CN204228476U - Liquefied gas enclosed sampling system - Google Patents
Liquefied gas enclosed sampling system Download PDFInfo
- Publication number
- CN204228476U CN204228476U CN201420576259.6U CN201420576259U CN204228476U CN 204228476 U CN204228476 U CN 204228476U CN 201420576259 U CN201420576259 U CN 201420576259U CN 204228476 U CN204228476 U CN 204228476U
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- Prior art keywords
- sampler
- liquefied gas
- joint
- sampling
- blow
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Abstract
The utility model provides a kind of liquefied gas enclosed sampling system.The utility model liquefied gas enclosed sampling system, comprise: liquefied gas storage and the external transport pipeline be connected with liquefied gas storage, sampling line, the first interface of sampling line is connected with external transport pipeline, sampling line is provided with joint, on the sampling line of the side of liquefied gas storage, be provided with the first sample valve at joint, the sampling line of other side is provided with the second sample valve; Second interface of sampling line connects the air intake opening of sampler, and the exhausr port of sampler connects the active joint of first metal hose one end; The other end of the first metal hose is connected with the first blow-down pipe, and the first blow-down pipe is provided with the first atmospheric valve; First blow-down pipe is connected to blowdown system.The liquefied gas unnecessary in whole sampling process of the utility model sampling system is all disposed in blowdown system, can not cause any pollution to environment, easy and simple to handle, and improves processing safety.
Description
Technical field
The utility model relates to chemical industry measurement technical field, particularly relates to a kind of liquefied gas enclosed sampling system and method.
Background technology
Liquefied gas sampling system of the prior art is that the external transport pipeline bottom liquefied gas storage arranges sampling line, and sampling line is provided with former and later two sampling hand valves.Sampling operation is as follows: sampler be fixed on sampling line, opens sampler exhaust root valve, sampler air inlet root valve, former and later two sampling hand valves successively, allows liquefied gas directly to sky discharge, and carry out gas displacement to sampler.After sampler is fully replaced, close sampler exhaust root valve again sample.Close sampler air inlet root valve, former and later two sampling hand valves after having sampled successively, finally again sampler is taken off.
In prior art, because in replacement process, liquefied gas is all directly to sky discharge, there is again the potential safety hazard of breaking out of fire, blast, there is certain danger in one side both contaminated environment on the other hand.
Utility model content
The utility model provides a kind of liquefied gas enclosed sampling system, and during to overcome sampler gas displacement in prior art, liquefied gas is directly disposed in air, produces and pollutes, and the problem that danger is higher.
The utility model provides a kind of liquefied gas enclosed sampling system, comprising: liquefied gas storage and the external transport pipeline be connected with described liquefied gas storage, also comprise:
Sampling line, the first interface of described sampling line is connected with described external transport pipeline, described sampling line is provided with joint, on the described sampling line of the side of described liquefied gas storage, be provided with the first sample valve at described joint, the described sampling line of other side is provided with the second sample valve;
Second interface of described sampling line connects the air intake opening of sampler, and the exhausr port of described sampler connects the active joint of first metal hose one end; The other end of described first metal hose is connected with the first blow-down pipe, and described first blow-down pipe is provided with the first atmospheric valve; Described first blow-down pipe is connected to blowdown system;
Described joint is three-way connection;
The residue joint of described three-way connection connects one end of exhaust line, and described exhaust line is provided with vent valve;
The other end of described exhaust line is connected with the active joint of one end of the second metal hose; The other end of described second metal hose is connected with the second blow-down pipe, and described second blow-down pipe is provided with the second atmospheric valve; Described second blow-down pipe is connected to blowdown system.
Alternatively, the air intake opening place of described sampler is provided with sampler air inlet root valve, and the exhaust ports of described sampler is provided with sampler exhaust root valve.
Alternatively, described sampling line is inverted L shape.
Alternatively, described exhaust line is inverted L shape.
Alternatively, the end of described sampling line is provided with external screw joint.
Alternatively, the end of described exhaust line is provided with external screw joint.
Alternatively, described exhaust line be provided with external screw joint with the end of described second connection by metal hose, be connected with the active joint of one end of described second metal hose; Described active joint is provided with internal thread interface.
Alternatively, the second interface of described sampling line is provided with external screw joint, is connected with the air intake opening of described sampler, and the air intake opening of described sampler is provided with internal thread interface.
The utility model liquefied gas enclosed sampling system, comprise: liquefied gas storage and the external transport pipeline be connected with described liquefied gas storage, sampling line, the first interface of described sampling line is connected with described external transport pipeline, described sampling line is provided with joint, on the described sampling line of the side of described liquefied gas storage, be provided with the first sample valve at described joint, the described sampling line of other side is provided with the second sample valve; Second interface of described sampling line connects the air intake opening of sampler, and the exhausr port of described sampler connects the active joint of first metal hose one end; The other end of described first metal hose is connected with the first blow-down pipe, and described first blow-down pipe is provided with the first atmospheric valve; Described first blow-down pipe is connected to blowdown system, achieve the function to liquefied gas sampling, and liquefied gas unnecessary in whole sampling process is all disposed in blowdown system, any pollution can not be caused to environment, easy and simple to handle, and improve processing safety, when avoiding sampler gas displacement in prior art, liquefied gas is directly disposed in air, produce and pollute, and the problem that danger is higher.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment 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 embodiments more of the present utility model, 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 the structural representation of the utility model liquefied gas enclosed sampling system one embodiment;
Fig. 2 is the structural representation one of another embodiment of the utility model liquefied gas enclosed sampling system;
Fig. 3 is the structural representation two of another embodiment of the utility model liquefied gas enclosed sampling system;
Fig. 4 is the process flow diagram one of the utility model liquefied gas enclosed sampling embodiment of the method;
Fig. 5 is the flowchart 2 of the utility model liquefied gas enclosed sampling embodiment of the method.
Description of reference numerals:
1: liquefied gas storage;
2: external transport pipeline;
3: sampling line;
33: joint;
31: the first sample valves;
32: the second sample valves;
5: sampler;
6: the first metal hoses;
The active joint of one end of 61: the first metal hoses 6;
7: the first blow-down pipes;
71: the first atmospheric valves;
4: exhaust line;
41: vent valve;
8: the second metal hoses;
The active joint of one end of 81: the second metal hoses 8;
9: the second blow-down pipes;
91: the second atmospheric valves.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structural representation of the utility model liquefied gas enclosed sampling system one embodiment, as shown in Figure 1, the system of the present embodiment can comprise: liquefied gas storage 1 and the external transport pipeline 2 be connected with described liquefied gas storage, sampling line 3, the first interface of described sampling line 3 is connected with described external transport pipeline 2, described sampling line 3 is provided with joint 33, on the described sampling line 3 of the side of described liquefied gas storage 1, be provided with the first sample valve 31 at described joint 33, the described sampling line 3 of other side is provided with the second sample valve 32;
Second interface of described sampling line 3 connects the air intake opening of sampler 5, and the exhausr port of described sampler 5 connects the active joint 61 of first metal hose 6 one end; The other end of described first metal hose 6 is connected with the first blow-down pipe 7, and described first blow-down pipe 7 is provided with the first atmospheric valve 71; Described first blow-down pipe 7 is connected to blowdown system.
Specifically, as shown in Figure 1, the bottom of liquefied gas storage 1 is provided with the external transport pipeline 2 of liquefied gas, and the position on external transport pipeline 2 bottom liquefied gas storage 1 is provided with sampling line 3.The vertical section of sampling line 3 is provided with joint 33, the upper and lower pipeline of joint 33 is installed respectively the first sample valve 31 and the second sample valve 32; Second interface of sampling line 33 is for connecting the air intake opening of sampler 5, and the exhausr port of sampler 5 is connected to the active joint 61 on the first metal hose 6; The other end and the blow-down pipe 7 of the first metal hose 6 are fixedly linked, and blow-down pipe 7 is provided with the first atmospheric valve 71, the other end of blow-down pipe 7 is connected to blowdown system.
Alternatively, the air intake opening place of described sampler 5 is provided with sampler air inlet root valve, and the exhaust ports of described sampler is provided with sampler exhaust root valve;
After having sampled, close described sampler air inlet root valve and described first sample valve 31.
Specifically, as shown in Figure 1, during sampling, open the first atmospheric valve 71 successively, sampler exhaust root valve, sampler air inlet root valve, the second sample valve 32 and the first sample valve 31 pairs of sampler 5 carry out gas displacement.After the gas in sampler 5 is fully replaced, closedown sampler exhaust root valve and the first atmospheric valve 71 start sampling successively.After having sampled, close sampler air inlet root valve and the first sample valve 31 successively, the first metal hose 6 can be disassembled from sampler 5.
Gas all in sampler gas displacement process is all disposed in blowdown system to be burnt, and does not have a wee bit liquefied gas to be disposed in air, can not cause any pollution to environment.
The system of the present embodiment, comprise: liquefied gas storage and the external transport pipeline be connected with described liquefied gas storage, sampling line, the first interface of described sampling line is connected with described external transport pipeline, described sampling line is provided with joint, on the described sampling line of the side of described liquefied gas storage, be provided with the first sample valve at described joint, the described sampling line of other side is provided with the second sample valve; Second interface of described sampling line connects the air intake opening of sampler, and the exhausr port of described sampler connects the active joint of first metal hose one end; The other end of described first metal hose is connected with the first blow-down pipe, and described first blow-down pipe is provided with the first atmospheric valve; Described first blow-down pipe is connected to blowdown system, achieve the function to liquefied gas sampling, and liquefied gas unnecessary in whole sampling process is all disposed in blowdown system, any pollution can not be caused to environment, easy and simple to handle, and improve processing safety, when avoiding sampler gas displacement in prior art, liquefied gas is directly disposed in air, produce and pollute, and the problem that danger is higher.
Fig. 2 is the structural representation of another embodiment of the utility model liquefied gas enclosed sampling system, and Fig. 3 is the structural representation two of another embodiment of the utility model liquefied gas enclosed sampling system.As shown in Figure 2, the system of the present embodiment is on architecture basics embodiment illustrated in fig. 1, and described joint 33 is three-way connection 33;
The residue joint of described three-way connection 33 connects one end of exhaust line 4, and described exhaust line 4 is provided with vent valve 41;
The other end of described exhaust line 4 is connected with the active joint 81 of one end of the second metal hose 8; The other end of described second metal hose 8 is connected with the second blow-down pipe 9, and described second blow-down pipe 9 is provided with the second atmospheric valve 91; Described second blow-down pipe 9 is connected to blowdown system.
Specifically, as shown in Figure 2, the residue joint of described three-way connection 33 connects one end of exhaust line 4, and described exhaust line 4 is provided with vent valve 41; The other end of described exhaust line 4 is connected with the active joint 81 of one end of the second metal hose 8; The other end of described second metal hose 8 is connected with the second blow-down pipe 9, and described second blow-down pipe 9 is provided with the second atmospheric valve 91; Described second blow-down pipe 9 is connected to the interface that the active joint 61 of metal hose is connected to exhaust line 4 end by blowdown system, after liquefied gas has sampled, open the second atmospheric valve 91 and vent valve 41 successively, so just can by clean for remaining gas discharging in first this depot siding of sample valve 31 to sampler 5 air intake opening, avoid pipeline to be frozen to block, after exhaust terminates, close the second sample valve 32 and the second atmospheric valve 91 successively.
Gas all in whole exhaust process is all disposed in blowdown system to be burnt, and does not have a wee bit liquefied gas to be disposed in air, can not cause any pollution to environment.
In the present embodiment, further, after liquefied gas has sampled, system architecture during exhaust as shown in Figure 3, can also disassemble from sampler 5 by the first metal hose 6, has been connected on exhaust line.
Alternatively, described sampling line 3 is inverted L shape.
Alternatively, described exhaust line 4 is inverted L shape.
Alternatively, the end of described sampling line 3 is provided with external screw joint.
Alternatively, the end of described exhaust line 4 is provided with external screw joint.
Be connected with miscellaneous part by described external screw joint.
Alternatively, described exhaust line be provided with external screw joint with the end of described second connection by metal hose, be connected with the active joint of one end of described second metal hose; Described active joint is provided with internal thread interface.
Alternatively, the second interface of described sampling line is provided with external screw joint, is connected with the air intake opening of described sampler, and the air intake opening of described sampler is provided with internal thread interface.
In the system of the present embodiment, described joint is three-way connection; The residue joint of described three-way connection connects one end of exhaust line, and described exhaust line is provided with vent valve; The other end of described exhaust line is connected with the active joint of one end of the second metal hose; The other end of described second metal hose is connected with the second blow-down pipe, and described second blow-down pipe is provided with the second atmospheric valve; Described second blow-down pipe is connected to blowdown system; achieve clean for remaining gas discharging in the first sample valve to this depot siding of air intake opening of sampler; pipeline is avoided to be frozen to block; and gas all in whole process is all disposed in blowdown system and is burnt; do not have a wee bit liquefied gas to be disposed in air, any pollution can not be caused to environment, and eradicated issuable fire, explosion danger in the prior art yet; protect personal safety, improve processing safety.
Fig. 4 is the process flow diagram one of the utility model liquefied gas enclosed sampling embodiment of the method, Fig. 5 is the flowchart 2 of the utility model liquefied gas enclosed sampling embodiment of the method, as shown in Figure 4, on the architecture basics of liquefied gas enclosed sampling system embodiment illustrated in fig. 1, the liquefied gas enclosed sampling method of the present embodiment, for sampling based on liquefied gas enclosed sampling system
Step 401, when needs sample liquefied gas, open described first atmospheric valve, the exhaust of described sampler root valve, described sampler air inlet root valve, described second sample valve and described first sample valve, gas in described sampler is replaced, after the gas displacement treating in described sampler completes, close described sampler exhaust root valve and described first atmospheric valve starts sampling;
Step 402, sampled after, close described sampler air inlet root valve and described first sample valve.
Specifically, as shown in Figure 1, during sampling, open the first atmospheric valve 71 successively, sampler exhaust root valve, sampler air inlet root valve, the second sample valve 32 and the first sample valve 31 pairs of sampler 5 carry out gas displacement.After the gas in sampler 5 is fully replaced, closedown sampler exhaust root valve and the first atmospheric valve 71 start sampling successively.After having sampled, close sampler air inlet root valve and the first sample valve 31 successively, the first metal hose 6 can be disassembled from sampler 5.
Gas all in sampler gas displacement process is all disposed in blowdown system to be burnt, and does not have a wee bit liquefied gas to be disposed in air, can not cause any pollution to environment.
Alternatively, if described joint is three-way connection; The residue joint of described three-way connection connects one end of exhaust line, and described exhaust line is provided with vent valve; The other end of described exhaust line is connected with the active joint of one end of the second metal hose; The other end of described second metal hose is connected with the second blow-down pipe, and described second blow-down pipe is provided with the second atmospheric valve; Described second blow-down pipe is connected to blowdown system;
After then described sampling completes, after closing described sampler air inlet root valve and described first sample valve, as shown in Figure 5, also comprise:
When step 501, the liquefied gas needed in emptying described sampling line, open described second atmospheric valve and described vent valve;
After step 502, exhaust terminate, close described second sample valve and described second atmospheric valve.
Specifically, as shown in Figure 2, the residue joint of described three-way connection 33 connects one end of exhaust line 4, and described exhaust line 4 is provided with vent valve 41; The other end of described exhaust line 4 is connected with the active joint 81 of one end of the second metal hose 8; The other end of described second metal hose 8 is connected with the second blow-down pipe 9, and described second blow-down pipe 9 is provided with the second atmospheric valve 91; Described second blow-down pipe 9 is connected to the interface that the active joint 61 of metal hose is connected to exhaust line 4 end by blowdown system, after liquefied gas has sampled, open the second atmospheric valve 91 and vent valve 41 successively, so just can by clean for remaining gas discharging in first this depot siding of sample valve 31 to sampler 5 air intake opening, avoid pipeline to be frozen to block, after exhaust terminates, close the second sample valve 32 and the second atmospheric valve 91 successively.
Gas all in whole exhaust process is all disposed in blowdown system to be burnt, and does not have a wee bit liquefied gas to be disposed in air, can not cause any pollution to environment.
The method of the present embodiment, can adopt as shown in Figure 1, Figure 2, the structure of the arbitrary liquefied gas enclosed sampling system shown in Fig. 3 realizes, liquefied gas enclosed sampling system, comprise: liquefied gas storage and the external transport pipeline be connected with described liquefied gas storage, sampling line, the first interface of described sampling line is connected with described external transport pipeline, described sampling line is provided with joint, on the described sampling line of the side of described liquefied gas storage, be provided with the first sample valve at described joint, the described sampling line of other side is provided with the second sample valve; Second interface of described sampling line connects the air intake opening of sampler, and the exhausr port of described sampler connects the active joint of first metal hose one end; The other end of described first metal hose is connected with the first blow-down pipe, and described first blow-down pipe is provided with the first atmospheric valve; Described first blow-down pipe is connected to blowdown system; Further, described joint can be three-way connection; The residue joint of described three-way connection connects one end of exhaust line, and described exhaust line is provided with vent valve; The other end of described exhaust line is connected with the active joint of one end of the second metal hose; The other end of described second metal hose is connected with the second blow-down pipe, and described second blow-down pipe is provided with the second atmospheric valve; Described second blow-down pipe is connected to blowdown system; Further, achieve the function to liquefied gas sampling, and liquefied gas unnecessary in whole sampling process is all disposed in blowdown system, any pollution can not be caused to environment, easy and simple to handle, and improve processing safety, when avoiding sampler gas displacement in prior art, liquefied gas is directly disposed in air, produce and pollute, and the problem that danger is higher.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (8)
1. a liquefied gas enclosed sampling system, comprising: liquefied gas storage and the external transport pipeline be connected with described liquefied gas storage, is characterized in that, also comprise:
Sampling line, the first interface of described sampling line is connected with described external transport pipeline, described sampling line is provided with joint, on the described sampling line of the side of described liquefied gas storage, be provided with the first sample valve at described joint, the described sampling line of other side is provided with the second sample valve;
Second interface of described sampling line connects the air intake opening of sampler, and the exhausr port of described sampler connects the active joint of first metal hose one end; The other end of described first metal hose is connected with the first blow-down pipe, and described first blow-down pipe is provided with the first atmospheric valve; Described first blow-down pipe is connected to blowdown system;
Described joint is three-way connection;
The residue joint of described three-way connection connects one end of exhaust line, and described exhaust line is provided with vent valve;
The other end of described exhaust line is connected with the active joint of one end of the second metal hose; The other end of described second metal hose is connected with the second blow-down pipe, and described second blow-down pipe is provided with the second atmospheric valve; Described second blow-down pipe is connected to blowdown system.
2. system according to claim 1, is characterized in that, the air intake opening place of described sampler is provided with sampler air inlet root valve, and the exhaust ports of described sampler is provided with sampler exhaust root valve.
3. system according to claim 1 and 2, is characterized in that, described sampling line is inverted L shape.
4. system according to claim 3, is characterized in that, described exhaust line is inverted L shape.
5. system according to claim 4, is characterized in that, the end of described sampling line is provided with external screw joint.
6. system according to claim 5, is characterized in that, the end of described exhaust line is provided with external screw joint.
7. system according to claim 6, is characterized in that, described exhaust line be provided with external screw joint with the end of described second connection by metal hose, be connected with the active joint of one end of described second metal hose; Described active joint is provided with internal thread interface.
8. system according to claim 7, is characterized in that, the second interface of described sampling line is provided with external screw joint, is connected with the air intake opening of described sampler, and the air intake opening of described sampler is provided with internal thread interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420576259.6U CN204228476U (en) | 2014-09-30 | 2014-09-30 | Liquefied gas enclosed sampling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420576259.6U CN204228476U (en) | 2014-09-30 | 2014-09-30 | Liquefied gas enclosed sampling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204228476U true CN204228476U (en) | 2015-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420576259.6U Expired - Fee Related CN204228476U (en) | 2014-09-30 | 2014-09-30 | Liquefied gas enclosed sampling system |
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| CN (1) | CN204228476U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352763A (en) * | 2015-12-15 | 2016-02-24 | 中国原子能科学研究院 | Sodium potassium alloy sampling device |
| CN106989963A (en) * | 2017-06-08 | 2017-07-28 | 北京永兴精佳仪器有限公司 | A kind of pipeline gas enclosed sampling method |
-
2014
- 2014-09-30 CN CN201420576259.6U patent/CN204228476U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352763A (en) * | 2015-12-15 | 2016-02-24 | 中国原子能科学研究院 | Sodium potassium alloy sampling device |
| CN105352763B (en) * | 2015-12-15 | 2018-07-06 | 中国原子能科学研究院 | A kind of Na-K alloy sampler |
| CN106989963A (en) * | 2017-06-08 | 2017-07-28 | 北京永兴精佳仪器有限公司 | A kind of pipeline gas enclosed sampling method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150325 |