CN105571893A - Closed sampling device with fast connectors - Google Patents
Closed sampling device with fast connectors Download PDFInfo
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- CN105571893A CN105571893A CN201410551461.8A CN201410551461A CN105571893A CN 105571893 A CN105571893 A CN 105571893A CN 201410551461 A CN201410551461 A CN 201410551461A CN 105571893 A CN105571893 A CN 105571893A
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- sampling
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- sampling device
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Abstract
The invention discloses a closed sampling device with fast connectors. The closed sampling device comprises a sampling stretching frame, the sampling stretching frame is provided with sampling openings, all the sampling openings are connected and gathered to a flange short joint through sampling pipes, the flange short joint is connected with a sampling valve, and the sampling valve is connected with sampling bottles through oil outlet pipes; the closed sampling device further comprises an oil returning pipe which is communicated with each oil outlet pipe through a communication valve, and the tail end of each oil outlet pipe is provided with a fast connector assembly which is composed of one upper connector installed on the oil outlet pipe and one lower connector installed on a bottle cover of the corresponding sampling bottle; when sampling is performed, lower valve bodies of the lower connectors are connected to upper valve bodies of the upper connectors in a sleeving mode, elastic valve elements are opened, and closed sampling can be performed. According to the sampling device, a sample in the oil returning pipe can be recycled, the freshness of the sample is guaranteed, the whole sampling process is fast, efficient and sealed, the sampling safety is guaranteed, and it is guaranteed that the sample cannot be polluted by outside media.
Description
Technical field
The present invention relates to the sample devices of petrochemical industry, be specifically related to a kind of enclosed sampling device with rapid-acting coupling.
Background technology
Material in petroleum chemical industry is all much poisonous, harmful, volatile material, such as benzene, gasoline etc.Under normal circumstances, when operating personnel's sampling, the port grinding bottle being all, carries out opened type sampling at sampling thief place.Like this, poisonous, harmful, volatile material, easily via the place effusion that port grinding bottle is uncovered, or splashes with it operating personnel, is easy to damage operating personnel, very dangerous.Therefore, when sampling, should prevent the safety of these media to personnel from threatening as possible.
And more existing sampling thiefs easily have sample carryover in the place of outlet, and sample easily goes bad in atmosphere, residual sample can be mixed in the sample of sampling next time, can have an impact to testing result, causes detecting data and does not conform to the actual conditions.Or because sampling pipe is long, every sub-sampling all can leave certain sample in the duct, second time sampling can follow secondary sample to discharge together, so the testing result of every sub-sampling is not subject to the interference of previous sample result, sampling result does not possess real-time.
Application number is in the Chinese patent of " CN200820029965.3 ", discloses the utility model patent that name is called " weightlessness storage tank liquid sampling retractable bracket ".Include support, the top of support is provided with floating ball device, the bottom of support is provided with base, described support is connected to form telescopic structure by the sealed pipe fittings of the multiple hollows being in state of weightlessness relative to liquid in storage tank through two ends and middle pin-and-hole, metal tube is provided with in the hollow sealing pipe fitting of formation support, hollow sealing pipe fitting is provided with counterweight hole, support includes top link, sampling support and bottom link, top link is connected with floating ball device, and bottom link is connected with base.The setting of outlet is not described in this device, and recirculatory pipe is not set, and also not mentioned in instructions, more sample liquid can be remained in the duct during sampling, very large for next sampling effect, if directly bleed off, cause wastage of material and subsequent treatment expense.
Summary of the invention
For the technical matters of above-mentioned existence, the invention provides a kind of enclosed sampling device with rapid-acting coupling, to solve existing chemical liquid down-sampler when sampling, easily there is the problem such as leakage and sample contamination in poor sealing, devise a kind of enclosed sampling device with rapid-acting coupling, be provided with scavenge pipe, realize closed sampling, sample all can not come in contact with the external world in the process of whole sampling and backflow, ensure that the reliability of sampling pattern detection result, prevent leakage from producing injury and the pollution to working environment to staff, be applicable to the sampling of poisonous or perishable liquid material.
A kind of enclosed sampling device with rapid-acting coupling, comprise sampling expansion bracket, sampling expansion bracket is respectively arranged with top sample tap, middle part sample tap, bottom sample tap and bottom sample tap, above-mentioned each sample tap connects respectively by stopple coupon and is pooled on flange pup joint, flange pup joint is connected with sample valve, described sample valve is connected with sampling jar by flowline, also comprise a scavenge pipe, described scavenge pipe is communicated with each flowline by a communicating valve, described flowline end is provided with rapid-acting coupling subassembly, described rapid-acting coupling subassembly is made up of the top connection be arranged on flowline and the lower sub be arranged on sampling jar bottle cap, top connection has upper valve body, its inner chamber top is provided with Elastic valve core, inner chamber bottom is provided with valve, described Elastic valve core is pressed into described valve, described upper valve body bottom is also provided with elasticity fastened component, the cutting ferrule of described elasticity fastened component by spring compression on upper valve body, upper valve body circumference is evenly equipped with ball, described ball is pressed in the connection chamber of described valve body by the projection that described cutting ferrule is arranged, described lower sub is provided with lower valve body, described lower body cavity bottom is provided with Elastic valve core, inner chamber top is provided with valve, described Elastic valve core is pressed into described valve, lower valve outer wall is provided with draw-in groove, described lower valve body is socketed in the connection chamber of described upper valve body, described ball embeds described draw-in groove.
As a kind of optimal way, the bottom of described lower valve body is provided with screw thread, and the threaded portion of lower valve body passes the bottle cap of described sampling jar, and by nut screwing clamping on bottle cap.
As a kind of optimal way, described Elastic valve core forms primarily of guide holder, spring and core body, described guide holder is provided with pilot hole, described core body one end is provided with conical seal, the other end is provided with guide pillar, the guide pillar of described core body through described spring, and can move freely in described pilot hole.
As a kind of optimal way, the top of described upper valve body is provided with internal thread, and described top connection is tightened on described flowline by described internal thread.
As a kind of optimal way, the projection inner face of described cutting ferrule forms the first butting section, and described spring is pressed on described butting section, and outer face is downward-sloping taper surface.
As a kind of optimal way, the described upper valve body position corresponding to described cutting ferrule is provided with the second butting section, and described spring is pressed between described first butting section and the second butting section.
As a kind of optimal way, described upper valve body is provided with the taper surface adapted with described cutting ferrule projection outer face near described ball, and when two taper surface laminatings, ball is pressed in connection chamber by described projection.
As a kind of optimal way, between described lower valve body and sampling jar bottleneck end face, be also provided with O RunddichtringO.
As a kind of optimal way, connection chamber and the described lower valve body socket part of described upper valve body are also provided with grommet type seals, and described grommet type seals is positioned at described draw-in groove top.
The present invention by being provided with communicating valve on each flowline, and be connected in series with a scavenge pipe, each time before sampling, can first by scavenge pipe, liquid residual in each flowline be expelled back in fluid reservoir, start again to go out sample from rapid-acting coupling subassembly, make sampling each time can keep independence and real-time, be not subject to the interference of previous sample result, make testing result more accurate, reflect the property indices of the sample of different liquid level at that time in real time.
Change sampling mode, devise a kind of seal combination sampling jar with rapid-acting coupling, top connection on flowline and the lower sub be arranged on sampling jar bottle cap coordinate, when needing sampling, automatically sampling jar can be fixed by elasticity fastened component, the Elastic valve core of top connection and the Elastic valve core of lower sub offset, the inner chamber of lower sub in connection, liquid can be circulated, respective valves can be opened sample, and by being tightly connected between upper lower sub, being tightly connected between lower sub and sampling jar, form sealing state, sample is avoided to leak, the leakage of especially poisonous sample, in time taking off this sampling jar, spring spool ejects, top connection and lower sub are sealed, this sampling jar simple to operate, can ensure that whole sampling process liquid sample is hedged off from the outer world, prevent from touching staff or polluting working environment, prevent sample oxidation deterioration in atmosphere simultaneously, ensure the accuracy of pattern detection.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation with the enclosed sampling device of rapid-acting coupling;
Fig. 2 is the structural representation of sampling expansion bracket;
Fig. 3 is the structural representation that top connection and lower sub coordinate.
Embodiment
The invention discloses a kind of enclosed sampling device with rapid-acting coupling, realize closed sampling, sample all can not come in contact with the external world in the process of whole sampling and backflow, ensure that the reliability of sampling pattern detection result, prevent leakage from producing injury and the pollution to working environment to staff, be applicable to the sampling of poisonous or perishable liquid material.
Below in conjunction with the accompanying drawing in the present invention, be clearly and completely described the technical scheme in the present invention, obviously, described is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
Shown in Fig. 1-3, a kind of enclosed sampling device with rapid-acting coupling, comprise sampling expansion bracket 5, sampling expansion bracket 5 is respectively arranged with top sample tap 6, middle part sample tap 7, bottom sample tap 8 and bottom sample tap 9, above-mentioned each sample tap connects respectively by stopple coupon 10 and is pooled on flange pup joint 2, flange pup joint 2 is connected with sample valve 3, described sample valve 3 is connected with sampling jar 28 by flowline 31, also comprise a scavenge pipe 1, described scavenge pipe 1 is communicated with each flowline 31 by a communicating valve 30, each flowline 31 is provided with communicating valve 30, and be connected in series with a scavenge pipe 31, each time before sampling, can be extracted out from the sample of sample tap by different for fluid reservoir liquid level by pneumatic actuating device, the sample taken out is allowed to be back in fluid reservoir by scavenge pipe 1, can the liquid that previous sample in each flowline is residual be expelled back in fluid reservoir, when after residual liquid row light, flowline 31 starts to go out sample from rapid-acting coupling subassembly, make sampling each time can keep independence and real-time, be not subject to the interference of previous sample result, make testing result more accurate, reflect the property indices of the sample of different liquid level at that time in real time, form a cyclic process, namely do not waste raw material, maintain again the sealing of sample.
Described flowline 31 end is provided with rapid-acting coupling subassembly, described rapid-acting coupling subassembly is made up of the top connection 32 be arranged on flowline and the lower sub 33 be arranged on sampling jar bottle cap 27, top connection 32 has upper valve body 20, its inner chamber top is provided with Elastic valve core, inner chamber bottom is provided with valve 19, the described upper valve 19 of described Elastic valve core press-in, described upper valve body 20 bottom is also provided with elasticity fastened component 22, the cutting ferrule of described elasticity fastened component 22 is pressed on upper valve body 20 by spring 16, upper valve body 20 circumference is evenly equipped with ball 25, described ball 25 is pressed in the connection chamber 23 of described valve body by the projection that described cutting ferrule is arranged, described lower sub 33 is provided with lower valve body 26, described lower valve body 26 inner chamber bottom is provided with Elastic valve core, inner chamber top is provided with lower valve 21, described Elastic valve core is pressed into described lower valve 21, lower valve body 26 outer wall is provided with draw-in groove 24, described lower valve body 26 is socketed in the connection chamber 23 of described upper valve body 20, described ball 25 embeds described draw-in groove 24, top connection 32 on flowline 31 and the lower sub 33 be arranged on sampling jar bottle cap coordinate, when needing sampling, automatically sampling jar can be fixed by elasticity fastened component.
The bottom of described lower valve body 26 is provided with screw thread, the threaded portion of lower valve body 26 passes the bottle cap 27 of described sampling jar, and by nut screwing clamping on bottle cap 27, described Elastic valve core is primarily of guide holder 11, spring 12 and core body 13 form, described guide holder 11 is provided with pilot hole 29, described core body 13 one end is provided with conical seal 14, the other end is provided with guide pillar, the guide pillar of described core body is through described spring 12, and can move freely in described pilot hole 29, the top of described upper valve body 20 is provided with internal thread, described top connection 32 is tightened on described flowline 31 by described internal thread, the projection inner face of described cutting ferrule forms the first butting section, described spring 12 is pressed on described butting section, outer face is downward-sloping taper surface, described upper valve body 20 position corresponding to described cutting ferrule is provided with the second butting section, described spring 12 is pressed between described first butting section and the second butting section, described upper valve body 20 is provided with the taper surface adapted with described cutting ferrule projection outer face near described ball 25, when two taper surface laminatings, ball 25 is pressed in connection chamber 23 by described projection, O RunddichtringO 17 is also provided with between described lower valve body 26 and sampling jar 28 bottleneck end face, connection chamber 23 and described lower valve body 26 socket part of described upper valve body 19 are also provided with grommet type seals 15, described grommet type seals 15 is positioned at described draw-in groove 24 top.
When the Elastic valve core of top connection 32 and the Elastic valve core of lower sub 33 offset, the inner chamber of lower sub in connection, liquid can be circulated, respective valves can be opened sample, and by being tightly connected between upper lower sub, being tightly connected between lower sub 33 and sampling jar 28, form sealing state, sample is avoided to leak, the leakage of especially poisonous sample, when take off this sampling jar 28 time, spring spool ejects, top connection 32 and lower sub 33 are sealed, this sampling jar 28 simple to operate, can ensure that whole sampling process liquid sample is hedged off from the outer world, prevent from touching staff or polluting working environment, prevent sample oxidation deterioration in atmosphere simultaneously, ensure the accuracy of pattern detection.
Known by describing above, the invention has the advantages that, 1, be provided with reflux, before every sub-sampling, the sample of last time is back in fluid reservoir, namely saves raw material, turn eliminate the impact of previous sample on this sampling result; 2, sample tap is arranged to closed type interface and sampling jar, at connection sampling jar with take out when sampling jar, can lower sub on automatic plugging, prevent sample liquid from leaking, this sampling jar good sealing effect simultaneously, can keep whole sampling process to be in sealing state, the interference of isolation extraneous factor; 3, easy and simple to handle, sampling efficiency is high, and joint can engage automatically, and just can carry out blowing after only having correct joint, and serious forgiveness is high, the leak of liquid avoiding human error to cause or other danger.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. one kind has the enclosed sampling device of rapid-acting coupling, comprise sampling expansion bracket, sampling expansion bracket is respectively arranged with top sample tap, middle part sample tap, bottom sample tap and bottom sample tap, above-mentioned each sample tap connects respectively by stopple coupon and is pooled on flange pup joint, flange pup joint is connected with sample valve, described sample valve is connected with sampling jar by flowline, it is characterized in that, also comprise a scavenge pipe, described scavenge pipe is communicated with each flowline by a communicating valve, described flowline end is provided with rapid-acting coupling subassembly, described rapid-acting coupling subassembly is made up of the top connection be arranged on flowline and the lower sub be arranged on sampling jar bottle cap, top connection has upper valve body, its inner chamber top is provided with Elastic valve core, inner chamber bottom is provided with valve, described Elastic valve core is pressed into described valve, described upper valve body bottom is also provided with elasticity fastened component, the cutting ferrule of described elasticity fastened component by spring compression on upper valve body, upper valve body circumference is evenly equipped with ball, described ball is pressed in the connection chamber of described valve body by the projection that described cutting ferrule is arranged, described lower sub is provided with lower valve body, described lower body cavity bottom is provided with Elastic valve core, inner chamber top is provided with valve, described Elastic valve core is pressed into described valve, lower valve outer wall is provided with draw-in groove, described lower valve body is socketed in the connection chamber of described upper valve body, described ball embeds described draw-in groove.
2. a kind of enclosed sampling device with rapid-acting coupling according to claim 1, it is characterized in that, the bottom of described lower valve body is provided with screw thread, and the threaded portion of lower valve body passes the bottle cap of described sampling jar, and by nut screwing clamping on bottle cap.
3. a kind of enclosed sampling device with rapid-acting coupling according to claim 1, it is characterized in that, described Elastic valve core forms primarily of guide holder, spring and core body, described guide holder is provided with pilot hole, described core body one end is provided with conical seal, the other end is provided with guide pillar, and the guide pillar of described core body through described spring, and can move freely in described pilot hole.
4. a kind of enclosed sampling device with rapid-acting coupling according to claim 1, it is characterized in that, the top of described upper valve body is provided with internal thread, and described top connection is tightened on described flowline by described internal thread.
5. a kind of enclosed sampling device with rapid-acting coupling according to claim 1, it is characterized in that, the projection inner face of described cutting ferrule forms the first butting section, and described spring is pressed on described butting section, and outer face is downward-sloping taper surface.
6. a kind of enclosed sampling device with rapid-acting coupling according to claim 1 or 5, it is characterized in that, the described upper valve body position corresponding to described cutting ferrule is provided with the second butting section, and described spring is pressed between described first butting section and the second butting section.
7. a kind of enclosed sampling device with rapid-acting coupling according to claim 1 or 5, it is characterized in that, described upper valve body is provided with the taper surface adapted with described cutting ferrule projection outer face near described ball, and when two taper surface laminatings, ball is pressed in connection chamber by described projection.
8. a kind of enclosed sampling device with rapid-acting coupling according to claim 1 and 2, is characterized in that, be also provided with O RunddichtringO between described lower valve body and sampling jar bottleneck end face.
9. a kind of enclosed sampling device with rapid-acting coupling according to claim 1, is characterized in that, connection chamber and the described lower valve body socket part of described upper valve body are also provided with grommet type seals, and described grommet type seals is positioned at described draw-in groove top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410551461.8A CN105571893B (en) | 2014-10-17 | 2014-10-17 | A kind of enclosed sampling device with quick coupling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410551461.8A CN105571893B (en) | 2014-10-17 | 2014-10-17 | A kind of enclosed sampling device with quick coupling |
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| CN105571893A true CN105571893A (en) | 2016-05-11 |
| CN105571893B CN105571893B (en) | 2018-08-14 |
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| CN201410551461.8A Active CN105571893B (en) | 2014-10-17 | 2014-10-17 | A kind of enclosed sampling device with quick coupling |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000955A (en) * | 2018-09-06 | 2018-12-14 | 河南中托力合化学有限公司 | A kind of pipeline sampling apparatus |
| CN109000979A (en) * | 2018-09-06 | 2018-12-14 | 河南中托力合化学有限公司 | A kind of sampling apparatus suitable for fluid reservoir |
| CN109632407A (en) * | 2019-01-15 | 2019-04-16 | 西安石油大学 | Oil well produced fluid well head closed sampling device and its enclosed sampling method |
| CN114933094A (en) * | 2022-07-21 | 2022-08-23 | 山东港源管道物流有限公司 | Crude oil sample storage device and use method thereof |
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| JPS60233529A (en) * | 1984-05-02 | 1985-11-20 | Osaka Gas Co Ltd | Device for collecting liquid sample |
| US6286880B1 (en) * | 1999-05-18 | 2001-09-11 | David W. Pratt | Bailer having leak-inhibiting cushioned seal |
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| CN102872487A (en) * | 2012-10-22 | 2013-01-16 | 贝恩医疗设备(广州)有限公司 | Check valve for dialysis and one-way control device for dialysis |
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| JPS56104231A (en) * | 1980-01-23 | 1981-08-19 | Oval Eng Co Ltd | Sampling apparatus |
| JPS60233529A (en) * | 1984-05-02 | 1985-11-20 | Osaka Gas Co Ltd | Device for collecting liquid sample |
| US6286880B1 (en) * | 1999-05-18 | 2001-09-11 | David W. Pratt | Bailer having leak-inhibiting cushioned seal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000955A (en) * | 2018-09-06 | 2018-12-14 | 河南中托力合化学有限公司 | A kind of pipeline sampling apparatus |
| CN109000979A (en) * | 2018-09-06 | 2018-12-14 | 河南中托力合化学有限公司 | A kind of sampling apparatus suitable for fluid reservoir |
| CN109632407A (en) * | 2019-01-15 | 2019-04-16 | 西安石油大学 | Oil well produced fluid well head closed sampling device and its enclosed sampling method |
| CN114933094A (en) * | 2022-07-21 | 2022-08-23 | 山东港源管道物流有限公司 | Crude oil sample storage device and use method thereof |
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| CN105571893B (en) | 2018-08-14 |
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