CN204964241U - Online pneumatic sampling system - Google Patents
Online pneumatic sampling system Download PDFInfo
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- CN204964241U CN204964241U CN201520686783.3U CN201520686783U CN204964241U CN 204964241 U CN204964241 U CN 204964241U CN 201520686783 U CN201520686783 U CN 201520686783U CN 204964241 U CN204964241 U CN 204964241U
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Abstract
The utility model provides an online pneumatic sampling system, including air supply subtotal sampling part, the air supply part includes consecutive manual valve, air supply trigeminy piece and air supply, and the sampling part exports including consecutive medium inlet, first pneumatic valve, cooler, manual tee bend ball valve, sampling steel bottle, second pneumatic valve, check valve and medium, first pneumatic valve links to each other with manual valve through first gas circuit pipeline and second gas circuit pipeline respectively, the second pneumatic valve respectively through first gas circuit pipeline and second gas circuit pipeline and manual valve links to each other. Above -mentioned online pneumatic sampling system adopts the aerodynamic technology, through the first pneumatic valve of manual valve control, second pneumatic valve etc. Realizes the synchronous on -off action of a plurality of pneumatic valves, when realizing automated control, avoids introducing dangerous source, has avoided artificial unfavorable factor, makes complicated, loaded down with trivial details sampling process systems more portably change.
Description
Technical field
The utility model relates to sampling system, particularly relates to a kind of online pneumatic sampling system.
Background technology
In oil, chemical industry, medicine and other fields, frequently by the various liquid of Cemented filling or gas.In order to ensure that the medium carried can meet the technological parameter index of regulation, sample detecting, analysis must be carried out to pumped (conveying) medium by the specified point on pipeline.
In recent years along with the reinforcement of environmental requirement and the lifting of people's environmental consciousness, the industries such as domestic petroleum chemical industry and medicine have set up many environmental protection equipments at field of Environment Protection.Sampling system, can available protecting sample collector as one of environmental protection equipment, reduces poisonous gas leakage, and can realize the requirement of enclosed sampling.
CN2283842Y discloses a kind of closed sampler for pipe line, sampling is changed to closed by open, namely achieves sampling process and leak without medium, serve protective effect to operating personnel and environment.But this closed sampler for pipe line manually-operated gate is more, and during operation, the sequencing of manually-operated gate is easily made mistakes, and the processes such as purging, cooling are omitted in the negligence be easy to because of operating personnel, cause sampling system to block the problem even lost efficacy.
Therefore, in order to reduce loaded down with trivial details During manual operation, adopt the pattern of combination valve sampling, namely general two valve cores are coaxial, operate a handle simultaneously, two valve actions simultaneously simplify manually operated object to reach, but for needing the sampling process of Complicated Flow, combination valve implements more difficult.
In addition, the industries such as oil, chemical industry, medicine all belong to inflammable, explosive field, adopt electric automatization sampling system, then bring potential safety hazard.
Utility model content
Based on this, be necessary for Problems existing in background technology, provide a kind of easy realization, can realize the online pneumatic sampling system without potential safety hazard of Automated condtrol.
A kind of online pneumatic sampling system, comprise source of the gas part and sampling section, described source of the gas part comprises the hand valve, source of the gas three linked piece and the source of the gas that are connected successively, and described sampling section comprises medium inlet connected successively, the first pneumatic valve, refrigeratory, manual three-way ball valve, sampling steel cylinder, the second pneumatic valve, retaining valve and media outlet; Described first pneumatic valve is connected with described hand valve with the second gas circuit pipeline respectively by the first gas circuit pipeline, and described second pneumatic valve is connected with described hand valve with the second gas circuit pipeline respectively by the first gas circuit pipeline.
Wherein in an embodiment, described sampling section also comprises liquid coolant entrance, cooling liquid outlet, the 3rd pneumatic valve and the 4th pneumatic valve; Described liquid coolant entrance is connected with described refrigeratory by the 3rd pneumatic valve, and described cooling liquid outlet is connected with described refrigeratory by the 4th pneumatic valve; Described 3rd pneumatic valve is connected with described hand valve with the second gas circuit pipeline respectively by described first gas circuit pipeline, and described 4th pneumatic valve is connected with described hand valve with the second gas circuit pipeline respectively by described first gas circuit pipeline.
Wherein in an embodiment, described sampling section also comprises the 5th pneumatic valve, and described 5th pneumatic valve is connected with described refrigeratory, and described 5th pneumatic valve is connected with described hand valve with the second gas circuit pipeline respectively by described first gas circuit pipeline.
Wherein in an embodiment, described sampling section also comprises nitrogen inlet and the 6th pneumatic valve, described nitrogen inlet is connected with described refrigeratory by described 6th pneumatic valve, and described 6th pneumatic valve is connected with described hand valve with the second gas circuit pipeline respectively by described first gas circuit pipeline.
Wherein in an embodiment, described sampling section also comprises metal pipe line, steel cylinder flexible pipe, the first steel cylinder rapid-acting coupling and the second steel cylinder rapid-acting coupling, described manual three-way ball valve is connected with described second pneumatic valve by metal pipe line, and described manual three-way ball valve is connected with described second pneumatic valve with the second steel cylinder rapid-acting coupling by steel cylinder flexible pipe, the first steel cylinder rapid-acting coupling, sampling steel cylinder successively.
Wherein in an embodiment, described sampling section also comprises hand valve for subsequent use, and described hand valve for subsequent use is connected with manual three-way ball valve with described refrigeratory respectively.
Above-mentioned online pneumatic sampling system, adopt pneumatics, manually valve controls the first pneumatic valve, the second pneumatic valve etc., realize the synchronous opening/closing action of multiple pneumatic valve, while realizing Automated condtrol, avoid introducing dangerous matter sources, substantially reduce operation element amount, avoid artificial unfavorable factor, make complexity, loaded down with trivial details sample man's process system more easy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the online pneumatic sampling system of an embodiment.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.First-selected embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, the object of these embodiments is provided to be make to disclosure of the present utility model more thoroughly comprehensively.
It should be noted that, when an element is considered to " be connected " with another element, it can be directly connected to another element, or may there is centering elements simultaneously.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in instructions of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.
Refer to Fig. 1, the online pneumatic sampling system of an embodiment, comprises source of the gas part and sampling section.
Wherein, source of the gas part comprises the hand valve 10, source of the gas three linked piece 12 and the source of the gas 14 that are connected successively.
Source of the gas 14 can provide industrial wind or pressurized air.
Sampling section comprises medium inlet 20, first pneumatic valve 21, refrigeratory 23, manual three-way ball valve 24, sampling steel cylinder 26, second pneumatic valve 22, retaining valve 28 and the media outlet 30 that are connected successively.
Wherein, the first pneumatic valve 21 is connected with hand valve 10 with the second gas circuit pipeline 200 respectively by the first gas circuit pipeline 100.
Second pneumatic valve 22 is connected with hand valve 10 with the second gas circuit pipeline 200 respectively by the first gas circuit pipeline 100.
Concrete, sampling section also comprises metal pipe line 300, steel cylinder flexible pipe 260, first steel cylinder rapid-acting coupling 261 and the second steel cylinder rapid-acting coupling 262.
Manual three-way ball valve 24 is connected with the second pneumatic valve 22 by metal pipe line 300.
Manual three-way ball valve 24 is connected with the second pneumatic valve 22 with the second steel cylinder rapid-acting coupling 262 by steel cylinder flexible pipe 260, first steel cylinder rapid-acting coupling 261, sampling steel cylinder 26 successively.
Adopt manual three-way ball valve 24, ensure that the security of online pneumatic sampling system, avoid because systematic pipeline setup error or operating mistake cause medium casualty accident.
In the present embodiment, sampling section also comprises liquid coolant entrance 40, cooling liquid outlet 50, the 3rd pneumatic valve 43 and the 4th pneumatic valve 44.
Wherein, liquid coolant entrance 40 is connected with refrigeratory 23 by the 3rd pneumatic valve 43.Cooling liquid outlet 50 is connected with refrigeratory 23 by the 4th pneumatic valve 44.
3rd pneumatic valve 43 is connected with hand valve 10 with the second gas circuit pipeline 200 respectively by the first gas circuit pipeline 100.
4th pneumatic valve 44 is connected with hand valve 10 with the second gas circuit pipeline 200 respectively by the first gas circuit pipeline 100.
In the present embodiment, sampling section also comprises the 5th pneumatic valve 55.
5th pneumatic valve 55 is connected with refrigeratory 23, for liquid coolant remaining in emptying refrigeratory 23.
5th pneumatic valve 55 is connected with hand valve 10 with the second gas circuit pipeline 200 respectively by the first gas circuit pipeline 100.
In the present embodiment, sampling section also comprises nitrogen inlet 60 and the 6th pneumatic valve 66.
Wherein, nitrogen inlet 60 is connected with refrigeratory 23 by the 6th pneumatic valve 66.
6th pneumatic valve 66 is connected with hand valve 10 with the second gas circuit pipeline 200 respectively by the first gas circuit pipeline 100.
In the present embodiment, sampling section also comprises hand valve 77 for subsequent use.This hand valve 77 for subsequent use is connected with manual three-way ball valve 24 with refrigeratory 23 respectively.
There is no sampling steel cylinder 26 or in emergency circumstances, this hand valve 77 for subsequent use can be used to sample.
It should be noted that, the parts forming the utility model source of the gas part and sampling section are market universal mature product.
When needs are sampled, operator only need operate hand valve 10, makes it be in sample states.Now, inflate in first gas circuit pipeline 100, first pneumatic valve 21 and the second pneumatic valve 22 are in open mode, medium enters refrigeratory 23 through medium inlet 20, simultaneously, 3rd pneumatic valve 43 and the 4th pneumatic valve 44 are in open mode, and liquid coolant introduced by refrigeratory 23, and other pneumatic valves are in closed condition.Now, operate manual tee ball valve 24, make itself and sampling steel cylinder 26 be in connected state, metal pipe line 300 is in closed condition.
Medium carries out heat interchange with liquid coolant in refrigeratory 23, after medium temperature drops to design temperature, through steel cylinder flexible pipe 260, first steel cylinder rapid-acting coupling 261 enters sampling steel cylinder 26, and through the second steel cylinder rapid-acting coupling 262, second pneumatic valve 22, retaining valve 28, circulation has been derived from media outlet 30, circulate after several seconds, medium in sampling steel cylinder 26 is representative, now operate manual tee ball valve 24, it is made to be communicated with metal pipe line 300, sampling steel cylinder 26 pipeline is in closed condition, because sampling steel cylinder 26 is filled with medium in the circulating cycle, now open the first steel cylinder rapid-acting coupling 261 and the second steel cylinder rapid-acting coupling 262, take sampling steel cylinder 26 away, namely sampling is completed.
In sum, during sampling, only need manual operation hand valve 10 and manual three-way ball valve 24, other pneumatic valves, then under the control of gas circuit, are in the respective state of requirement respectively, avoid artificial unfavorable factor, make complexity, loaded down with trivial details sampling technique more easy.
After having sampled, operation hand valve 10, makes it be in purging state.Now, the first pneumatic valve 21, the 3rd pneumatic valve 43 and the 4th pneumatic valve 44 are automatically closed under the effect of the second gas circuit pipeline 200, and realize medium and close and no longer enter sampling system, chilled water is closed, conserve energy.Simultaneously, 6th pneumatic valve 66, the 5th pneumatic valve 55 and the second pneumatic valve 22 are opened, nitrogen enters refrigeratory 23 from nitrogen inlet 60, through manual tee ball valve 24, metal pipe line 300, second pneumatic valve 22, retaining valve 28, go out from media outlet 30, complete the purging work to system residual medium.After 5th pneumatic valve 55 is opened, chilled water automatic evacuation remaining in refrigeratory 23.
To sum up telling, during purging, only needed manual operation hand valve 10, can complete purging work, other pneumatic valves, then under the control of gas circuit, are in the respective state of requirement respectively, avoid artificial unfavorable factor.
At the end of, operation hand valve 10, make it be in halted state, the 6th pneumatic valve 66 and the 5th pneumatic valve 55 are automatically closed under the effect of the first gas circuit pipeline 100, complete whole operation element.
Above-mentioned online pneumatic sampling system, comprise cooling, sampling and purge three processes, adopt pneumatics, only need manual operation hand valve 10 and manual three-way ball valve 24, other operated pneumatic valves automatically realize switch or closed under the effect of the first gas circuit pipeline 100 and the second gas circuit pipeline 200, ensure that security and the correctness of operation, simplify operating process and method of operating, avoid artificial unfavorable factor, make complexity, loaded down with trivial details sampling technique more easy.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1. an online pneumatic sampling system, it is characterized in that, comprise source of the gas part and sampling section, described source of the gas part comprises the hand valve, source of the gas three linked piece and the source of the gas that are connected successively, and described sampling section comprises medium inlet connected successively, the first pneumatic valve, refrigeratory, manual three-way ball valve, sampling steel cylinder, the second pneumatic valve, retaining valve and media outlet; Described first pneumatic valve is connected with described hand valve with the second gas circuit pipeline respectively by the first gas circuit pipeline, and described second pneumatic valve is connected with described hand valve with the second gas circuit pipeline respectively by the first gas circuit pipeline.
2. online pneumatic sampling system according to claim 1, is characterized in that, described sampling section also comprises liquid coolant entrance, cooling liquid outlet, the 3rd pneumatic valve and the 4th pneumatic valve; Described liquid coolant entrance is connected with described refrigeratory by the 3rd pneumatic valve, and described cooling liquid outlet is connected with described refrigeratory by the 4th pneumatic valve; Described 3rd pneumatic valve is connected with described hand valve with the second gas circuit pipeline respectively by described first gas circuit pipeline, and described 4th pneumatic valve is connected with described hand valve with the second gas circuit pipeline respectively by described first gas circuit pipeline.
3. online pneumatic sampling system according to claim 2, it is characterized in that, described sampling section also comprises the 5th pneumatic valve, and described 5th pneumatic valve is connected with described refrigeratory, and described 5th pneumatic valve is connected with described hand valve with the second gas circuit pipeline respectively by described first gas circuit pipeline.
4. online pneumatic sampling system according to claim 1, it is characterized in that, described sampling section also comprises nitrogen inlet and the 6th pneumatic valve, described nitrogen inlet is connected with described refrigeratory by described 6th pneumatic valve, and described 6th pneumatic valve is connected with described hand valve with the second gas circuit pipeline respectively by described first gas circuit pipeline.
5. online pneumatic sampling system according to claim 1, it is characterized in that, described sampling section also comprises metal pipe line, steel cylinder flexible pipe, the first steel cylinder rapid-acting coupling and the second steel cylinder rapid-acting coupling, described manual three-way ball valve is connected with described second pneumatic valve by metal pipe line, and described manual three-way ball valve is connected with described second pneumatic valve with the second steel cylinder rapid-acting coupling by steel cylinder flexible pipe, the first steel cylinder rapid-acting coupling, sampling steel cylinder successively.
6. online pneumatic sampling system according to claim 1, it is characterized in that, described sampling section also comprises hand valve for subsequent use, and described hand valve for subsequent use is connected with manual three-way ball valve with described refrigeratory respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520686783.3U CN204964241U (en) | 2015-09-08 | 2015-09-08 | Online pneumatic sampling system |
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| CN201520686783.3U CN204964241U (en) | 2015-09-08 | 2015-09-08 | Online pneumatic sampling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357915A (en) * | 2018-12-26 | 2019-02-19 | 岳阳恒忠机械工程技术有限公司 | Gas-liquid mixed media on-line period system |
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2015
- 2015-09-08 CN CN201520686783.3U patent/CN204964241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357915A (en) * | 2018-12-26 | 2019-02-19 | 岳阳恒忠机械工程技术有限公司 | Gas-liquid mixed media on-line period system |
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