CN205808780U - A kind of blowback system - Google Patents
A kind of blowback system Download PDFInfo
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- CN205808780U CN205808780U CN201620716273.0U CN201620716273U CN205808780U CN 205808780 U CN205808780 U CN 205808780U CN 201620716273 U CN201620716273 U CN 201620716273U CN 205808780 U CN205808780 U CN 205808780U
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- sampling
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- air compressor
- compressor machine
- blowback
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Abstract
The utility model proposes a kind of blowback system.Existing flue gas analysis system, sampling probe and heat tracing pipe easily overstocks dust, needs human at periodic intervals to safeguard sampling probe and heat tracing pipe, waste of manpower, and affects work efficiency.This utility model provides a kind of blowback system, including sampling end, flue gas analyzer, sampling valve and air compressor machine, sampling end is connected by pipeline with flue gas analyzer, and between sampling end and flue gas analyzer, it is provided with the sampling valve for opening and closing above-mentioned pipeline, sampling valve is connected with air compressor machine, it is characterized in that: also include blowback trachea, back-flushing valve and both-end back-flushing valve, described air compressor machine is connected with sampling end, and air compressor machine be connected with sampling end between described back-flushing valve is set, described air compressor machine is connected with blowback trachea, and described both-end back-flushing valve is set between air compressor machine and blowback trachea, described blowback trachea in alignment with sampling end outside.This utility model simple in construction, reasonable in design, easy to operate, maintenance efficiency is high, saves manpower.
Description
Technical field
This utility model relates to a kind of blowback system, for flue gas detecting system.
Background technology
Existing flue gas analysis system includes flue gas sampling instrument, sampling probe and heat tracing pipe, sampling probe, heat tracing pipe and cigarette
Gas sampling instrument passes sequentially through pipeline and connects.This flue gas analysis system in use, sampling probe and heat tracing pipe easily overstocks
Dust, needs human at periodic intervals to safeguard sampling probe and heat tracing pipe, waste of manpower, and affects work efficiency.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency present in prior art, and provides a kind of structure design to close
Reason, maintenance efficiency is high, saves the blowback system of manpower.
The technical scheme in the invention for solving the above technical problem is: this blowback system, divides including sampling end, flue gas
Analyzer, sampling valve and air compressor machine, sampling end is connected by pipeline with flue gas analyzer, and sets between sampling end and flue gas analyzer
Being equipped with the sampling valve for opening and closing above-mentioned pipeline, sampling valve is connected with air compressor machine, it is characterised in that: also include blowback trachea, anti-
Blowing valve and both-end back-flushing valve, described air compressor machine is connected with sampling end, and air compressor machine be connected with sampling end between arrange described anti-
Blowing valve, described air compressor machine is connected with blowback trachea, and arranges described both-end back-flushing valve between air compressor machine and blowback trachea, described
Blowback trachea in alignment with sampling end outside, above-mentioned connection is all connected by pipeline.When normally working, sampling valve is opened, sampling end
Sample, and enter into flue gas analyzer and be analyzed, when sampling probe safeguarded by needs, respectively to the inside of sampling end and
Outside purges, and when purging is internal, sampling valve and both-end back-flushing valve are closed, and back-flushing valve is opened, and the compressed air of air compressor machine is entered
Entering inside sampling end, and purge, thus removed by the dust within sampling end etc., when purging is outside, sampling valve is with anti-
Blowing valve to close, both-end back-flushing valve is opened, and the compressed air of air compressor machine enters into blowback trachea, outside blowback trachea purging sampling end
Portion, thus the dust outside sampling end etc. is removed, above-mentioned inside and outside purging is alternately, until purging loses no time, logical
Crossing this blowback system, maintenance efficiency improves, and saves manpower.
This utility model also includes that evacuated tube and exhaust-valve, described evacuated tube are connected to the pipe between back-flushing valve and sampling end
Lu Shang, described exhaust-valve is arranged in evacuated tube.After purging terminates, back-flushing valve and both-end back-flushing valve are closed, and open exhaust-valve and enter
Row emptying, after certain time, closes exhaust-valve, just can enter normal sample state.
Sampling end described in the utility model includes that sampling probe and the first heat tracing pipe, sampling probe and the first heat tracing pipe are even
Connect.The setting of the first heat tracing pipe can prevent condensation, prevents pipeline blockage.
This utility model also includes that the second heat tracing pipe, described second heat tracing pipe are connected with flue gas analyzer.Flue gas enters cigarette
During edema caused by disorder of QI analyzer, need to first pass through the second heat tracing pipe, the second heat tracing pipe can prevent condensation further, and makes condensed liquid enter
To flue gas analyzer.
This utility model compared with prior art, has the following advantages and effect: simple in construction, reasonable in design, normal work
When making, sampling valve is opened, and sampling end samples, and enters into flue gas analyzer and be analyzed, when sampling probe safeguarded by needs
Time, respectively the inside and outside of sampling end being purged, when purging is internal, sampling valve and both-end back-flushing valve are closed, back-flushing valve
Opening, the compressed air of air compressor machine enters into inside sampling end, and purges, thus is removed by the dust etc. within sampling end
Going, when purging is outside, sampling valve and back-flushing valve are closed, and both-end back-flushing valve is opened, and the compressed air of air compressor machine enters into blowback air
Pipe, the outside of blowback trachea purging sampling end, thus the dust outside sampling end etc. is removed, above-mentioned inside and outside purging
Alternately, until purging loses no time, by this blowback system, maintenance efficiency improves, and saves manpower.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the blowback system in this utility model embodiment.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are right
Explanation of the present utility model and this utility model is not limited to following example.
Embodiment 1.
Seeing Fig. 1, the blowback system of the present embodiment includes sampling end 1, flue gas analyzer 2, sampling valve 3, air compressor machine 4, anti-
Gas blow pipe 5, back-flushing valve 6 and both-end back-flushing valve 7.
Sampling end 1 in the present embodiment is connected by pipeline with flue gas analyzer 2, and sampling end 1 and flue gas analyzer 2 it
Between be provided with the sampling valve 3 for opening and closing above-mentioned pipeline, sampling valve 3 is connected with air compressor machine 4.During sampling, sampling valve 3 is opened, and adopts
Sample end 1 gathers flue gas and sends into flue gas analyzer 2.
Air compressor machine 4 in the present embodiment is connected with sampling end 1, and air compressor machine 4 be connected with sampling end 1 between arrange described
Back-flushing valve 6, air compressor machine 4 is connected with blowback trachea 5, and arranges described both-end back-flushing valve 7 between air compressor machine 4 and blowback trachea 5,
Blowback trachea 5 is outside in alignment with sampling end 1, and above-mentioned connection is all connected by pipeline.
When normally working, sampling valve 3 is opened, and sampling end 1 is sampled, and enters into flue gas analyzer 2 and be analyzed, when
When needing to safeguard sampling probe 11, purging the inside and outside of sampling end 1 respectively, when purging is internal, sampling valve 3 is with double
End back-flushing valve 7 is closed, and back-flushing valve 6 is opened, and it is internal that the compressed air of air compressor machine 4 enters into sampling end 1, and purges, thus
Being removed by dust within sampling end 1 etc., when purging is outside, sampling valve 3 and back-flushing valve 6 are closed, and both-end back-flushing valve 7 is opened, empty
The compressed air of press 4 enters into blowback trachea 5, and blowback trachea 5 purges the outside of sampling end 1, thus by outside sampling end 1
Dust etc. remove, and above-mentioned inside and outside purging alternately, loses no time, by this blowback system, maintenance efficiency until purging
Improve, save manpower.
The present embodiment also includes evacuated tube 8 and exhaust-valve 9, and evacuated tube 8 is connected to the pipe between back-flushing valve 6 and sampling end 1
Lu Shang, exhaust-valve 9 is arranged in evacuated tube 8.After purging terminates, back-flushing valve 6 and both-end back-flushing valve 7 are closed, and open exhaust-valve 9 and enter
Row emptying, after certain time, closes exhaust-valve 9, just can enter normal sample state.
Sampling end 1 in the present embodiment includes sampling probe 11 and the first heat tracing pipe 12, sampling probe 11 and the first heat tracing
Pipe 12 connects.The setting of the first heat tracing pipe 12 can prevent condensation, prevents pipeline blockage.
The present embodiment also includes that the second heat tracing pipe 10, the second heat tracing pipe 10 are connected with flue gas analyzer 2.Flue gas enters flue gas
During analyser 2, need to first pass through the second heat tracing pipe 10, the second heat tracing pipe 10 can prevent condensation further, and makes condensed liquid
Enter into flue gas analyzer 2.
Sampling valve 3 in the present embodiment uses electrical ball valve, back-flushing valve 6, both-end back-flushing valve 7 and exhaust-valve 9 all to use electricity
Pond valve, above-mentioned sampling valve 3, back-flushing valve 6, both-end back-flushing valve 7, exhaust-valve 9 and air compressor machine 4 are all controlled by PLC.
Above content described in this specification is only to this utility model example explanation.This utility model
Described specific embodiment can be made various amendment or supplements or use class by person of ordinary skill in the field
As mode substitute, without departing from the content of this utility model description or surmount model defined in the claims
Enclose, protection domain of the present utility model all should be belonged to.
Claims (4)
1. a blowback system, including sampling end, flue gas analyzer, sampling valve and air compressor machine, sampling end leads to flue gas analyzer
Crossing pipeline to connect, and be provided with the sampling valve for opening and closing above-mentioned pipeline between sampling end and flue gas analyzer, sampling valve is with empty
Press connects, it is characterised in that: also including blowback trachea, back-flushing valve and both-end back-flushing valve, described air compressor machine is connected with sampling end,
And air compressor machine be connected with sampling end between described back-flushing valve is set, described air compressor machine is connected with blowback trachea, and air compressor machine with
Described both-end back-flushing valve is set between blowback trachea, described blowback trachea in alignment with sampling end outside, above-mentioned connection is all passed through
Pipeline connects.
Blowback system the most according to claim 1, it is characterised in that: also include evacuated tube and exhaust-valve, described evacuated tube
Being connected on the pipeline between back-flushing valve and sampling end, described exhaust-valve is arranged in evacuated tube.
Blowback system the most according to claim 1 and 2, it is characterised in that: described sampling end includes sampling probe and first
Heat tracing pipe, sampling probe and the first heat tracing pipe connect.
Blowback system the most according to claim 1 and 2, it is characterised in that: also include the second heat tracing pipe, described second heat tracing
Pipe is connected with flue gas analyzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620716273.0U CN205808780U (en) | 2016-07-05 | 2016-07-05 | A kind of blowback system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620716273.0U CN205808780U (en) | 2016-07-05 | 2016-07-05 | A kind of blowback system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205808780U true CN205808780U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620716273.0U Active CN205808780U (en) | 2016-07-05 | 2016-07-05 | A kind of blowback system |
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| CN (1) | CN205808780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579378A (en) * | 2018-06-07 | 2019-12-17 | 北京航天益来电子科技有限公司 | sustainable sampling probe rod of flue gas |
-
2016
- 2016-07-05 CN CN201620716273.0U patent/CN205808780U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579378A (en) * | 2018-06-07 | 2019-12-17 | 北京航天益来电子科技有限公司 | sustainable sampling probe rod of flue gas |
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| GR01 | Patent grant |