CN207114266U - A kind of liquefied gas enclosed sampling system - Google Patents

A kind of liquefied gas enclosed sampling system Download PDF

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Publication number
CN207114266U
CN207114266U CN201720908517.XU CN201720908517U CN207114266U CN 207114266 U CN207114266 U CN 207114266U CN 201720908517 U CN201720908517 U CN 201720908517U CN 207114266 U CN207114266 U CN 207114266U
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CN
China
Prior art keywords
flexible pipe
valve
liquefied gas
sampling
pipeline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720908517.XU
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Chinese (zh)
Inventor
尹承兰
宋铁明
张继明
姚伟清
韩冬
周铁山
付俊文
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LIAONING JIAHE FINE CHEMICAL Co Ltd
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LIAONING JIAHE FINE CHEMICAL Co Ltd
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Priority to CN201720908517.XU priority Critical patent/CN207114266U/en
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Publication of CN207114266U publication Critical patent/CN207114266U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of liquefied gas enclosed sampling system is the utility model is related to, including:The first pipeline and the second pipeline that sampling bottle, one end are connected with liquefied gas pipeline, fixing end of the other end of first pipeline and the second pipeline respectively with the first flexible pipe and the second flexible pipe is connected, and its link position is respectively arranged with the first valve and the second valve;The free end of first flexible pipe is provided with the male of snap joint, and the free end of second flexible pipe is detachably connected with the male or female of the snap joint.System provided by the utility model is avoided in sampling process and directly idle discharge is placed on to carry out gas displacement, not only using health simple, free from environmental pollution, and can not also influenceing sampling employee.

Description

A kind of liquefied gas enclosed sampling system
Technical field
It the utility model is related to chemical industry measurement technical field, and in particular to a kind of liquefied gas enclosed sampling system.
Background technology
Liquefied gas sampler of the prior art is to set sampling line on the external transport pipeline of liquefied gas storage bottom, Former and later two sampling hand valves are installed on sampling line.Sampling operation is as follows:Sampler is fixed on sampling line, Sampler exhaust root valve, sampler air inlet root valve, former and later two sampling hand valves are opened successively, allow liquefied gas directly to idle discharge Put, and gas displacement is carried out to sampler.Sampler exhaust root valve is turned off after sampler is sufficiently displaced to be sampled. Sampler air inlet root valve, former and later two sampling hand valves are closed after the completion of sampling successively, finally again remove sampler.
In the prior art, gas displacement typically is carried out by being directly placed on to idle discharge, this operating method is not But the energy, pollution environment are wasted, and is protected not at that time in sampling employee, its health can be influenceed.
Utility model content
For in place of above-mentioned the shortcomings of the prior art, the utility model provides a kind of liquefied gas enclosed sampling system System, the system avoids in sampling process and directly idle discharge is placed on to carry out gas displacement, not only using it is simple, do not pollute ring Border, and can not also influence to sample the health of employee.
Its health can be influenceed.Used technical scheme is the utility model to achieve the above object:
A kind of liquefied gas enclosed sampling system, it is characterised in that including:Sampling bottle, one end are connected with liquefied gas pipeline The first pipeline and the second pipeline connect, the other end of first pipeline and the second pipeline respectively with the first flexible pipe and the second flexible pipe Fixing end be connected, and its link position is respectively arranged with the first valve and the second valve, the free end of first flexible pipe The male of snap joint is provided with, the free end of second flexible pipe detachably connects with the male or female of the snap joint Connect;In non-sampling, the free end of second flexible pipe be connected with the female of the snap joint first flexible pipe and Second flexible pipe is connected by the male of the snap joint with female;In sampling, the free end and one of second flexible pipe The male of the snap joint is connected, first flexible pipe and the second flexible pipe by the male of the snap joint with it is described The upper bottle valve of sampling bottle is connected with lower bottle valve.
Further, the snap joint is plug-in type bidirectional self-sealing snap joint.
Further, a straight tube is set in the bottle of the sampling bottle, and one end of the straight tube is connected with the upper bottle valve Connect, its other end is through to the bottom of the bottle.
Further, explosion-proof pad is provided with the upper bottle valve.
Further, first valve and the second valve are electrically operated valve.
Further, it is provided with liquefied gas leak alarm on first flexible pipe and the second flexible pipe.
Further, first valve, the second valve and leak alarm are connected with PLC, the PLC Controller is with monitoring information of the leak alarm to the system is received, to control first valve and the second valve Switch.
A kind of liquefied gas enclosed sampling system provided by the utility model, by setting the first pipeline on liquefied gas pipeline With the second pipeline, and the first valve and the second valve are respectively provided with the first pipeline and the second pipeline, whole system is existed There is the protection of double valve during enclosed sampling, and when the first flexible pipe and the second flexible pipe are damaged, by closing the first valve Liquefied gas is not revealed with the second valve, do not influence normally to produce, and to be more convenient for changing all accessories;When not sampling, The female of snap joint is connected in the free end of the second flexible pipe, the first flexible pipe and second are made by the male and female of snap joint Flexible pipe is connected, and the first flexible pipe and the second flexible pipe is in and is opened circulation status, ensures sample forever in flow regime without dead Area;And in sampling, the male of snap joint is connected in the free end of the second flexible pipe, make the first flexible pipe and the second flexible pipe pass through it is fast The male of quick coupling is connected with the upper bottle valve of sampling bottle and lower bottle valve, sampling bottle is in totally-enclosed flow regime without dead band shape How long state, displacement all do not waste, all replace in pipeline, ensure that sampling process is free from environmental pollution and sampling process Security.In a word, the system is avoided in sampling process and directly idle discharge is placed on to carry out gas displacement, not only using it is simple, It is free from environmental pollution, and can not also influence to sample the health of employee.
Brief description of the drawings
Fig. 1 is a kind of knot of the liquefied gas enclosed sampling system of the utility model exemplary embodiment under non-sampling state Structure schematic diagram;
Fig. 2 is a kind of structure of the liquefied gas enclosed sampling system of the utility model exemplary embodiment under sampling state Schematic diagram.
In figure:1- sampling bottles, 2- liquefied gas pipelines, the pipelines of 3- first, the pipelines of 4- second, the valves of 5- first, the valves of 6- second Door, 7- males, 8- females, the flexible pipes of 9- first, the flexible pipes of 10- second.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to The scope of the utility model protection.
As illustrated in fig. 1 and 2, a kind of liquefied gas enclosed sampling system, including:Sampling bottle 1, one end with liquefy tracheae 2 The other end of the first pipeline 3 and the second pipeline 4 being connected, the first pipeline 3 and the second pipeline 4 respectively with the first flexible pipe 9 and The fixing end of two flexible pipes 10 is connected, and its link position is respectively arranged with the first valve 5 and the second valve 6, the He of the first valve 5 Second valve 6 is electrically operated valve;The free end of first flexible pipe 9 is provided with the male 7 of snap joint, the freedom of the second flexible pipe 10 Male 7 or female 8 with snap joint is held to be detachably connected, wherein, snap joint is plug-in type bidirectional self-sealing snap joint; During non-sampling, the free end of the second flexible pipe 10 is connected with the female 8 of a snap joint, and the first flexible pipe 9 and the second flexible pipe 10 are logical The male 7 for crossing snap joint is connected with female 8;In sampling, the free end of the second flexible pipe 10 and the snap joint Male 7 is connected, male 7 and the sampling bottle 1 of the flexible pipe 10 of the first flexible pipe 9 and second by the snap joint Upper bottle valve is connected with lower bottle valve;Wherein, explosion-proof pad is provided with upper bottle valve, a straight tube is set in the bottle of sampling bottle 1, directly One end of pipe is connected with the upper bottle valve, and its other end is through to the bottom of the bottle.
First valve 5 and the second valve 6 are electrically operated valve, and liquefied gas is provided with the first flexible pipe 9 and the second flexible pipe 10 Leak alarm, the first valve 5, the second valve 6 and leak alarm are connected with PLC, and PLC receives Monitoring information to leak alarm to system, to control the switch of the first valve 5 and the second valve 6.
Finally it should be noted that:Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand:It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (7)

  1. A kind of 1. liquefied gas enclosed sampling system, it is characterised in that including:Sampling bottle (1), one end with liquefied gas pipeline (2) The other end of the first pipeline (3) and the second pipeline (4) being connected, first pipeline (3) and the second pipeline (4) is respectively with One flexible pipe (9) is connected with the fixing end of the second flexible pipe (10), and its link position is respectively arranged with the first valve (5) and second Valve (6);The free end of first flexible pipe (9) is provided with the male (7) of snap joint, the freedom of second flexible pipe (10) Male (7) or female (8) with the snap joint is held to be detachably connected;In non-sampling, second flexible pipe (10) from Be connected by holding with the female (8) of the snap joint, first flexible pipe (9) and the second flexible pipe (10) pass through it is described quickly The male (7) of joint is connected with female (8);In sampling, the free end of second flexible pipe (10) and a fast quick access The male (7) of head is connected, first flexible pipe (9) and the second flexible pipe (10) by the male (7) of the snap joint and The upper bottle valve of the sampling bottle (1) is connected with lower bottle valve.
  2. 2. a kind of liquefied gas enclosed sampling system according to claim 1, it is characterised in that the snap joint is insertion Formula bidirectional self-sealing snap joint.
  3. 3. a kind of liquefied gas enclosed sampling system according to claim 1 or 2, it is characterised in that the sampling bottle (1) One straight tube is set in bottle, and one end of the straight tube is connected with the upper bottle valve, and its other end is through to the bottom of the bottle Portion.
  4. 4. a kind of liquefied gas enclosed sampling system according to claim 3, it is characterised in that be provided with the upper bottle valve Explosion-proof pad.
  5. A kind of 5. liquefied gas enclosed sampling system according to claim 1, it is characterised in that first valve (5) and Second valve (6) is electrically operated valve.
  6. A kind of 6. liquefied gas enclosed sampling system according to claim 5, it is characterised in that first flexible pipe (9) and Second flexible pipe is provided with liquefied gas leak alarm on (10).
  7. 7. a kind of liquefied gas enclosed sampling system according to claim 6, it is characterised in that first valve (5), Two valves (6) and leak alarm are connected with PLC, and the PLC is with receiving the leak alarm To the monitoring information of the system, to control the switch of first valve (5) and the second valve (6).
CN201720908517.XU 2017-07-25 2017-07-25 A kind of liquefied gas enclosed sampling system Expired - Fee Related CN207114266U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720908517.XU CN207114266U (en) 2017-07-25 2017-07-25 A kind of liquefied gas enclosed sampling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720908517.XU CN207114266U (en) 2017-07-25 2017-07-25 A kind of liquefied gas enclosed sampling system

Publications (1)

Publication Number Publication Date
CN207114266U true CN207114266U (en) 2018-03-16

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111504729A (en) * 2020-04-13 2020-08-07 新昌县七星街道春强机械厂 Linkage type waste gas sampling structure for combustion waste gas detection
CN112102975A (en) * 2020-09-28 2020-12-18 三门核电有限公司 Method for measuring total gas content of pressurized water reactor nuclear power loop
CN112151199A (en) * 2020-09-28 2020-12-29 三门核电有限公司 Total gas content measuring device of pressurized water reactor nuclear power loop

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111504729A (en) * 2020-04-13 2020-08-07 新昌县七星街道春强机械厂 Linkage type waste gas sampling structure for combustion waste gas detection
CN111504729B (en) * 2020-04-13 2021-08-17 广西益全检测评价有限公司 Linkage type waste gas sampling structure for combustion waste gas detection
CN112102975A (en) * 2020-09-28 2020-12-18 三门核电有限公司 Method for measuring total gas content of pressurized water reactor nuclear power loop
CN112151199A (en) * 2020-09-28 2020-12-29 三门核电有限公司 Total gas content measuring device of pressurized water reactor nuclear power loop
CN112102975B (en) * 2020-09-28 2021-11-26 三门核电有限公司 Method for measuring total gas content of pressurized water reactor nuclear power loop
WO2022062710A1 (en) * 2020-09-28 2022-03-31 三门核电有限公司 Total gas content measurement apparatus for pressurized water reactor nuclear primary loop

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180316

Termination date: 20190725