CN203299030U - Integrated flue gas collecting and testing device with sealing part - Google Patents
Integrated flue gas collecting and testing device with sealing part Download PDFInfo
- Publication number
- CN203299030U CN203299030U CN2013203719347U CN201320371934U CN203299030U CN 203299030 U CN203299030 U CN 203299030U CN 2013203719347 U CN2013203719347 U CN 2013203719347U CN 201320371934 U CN201320371934 U CN 201320371934U CN 203299030 U CN203299030 U CN 203299030U
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- flue gas
- outer sleeve
- gas collecting
- pedestal
- thieff hatch
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Abstract
The utility model provides an integrated flue gas collecting and testing device with a sealing part. The integrated flue gas collecting and testing device with the sealing part comprises a sampling hole base, an outer sleeve, a flue gas sampling tube, a thermocouple and an annular sealing plate; the sampling hole base which is arranged at the position of a sampling hole of a flue to be tested is provided with a through hole which is communicated with the flue to be tested; the outer diameter of the outer sleeve is smaller than the inner diameter of the through hole of the sampling hole base; the flue gas sampling tube is arranged in the outer sleeve; the thermocouple which is preinstalled outside the flue gas sampling tube is arranged in the outer sleeve; the annular sealing plate which sleeves the outer sleeve is in sealing connection with the outer sleeve; the outer diameter of the sealing plate is larger than the inner diameter of the through hole of the sampling hole base. The integrated flue gas collecting and testing device with the sealing part has the advantages of being capable of well solving the problem that air leakage of the sampling hole affects a flue gas composition test and temperature test, being convenient to use, omitting mass on-site installation and length calibration work, saving the testing time and improving the testing efficiency and testing accuracy.
Description
Technical field
The utility model relates to the flue gas fields of measurement, is specifically related to a kind of collecting test of integrated flue gas with sealing device.
Background technology
Smoke components test and temperature test, be necessary content measurement in the station boiler performance test, and smoke components refers to: coal dust generates after the stove internal combustion mixed gas, principal ingredient comprises: O2, CO2, SO2, CO, NOx, N2 etc.
According to the regulation of GB GB10184-88 " station boiler performance test code ", flue-gas temperature is measured and smoke components is measured and need employing multimetering gridding method be carried out.The flue gas in power station boiler temperature is measured with thermopair usually, comprises T-shaped thermocouple and K type thermocouple.The gridding method multimetering refers to: in arbitrary flue perpendicular to flow of flue gas direction cross section, smoke components distributes and Temperature Distribution is inhomogeneous.According to the flue size, at the flue test position, offer in advance some gaging holes, the flue gas sampling proving installation is vertically inserted in each instrument connection to the Gas Parameters of test different depth position.
The condition that is put to the test and sampling test device restriction, existing smoke components test and temperature testing device complexity, the Assembling workload is large, device damage and failure rate are higher, with the flue poor sealing, there is extraneous cold wind to be bled in flue by the flue position of opening more, affect temperature and smoke components measuring accuracy, cause test error larger.
The utility model content
The utility model provides a kind of collecting test of integrated flue gas with sealing device, to solve in test process, because thieff hatch leaks out to the adverse effect that smoke components is tested and temperature test causes.
For this reason, the utility model proposes a kind of collecting test of integrated flue gas with sealing device, the integrated flue gas collecting test device of described band sealing comprises:
The thieff hatch pedestal, be arranged on the thieff hatch place of flue to be tested, and described thieff hatch pedestal has the through hole that is communicated with flue to be tested;
Outer sleeve, the external diameter of described outer sleeve is less than the through hole internal diameter of described thieff hatch pedestal;
The flue gas sampling pipe, be arranged in described outer sleeve;
Be pre-installed on the outer thermopair of flue gas sampling pipe, be arranged in described outer sleeve;
The sealing pad of ring-type, be set in outside described outer sleeve, between described sealing pad and described outer sleeve, is tightly connected, and the external diameter of described sealing pad is greater than the through hole internal diameter of described thieff hatch pedestal.
Further, the integrated flue gas collecting test device of described band sealing also comprises: be arranged on the first clip on described sealing pad, described the first clip and the clamping of described thieff hatch pedestal.
Further, described thieff hatch pedestal is welded on the lateral wall of flue to be tested.
Further, described thieff hatch pedestal comprises the parent tube that stretches out outside flue to be tested and the annular disk that is arranged on place, described parent tube outer end, and described through hole runs through described parent tube and described annular disk, and the external diameter of described annular disk is greater than the external diameter of described parent tube.
Further, between described sealing pad and described outer sleeve, be provided with high-temperature resistant seal ring, described sealing pad can axially movable being set in outside described outer sleeve.
Further, described outer sleeve is provided with rule.
Further, described the first clip is hook-shaped.
Further, described the first clip is made by stainless steel material.
Further, the integrated flue gas collecting test device of described band sealing also comprises: the shutoff hermetically-sealed construction of the described thieff hatch pedestal of shutoff, described shutoff hermetically-sealed construction comprises: discoid shutoff dish, be arranged on stopper on described shutoff dish, be set in the outer sealing gasket of described stopper and be arranged on the second clip on described shutoff dish.
Further, described thieff hatch pedestal is provided with draw-in groove.
In test process, sealing pad is set in outside described outer sleeve, between described sealing pad and described outer sleeve, is tightly connected, thereby has avoided leaking out between flue gas sampling pipe and thieff hatch, make test result more accurate, realized that flue-gas temperature and smoke components gather simultaneously.
Thermopair is arranged in described outer sleeve, can better protect the consumable accessorys such as thermopair, improves equipment dependability.
Outer sleeve is provided with rule, is convenient to calculating and sign and gos deep into length in flue, improves the grid dividing precision.
Easy-to-mount plugging structure, good seal performance, dismounting and the installment work of saving test period lot of experiments gaging hole, increase work efficiency.
The accompanying drawing explanation
Fig. 1 is the flue thieff hatch arrangement schematic diagram according to the utility model embodiment;
Fig. 2 looks assembly structure with sectional structure according to the master of the integrated flue gas collecting test device of the utility model embodiment;
Fig. 3 is the side-looking assembly structure of integrated flue gas collecting test device in test process according to the utility model embodiment;
Fig. 4 is the structure according to the outer sleeve of the utility model embodiment and flue gas sampling pipe;
Fig. 5 shows the plugging structure according to the utility model embodiment;
Fig. 6 is the structure according to the thieff hatch pedestal of the utility model embodiment.
The drawing reference numeral explanation:
1, the lateral wall 2 of flue 10, thieff hatch 16, flue, flue gas sampling pipe 20, smoke sampling mouth 3, thermopair 30, thermopair interface 12, hot flue gas 14, thieff hatch pedestal 4, outer sleeve 5, sealing pad 52, the first clip 54, O-ring seal 6, shutoff hermetically-sealed construction 62, the second clip 64, sealing gasket 66, stopper 140, parent tube 142, annular disk 144, draw-in groove 146, through hole 148, welding end
Embodiment
For technical characterictic of the present utility model, purpose and effect being had more clearly, understand, now contrast accompanying drawing explanation embodiment of the present utility model.
As shown in Figure 2, the utility model proposes a kind of collecting test of integrated flue gas with sealing device, the integrated flue gas collecting test device of described band sealing comprises:
Flue gas sampling pipe 2, be arranged in described outer sleeve 4, and in test, hot flue gas 12 is from flue 1, entering flue gas sampling pipe 2, and is sampled from smoke sampling mouth 20;
Be pre-installed on the outer thermopair 3 of flue gas sampling pipe 2, be arranged in described outer sleeve, flue gas sampling pipe 2, thermopair 3 and outer sleeve 4 are mounted for integral body, outer sleeve 4 is protected thermopairs 3 on the one hand, on the other hand, this monolithic construction reduces the on-site installation work amount, can be by the binding of heating resisting metal silk between flue gas sampling pipe 2 and thermopair 3, as Fig. 3, mutual circumscribed and while and outer sleeve 4 inscribes between flue gas sampling pipe 2 and thermopair 3, be mounted for whole stability to increase flue gas sampling pipe 2, thermopair 3 and outer sleeve 4; Thermopair 3 extend in flue gas, and thermopair interface 30 is the interfaces that are connected with electronic thermometer.As Fig. 2 and Fig. 3, the sealing pad 5 of ring-type, be set in outside described outer sleeve 4, between described sealing pad 5 and described outer sleeve 4, be tightly connected, the external diameter of described sealing pad is greater than the through hole internal diameter of described thieff hatch pedestal, avoid by the thieff hatch leaking-in air, affecting test data in conventionally test, solved flue gas sampling pipe and thieff hatch pedestal gap Air Leakage.
Further, as Fig. 2, the integrated flue gas collecting test device of described band sealing also comprises: be arranged on the first clip 52 on described sealing pad, described the first clip 52 and described thieff hatch pedestal 14 clampings.The mode of this clamping, with respect to using flange arrangement, the disassemble and assemble work amount greatly reduces, and the structure of the simple dismounting of this integral type has been arranged, and can save a large amount of thieff hatch opening/closing times.
Further, as Fig. 6, described thieff hatch pedestal 14 comprises the parent tube 140 that stretches out outside flue to be tested and is arranged on the annular disk 142 at described parent tube 140 places, outer end, described through hole 146 runs through described parent tube 140 and described annular disk 142, the external diameter of described annular disk 142 is greater than the external diameter of described parent tube 140, to realize the rapid abutting joint of annular disk 142 at when test and sealing pad 5, do not leak out in assurance flue gas sampling pipe and thieff hatch pedestal gap, within non-test period, thieff hatch pedestal 14 docks with the shutoff hermetically-sealed construction, and the assurance flue gas is not revealed.
Further, as Fig. 2, described thieff hatch pedestal 14 is welded on the lateral wall 16 of flue to be tested, realizes the stable setting of thieff hatch pedestal 14.As Fig. 6, thieff hatch pedestal 14 is welded on the lateral wall 16 of flue to be tested by the welding end 148 (inner side end of parent tube) of parent tube 140.
Further, as Fig. 2 and Fig. 4, between described sealing pad 5 and described outer sleeve 4, be provided with high-temperature resistant seal ring 54, do not leak out in assurance flue gas sampling pipe and thieff hatch pedestal gap, as Fig. 4, axially movable being set in outside described outer sleeve 4 of described sealing pad 5 energy, facilitate the flue gas sampling pipe to move, and promotes and adopt precision and efficiency.As Fig. 4, outer sleeve 4 can move around according to the direction of arrow in Fig. 4 in sealing pad 5.
Further, described outer sleeve 4 is provided with rule, outer sleeve 4 is provided with take centimetre scale as least unit, be convenient to mark and go deep into the length in flue, can check directly that the flue gas sampling pipe inserts the flue degree of depth, realize accurately measuring, be convenient to calculating and sign and go deep into length in flue, improve the grid dividing precision.
Further, as Fig. 2 and Fig. 4, described the first clip 52 is hook-shaped, is convenient to catch on thieff hatch pedestal 14.Further, described the first clip is made by stainless steel material, has elasticity, is convenient to quick dismounting, is convenient to Reusability.Employing, with the plugging structure of stainless steel metal clip, is saved the shutoff disassemble and assemble work amount of a large amount of screw flanges, improves test efficiency.
Further, as Fig. 5, the integrated flue gas collecting test device of described band sealing also comprises: the shutoff hermetically-sealed construction of the described thieff hatch pedestal of shutoff, described shutoff hermetically-sealed construction comprises: discoid shutoff dish 6, be arranged on stopper 66 on described shutoff dish, be set in the outer sealing gasket 64 of described stopper and be arranged on the second clip 62 on described shutoff dish.The second clip is made by stainless steel material, has elasticity, is convenient to quick dismounting, is convenient to Reusability.The shutoff hermetically-sealed construction is within non-test period, and thieff hatch pedestal 14 docks with the shutoff hermetically-sealed construction, guarantees that flue gas do not reveal.
Further, the thieff hatch pedestal is provided with draw-in groove 144 as described in Figure 6, so as with the second clip 62 or the first clip 52 clampings.Draw-in groove 144 is between parent tube 140 and annular disk 142 or on 144 annular disks 142 of draw-in groove, so that clamping is more firm.
The utility model is achieved in that
First thieff hatch pedestal 14 is welded on to the thieff hatch place on flue, when test, the integral body that flue gas sampling pipe 2, thermopair 3 and outer sleeve 4 are formed is inserted in the through hole 146 of thieff hatch pedestal 14 in the lump, outer sleeve 4 outer sealing pads 5 are docked with the annular disk 142 of thieff hatch pedestal 14, like this, except flue gas sampling pipe 2 and thermopair 3 for test, flue 1 is airtight with the external world, avoid by the thieff hatch leaking-in air, affecting test data in conventionally test, solved flue gas sampling pipe and thieff hatch pedestal gap Air Leakage.
Before non-test period or test or after test, in thieff hatch pedestal 14, no longer include flue gas sampling pipe 2, thermopair 3 and outer sleeve 4, thieff hatch pedestal 14 docks with the shutoff hermetically-sealed construction, the discoid shutoff dish 6 of shutoff sealing seals the thieff hatch on flue fully, and the assurance flue gas is not revealed.Namely, no matter in test period or in non-test period, flue gas can not leak out from the thieff hatch pedestal.
The utility model can solve thieff hatch and leaks out on the impact of smoke components test and temperature test, and is easy to use, saves a large amount of on-the-spot installations and calibrating length work, saves the test duration, promotes testing efficiency and measuring accuracy.The utility model can realize that flue-gas temperature and smoke components gather simultaneously, reduces the on-site installation work amount, and can better protect the consumable accessory such as thermopair, improves equipment dependability; The utility model good seal performance, dismounting and the installment work of saving test period lot of experiments gaging hole, increase work efficiency.
The foregoing is only the schematic embodiment of the utility model, not in order to limit scope of the present utility model.For each ingredient of the present utility model can make up mutually under the condition of not conflicting; any those skilled in the art; the equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification, all should belong to the scope that the utility model is protected.
Claims (10)
1. the collecting test of the integrated flue gas with a sealing device, is characterized in that, the integrated flue gas collecting test device of described band sealing comprises:
The thieff hatch pedestal, be arranged on the thieff hatch place of flue to be tested, and described thieff hatch pedestal has the through hole that is communicated with flue to be tested;
Outer sleeve, the external diameter of described outer sleeve is less than the through hole internal diameter of described thieff hatch pedestal;
The flue gas sampling pipe, be arranged in described outer sleeve;
Be pre-installed on the outer thermopair of flue gas sampling pipe, be arranged in described outer sleeve;
The sealing pad of ring-type, be set in outside described outer sleeve, between described sealing pad and described outer sleeve, is tightly connected, and the external diameter of described sealing pad is greater than the through hole internal diameter of described thieff hatch pedestal.
2. the integrated flue gas collecting test device of band as claimed in claim 1 sealing, it is characterized in that, the integrated flue gas collecting test device of described band sealing also comprises: be arranged on the first clip on described sealing pad, described the first clip and the clamping of described thieff hatch pedestal.
3. integrated flue gas collecting test device as claimed in claim 1, is characterized in that, described thieff hatch pedestal is welded on the lateral wall of flue to be tested.
4. integrated flue gas collecting test device as claimed in claim 1, it is characterized in that, described thieff hatch pedestal comprises the parent tube that stretches out outside flue to be tested and is arranged on the annular disk at place, described parent tube outer end, described through hole runs through described parent tube and described annular disk, and the external diameter of described annular disk is greater than the external diameter of described parent tube.
5. integrated flue gas collecting test device as claimed in claim 1, is characterized in that, between described sealing pad and described outer sleeve, is provided with high-temperature resistant seal ring, and described sealing pad can axially movable being set in outside described outer sleeve.
6. integrated flue gas collecting test device as claimed in claim 1, is characterized in that, described outer sleeve is provided with rule.
7. integrated flue gas collecting test device as claimed in claim 2, is characterized in that, described the first clip is hook-shaped.
8. integrated flue gas collecting test device as claimed in claim 2, is characterized in that, described the first clip is made by stainless steel material.
9. integrated flue gas collecting test device as claimed in claim 2, it is characterized in that, the integrated flue gas collecting test device of described band sealing also comprises: the shutoff hermetically-sealed construction of the described thieff hatch pedestal of shutoff, described shutoff hermetically-sealed construction comprises: discoid shutoff dish, be arranged on stopper on described shutoff dish, be set in the outer sealing gasket of described stopper and be arranged on the second clip on described shutoff dish.
10. integrated flue gas collecting test device as claimed in claim 9, is characterized in that, described thieff hatch pedestal is provided with draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203719347U CN203299030U (en) | 2013-06-26 | 2013-06-26 | Integrated flue gas collecting and testing device with sealing part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203719347U CN203299030U (en) | 2013-06-26 | 2013-06-26 | Integrated flue gas collecting and testing device with sealing part |
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| Publication Number | Publication Date |
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| CN203299030U true CN203299030U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203719347U Expired - Lifetime CN203299030U (en) | 2013-06-26 | 2013-06-26 | Integrated flue gas collecting and testing device with sealing part |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323293A (en) * | 2013-06-26 | 2013-09-25 | 国家电网公司 | Sealed integrated smoke collection test device |
| CN103940778A (en) * | 2014-05-19 | 2014-07-23 | 国家电网公司 | System for measuring escaping ammonia in flue gas |
| CN104280150A (en) * | 2014-10-31 | 2015-01-14 | 国网河南禹州市供电公司 | Thermoelectric couple fixing device |
| CN105784426A (en) * | 2014-12-16 | 2016-07-20 | 中国科学院大连化学物理研究所 | Flue gas sampling plugging device and use method thereof |
| CN109612786A (en) * | 2018-11-23 | 2019-04-12 | 河北弘顺安全技术服务有限公司 | A kind of air collecting device |
-
2013
- 2013-06-26 CN CN2013203719347U patent/CN203299030U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323293A (en) * | 2013-06-26 | 2013-09-25 | 国家电网公司 | Sealed integrated smoke collection test device |
| CN103940778A (en) * | 2014-05-19 | 2014-07-23 | 国家电网公司 | System for measuring escaping ammonia in flue gas |
| CN104280150A (en) * | 2014-10-31 | 2015-01-14 | 国网河南禹州市供电公司 | Thermoelectric couple fixing device |
| CN105784426A (en) * | 2014-12-16 | 2016-07-20 | 中国科学院大连化学物理研究所 | Flue gas sampling plugging device and use method thereof |
| CN105784426B (en) * | 2014-12-16 | 2018-07-13 | 中国科学院大连化学物理研究所 | A kind of flue gas thieff hatch plugging device and its application method |
| CN109612786A (en) * | 2018-11-23 | 2019-04-12 | 河北弘顺安全技术服务有限公司 | A kind of air collecting device |
| CN109612786B (en) * | 2018-11-23 | 2021-02-26 | 河北弘顺安全技术服务有限公司 | Air collection device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |
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| CX01 | Expiry of patent term |