CN105223042A - Fire coal boiler fume sampler - Google Patents
Fire coal boiler fume sampler Download PDFInfo
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- CN105223042A CN105223042A CN201510791075.0A CN201510791075A CN105223042A CN 105223042 A CN105223042 A CN 105223042A CN 201510791075 A CN201510791075 A CN 201510791075A CN 105223042 A CN105223042 A CN 105223042A
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- seal plug
- stopple coupon
- stay cord
- exit
- inlet
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Abstract
The invention discloses fire coal boiler fume sampler, comprise stopple coupon, stopple coupon is connected with sampling base, sampling base is connected with flue outer wall, stopple coupon two ends adopt entrance, export respectively under inlet bend, outlet elbow structure, the outside pipeline of stopple coupon is connected with flue gas analyzer, stay cord is provided with in the inner chamber of stopple coupon, the inner of stay cord is stretched out downwards from the porch of stopple coupon the inner, the outer end of stay cord is stretched out downwards from the exit, outer end of stopple coupon, the inner of stay cord is connected with inlet seal plug, inlet seal plug coordinates with entrance, the outer end of stay cord is connected with exit seal plug, exit seal plug coordinates with outlet.The invention enables well the closing of the stopple coupon entrance be fixed on for a long time in flue, prevent dust from entering, avoid the blockage problem of gas sampling probe, improve the reliability of gas sampling probe use and the efficiency of sampling, ensure the accuracy of test, improve the accuracy and efficiency of smoke sampling work.
Description
Technical field
The present invention relates to boiler smoke discharge checkout equipment technical field, particularly relate to a kind of fire coal boiler fume sampler.
Background technology
The thermal efficiency test, environmental protection test etc. of coal-burning boiler, need to insert gas sampling probe in boiler flue, by suction pump, the flue gas of ad-hoc location be drawn into flue gas analyzer and carry out fume component analysis.In order to test at any time, easily, gas sampling probe of the prior art is often fixed on flue inside for a long time.But in actual test job, because in coal-burning boiler flue, dustiness is larger, simultaneously because boiler combustion also exists pulsation and negative pressure fluctuation problem, under pulsation and negative pressure wave action, part flue dust can enter stopple coupon inside deposition, even harden into lump, cause gas sampling probe Severe blockage, be difficult to dredging, have impact on carrying out of test job.In addition, in the winter time because environment temperature is low, when in flue gas, moisture easily condenses, dust content is comparatively large, test time is longer, in test process, stopple coupon also can block, cause the deviation of test result and the interruption of test job, the accuracy and efficiency that impact detects.
Summary of the invention
Object of the present invention is exactly the problems referred to above existed for solving prior art, provides a kind of fire coal boiler fume sampler; The stopple coupon entrance be fixed on for a long time in flue is the invention enables well to close, prevent dust from entering, avoid the blockage problem of gas sampling probe, improve the reliability of gas sampling probe use and the efficiency of sampling, ensure the accuracy of test, improve the accuracy and efficiency of smoke sampling work.
The technical scheme of technical solution problem of the present invention is:
A kind of fire coal boiler fume sampler, comprise the stopple coupon of circular tube structure, described stopple coupon is tightly connected with the connecting hole of sampling base, sampling base is connected with flue outer wall, flue outer wall is provided with radial direction through hole, described stopple coupon stretches in flue from radial direction through hole, described stopple coupon two ends adopt entrance, export respectively under inlet bend, outlet elbow structure, the outside pipeline of described stopple coupon is connected with flue gas analyzer.Thin stay cord is provided with in the inner chamber of stopple coupon, stay cord can adopt thin stainless steel wire rope, the inner of stay cord is stretched out downwards from the porch of stopple coupon the inner, the outer end of stay cord is stretched out downwards from the exit, outer end of stopple coupon, the inner of stay cord is connected with inlet seal plug, inlet seal plug coordinates with entrance, and the outer end of stay cord is connected with exit seal plug, and exit seal plug coordinates with outlet.
Described inlet seal plug, exit seal plug are the cone that upper end is thin, lower end is thick.
The quality of described exit seal plug is greater than the quality of inlet seal plug; During smoke sampling test, by the gravity of external force and inlet seal plug, exit seal plug is risen, simultaneously inlet seal plug decline to departing from entrance and coordinate, flue gas enters flue gas analyzer from the entrance of stopple coupon through stopple coupon pipeline.
Described exit seal plug is connected with counterweight, and now the quality of exit seal plug is less than the quality of inlet seal plug, and the gross mass of exit seal plug and counterweight is greater than the quality of inlet seal plug.
Described exit seal plug bottom is provided with spring supporting seat, and the outer end of stay cord is connected with spring supporting seat top through rear from the top down from exit seal plug, is provided with Compress Spring between described spring supporting seat top and exit seal plug bottom.
Described stay cord is provided with hairbrush, and the mode that hairbrush can conveniently be untied ties up on whole stay cord.
Described flue gas analyzer is connected with stopple coupon pipeline by three-way interface.
Beneficial effect of the present invention:
1. the invention enables well the closing of the stopple coupon entrance be fixed on for a long time in flue, prevent dust from entering, avoid the blockage problem of gas sampling probe, improve the efficiency of reliability that gas sampling probe uses and sampling, ensure the accuracy of test; Stopple coupon inlet opens of the present invention is downward all the time, contributes to preventing dust from entering in stopple coupon under Gravitative Loads, avoids the generation that stopple coupon blocks further; Present invention achieves when there is line clogging in smoke sampling process, also can dredge easily, improve the accuracy and efficiency of smoke sampling work.
2. the quality of the exit seal plug of the present invention's employing is greater than the quality of inlet seal plug, facilitates inlet seal and use, ensures inlet seal effect simultaneously.During not carrying out smoke sampling test job, stopple coupon is placed in flue for a long time, quality due to exit seal plug is greater than the quality of inlet seal plug, under gravity, exit seal plug declines, inlet seal plug rises, inlet seal plug coordinates with the inlet seal of stopple coupon, by inlet seal, prevents flue dust from entering.
3. described in, exit seal plug is connected with counterweight, now the quality of exit seal plug is less than the quality of inlet seal plug, the gross mass of exit seal plug and counterweight is greater than the quality of inlet seal plug, facilitates the sealing of entrance, ensures inlet seal effect simultaneously.During not carrying out smoke sampling test job, stopple coupon is placed in flue for a long time, gross mass due to exit seal plug and counterweight is greater than the quality of inlet seal plug, under gravity, exit seal plug and counterweight fall, promote entrance seal plug and reach stopple coupon entrance, close stopple coupon entrance, prevent flue dust from entering.
4. exit seal plug bottom is provided with spring supporting seat, spring supporting seat top is provided with Compress Spring, by the effect of the screen resilience of Compress Spring when being compressed, inlet seal plug, exit seal plug can be exported reliable contacts with the stopple coupon entrance matched, stopple coupon respectively, be formed and be sealed and matched reliably, the sealing that two ends all keep good is ensured under the state do not used, avoid dirt and impurity to enter, reduce the impact on measuring accuracy.
5. stay cord is provided with hairbrush, the mode that hairbrush can conveniently be untied is on the rope line, foreign material such as sticking to the soot particulates of stopple coupon inwall are cleaned out in the inner axial relative motion of stopple coupon by hairbrush, or by being connected with high pressure blower, the foreign material cleaned outwards being purged clean in pipeline, when not needing cleaning, hairbrush being got off from solution stay cord, do not hinder during normal work and use, cleaning fast and easy, effective, ensure efficiency and the effect of test.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the anti-blocking design of gas sampling probe of the embodiment of the present invention 1;
Fig. 2 is the schematic diagram of the anti-blocking design of gas sampling probe of the embodiment of the present invention 2;
Fig. 3 is the schematic diagram of the anti-blocking design of gas sampling probe of the embodiment of the present invention 3.
Wherein, 1 stopple coupon, 2 inlet seal plugs, 3 stay cords, 4 exit seal plugs, 5 counterweights, 6 three-way connections, 7 inlet bend, 8 outlet elbows, 9, sampling base, 10 flue outer walls, 11 Compress Springs, 12 spring supporting seats, 13 stay cord two, 14 hairbrush.
Embodiment
In order to understand the present invention better, explain embodiments of the present invention in detail below in conjunction with accompanying drawing.
Embodiment 1
As shown in Figure 1, a kind of fire coal boiler fume sampler, comprise the stopple coupon 1 of circular tube structure, described stopple coupon 1 is tightly connected with the connecting hole of sampling base 9, sampling base 9 is connected with flue outer wall 10, and flue outer wall 10 is provided with radial direction through hole, and described stopple coupon 1 stretches in flue from radial direction through hole, described stopple coupon 1 two ends adopt entrance, export respectively under inlet bend 7, outlet elbow 8 structure, the outside pipeline of described stopple coupon 1 is connected with flue gas analyzer.Thin stay cord 3 is provided with in the inner chamber of stopple coupon 1, stay cord 3 can adopt thin stainless steel wire rope, the inner of stay cord is stretched out downwards from the porch of stopple coupon 1 the inner, the outer end of stay cord is stretched out downwards from the exit, outer end of stopple coupon, the inner of stay cord is connected with inlet seal plug 2, inlet seal plug 2 coordinates with entrance, and the outer end of stay cord is connected with exit seal plug 4, and exit seal plug 4 coordinates with outlet.The situation of Fig. 1 example to be stopple coupon 3 be horizontal positioned, if stopple coupon is vertical or arbitrarily angled placement, only needs the shape by changing stopple coupon entry and exit elbow 7 and 8, ensureing outlet, inlet opens direction vertically downward.
Described inlet seal plug 2, exit seal plug 4 are the cone that upper end is thin, lower end is thick.
The quality of described exit seal plug 4 is greater than the quality of inlet seal plug 2.During not carrying out smoke sampling test job, stopple coupon is placed in flue for a long time, shown in Fig. 1, quality due to exit seal plug 4 is greater than the quality of inlet seal plug 2, under gravity, exit seal plug 4 declines, inlet seal plug 2 rises, and inlet seal plug 2 coordinates with the inlet seal of stopple coupon 1, by inlet seal, prevents flue dust from entering.During carrying out smoke sampling test job, to be risen by exit seal plug 4 to coordinate with the exit seal of stopple coupon 1 inlet seal plug 2 simultaneously to decline to depart from entrance by the gravity of external force and inlet seal plug 2 and coordinate, flue gas enters flue gas analyzer from the entrance of stopple coupon through stopple coupon pipeline and carries out analytical test.Described flue gas analyzer is connected with stopple coupon pipeline by three-way interface.
Described exit seal plug 4 is connected with counterweight 5, and now the quality of exit seal plug 4 is less than the quality of inlet seal plug 2, and exit seal plug 4 is greater than the quality of inlet seal plug 2 with the gross mass of counterweight 5.Counterweight 5 can be located at top or the bottom of exit seal plug 4.
During not carrying out smoke sampling test job, stopple coupon is placed in flue for a long time, because exit seal plug 4 and the gross mass of counterweight 5 are greater than the quality of inlet seal plug 2, under gravity, exit seal plug 4 and counterweight 5 fall, promote entrance seal plug 2 and reach stopple coupon entrance, close stopple coupon entrance, prevent flue dust from entering.During carrying out smoke sampling test job, counterweight 5 is taken off from exit seal plug 4, quality due to exit seal plug 4 is less than the quality of inlet seal plug 2, inlet seal plug 2 falls, the entrance of stopple coupon is opened, exit seal plug 4 rises to stopple coupon simultaneously and goes out interruption-forming and be sealed and matched, will export closely blocking, drawing smoke from entrance, enter flue gas analyzer through stopple coupon pipeline and carry out analytical test.After smoke sampling end-of-job, counterweight 5 be placed on exit seal plug 4, sampling system returns to the state that inlet seal plug 2 coordinates with the inlet seal of stopple coupon 1, inlet seal, prevents flue dust from entering.
Described exit seal plug 4 adopts rubber plug plug, and counterweight 5 is located on rubber plug plug.
Outlet, the entrance elbow 7 of described stopple coupon are connected design with 8, and no matter vertical gas sampling probe 1 is, level or arbitrarily angled placement, ensures entry and exit opening direction vertically downward;
Embodiment 2
As shown in Figure 2, described exit seal plug 4 bottom is provided with spring supporting seat 12, the outer end of stay cord is connected with spring supporting seat 12 top through rear from the top down from exit seal plug 4, is provided with Compress Spring 11 between described spring supporting seat top and exit seal plug 4 bottom.By the effect of the screen resilience of Compress Spring when being compressed, operationally inlet seal plug 2, exit seal plug 4 can be exported reliable contacts with the stopple coupon entrance matched, stopple coupon respectively, being formed and be sealed and matched reliably.Under the state do not used, ensure the sealing that two ends also keep good, avoid dirt and impurity to enter, reduce the impact on measuring accuracy, certainly because outside dust impurity is little, stopple coupon exit position also can blow-by.All the other, with reference to embodiment 1, do not repeat them here.
Embodiment 3
As shown in Figure 3, described stay cord 3 is provided with hairbrush 14, and the mode that hairbrush 14 can conveniently be untied ties up on whole stay cord 3.In the smoke sampling course of work, sometimes because the course of work is longer, the stifled ash of unavoidable generation, when needing cleaning, the exit seal plug 4 of outer end can be untied, connect long another section of stay cord 2 13, then hairbrush 14 on fixing on stay cord, then hand reciprocating traction belt is only needed to have the stay cord 3 of hairbrush, in the inner axial relative motion of stopple coupon 1, foreign material such as sticking to the soot particulates of stopple coupon inwall are cleaned out by hairbrush, or outwards purge totally in pipeline by being connected with high pressure blower, by the foreign material cleaned.When not needing cleaning, hairbrush is got off from solution stay cord, do not hinder during normal work and use.All the other, with reference to embodiment 1, do not repeat them here.
By reference to the accompanying drawings the embodiment of invention is described although above-mentioned; but not limiting the scope of the invention; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (7)
1. a fire coal boiler fume sampler, comprise the stopple coupon of circular tube structure, described stopple coupon is tightly connected with the connecting hole of sampling base, sampling base is connected with flue outer wall, flue outer wall is provided with radial direction through hole, described stopple coupon stretches in flue from radial direction through hole, described stopple coupon two ends adopt entrance, export respectively under inlet bend, outlet elbow structure, the outside pipeline of described stopple coupon is connected with flue gas analyzer, stay cord is provided with in the inner chamber of stopple coupon, the inner of stay cord is stretched out downwards from the porch of stopple coupon the inner, the outer end of stay cord is stretched out downwards from the exit, outer end of stopple coupon, the inner of stay cord is connected with inlet seal plug, inlet seal plug coordinates with entrance, the outer end of stay cord is connected with exit seal plug, exit seal plug coordinates with outlet.
2. fire coal boiler fume sampler as claimed in claim 1, it is characterized in that, described inlet seal plug, exit seal plug are the cone that upper end is thin, lower end is thick.
3. fire coal boiler fume sampler as claimed in claim 1, it is characterized in that, the quality of described exit seal plug is greater than the quality of inlet seal plug; During smoke sampling test, by the gravity of external force and inlet seal plug, exit seal plug is risen, simultaneously inlet seal plug decline to departing from entrance and coordinate, flue gas enters flue gas analyzer from the entrance of stopple coupon through stopple coupon pipeline and carries out analytical test.
4. fire coal boiler fume sampler as claimed in claim 1, it is characterized in that, described exit seal plug is connected with counterweight, and the quality of exit seal plug is less than the quality of inlet seal plug, and the gross mass of exit seal plug and counterweight is greater than the quality of inlet seal plug.
5. fire coal boiler fume sampler as claimed in claim 1, it is characterized in that, described exit seal plug bottom is provided with spring supporting seat, the outer end of stay cord is connected with spring supporting seat top through rear from the top down from exit seal plug, is provided with Compress Spring between described spring supporting seat top and exit seal plug bottom.
6. fire coal boiler fume sampler as claimed in claim 1, it is characterized in that, described stay cord is provided with hairbrush, and the mode that hairbrush can conveniently be untied ties up on whole stay cord.
7. fire coal boiler fume sampler as claimed in claim 1, it is characterized in that, described flue gas analyzer is connected with stopple coupon pipeline by three-way interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510791075.0A CN105223042B (en) | 2015-11-17 | 2015-11-17 | Fire coal boiler fume sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510791075.0A CN105223042B (en) | 2015-11-17 | 2015-11-17 | Fire coal boiler fume sampler |
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| Publication Number | Publication Date |
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| CN105223042A true CN105223042A (en) | 2016-01-06 |
| CN105223042B CN105223042B (en) | 2017-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510791075.0A Active CN105223042B (en) | 2015-11-17 | 2015-11-17 | Fire coal boiler fume sampler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628455A (en) * | 2016-02-04 | 2016-06-01 | 大唐环境产业集团股份有限公司 | Full-size smoke component measuring device for large flue |
| CN108507917A (en) * | 2018-04-20 | 2018-09-07 | 宫毅 | The detection method of flue gas dust collecting system dust collection capacity of converter |
| CN115402656A (en) * | 2022-10-10 | 2022-11-29 | 太原锅炉集团有限公司 | Construction method of coal feeding blockage clearing mechanism in coal feeding hopper of circulating fluidized bed boiler |
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| CN104864160A (en) * | 2015-05-13 | 2015-08-26 | 武汉圣禹排水系统有限公司 | Pilot-operated type axial hydro-automatic gate |
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| US5873252A (en) * | 1996-08-01 | 1999-02-23 | Testo Gmbh & Co. | Condensate separator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628455A (en) * | 2016-02-04 | 2016-06-01 | 大唐环境产业集团股份有限公司 | Full-size smoke component measuring device for large flue |
| CN108507917A (en) * | 2018-04-20 | 2018-09-07 | 宫毅 | The detection method of flue gas dust collecting system dust collection capacity of converter |
| CN115402656A (en) * | 2022-10-10 | 2022-11-29 | 太原锅炉集团有限公司 | Construction method of coal feeding blockage clearing mechanism in coal feeding hopper of circulating fluidized bed boiler |
| CN115402656B (en) * | 2022-10-10 | 2024-03-15 | 太原锅炉集团有限公司 | Construction method of coal feeding blockage removing mechanism in coal feeding hopper of circulating fluidized bed boiler |
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| Publication number | Publication date |
|---|---|
| CN105223042B (en) | 2017-08-08 |
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