CN104977191A - Flue gas quick sampling and automatic switching group valve device - Google Patents
Flue gas quick sampling and automatic switching group valve device Download PDFInfo
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- CN104977191A CN104977191A CN201510317164.1A CN201510317164A CN104977191A CN 104977191 A CN104977191 A CN 104977191A CN 201510317164 A CN201510317164 A CN 201510317164A CN 104977191 A CN104977191 A CN 104977191A
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- flue gas
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Abstract
The invention relates to a flue gas quick sampling and automatic switching group valve device. The device comprises a housing, and sixteenth-path sampling tube interfaces, a power cable, a control cable, main pump and auxiliary pump flow control buttons, a main pump and auxiliary pump outlet nozzle, which are mounted on the housing. The inside of the housing is provided with sixteen paths of intake pipes and intake solenoid valves on the intake pipes; each intake pipe is divided into two paths by a pipeline tee joint, one path is connected with a main pump intake through a main pump solenoid valve, and the main pump outlet is connected to a main pump outlet nozzle through a pipeline; the other path is connected to an auxiliary pump intake through the auxiliary pump solenoid valve, and the auxiliary pump outlet is connected with an auxiliary pump outlet nozzle through the pipeline; and all solenoid valves and switch status of the main pump and auxiliary pump are controlled by the control cables. The device can be connected to 16 sampling tubes, saves waiting time, greatly simplifies operation process, and reduces the input of testing personnel.
Description
Technical field
The invention belongs to engineering measuring technology field, particularly a kind of flue gas fast sampling automatic transfer valve group device.
Background technology
The sample analysis of fired power generating unit exhaust gas components is one of important test event monitoring boiler operation performance, but, for making the flue gas that obtains more representative, specify according to standard, need for flue size, assigned position in flue is carried out to the smoke sampling analysis of multiple spot, this just makes will insert 3 ~ 4 stopple coupons in the same gaging hole on flue and sample multiple gaging hole.When testing in the past, need to arrange dedicated experiments personnel to change the silicone tube being connected to flue gas analyzer on next root stopple coupon after single stopple coupon completes, some smoke sampling is carried out under in flue, but the silicone tube being usually connected to flue gas analyzer is longer, change and to need again after stopple coupon considerable time that flue gas analyzer just can be made to be drawn into more lower flue gas in flue, this will consume the plenty of time and complete this test, also increase the input of tester simultaneously.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, and propose a kind of flue gas fast sampling automatic transfer valve group device.
The present invention solves its technical matters and takes following technical scheme to realize:
A kind of flue gas fast sampling automatic transfer valve group device, comprise device case, 16 road stopple coupon interfaces are installed at the top of device case, the right side wall of housing leads to power lead and control cables line, the front side wall of housing is provided with main pump flow regulation button and auxiliary pump discharge regulating key, the left side wall of housing is installed main pump outlet nozzle and auxiliaryly pumps valve, in the inside of device case, 16 tunnel draft tube are connected with 16 road stopple coupon interfaces on housing respectively, each road draft tube is connected in series air inlet electromagnetic valve 1A respectively to air inlet electromagnetic valve 16A, control the ON/OFF of each road draft tube, each road draft tube is by being connected with branch pipe tee connection after respective air inlet electromagnetic valve, the left side of 16 road branch pipe tee connections exports and connects ten No. six main pump solenoid valve 1B to main pump solenoid valve 16B laggard line pipe roads merging respectively by pipeline, pipeline after merging is connected with main pump air intake opening, main pump gas outlet is connected with the main pump outlet nozzle on housing by pipeline, by pipeline, sampling flue gas is flowed to flue gas analyzer by main pump outlet nozzle, the right side of 16 road branch pipe tee connections exports and connects 16 tunnel auxiliary pump solenoid valve 1C to auxiliary pump solenoid valve 16C laggard line pipe road merging respectively by pipeline, pipeline after merging is connected with auxiliary pump steam inlet, the auxiliary gas port that pumps is connected with the auxiliary valve that pumps on housing by pipeline, flue gas enters in air by the auxiliary valve that pumps, all solenoid valves, main pump and auxiliary pump are powered by the power lead that housing right side wall is drawn, all solenoid valves, the on off state of main pump and auxiliary pump is by the control cables line traffic control that housing right side wall is drawn, the flow of main pump and auxiliary pump is controlled by the main pump flow regulation button on housing front side wall and auxiliary pump discharge regulating key.
And described control cables line was connected with a signal converter before passing device case, after analog electrical signal is converted to digital signal by signal converter, carry out control signal transmission by the communications cable and external unit.
And described signal converter is a converter comprising A/D and D/A conversion.
Advantage of the present invention and good effect are:
The present invention is a kind of flue gas fast sampling automatic transfer valve group device of development, this device can connect at most 16 stopple coupons, and realize changing manually or automatically to next root stopple coupon by being connected with external control devices, simultaneously, the arrangement achieves when upper stopple coupon sampling does not complete, just the fume extraction work to next root stopple coupon has been started, directly flue gas analysis can be carried out once having sampled with stopple coupon and changed to next root stopple coupon when upper, save the stand-by period again extracting flue gas in a large number, operated from a distance is simple, decrease the input of testing crew.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is inner connecting structure schematic diagram of the present invention.
Embodiment
Be further described the invention process below in conjunction with accompanying drawing, following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of flue gas fast sampling automatic transfer valve group device, as shown in Figure 1, comprise device case 8, 16 road stopple coupon interfaces 1 are installed at the top of device case, the right side wall of housing leads to power lead 2 and control cables line 3, the front side wall of housing is provided with main pump flow regulation button 4 and auxiliary pump discharge regulating key 5, the left side wall of housing is installed main pump outlet nozzle 6 and auxiliaryly pumps valve 7, in the inside of device case, as shown in Figure 2, 16 tunnel draft tube are connected with 16 road stopple coupon interfaces on housing respectively, each road draft tube is connected in series air inlet electromagnetic valve 1A to 16A respectively, control the ON/OFF of each road draft tube, each road draft tube is by being connected with branch pipe tee connection after respective air inlet electromagnetic valve, the left side of 16 road branch pipe tee connections exports and connects ten No. six main pump solenoid valve 1B to 16B laggard line pipe roads merging respectively by pipeline, pipeline after merging is connected with main pump air intake opening, main pump gas outlet is connected with the main pump outlet nozzle on housing by pipeline, by pipeline, sampling flue gas is flowed to flue gas analyzer by main pump outlet nozzle, the right side of 16 road branch pipe tee connections exports and connects 16 tunnel auxiliary pump solenoid valve 1C to 16C laggard line pipe roads merging respectively by pipeline, pipeline after merging is connected with auxiliary pump steam inlet, the auxiliary gas port that pumps is connected with the auxiliary valve that pumps on housing by pipeline, flue gas enters in air by the auxiliary valve that pumps, all solenoid valves, main pump and auxiliary pump are powered by the power lead that housing right side wall is drawn, all solenoid valves, the on off state of main pump and auxiliary pump is by the control cables line traffic control that housing right side wall is drawn, the flow of main pump and auxiliary pump is controlled by the main pump flow regulation button on housing front side wall and auxiliary pump discharge regulating key.
In specific embodiment of the invention, described control cables line was connected with a signal converter before passing device case, carried out control signal transmission after analog electrical signal is converted to digital signal by signal converter by the communications cable and external unit.
In specific embodiment of the invention, described signal converter is a converter comprising A/D and D/A conversion.
Claims (3)
1. a flue gas fast sampling automatic transfer valve group device, it is characterized in that: comprise device case, 16 road stopple coupon interfaces are installed at the top of device case, the right side wall of housing leads to power lead and control cables line, the front side wall of housing is provided with main pump flow regulation button and auxiliary pump discharge regulating key, the left side wall of housing is installed main pump outlet nozzle and auxiliaryly pumps valve, in the inside of device case, 16 tunnel draft tube are connected with 16 road stopple coupon interfaces on housing respectively, each road draft tube is connected in series air inlet electromagnetic valve 1A respectively to air inlet electromagnetic valve 16A, control the ON/OFF of each road draft tube, each road draft tube is by being connected with branch pipe tee connection after respective air inlet electromagnetic valve, the left side of 16 road branch pipe tee connections exports and connects ten No. six main pump solenoid valve 1B to main pump solenoid valve 16B laggard line pipe roads merging respectively by pipeline, pipeline after merging is connected with main pump air intake opening, main pump gas outlet is connected with the main pump outlet nozzle on housing by pipeline, by pipeline, sampling flue gas is flowed to flue gas analyzer by main pump outlet nozzle, the right side of 16 road branch pipe tee connections exports and connects 16 tunnel auxiliary pump solenoid valve 1C to auxiliary pump solenoid valve 16C laggard line pipe road merging respectively by pipeline, pipeline after merging is connected with auxiliary pump steam inlet, the auxiliary gas port that pumps is connected with the auxiliary valve that pumps on housing by pipeline, flue gas enters in air by the auxiliary valve that pumps, all solenoid valves, main pump and auxiliary pump are powered by the power lead that housing right side wall is drawn, all solenoid valves, the on off state of main pump and auxiliary pump is by the control cables line traffic control that housing right side wall is drawn, the flow of main pump and auxiliary pump is controlled by the main pump flow regulation button on housing front side wall and auxiliary pump discharge regulating key.
2. flue gas fast sampling automatic transfer valve group device according to claim 1, it is characterized in that: described control cables line was connected with a signal converter before passing device case, after analog electrical signal is converted to digital signal by signal converter, carry out control signal transmission by the communications cable and external unit.
3. flue gas fast sampling automatic transfer valve group device according to claim 2, is characterized in that: described signal converter is a converter comprising A/D and D/A conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317164.1A CN104977191A (en) | 2015-06-11 | 2015-06-11 | Flue gas quick sampling and automatic switching group valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317164.1A CN104977191A (en) | 2015-06-11 | 2015-06-11 | Flue gas quick sampling and automatic switching group valve device |
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| Publication Number | Publication Date |
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| CN104977191A true CN104977191A (en) | 2015-10-14 |
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| CN201510317164.1A Pending CN104977191A (en) | 2015-06-11 | 2015-06-11 | Flue gas quick sampling and automatic switching group valve device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198857A (en) * | 2016-06-22 | 2016-12-07 | 广东电网有限责任公司电力科学研究院 | A kind of flue gas measuring method, Apparatus and system |
| CN107762574A (en) * | 2017-12-06 | 2018-03-06 | 中国船舶重工集团公司第七0三研究所 | A kind of measurement structure of double shell cylinder inner casing steam pressure |
| CN113063488A (en) * | 2021-03-22 | 2021-07-02 | 南京君之晔科技有限公司 | Ultrafast automatic sampling switching system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198857A (en) * | 2016-06-22 | 2016-12-07 | 广东电网有限责任公司电力科学研究院 | A kind of flue gas measuring method, Apparatus and system |
| CN107762574A (en) * | 2017-12-06 | 2018-03-06 | 中国船舶重工集团公司第七0三研究所 | A kind of measurement structure of double shell cylinder inner casing steam pressure |
| CN107762574B (en) * | 2017-12-06 | 2024-04-09 | 中国船舶重工集团公司第七0三研究所 | Measurement structure of cylinder steam pressure in double-layer cylinder |
| CN113063488A (en) * | 2021-03-22 | 2021-07-02 | 南京君之晔科技有限公司 | Ultrafast automatic sampling switching system |
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Application publication date: 20151014 |