CN203376145U - Target plate installation structure in steam pipeline purging system - Google Patents
Target plate installation structure in steam pipeline purging system Download PDFInfo
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- CN203376145U CN203376145U CN201320207953.6U CN201320207953U CN203376145U CN 203376145 U CN203376145 U CN 203376145U CN 201320207953 U CN201320207953 U CN 201320207953U CN 203376145 U CN203376145 U CN 203376145U
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Abstract
The utility model relates to a target plate installation structure in a steam pipeline purging system. Currently, a target plate installation structure having no detection blind zone and capable of fully satisfying targeting experiment demands is not existent. The target plate installation structure provided by the utility model comprises a target plate installation flange, a target plate, a matching connection flange, a sealing gasket and flange fixing bolts. The target plate installation flange and the matching connection flange are fixed through the flange fixing bolts. The sealing gasket is arranged between the target plate installation flange and the matching connection flange. The target plate installation structure is characterized by further comprising target plate fixing bolts. The length of the target plate is larger than the internal diameter of the target plate installation flange. An installation groove is arranged in the target plate installation flange. Installation screw holes are arranged inside the installation groove. The target plate is fixed inside the installation groove through the target plate fixing bolts. The target plate fixing bolts are connected inside the installation screw holes in a threaded way. A connection groove is arranged inside the matching connection flange. The target plate installation structure provided by the utility model has no detection blind zone and can fully satisfy targeting experiment demands. Detection effects are enhanced.
Description
Technical field
The utility model relates to a kind of target plate mounting structure, especially relate to the target plate mounting structure in a kind of sweeping steam pipeline system, be mainly used on jet chimney purging in the test of practicing shooting, for example industrial steam turbine or the jet chimney installation of electric turbine device portal and system test qualified after, need be with being loaded on the test of practicing shooting of aluminium target plate on gas outlet.
Background technology
At present, in the sweeping steam pipeline system design of target plate mounting structure commonly used reasonable not, the inadequate science of layout, purging while practicing shooting test and existing and detect blind area, the accuracy of detection is not high.As " tech enterprises in China " discloses the purging of industrial steam turbine main steam line in 2010 in the 24th phase 39-40 page, what wherein relate to is the target plate mounting structure that some projects adopt when jet chimney being purged to target practice, although one-piece construction is comparatively simple, operation more for convenience, but adopt this structure mainly to have 2 deficiencies: 1, target plate length is less than internal diameter of the pipeline, detect blind area in the target plate termination to forming between inner-walls of duct, can not meet the requirement of target plate test fully, may be to checking that effect affects; 2, target plate need adopt bolt or screw to fix, and the position of bolt or screw is in cross-section of pipeline, if the impurity be mingled with in steam while purging is just in time beaten on set bolt, causing purging result can't be embodied on target plate really, the accuracy of test thereby impact is practiced shooting, especially at the scavenging pipeline diameter, impact hour is larger.
When doing blowing pipeline target practice test, generally need to change target plate several times, therefore, require the mounting structure of target plate relatively simple, easy to operate, also there is no at present a kind of reasonable in design, scientific arrangement, do not exist and detect blind area, can meet the target practice testing requirements fully, improve the target plate mounting structure in the sweeping steam pipeline system that detects effect.
The utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, scientific arrangement, do not exist and detect blind area, can meet the target practice testing requirements fully, improve the target plate mounting structure in the sweeping steam pipeline system that detects effect.
The technical scheme in the invention for solving the above technical problem is: the target plate mounting structure in this sweeping steam pipeline system comprises the target plate mounting flange, target plate, the pairing connecting flange, gasket seal and flange set bolt, described target plate mounting flange and pairing connecting flange fix by the flange set bolt, described gasket seal is arranged between target plate mounting flange and pairing connecting flange, its design feature is: also comprise the target plate set bolt, the length of described target plate is greater than the flange latus rectum of target plate mounting flange, be provided with the installation groove in described target plate mounting flange, the shape of described installation groove and size all are complementary with target plate, be provided with installation screw in this installation groove, described target plate is fixed on and installs in groove by the target plate set bolt, described target plate set bolt is threaded in installation screw, be provided with the connection groove in described pairing connecting flange, the shape of this connection groove and size all are complementary with target plate.
As preferably, the utility model also comprises support plate, and described support plate is fixed on target plate, and this support plate is between target plate and pairing connecting flange.
As preferably, target plate described in the utility model is aluminium material.
As preferably, the quantity of target plate set bolt described in the utility model is two.
The utility model compared with prior art, has the following advantages and effect: reasonable in design, and scientific arrangement, the length of target plate is greater than the flange latus rectum of target plate mounting flange, and the length of target plate is greater than internal diameter of the pipeline, does not exist and detects blind area.Target plate is fixed on the target plate mounting flange, in purging the pipeline drift diameter scope, has no effect and purges the zone of effect, and mounting structure can meet the target practice testing requirements fully, improves the accuracy detected.
The accompanying drawing explanation
Fig. 1 is the structural representation of the target plate mounting structure in the utility model embodiment middle steam tube road purging system.
Fig. 2 is that the target plate mounting structure in the utility model embodiment is arranged on the structural representation in the sweeping steam pipeline system.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment.
Referring to Fig. 1 to Fig. 2, target plate mounting structure in sweeping steam pipeline system in the present embodiment comprises target plate mounting flange 1, target plate 2, support plate 3, target plate set bolt 4, pairing connecting flange 5, gasket seal 6 and flange set bolt 7, wherein, target plate 2 is aluminium material, and the quantity of target plate set bolt 4 is two.
Shape and the size of the target plate mounting flange 1 in the present embodiment and pairing connecting flange 5 are complementary, this target plate mounting flange 1 and pairing connecting flange 5 fix by flange set bolt 7, gasket seal 6 is arranged between target plate mounting flange 1 and pairing connecting flange 5, guarantees the sealing property between target plate mounting flange 1 and pairing connecting flange 5.
The length of the target plate 2 in the present embodiment is greater than the flange latus rectum of target plate mounting flange 1, and the length of target plate 2 is greater than the length of the interior diameter of target plate mounting flange 1, guarantees in testing process not exist the detection blind area.
Be provided with the installation groove in the target plate mounting flange 1 of the present embodiment, the shape of this installation groove and size all are complementary with target plate 2, in being installed, groove is provided with installation screw, target plate 2 and support plate 3 all are fixed on and install in groove by target plate set bolt 4, and target plate set bolt 4 is threaded in installation screw.Support plate 3 is between target plate 2 and pairing connecting flange 5, and support plate 3 is fixed on target plate 2.
The present embodiment is provided with the connection groove in pairing connecting flange 5, and the shape of this connection groove and size all are complementary with target plate 2.
The utility model is for installing target plate 2, all dug the groove of an appropriate depth on target plate mounting flange 1 and pairing connecting flange 5, the Length Ratio flange latus rectum of groove is large, flow into the threaded hole that bores two symmetries on the installation groove of target plate mounting flange 1 of a side at steam, with target plate set bolt 4, that target plate 2 is fixing.
Target plate mounting flange 1 in the utility model, target plate 2, support plate 3, target plate set bolt 4, pairing connecting flange 5, the size of gasket seal 6 and flange set bolt 7 can be selected according to actual needs, for example, the scavenging duct of nominal diameter DN80 of take is example, external diameter by target plate mounting flange 1 and pairing connecting flange 5, bolt hole center's circular diameter, the bolt hole size and number, size of seal contact face, flange thicknesses etc. are chosen by the DN125 flange, the gasket seal 6 of flange can be selected the Gaskets of nominal diameter DN125 like this, to the relevant flange size that pipeline connects, by the DN80 flange, choose, open the groove of diameter phi 125mm, dark 15mm at flange sealing surface, the diameter phi 125mm of groove, dark 15mm are installed, connect the diameter phi 125mm of groove, dark 15mm, bore the threaded hole of two M8 in the installation groove of distance target plate mounting flange 1 center 50mm, fixing for target plate 2, with the pairing connecting flange 5 of target plate mounting flange 1 pairing strap bolt hole not, all the other structures are all identical with target plate mounting flange 1.When target plate 2 is installed, on target plate 2, with support plate 3 supportings, target plate set bolt 4 is tightened fixing.
Target plate mounting structure in the present embodiment is mainly used on jet chimney purging in the test of practicing shooting, for example industrial steam turbine or the jet chimney installation of electric turbine device portal and system test qualified after, need be with being loaded on the test of practicing shooting of aluminium target plate on gas outlet, wherein, connecting section 8 on gas outlet is connected on the target plate mounting structure, and noise reduction section 9 is connected on connecting section 8.While needing to change target plate 2, the connecting section 8 of dismantling, back out two target plate set bolts 4 in the target plate mounting structure, changes target plate 2 and get final product.
Generally, the surface requirements of target plate 2 is bright and clean, should adopt thickness 5mm, width be not less than the gas exhaust duct internal diameter 8%, the length aluminium sheet that is slightly larger than internal diameter of the pipeline makes.When practicing shooting test, jet chimney should be purged with large flow steam, and flow velocity should purge 75% left and right that pressure should maintain pipe design pressure as far as possible higher than 30m/s, purges the regulation that quality should meet table 1.
Table 1 purges the quality standard table
| Sequence number | Project | Quality standard |
| 1 | Vestige size on target plate | φ 0.6mm once |
| 2 | Trace is dark | <0.5 |
| 3 | The grain number | 1/cm 2 |
| 4 | Time | Purge 15min and check, twice all qualified |
In addition, it should be noted that, the specific embodiment described in this instructions, the shape of its parts and components, institute's title of being named etc. can be different, and the above content described in this instructions is only to the explanation of the utility model structure example.Allly according to the utility model patent, conceive equivalence variation or the simple change that described structure, feature and principle are done, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (4)
1. the target plate mounting structure in a sweeping steam pipeline system, comprise the target plate mounting flange, target plate, the pairing connecting flange, gasket seal and flange set bolt, described target plate mounting flange and pairing connecting flange fix by the flange set bolt, described gasket seal is arranged between target plate mounting flange and pairing connecting flange, it is characterized in that: also comprise the target plate set bolt, the length of described target plate is greater than the flange latus rectum of target plate mounting flange, be provided with the installation groove in described target plate mounting flange, the shape of described installation groove and size all are complementary with target plate, be provided with installation screw in this installation groove, described target plate is fixed on and installs in groove by the target plate set bolt, described target plate set bolt is threaded in installation screw, be provided with the connection groove in described pairing connecting flange, the shape of this connection groove and size all are complementary with target plate.
2. the target plate mounting structure in sweeping steam pipeline system according to claim 1, it is characterized in that: also comprise support plate, described support plate is fixed on target plate, and this support plate is between target plate and pairing connecting flange.
3. the target plate mounting structure in sweeping steam pipeline system according to claim 1, it is characterized in that: described target plate is aluminium material.
4. the target plate mounting structure in sweeping steam pipeline system according to claim 1, it is characterized in that: the quantity of described target plate set bolt is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320207953.6U CN203376145U (en) | 2013-04-23 | 2013-04-23 | Target plate installation structure in steam pipeline purging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320207953.6U CN203376145U (en) | 2013-04-23 | 2013-04-23 | Target plate installation structure in steam pipeline purging system |
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| Publication Number | Publication Date |
|---|---|
| CN203376145U true CN203376145U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320207953.6U Expired - Lifetime CN203376145U (en) | 2013-04-23 | 2013-04-23 | Target plate installation structure in steam pipeline purging system |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236619A (en) * | 2014-09-29 | 2014-12-24 | 中国能源建设集团天津电力建设公司 | Target plate detection device |
| CN105736945A (en) * | 2016-03-25 | 2016-07-06 | 鞍钢集团工程技术有限公司 | Method for dual-coke-oven grid-connected steam blowing of single main steam pipe and targeting inspection |
| CN107327319A (en) * | 2017-06-30 | 2017-11-07 | 沪东重机有限公司 | The Quick steam blowing method and device of steam turbine admission line |
| CN110006061A (en) * | 2019-04-30 | 2019-07-12 | 延安大学 | A kind of Chemical Manufacture jet chimney target practice device |
| CN110243654A (en) * | 2019-03-12 | 2019-09-17 | 华电电力科学研究院有限公司 | Sweeping steam pipeline target plate device |
-
2013
- 2013-04-23 CN CN201320207953.6U patent/CN203376145U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236619A (en) * | 2014-09-29 | 2014-12-24 | 中国能源建设集团天津电力建设公司 | Target plate detection device |
| CN104236619B (en) * | 2014-09-29 | 2016-08-17 | 中国能源建设集团天津电力建设有限公司 | Target board checking device |
| CN105736945A (en) * | 2016-03-25 | 2016-07-06 | 鞍钢集团工程技术有限公司 | Method for dual-coke-oven grid-connected steam blowing of single main steam pipe and targeting inspection |
| CN105736945B (en) * | 2016-03-25 | 2018-01-16 | 鞍钢集团工程技术有限公司 | The single main steam line of the grid-connected purging of 2 coke oven steam and the target practice method of inspection |
| CN107327319A (en) * | 2017-06-30 | 2017-11-07 | 沪东重机有限公司 | The Quick steam blowing method and device of steam turbine admission line |
| CN107327319B (en) * | 2017-06-30 | 2019-02-12 | 沪东重机有限公司 | The Quick steam blowing method and device of steam turbine admission line |
| CN110243654A (en) * | 2019-03-12 | 2019-09-17 | 华电电力科学研究院有限公司 | Sweeping steam pipeline target plate device |
| CN110006061A (en) * | 2019-04-30 | 2019-07-12 | 延安大学 | A kind of Chemical Manufacture jet chimney target practice 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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |