension hook, swing pull bar and clamp nut are arranged on the outside of described cylindrical shell, lower cover sealing socket, lower cover, axis of swing are arranged on the inboard of described cylindrical shell, and on the left of axis of swing right-hand axis sealing mechanism, axis of swing, Bearning mechanism is arranged on the sidewall of described cylindrical shell; Axis of swing is fixed on the left of axis of swing right-hand axis sealing mechanism and axis of swing between Bearning mechanism, and the left end of axis of swing has the through hole penetrated for swing pull bar, swings pull bar is fastened on axis of swing left end by clamp nut.
Lower cover sealing socket is circular steel plate, and be welded on described cylindrical shell inboard, described lower cover sealing socket central aperture, along verge of opening downward to being processed into sealing surface boss; Lower cover by lower cover seal pad, in sickle-shaped a pair lower cover support arm and lower cover axle sleeve connect after form; Described lower cover axle sleeve is cylindrical shape, be connected by key and described axis of swing, described lower cover seal pad is the steel plate matched with described lower cover sealing socket perforate boss, and described lower cover seal pad upper outer edges is an annular heavy stand, gluing lower cover O-ring seal on annular heavy stand; One end of described lower cover support arm is welded on described lower cover seal pad, and the other end is welded on described lower cover axle sleeve.
Described sampling mechanism by shaft seal on the left of connecting pipe, communicating valve, atmospheric valve, self-priming pump, cylinder and means of communication, cylinder right-hand axis sealing mechanism, shaft coupling, stepper motor, cylinder mechanism, be connected with the sebific duct of joint and sampler after form; Wherein, connecting pipe, communicating valve, atmospheric valve, self-priming pump, stepper motor are arranged on the outside of cylindrical shell, shaft coupling, cylinder mechanism, be arranged on the inboard of cylindrical shell with the sebific duct of joint and described sampler, on the left of cylinder, shaft seal and means of communication, cylinder right-hand axis sealing mechanism are arranged on the sidewall of cylindrical shell.
Cylinder mechanism is arranged in cylindrical shell, is made up of drum shaft, cylinder and sebific duct short circuit; Wherein, the axis place on the left of described drum shaft has cylinder left side pivot holes, and this axis hole is blind hole, and this cylinder left side pivot holes is connected with the sebific duct short circuit be positioned at outside described drum shaft; Insert on the left of described cylinder in shaft seal and means of communication on the left of described drum shaft, by key and shaft coupling connection for transmission on the right side of drum shaft; A welding cylinder for spiral rubber hose in the middle of drum shaft.
On the left of described cylinder, shaft seal and means of communication are arranged in the left side of cylindrical shell, and be made up of connection body, discharge connection, bearing and shaft seal group, described connection body is welded on the sidewall of cylindrical shell, and described shaft seal group is installed in the inside, for sealed cylinder axle; The described connection body part be exposed at outside cylindrical shell welds described discharge connection, for connecting self-priming pump; Described connection cover body axis also has a blind hole, and this blind hole is communicated with described cylinder left side pivot holes and discharge connection, forms rotary type connecting pipeline; The side that the shaft seal body of described cylinder right-hand axis sealing mechanism is exposed at described cylindrical shell Outboard Sections has a threaded hole, and install dogbolt, the stop for shaft coupling is locking.
Described sebific duct is steel-wire carcass sebific duct, and one end of sebific duct is connected with sebific duct short circuit, and the other end of sebific duct is connected with hydraulic quick coupler box by joint clamp, and described sampler has hydraulic quick coupler pin thread; Described sebific duct is wound on cylinder.The one end open of connecting pipe is in cylindrical shell, be positioned at the below of lower cover sealing socket, the other end of connecting pipe connects flow passage one end of valve, atmospheric valve and self-priming pump successively, and the flow passage other end of self-priming pump is connected on the discharge connection on the left of described connection cylinder in shaft seal and means of communication.
The present invention has following beneficial effect: first, utilizing this kind of sampler each several part to cooperatively interact, when realizing the sampling in container situation with pressure, not needing container to switch technological process or stopping production, container is normally produced and can not be had an impact, and potential safety hazard when eliminating sampling; Secondly, utilize this kind of sampler can sample mediums such as the gas in container, oil, water, mud, sampling medium kind and sampling amount unrestricted, meet the medium sampling demand of most of pressure vessel; Again, lower interface and the upper vessel portion manhole flange of this kind of sampler are supporting, do not need to carry out special transformation to container, also can conveniently install for the old container put into production during installation.
Accompanying drawing illustrates:
Fig. 1 is the front view of the vertical cutting of sampler of the present invention;
Fig. 2 is the vertical view of sampler of the present invention;
Fig. 3 is the vertical view of sampler of the present invention along drum shaft sectional horizontal;
Fig. 4 is the vertical view of sampler of the present invention along axis of swing sectional horizontal;
Vertical cutting left view when Fig. 5 is sampler lower cover of the present invention closedown;
Fig. 6 is the vertical cutting left view of sampler lower cover of the present invention when opening;
Biopsy cavity marker devices right view when Fig. 7 is sampler of the present invention closedown;
Fig. 8 is the biopsy cavity marker devices right view of sampler lower cover of the present invention when opening;
Fig. 9 is the front view after cylindrical shell of the present invention is connected with lower cover sealing socket;
Figure 10 is the upward view of cylindrical shell of the present invention and lower cover sealing socket;
Figure 11 is the front view of lower cover of the present invention;
Figure 12 is the vertical view of lower cover of the present invention;
Figure 13 is the front view of axis of swing of the present invention;
Figure 14 is the front view of swing pull bar of the present invention;
Figure 15 is the front view of suspension hook of the present invention;
Figure 16 is the partial view of axis of swing right-hand axis sealing mechanism of the present invention;
Figure 17 is the partial view of Bearning mechanism on the left of axis of swing of the present invention;
Figure 18 is the partial view of sampler cylinder right-hand axis sealing mechanism of the present invention;
Figure 19 is the front view of cylinder mechanism of the present invention;
Figure 20 is the partial view of shaft seal and means of communication on the left of cylinder of the present invention;
Figure 21 is the partial view of sebific duct of the present invention;
Figure 22 is the front view of I type sampler of the present invention;
Figure 23 is the front view that I type sampler of the present invention is connected with rubber hose coupling;
Figure 24 is the front view of II type sampler of the present invention;
Figure 25 is front view when II type sampler sealing shroud is in open mode after II type sampler of the present invention is connected with rubber hose coupling;
Figure 26 is the front view of II type sampler cylindrical shell of the present invention;
Figure 27 is the front view of II type sampler stem stem of the present invention;
Figure 28 is the front view of II type sampler sealing shroud of the present invention.
1-container manhole flange in figure, 2-cylindrical shell, 3-connecting pipe, 4-communicating valve, 5-atmospheric valve, 6-self-priming pump, shaft seal and means of communication on the left of 7-cylinder, 8-tensimeter, 9-upper cover O-ring seal, 10-upper cover, 11-windowpane, 12-gland, 13-spring shackle, 14-tension spring, 15-suspension hook, 16-stepper motor, 17-swings pull bar, 18-lower cover sealing socket, 19-lower cover O-ring seal, 20-lower cover, 21-cylinder mechanism, 22-sebific duct, 23-I type sampler, 24-shaft coupling, 25-cylinder right-hand axis sealing mechanism, 26-axis of swing, 27-clamp nut, 28-axis of swing right-hand axis sealing mechanism, Bearning mechanism on the left of 29-axis of swing, 30-II type sampler.
Embodiment:
Below in conjunction with accompanying drawing, the invention will be further described:
By shown in Fig. 1 to Fig. 8, this kind can carry out the device of sampling with pressure to medium in pressure vessel, is made up of cap sheathing mechanism, cylindrical shell 2, lower lid mechanism and sampling mechanism four part.
Wherein, described cap sheathing mechanism is formed after upper cover 11, gland 12 and windowpane 11 connect; Upper cover 11 is the disc-shape of middle with hole, and upper cover 11 lower surface outer toroid and cylindrical shell 2 upper surface fitted seal, the middle counterbore of upper cover 11 is for installing gland 12 and windowpane 11.Upper cover O-ring seal 9 selects rubber or asbestos material according to vessel temp, for sealing upper cover and cylindrical shell upper end mating surface.Windowpane is disc, adopts the quartz glass of pressure-bearing to make, for observing the operational circumstances in sampler.Gland is annular, and itself and two O-ring seals are used for compressing and seal glass window.
Cylindrical shell 2 is cylindrical shape, and the upper and lower end face of described cylindrical shell is flange sealing surface, and the upper surface of cylindrical shell 2 is fastened by bolts and is sealed and matched with upper cover 11, and the lower surface of cylindrical shell 2 is sealed and matched by bolted and container manhole flange 1; The side of described cylindrical shell is provided with tensimeter 8 for monitoring the pressure state in sampler; Device cylindrical shell is the agent structure of sampler, for installing other functional structure parts, shape is and the cylinder-like structure of sampling container with pressure rating, and drum diameter size adopts container people hole dimension specification (such as DN500mm), and cylindrical shell can vertically be arranged on the manhole of upper vessel portion.
Described lower lid mechanism is made up of Bearning mechanism 29 on the left of spring shackle 13, tension spring 14, suspension hook 15, swing pull bar 17, lower cover sealing socket 18, lower cover 20, axis of swing 26, clamp nut 27, axis of swing right-hand axis sealing mechanism 28 and axis of swing.Wherein, spring shackle 13, tension spring 14, suspension hook 15, swing pull bar 17 and clamp nut 27 are arranged on the outside of described cylindrical shell, lower cover sealing socket 18, lower cover 20, axis of swing 26 are arranged on the inboard of described cylindrical shell, and on the left of axis of swing right-hand axis sealing mechanism 28, axis of swing, Bearning mechanism 29 is arranged on the sidewall of described cylindrical shell; Axis of swing 26 is fixed on the left of axis of swing right-hand axis sealing mechanism 28 and axis of swing between Bearning mechanism 29, and the left end of axis of swing 26 has the through hole penetrated for swing pull bar 17, swings pull bar 17 is fastened on axis of swing 26 left end by clamp nut 27.
Spring shackle is platelet with holes, is welded on portion on the upper side outside device cylindrical shell, for hanging tension spring.Tension spring one end is connected with spring shackle, and the other end is connected with suspension hook, swings pull bar for the tension swung when top pulled by pull bar.Suspension hook has been the conventional suspension hook of reusing, and as shown in figure 15, its tail end hole is connected with tension spring its structure, and open side is used for tangling swing pull bar.Swinging pull bar to be used for pulling axis of swing rotation, is longer direct rod shape, and as shown in figure 14, one end diameter is comparatively thin, is processed with external thread for its structure, and be exposed in the hole outside cylindrical shell so that insert axis of swing, the other end welds one piece of platelet with holes, is connected with suspension hook.
Axis of swing is inserted in cylindrical shell by outside device cylindrical shell through axis of swing right-hand axis sealing mechanism, the structure of axis of swing as shown in figure 13, axis of swing diameter increases from left to right gradually, the axle leftmost side to be inserted partially on the left of axis of swing in bearing, axle center section is through lower cover axle sleeve 20-3, be connected with lower cover axle sleeve by key, axle there are two places have circlip groove, for installing shaft block ring location, axle rightmost side part is exposed outside cylindrical shell, it having hole for installing swing pull bar, then fixing with clamp nut.
On the left of axis of swing, Bearning mechanism as shown in figure 17, comprises bearing 29-2 on the left of axis of swing left-hand axis bearing sleeve body 29-1 and axis of swing, and wherein, this bearing body is welded on device cylindrical shell left side wall; Copper bearing is housed inside body, and this bearing is connected with on the left of axis of swing.
Axis of swing right-hand axis sealing mechanism as shown in figure 16, to comprise on the right side of axis of swing right-hand axis big envelope body 28-1, axis of swing on the right side of shaft seal group 28-2, axis of swing shaft block ring 28-4 on the right side of bearing 28-3, axis of swing.Wherein, axis of swing right-hand axis big envelope body 28-1 is welded on device cylindrical shell right side wall; 2 y-type seal ring standard components are installed in this shaft seal cover body opening inboard, form shaft seal group, for the axis of swing of sealed rotational; Copper bearing is installed, for supporting axis of swing in shaft seal cover body opening; Shaft block ring belongs to standard component, inserts the pinning retreating-proof in shaft seal body for axis of swing.
Lower cover sealing socket 18 is circular steel plate, and be welded on described cylindrical shell inboard, described lower cover sealing socket central aperture, it is corresponding that position of opening and sampler transfer space, along verge of opening downward to being processed into sealing surface boss; Lower cover 20 by lower cover seal pad 20-1, in sickle-shaped a pair lower cover support arm 20-2 and lower cover axle sleeve 20-3 connect after form.Structure such as Fig. 5 to Figure 12 of said modules shows, described lower cover axle sleeve is cylindrical shape, be connected by key and axis of swing, described lower cover seal pad is the steel plate matched with described lower cover sealing socket perforate boss, described lower cover seal pad upper outer edges is an annular heavy stand, gluing lower cover O-ring seal 19 on annular heavy stand; One end of described lower cover support arm is welded on described lower cover seal pad, and the other end is welded on described lower cover axle sleeve.
The principle of operation of lower lid mechanism is: when throwing in sampler, open communicating valve, allows the pressure equilibrium of sampler and container, then the suspension hook swung on pull bar is removed, move swing pull bar to make it, swing pull bar and drive axis of swing to rotate, axis of swing band motive seal lower cover is rotated down to be opened; When sampling operation completes or need to take out sampler, close communicating valve, move and swing pull bar to upper dead center, swinging pull bar drives axis of swing to rotate, axis of swing band motive seal lower cover rotates up closedown, is hung over by suspension hook and swings on pull bar, then open atmospheric valve, emptying in sampler, sealing lower cover realizes the lower end sealing of sampler under spring tension and the effect of bottom container pressure.
As Fig. 1,3,5,6 and Figure 18, shown in 19 and 20, described sampling mechanism by shaft seal on the left of connecting pipe 3, communicating valve 4, atmospheric valve 5, self-priming pump 6, cylinder and means of communication 7, cylinder right-hand axis sealing mechanism 25, shaft coupling 24, stepper motor 16, cylinder mechanism 21, be connected with the sebific duct 22 of joint and sampler after form.Wherein, connecting pipe 3, communicating valve 4, atmospheric valve 5, self-priming pump 6, stepper motor 16 are arranged on the outside of cylindrical shell 2, shaft coupling 24, cylinder mechanism 21, be arranged on the inboard of cylindrical shell 2 with the sebific duct 22 of joint and described sampler, on the left of cylinder, shaft seal and means of communication 7, cylinder right-hand axis sealing mechanism 25 are arranged on the sidewall of cylindrical shell 2.
As shown in figure 20, cylinder mechanism 21 is arranged in cylindrical shell 2, is made up of drum shaft 21-1, cylinder 21-2 and sebific duct short circuit 21-3; Wherein, the axis place on the left of described drum shaft has cylinder left side pivot holes, and this axis hole is blind hole, and this cylinder left side pivot holes is connected with the sebific duct short circuit 21-3 be positioned at outside described drum shaft; Insert on the left of described cylinder in shaft seal and means of communication on the left of described drum shaft, by key and shaft coupling connection for transmission on the right side of drum shaft; A welding cylinder for spiral rubber hose in the middle of drum shaft.
On the left of described cylinder, shaft seal and means of communication are arranged in the left side of cylindrical shell 2, be made up of connection body 7-1, discharge connection 7-2, bearing 7-3 and shaft seal group 7-4, described connection body is welded on the sidewall of cylindrical shell 2, and described shaft seal group is installed in the inside, for sealed cylinder axle 21-1; The described connection body part be exposed at outside cylindrical shell welds described discharge connection, for connecting self-priming pump 6; Described connection cover body axis also has a blind hole, and this blind hole is communicated with described cylinder left side pivot holes and discharge connection 7-2, forms rotary type connecting pipeline.
As shown in figure 18, cylinder right-hand axis sealing mechanism is arranged on the right side of device cylindrical shell, comprises cylinder right-hand axis big envelope body 25-1, dogbolt 25-2, bearing 25-3, shaft seal group 25-4, wherein, shaft seal body is welded on device cylinder lateral wall, outside with end face of flange, for connecting stepper motor; The shaft seal group of copper bearing and y-type seal ring formation is installed in shaft seal cover body opening inboard, for the shaft coupling of sealed rotational; The side that shaft seal body is exposed at device cylindrical shell Outboard Sections has a threaded hole, and install dogbolt, the stop for shaft coupling is locking.Shaft coupling inserts in cylinder right-hand axis sealing mechanism, is connected, connect drum shaft on the left of it by two keys, and right side connects step motor shaft.Stepper motor is arranged on the shaft seal body end face of flange place of cylinder right-hand axis sealing mechanism, is rotated by shaft coupling head roll.
As shown in figure 21, described sebific duct is steel-wire carcass sebific duct, and one end of sebific duct is connected with sebific duct short circuit 21-3, and the other end of sebific duct is connected with hydraulic quick coupler box 22-3 by joint clamp, and described sampler has hydraulic quick coupler pin thread 23-1; Described sebific duct is wound on cylinder 21-2.
The one end open of connecting pipe 3 is in cylindrical shell 2, be positioned at the below of lower cover sealing socket 18, the other end of connecting pipe 3 connects flow passage one end of valve 4, atmospheric valve 5 and self-priming pump 6 successively, and the flow passage other end of self-priming pump 6 is connected on the discharge connection 7-2 on the left of described connection cylinder in shaft seal and means of communication.Connecting pipe and communicating valve and atmospheric valve are arranged on the left of device cylindrical shell, form two pipelines, and a connecting pipe passes in the cylindrical shell of sealing lower cover bottom, forms connected loop, realize the pressure equilibrium of sampler and container with communicating valve; Another connecting pipe and atmospheric valve form blowdown piping, realize sampler pressure release and sampling.Connect self-priming pump above connecting pipe, above self-priming pump, connect the discharge connection of shaft seal and means of communication on the left of cylinder.
The principle of operation of sampling mechanism is: by cylinder mechanism sampler rendered to the setting height in container, a sampling suction channel is formed by sampler, sebific duct, cylinder axis hole, left side shaft seal intercommunicating pore, self-priming pump, communicating pipe, atmospheric valve, under self-priming pump and container inner pressure effect, liquid medium enters liquid sampler, is extracted from atmospheric valve outlet by passage.After changing the mud class medium sampler connected under complete sebific duct, again operate, container bottom mud is sucked in new sampler, then on mention in sampler and then taking out.
In order to adapt to the sampling to different medium, The present invention gives two kinds of sampler, being called I type sampler and II type sampler.I type sampler is used for the sampling of common liquid medium, and II type sampler samples for the high viscosity mud of container bottom.
As shown in Figure 21,22,23, I type sampler forms after being connected with I type sampler cylindrical shell 23-2 by I type hydraulic quick coupler pin thread 23-1, and wherein, I type hydraulic quick coupler pin thread 23-1 can be connected with the hydraulic quick coupler box 22-3 of sebific duct; Described I type sampler cylindrical shell is cylindrical shape, and top has the screw thread realizing with I type hydraulic quick coupler pin thread 23-1 being connected, and the side of described I type sampler cylindrical shell is evenly equipped with the aperture running through cylindrical shell side, for the medium of filtering and sampling.
As shown in Figure 24,25,26,27,28, II sampler is formed after II type hydraulic quick coupler pin thread 30-1, II type sampler cylindrical shell 30-2, II type sampler stem stem 30-3, II type sampler sealing shroud 30-4, O-ring seal 30-5, Compress Spring 30-6, stem stem screen pack 30-7, cylindrical shell O-ring seal 30-8 and gib screw 30-9 connect.Wherein, II type hydraulic quick coupler pin thread 30-1 can be connected with the hydraulic quick coupler box 22-3 of sebific duct; II type sampler cylindrical shell 30-2 is cylindrical shape, top perforate for loading II type sampler stem stem 30-3, bottom perforate and II type sampler sealing shroud 30-4 fitted seal; II type sampler stem stem 30-3 is cylindrical, and insert II type sampler cylindrical shell 30-2 from top, linked together by gib screw 30-9 and II type sampler cylindrical shell 30-2, joint face is sealed by cylindrical shell O-ring seal 30-8; Vertically with laterally hole respectively and be communicated with in II type sampler stem stem 30-3 top, vertical hole is blind hole, and the end region that transverse holes is exposed has stem stem screen pack 30-7 to realize the filtration to silt.II type sampler stem stem 30-3 bottom penetrates Compress Spring 30-6 and II type sampler sealing shroud 30-4, II type sampler sealing shroud 30-4 can slide on II type sampler stem stem 30-3, O-ring seal 30-5 is contained on II type sampler sealing shroud 30-4, under Compress Spring 30-6 effect, II type sampler sealing shroud 30-4 is pressed in II type sampler cylindrical shell 30-2 bottom tapping, to realize the shutoff after to mud sampling.
The principle of work of II type sampler is: when the self-priming pump of sampler is by when vacuumizing in sebific duct, II type sampler sealing shroud upward sliding under the effect of bottom container pressure medium, and II type sampler cylindrical shell lower inlet is opened; The mud that container bottom is rarer enters in sampler cylindrical shell, and is stayed in sampler cylindrical shell by stem stem filter screen filtration; After the mud of II type sampler suction is filled, stop self-priming pump, the internal and external pressure balance of II type sampler cylindrical shell, II type sampler sealing shroud slide downward under Compress Spring effect, block cylindrical shell lower entrances, prevent mud sampler carried in process from leaking.
The principle of operation of sampling mechanism is: by cylinder mechanism sampler rendered to the setting height in container, a sampling suction channel is formed by sampler, sebific duct, cylinder axis hole, left side shaft seal intercommunicating pore, self-priming pump, communicating pipe, atmospheric valve, under self-priming pump and container inner pressure effect, liquid medium enters I type sampler, extracted from atmospheric valve outlet by passage, container bottom mud is sucked in II type sampler, then on mention in sampler and then taking out.
The concrete sampling implementation step of inventive sampling device is:
: first that sampling balloon or sampling sealing bag are received on atmospheric valve outlet to the flow process of the gas medium sampling in container; Then open communicating valve, slowly open atmospheric valve, the pressure in container makes gas be discharged into sampling balloon or sealing bag from outlet; After sampling terminates, close atmospheric valve and communicating valve.
: first, open communicating valve allow the pressure equilibrium of sampler and container to the flow process of the liquid medium sampling in container; Remove the suspension hook swung on pull bar, move swing pull bar and make it, swing pull bar band motive seal lower cover is rotated down to be opened, and exposes the center-aisle of lower cover sealing socket, checks that device, lower cover is opened to maximum from view window; Then, start and control step motor, drive sebific duct cylinder to rotate, I type sampler is rendered in the medium such as oil, water of setting sampling height in container; Sampler is closed stepper motor, is tightened the dogbolt in shaft seal after throwing in and putting in place, ensures that sampling highly immobilizes; Then, start self-priming pump, allow liquid medium by sampler, sebific duct, cylinder axis hole, left side shaft seal intercommunicating pore, self-priming pump, communicating valve, communicating pipe this circulation passage return in container, reach the object of washing away sampling passage tube, avoid previous sample medium remain pipeline and pollute this sampling medium; Close communicating valve after washing away, at outlet, sampling appliance is laid at place, opens atmospheric valve, carries out the sampling of setting height medium; After sampling terminates, close atmospheric valve, stop self-priming pump.If sampled respectively the liquid medium of multiple height, after the sampling of a upper height medium terminates, by stepper motor I type sampler can be rendered in the new high degree medium in container, and then carry out pipeline and wash away and sampling flowsheet.After whole liquid medium has all sampled, will I type sampler be mentioned in sampler by stepper motor; Then, start self-priming pump, open communicating valve, allow most of medium back flow in pipeline in container; Then, stop self-priming pump, close communicating valve; Finally, move and swing pull bar to upper dead center, band motive seal lower cover rotary closing, hung over by suspension hook and swing on pull bar, sampleman completes.
To the flow process that the mud of container bottom samples be: first, lower cover bottom sampler closes sealing, open atmospheric valve, drain the pressure in sampler, observe pressure gauge reading simultaneously, close atmospheric valve when pressure is zero, dismounting sealing upper cover, is replaced with II type sampler by hydraulic quick coupler by I type sampler from device cylindrical shell top; Then, install sealing upper cover, open communicating valve, make pressure equilibrium in pressure and container in sampler; Remove the suspension hook swung on pull bar, move swing pull bar band motive seal lower cover be rotated down be opened to maximum; Start and control step motor, drive sebific duct cylinder to rotate, II type sampler is rendered on the mud of container bottom, close stepper motor, tighten the dogbolt in shaft seal; Start self-priming pump, vacuumize in sebific duct, sampler sealing shroud is upward sliding under low pressure effect, lower inlet is opened, the mud that container bottom is rarer is drawn in sampler cylindrical shell, and stayed in cylindrical shell by stem stem filter screen filtration, and liquid medium by sampler, sebific duct, cylinder axis hole, left side shaft seal intercommunicating pore, self-priming pump, communicating valve, communicating pipe this circulation passage flow back into again in container; After the mud of sampler suction is filled, stop self-priming pump, sampler sealing shroud is slide downward under Compress Spring effect, blocks cylindrical shell lower entrances; To II type sampler be mentioned in sampler by stepper motor, close communicating valve, move and swing pull bar to upper dead center, band motive seal lower cover rotary closing, hangs over suspension hook and swings on pull bar; Open atmospheric valve, drain the pressure in sampler, observe pressure gauge reading simultaneously, close atmospheric valve when pressure is zero, dismounting sealing upper cover, is taken off II type sampler by hydraulic quick coupler from device cylindrical shell top, pours out the mud sample of the inside; After sampler cleans up, be reentered in device cylindrical shell, connect rubber hose coupling; Finally, install sealing upper cover, sampleman completes, or can carry out again mud sampling.
Claims (3)
1. can carry out a device for sampling with pressure to medium in pressure vessel, it is characterized in that: described device is made up of cap sheathing mechanism, cylindrical shell (2), lower lid mechanism and sampling mechanism four part;
Wherein, described cap sheathing mechanism is formed after upper cover (11), gland (12) and windowpane (11) connect; The disc-shape that upper cover (11) is middle with hole, upper cover (11) lower surface outer toroid and cylindrical shell (2) upper surface fitted seal, in the middle of upper cover (11), counterbore is for installing gland (12) and windowpane (11);
Cylindrical shell (2) is cylindrical shape, the upper and lower end face of described cylindrical shell is flange sealing surface, the upper surface of cylindrical shell (2) is fastened by bolts and is sealed and matched with upper cover (11), and the lower surface of cylindrical shell (2) is sealed and matched by bolted and container manhole flange (1); The side of described cylindrical shell is provided with tensimeter (8);
Described lower lid mechanism is made up of Bearning mechanism (29) on the left of spring shackle (13), tension spring (14), suspension hook (15), swing pull bar (17), lower cover sealing socket (18), lower cover (20), axis of swing (26), clamp nut (27), axis of swing right-hand axis sealing mechanism (28) and axis of swing; Wherein, spring shackle (13), tension spring (14), suspension hook (15), swing pull bar (17) and clamp nut (27) are arranged on the outside of described cylindrical shell, lower cover sealing socket (18), lower cover (20), axis of swing (26) are arranged on the inboard of described cylindrical shell, and on the left of axis of swing right-hand axis sealing mechanism (28), axis of swing, Bearning mechanism (29) is arranged on the sidewall of described cylindrical shell; Axis of swing (26) to be fixed on the left of axis of swing right-hand axis sealing mechanism (28) and axis of swing between Bearning mechanism (29), the left end of axis of swing (26) has the through hole penetrated for swing pull bar (17), swings pull bar (17) is fastened on axis of swing (26) left end by clamp nut (27);
Lower cover sealing socket (18) is circular steel plate, and be welded on described cylindrical shell inboard, described lower cover sealing socket central aperture, along verge of opening downward to being processed into sealing surface boss; Lower cover (20) by lower cover seal pad (20-1), in sickle-shaped a pair lower cover support arm (20-2) and lower cover axle sleeve (20-3) connect after form; Described lower cover axle sleeve is cylindrical shape, be connected by key and described axis of swing, described lower cover seal pad is the steel plate matched with described lower cover sealing socket perforate boss, and described lower cover seal pad upper outer edges is an annular heavy stand, gluing lower cover O-ring seal (19) on annular heavy stand; One end of described lower cover support arm is welded on described lower cover seal pad, and the other end is welded on described lower cover axle sleeve;
Described sampling mechanism by shaft seal on the left of connecting pipe (3), communicating valve (4), atmospheric valve (5), self-priming pump (6), cylinder and means of communication (7), cylinder right-hand axis sealing mechanism (25), shaft coupling (24), stepper motor (16), cylinder mechanism (21), be connected with the sebific duct (22) of joint and sampler after form; Wherein, connecting pipe (3), communicating valve (4), atmospheric valve (5), self-priming pump (6), stepper motor (16) are arranged on the outside of cylindrical shell (2), shaft coupling (24), cylinder mechanism (21), be arranged on the inboard of cylindrical shell (2) with the sebific duct (22) of joint and described sampler, on the left of cylinder, shaft seal and means of communication (7), cylinder right-hand axis sealing mechanism (25) are arranged on the sidewall of cylindrical shell (2);
Cylinder mechanism (21) is arranged in cylindrical shell (2), is made up of drum shaft (21-1), cylinder (21-2) and sebific duct short circuit (21-3); Wherein, the axis place on the left of described drum shaft has cylinder left side pivot holes, and this axis hole is blind hole, and this cylinder left side pivot holes is connected with the sebific duct short circuit (21-3) be positioned at outside described drum shaft; Insert on the left of described cylinder in shaft seal and means of communication on the left of described drum shaft, by key and shaft coupling connection for transmission on the right side of drum shaft; A welding cylinder for spiral rubber hose in the middle of drum shaft;
On the left of described cylinder, shaft seal and means of communication are arranged in the left side of cylindrical shell (2), be made up of connection body (7-1), discharge connection (7-2), bearing (7-3) and shaft seal group (7-4), described connection body is welded on the sidewall of cylindrical shell (2), described shaft seal group is installed in the inside, for sealed cylinder axle (21-1); The described connection body part be exposed at outside cylindrical shell welds described discharge connection, for connecting self-priming pump (6); Described connection cover body axis also has a blind hole, and this blind hole is communicated with described cylinder left side pivot holes and discharge connection (7-2), forms rotary type connecting pipeline;
The side that the shaft seal body of described cylinder right-hand axis sealing mechanism is exposed at described cylindrical shell Outboard Sections has a threaded hole, and install dogbolt, the stop for shaft coupling is locking;
Described sebific duct is steel-wire carcass sebific duct, and one end of sebific duct is connected with sebific duct short circuit (21-3), and the other end of sebific duct is connected with hydraulic quick coupler box (22-3) by joint clamp, and described sampler has hydraulic quick coupler pin thread (23-1); Described sebific duct is wound on cylinder (21-2);
The one end open of connecting pipe (3) is in cylindrical shell (2), be positioned at the below of lower cover sealing socket (18), the other end of connecting pipe (3) connects flow passage one end of valve (4), atmospheric valve (5) and self-priming pump (6) successively, and the flow passage other end of self-priming pump (6) is connected on the discharge connection (7-2) on the left of described connection cylinder in shaft seal and means of communication.
2. a kind of device that can carry out sampling with pressure to medium in pressure vessel according to claim 1, is characterized in that:
Described sampler is formed after II type hydraulic quick coupler pin thread (30-1), II type sampler cylindrical shell (30-2), II type sampler stem stem (30-3), II type sampler sealing shroud (30-4), O-ring seal (30-5), Compress Spring (30-6), stem stem screen pack (30-7), cylindrical shell O-ring seal (30-8) and gib screw (30-9) connect; Wherein, II type hydraulic quick coupler pin thread (30-1) can be connected with the hydraulic quick coupler box (22-3) of sebific duct; II type sampler cylindrical shell (30-2) is cylindrical shape, top perforate for loading II type sampler stem stem (30-3), bottom perforate and II type sampler sealing shroud (30-4) fitted seal; II type sampler stem stem (30-3) is for cylindrical, and insert II type sampler cylindrical shell (30-2) from top, linked together by gib screw (30-9) and II type sampler cylindrical shell (30-2), joint face is sealed by cylindrical shell O-ring seal (30-8); Vertically with laterally hole respectively and be communicated with in II type sampler stem stem (30-3) top, vertical hole is blind hole, and the end region that transverse holes is exposed has stem stem screen pack (30-7) to realize the filtration to silt; II type sampler stem stem (30-3) bottom penetrates Compress Spring (30-6) and II type sampler sealing shroud (30-4), II type sampler sealing shroud (30-4) can in the upper slip of II type sampler stem stem (30-3), O-ring seal (30-5) is contained in II type sampler sealing shroud (30-4), under Compress Spring (30-6) effect, II type sampler sealing shroud (30-4) is pressed in II type sampler cylindrical shell (30-2) bottom tapping, to realize the shutoff after to mud sampling.
3. a kind of device that can carry out sampling with pressure to medium in pressure vessel according to claim 1, it is characterized in that: described sampler forms after being connected with I type sampler cylindrical shell (23-2) by I type hydraulic quick coupler pin thread (23-1), wherein, I type hydraulic quick coupler pin thread (23-1) can be connected with the hydraulic quick coupler box (22-3) of sebific duct; Described I type sampler cylindrical shell is cylindrical shape, and top has the screw thread realizing with I type hydraulic quick coupler pin thread (23-1) being connected, and the side of described I type sampler cylindrical shell is evenly equipped with the aperture running through cylindrical shell side, for the medium of filtering and sampling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410629168.9A CN104359716B (en) | 2014-11-11 | 2014-11-11 | A kind of device that medium in pressure vessel can be carried out sampling with pressure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410629168.9A CN104359716B (en) | 2014-11-11 | 2014-11-11 | A kind of device that medium in pressure vessel can be carried out sampling with pressure |
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| CN104359716B CN104359716B (en) | 2016-08-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066264A (en) * | 2016-06-30 | 2016-11-02 | 云南省环境科学研究院 | Undisturbed high accurancy and precision deep water sampling device |
| CN115077995A (en) * | 2022-07-19 | 2022-09-20 | 南京天梯自动化设备股份有限公司 | Magnetic drive type online sample mixing sampler |
-
2014
- 2014-11-11 CN CN201410629168.9A patent/CN104359716B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066264A (en) * | 2016-06-30 | 2016-11-02 | 云南省环境科学研究院 | Undisturbed high accurancy and precision deep water sampling device |
| CN115077995A (en) * | 2022-07-19 | 2022-09-20 | 南京天梯自动化设备股份有限公司 | Magnetic drive type online sample mixing sampler |
| CN115077995B (en) * | 2022-07-19 | 2022-11-04 | 南京天梯自动化设备股份有限公司 | Magnetic drive type online sample mixing sampler |
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| CN104359716B (en) | 2016-08-10 |
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Application publication date: 20150218 Assignee: Tianjin Bo Sheng productivity promotion Limited by Share Ltd. Assignor: Tianjin Dingtuo Hengyuan Intellectual Property Service Co.,Ltd. Contract record no.: X2022120000024 Denomination of invention: The utility model relates to a device which can sample a variety of media in a pressure vessel under pressure Granted publication date: 20160810 License type: Common License Record date: 20220406 |
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