CN102840891A - Net fume flow automatic blowing device and method - Google Patents
Net fume flow automatic blowing device and method Download PDFInfo
- Publication number
- CN102840891A CN102840891A CN2012103765947A CN201210376594A CN102840891A CN 102840891 A CN102840891 A CN 102840891A CN 2012103765947 A CN2012103765947 A CN 2012103765947A CN 201210376594 A CN201210376594 A CN 201210376594A CN 102840891 A CN102840891 A CN 102840891A
- Authority
- CN
- China
- Prior art keywords
- solenoid valve
- transmitter
- sampling probe
- compressed air
- bit triplet
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a net fume flow automatic blowing device. The net fume flow automatic blowing device comprises a compressed air admission pipeline, wherein an electromagnetic valve C os arranged on the compressed air admission pipeline; the compressed air admission pipeline is connected with at least one group of air discharge pipelines; a corresponding electromagnetic valve is arranged at the connection of each group of air discharge pipeline and the compressed air admission pipeline, two air outlets of the electromagnetic valve are respectively connected with a sampling probe and a transmitter, and the electromagnetic valves and the electromagnetic valve C are both connected with a alternating current contactor, which is connected with a PLC (programmable logic controller) timing controller; and the alternating current contactor controls the electromagnetic valves, so that compressed air enters and blows the sampling probe and the transmitter. The invention also discloses an automatic blowing method. With the adoption of the scheme of the invention, a large amount of manpower and material resources are saved; the accuracy of measurement is improved; the continuity of data monitoring is guaranteed; and through an automatic water draining filter, a compressed air source is further purified, thus the reliability of the equipment is improved, and the service lives of the electromagnetic valves are prolonged.
Description
Technical field
The present invention relates to a kind of automatic blowout device and method, relate in particular to a kind of clean flue gas flow automatic blowout device and method.
Background technology
What clean flue gas flow measurement mechanism adopted is that pitot tube adds the differential pressure transmitter metering system, and the sample position is positioned at through sea water desulfuration to advance afterwards on the preceding horizontal flue of chimney, and water cut is bigger in the sampling flue gas behind sea water desulfuration; Moisture is heavier, often causes and measures the obstructed or obstruction of sampling probe, in order not influence the accuracy of measurement; Need weekly sampling probe and transmitter to be dismantled purging, because the sampling spot position is higher, each dismounting, purging, multiple dress need nearly two hours; Not only need a large amount of manpower and materials; And purge the uncontinuity that has caused measurement, be unfavorable for environment monitoring, and prior art can not address these problems.
Summary of the invention
The object of the invention is exactly in order to address the above problem, and a kind of clean flue gas flow automatic blowout device and method are provided, and it has saves a large amount of manpower and materials, improved the accuracy of measuring and guarantee the successional advantage of Data Detection.
To achieve these goals, the present invention adopts following technical scheme:
A kind of clean flue gas flow automatic blowout device; It comprises the compressed air inlet pipe road, on the compressed air inlet pipe road, is provided with solenoid valve C, and the compressed air inlet pipe road is connected with at least one group of outlet pipe; Be provided with corresponding solenoid valve at every group of outlet pipe and junction, compressed air inlet pipe road; Two gas outlets of solenoid valve are connected with transmitter with sampling probe respectively, and solenoid valve all is connected with A.C. contactor with solenoid valve C, and A.C. contactor is connected with the PLC timing controller; On the compressed air inlet pipe road, also be provided with automatic drain filter, said solenoid valve is the two-bit triplet solenoid valve.
Said compressed air inlet pipe road is connected with two groups of outlet pipes, is respectively equipped with solenoid valve A and solenoid valve B at each group outlet pipe and junction, compressed air inlet pipe road.
Said solenoid valve A, solenoid valve C and solenoid valve B are the two-bit triplet solenoid valve; The gas outlet a mouth of said solenoid valve A is connected with sampling probe I; The gas outlet b mouth of solenoid valve is connected with transmitter I; The gas outlet b mouth of solenoid valve B is connected with sampling probe II, and the gas outlet c mouth of solenoid valve B is connected with transmitter II.
Based on the automatic blowing method of a kind of clean flue gas flow of clean flue gas flow automatic blowout device, concrete steps are:
Step 1: the passage of transmitter I and sampling probe I is opened, and carries out normal surveying work;
Step 2: utilize the pre-set time of PLC timing controller;
Step 3: to the predefined time, the PLC timing controller sends a secondary closure signal, and the duration is one minute, delivers to ac contactor circuit and makes the A.C. contactor adhesive;
Step 4: A.C. contactor sends solenoid valve C and the solenoid valve on the outlet pipe on the signal controlling compressed air inlet pipe road, and sampling probe and transmitter are cleaned;
Step 5: blow device work recovers normal surveying work after one minute.
Based on a kind of automatic blowing method of a kind of flue gas flow of flue gas flow automatic blowout device, concrete steps are:
Step 1: the passage of transmitter I, transmitter II and sampling probe I, sampling probe II is opened, and carries out normal surveying work;
Step 2: utilize the pre-set time of PLC timing controller;
Step 3: to the predefined time, the PLC timing controller sends a secondary closure signal, and the duration is one minute, delivers to ac contactor circuit and makes the A.C. contactor adhesive;
Step 4: solenoid valve C, the solenoid valve A on the outlet pipe and solenoid valve B that A.C. contactor sends on the signal controlling compressed air inlet pipe road purge transmitter I, transmitter II and sampling probe I, sampling probe II;
Step 5: blow device work recovers normal surveying work after one minute.
The concrete steps of said step 4 are:
(1) A.C. contactor sends 3 road signals to two-bit triplet solenoid valve A, two-bit triplet solenoid valve B, two-bit triplet solenoid valve C;
(2) two-bit triplet solenoid valve A, two-bit triplet solenoid valve B, two-bit triplet solenoid valve C receive signal and work simultaneously, and two-bit triplet solenoid valve A, two-bit triplet solenoid valve B, two-bit triplet solenoid valve C open respective channel separately respectively;
(3) pressurized air gets into sampling probe I, sampling probe II and transmitter I, transmitter II, begins sampling probe I, sampling probe II and transmitter I, transmitter II are purged.
Beneficial effect of the present invention:
1. great amount of manpower and material resources have been saved in use of the present invention;
2. improve the accuracy of measuring, guaranteed the continuity of data monitoring;
3. on compressed air line, install automatic drain filter additional, compressed air gas source has been carried out further purification, improved the reliability of equipment, prolonged the serviceable life of solenoid valve.
Description of drawings
Fig. 1 is the solenoid valve synoptic diagram;
Fig. 2 is for go out the sweeping device synoptic diagram automatically.
Wherein, 1. A.C. contactor, 2. two-bit triplet solenoid valve A, 3. two-bit triplet solenoid valve B; 4. two-bit triplet solenoid valve C, 5.PLC timing controller, 6. A.C. contactor normally opened contact; 7. compressed air line, 8. sampling probe I, 9. transmitter I; 10. transmitter II, 11. sampling probe II, 12. automatic drain filters.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
A kind of automatic blowout device schematic diagram as shown in Figure 1, PLC timing controller 5 is connected with A.C. contactor 1, and PLC timing controller 5 is connected with live wire, and A.C. contactor 1 is connected with zero line; Two-bit triplet solenoid valve A2, two-bit triplet solenoid valve B3, two-bit triplet solenoid valve C4 are connected with live wire through each self-corresponding A.C. contactor normally opened contact 6 respectively, and two-bit triplet solenoid valve A2, two-bit triplet solenoid valve B3, two-bit triplet solenoid valve C4 also all are connected with zero line.
The solenoid valve synoptic diagram of automatic blowout device as shown in Figure 2, a mouth of two-bit triplet solenoid valve A2 is connected with sampling probe I8, and the c mouth of two-bit triplet solenoid valve A2 is connected with transmitter I9; The b mouth of two-bit triplet solenoid valve A2 is connected with a mouth of two-bit triplet solenoid valve B3 and the b mouth of two-bit triplet solenoid valve C4 respectively; The c mouth of two-bit triplet solenoid valve B3 is connected with transmitter II10, and the b mouth of two-bit triplet solenoid valve B is connected with sampling probe II11, and a mouth of two-bit triplet solenoid valve C4 is connected with compressed air line 7; The c mouth of two-bit triplet solenoid valve C4 blocks at ordinary times; Source of the gas when can be used as manual the purging is provided with automatic drain filter on compressed air line, compressed air gas source has been carried out further purification; Improve the reliability of equipment, prolonged the serviceable life of solenoid valve.
Automatic blowout device is not when purging, and a, the b of two-bit triplet solenoid valve A2, two-bit triplet solenoid valve B3, two-bit triplet solenoid valve C4 closes, a, c open, and promptly transmitter and sampling probe passage are opened; Carry out normal surveying work; Utilize PLC timing controller 5 pre-set time points, purge automatically such as can set 8 points, and at 16 at 24 the time, to the pre-set time; PLC timing controller 5 sends a secondary closure signal; Duration is one minute, and closure signal is delivered to ac contactor circuit and made A.C. contactor 1 adhesive, and A.C. contactor 1 sends 3 road signals to two-bit triplet solenoid valve A2, two-bit triplet solenoid valve B3, two-bit triplet solenoid valve C4 simultaneously; They are moved simultaneously; Two-bit triplet solenoid valve A2, two-bit triplet solenoid valve B3, a of two-bit triplet solenoid valve C4, b passage are opened, a, c pathway closure, and pressurized air gets into sampling probe I8, sampling probe II11 and transmitter I9, transmitter II10 through two-bit triplet solenoid valve C4, two-bit triplet solenoid valve A2, two-bit triplet solenoid valve B3 respectively through compressed air line; Begin to purge, recover normal surveying work after one minute.
Though the above-mentioned accompanying drawing specific embodiments of the invention that combines is described; But be not restriction to protection domain of the present invention; One of ordinary skill in the art should be understood that; On the basis of technical scheme of the present invention, those skilled in the art need not pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (7)
1. a clean flue gas flow automatic blowout device is characterized in that it comprises the compressed air inlet pipe road; On the compressed air inlet pipe road, be provided with solenoid valve C; The compressed air inlet pipe road is connected with at least one group of outlet pipe, is provided with corresponding solenoid valve at every group of outlet pipe and junction, compressed air inlet pipe road, and two gas outlets of solenoid valve are connected with transmitter with sampling probe respectively; Solenoid valve all is connected with A.C. contactor with solenoid valve C, and A.C. contactor is connected with the PLC timing controller.
2. a kind of according to claim 1 clean flue gas flow automatic blowout device is characterized in that, said compressed air inlet pipe road is connected with two groups of outlet pipes, on each group outlet pipe, is respectively equipped with solenoid valve A and solenoid valve B.
3. like the said a kind of clean flue gas flow automatic blowout device of claim 2; It is characterized in that; Said solenoid valve A, solenoid valve C and solenoid valve B are the two-bit triplet solenoid valve, and the gas outlet a mouth of said solenoid valve A is connected with sampling probe I, and the gas outlet b mouth of solenoid valve is connected with transmitter I; The gas outlet b mouth of solenoid valve B is connected with sampling probe II, and the gas outlet c mouth of solenoid valve B is connected with transmitter II.
4. a kind of clean flue gas flow automatic blowout device as claimed in claim 1 is characterized in that said solenoid valve is the two-bit triplet solenoid valve, also is provided with automatic drain filter on the compressed air inlet pipe road.
5. based on the automatic blowing method of a kind of clean flue gas flow of the said clean flue gas flow automatic blowout device of claim 1, concrete steps are:
Step 1: the passage of transmitter and sampling probe is opened, and carries out normal surveying work;
Step 2: utilize the pre-set time of PLC timing controller;
Step 3: to the predefined time, the PLC timing controller sends a secondary closure signal, and the duration is one minute, delivers to ac contactor circuit and makes the A.C. contactor adhesive;
Step 4: A.C. contactor sends solenoid valve C and the solenoid valve on the outlet pipe on the signal controlling compressed air inlet pipe road, and sampling probe and transmitter are cleaned;
Step 5: blow device work recovers normal surveying work after one minute.
6. based on the automatic blowing method of a kind of flue gas flow of the described a kind of flue gas flow automatic blowout device of claim 2, it is characterized in that concrete steps are:
Step 1: the passage of transmitter I, transmitter II and sampling probe I, sampling probe II is opened, and carries out normal surveying work;
Step 2: utilize the pre-set time of PLC timing controller;
Step 3: to the predefined time, the PLC timing controller sends a secondary closure signal, and the duration is one minute, delivers to ac contactor circuit and makes the A.C. contactor adhesive;
Step 4: solenoid valve C, the solenoid valve A on the outlet pipe and solenoid valve B that A.C. contactor sends on the signal controlling compressed air inlet pipe road purge transmitter I, transmitter II and sampling probe I, sampling probe II;
Step 5: blow device work recovers normal surveying work after one minute.
7. the automatic blowing method of a kind of clean flue gas flow as claimed in claim 6 is characterized in that the concrete steps of said step 4 are:
(1) A.C. contactor sends 3 road signals to two-bit triplet solenoid valve A, two-bit triplet solenoid valve B, two-bit triplet solenoid valve C;
(2) two-bit triplet solenoid valve A, two-bit triplet solenoid valve B, two-bit triplet solenoid valve C receive signal and work simultaneously, and two-bit triplet solenoid valve A, two-bit triplet solenoid valve B, two-bit triplet solenoid valve C open respective channel separately respectively;
(3) pressurized air gets into sampling probe I, sampling probe II and transmitter I, transmitter II, begins sampling probe I, sampling probe II and transmitter I, transmitter II are purged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103765947A CN102840891A (en) | 2012-09-29 | 2012-09-29 | Net fume flow automatic blowing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103765947A CN102840891A (en) | 2012-09-29 | 2012-09-29 | Net fume flow automatic blowing device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102840891A true CN102840891A (en) | 2012-12-26 |
Family
ID=47368462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103765947A Pending CN102840891A (en) | 2012-09-29 | 2012-09-29 | Net fume flow automatic blowing device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102840891A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052787A (en) * | 2016-06-27 | 2016-10-26 | 武汉新烽光电股份有限公司 | Doppler flowmeter capable of rapidly cleaning and scrubbing surface of probe |
| CN106197608A (en) * | 2016-08-29 | 2016-12-07 | 瓮福（集团）有限责任公司 | A kind of blow device for contactless level meter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19954217A1 (en) * | 1999-11-11 | 2001-06-21 | Judo Wasseraufbereitung | Water meter with pre-filter; has reverse flow device, where water flows through filter, then through water meter, and back through water filters, before being passed to drain channel |
| CN200982877Y (en) * | 2006-12-08 | 2007-11-28 | 鞍钢股份有限公司 | An explosive reverse blow device |
| CN201561772U (en) * | 2009-12-11 | 2010-08-25 | 冯磊 | Self-cleaning type gas flow device |
| CN202041249U (en) * | 2011-03-02 | 2011-11-16 | 蔡玮凤 | Intelligent full-automatic reverse-blowing anti-blocking detection device |
| CN202304904U (en) * | 2011-11-01 | 2012-07-04 | 北京雪迪龙科技股份有限公司 | Pitot tube flowmeter blowing device and Pitot tube flowmeter adopting same |
| CN202885892U (en) * | 2012-09-29 | 2013-04-17 | 大唐黄岛发电有限责任公司 | Automatic purging device for clean flue gas flow measurement |
-
2012
- 2012-09-29 CN CN2012103765947A patent/CN102840891A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19954217A1 (en) * | 1999-11-11 | 2001-06-21 | Judo Wasseraufbereitung | Water meter with pre-filter; has reverse flow device, where water flows through filter, then through water meter, and back through water filters, before being passed to drain channel |
| CN200982877Y (en) * | 2006-12-08 | 2007-11-28 | 鞍钢股份有限公司 | An explosive reverse blow device |
| CN201561772U (en) * | 2009-12-11 | 2010-08-25 | 冯磊 | Self-cleaning type gas flow device |
| CN202041249U (en) * | 2011-03-02 | 2011-11-16 | 蔡玮凤 | Intelligent full-automatic reverse-blowing anti-blocking detection device |
| CN202304904U (en) * | 2011-11-01 | 2012-07-04 | 北京雪迪龙科技股份有限公司 | Pitot tube flowmeter blowing device and Pitot tube flowmeter adopting same |
| CN202885892U (en) * | 2012-09-29 | 2013-04-17 | 大唐黄岛发电有限责任公司 | Automatic purging device for clean flue gas flow measurement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052787A (en) * | 2016-06-27 | 2016-10-26 | 武汉新烽光电股份有限公司 | Doppler flowmeter capable of rapidly cleaning and scrubbing surface of probe |
| CN106197608A (en) * | 2016-08-29 | 2016-12-07 | 瓮福（集团）有限责任公司 | A kind of blow device for contactless level meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105300459B (en) | Automatically cleaning flow detector | |
| CN103091095B (en) | Pneumatic proportional pressure valve test unit | |
| CN201207023Y (en) | On-line measurement system for boiler discharging flue gas field | |
| CN204286527U (en) | Prevent the Simple counter blowing apparatus of the dirty blocking of differential pressure flowmeter pressure tappings ash | |
| CN111624145A (en) | Dust concentration on-line monitoring system based on dust concentration meter | |
| CN102840891A (en) | Net fume flow automatic blowing device and method | |
| CN104390818A (en) | Smoke constant speed constant current sampling device and method | |
| CN201955252U (en) | Sampling system for liquid in pipeline | |
| CN202885892U (en) | Automatic purging device for clean flue gas flow measurement | |
| CN109550750A (en) | A kind of method for cleaning of lime waterpipe | |
| CN204188561U (en) | A kind of novel pH electrode on-line auto-cleaning device | |
| CN103615289A (en) | Mine gas bundle pipeline monitoring system | |
| CN203037454U (en) | Pneumatic proportional pressure valve test device | |
| CN206009358U (en) | A kind of desulfurizer mist eliminator differential pressure sampling line automatic flushing device | |
| CN101799377B (en) | Sampling test point scavenging pipeline for on-site gas analyzer | |
| WO2022237556A1 (en) | Micro-charge induction apparatus and dust removal system | |
| CN204083810U (en) | Uninterrupted air feeder | |
| CN207703554U (en) | A kind of system for desulfuration and denitration list measuring point binary channels switching device | |
| CN204347007U (en) | A kind of gas controlling device | |
| CN102914453A (en) | Flue gas sampling mixing method, flue gas sampling mixing device and on-line flue gas monitoring system | |
| CN207263366U (en) | A kind of automatic blowout device of flue gas pressures detection | |
| CN205506454U (en) | Flue flying dust sampling device | |
| CN212275519U (en) | Dust concentration on-line monitoring system based on dust concentration meter | |
| CN103590856A (en) | Monitoring method of mine gas beam tube line monitoring system | |
| CN204594618U (en) | A kind of mist separator of desulfurization differential pressure sampling pipe automatic back blow device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121226 |