CN211553939U - Auxiliary device for testing process of flue gas analyzer - Google Patents

Abstract

The utility model provides an auxiliary device for the testing process of a flue gas analyzer, which comprises a telescopic tripod, and comprises a deformation internal expansion type tool for fixing a probe of the flue gas analyzer and a fixing device for fixing a probe handle of the flue gas analyzer, wherein the deformation internal expansion type tool comprises an expansion tire seat and a tensioning nut, an expansion tire is arranged on the expansion tire seat, the expansion tire seat is spirally embedded into one end of the tensioning nut, a screw sleeve at the tail end of the expansion tire seat is provided with a dustproof cover, and the dustproof cover is arranged at the other end of the tensioning nut; the fixing device comprises a telescopic tripod, a telescopic supporting rod is fixedly embedded on the telescopic tripod, and an adjustable U-shaped block for fixing a probe handle of the flue gas analyzer is arranged at the tail end of the telescopic supporting rod; the utility model discloses simple structure, the simple operation can be convenient for fix flue gas analyzer when the test.

Description

Auxiliary device for testing process of flue gas analyzer

Technical Field

The utility model relates to a fixed technical field of flue gas analysis appearance, especially a flue gas analysis appearance test process's auxiliary device.

Background

Along with the increasing importance of the state on energy conservation and environmental protection, the requirements on boiler energy efficiency indexes in the energy conservation supervision and management regulations of the TSG 0002 boiler are more and more strict, and the boiler thermal efficiency test is more and more important. In the operation process of the boiler, the analysis and measurement of the oxygen content, the carbon dioxide content and the carbon monoxide content of the boiler flue gas are of great significance for guiding the combustion control of the boiler. In order to maintain the boiler in an optimum combustion state, the amount of air actually supplied should be made larger than the theoretical amount of air, and the optimum excess air ratio at the furnace exit where the heat loss of the boiler is minimized should be maintained within a certain range. Therefore, in the thermal efficiency test of the boiler, the flue gas analyzer is used for analyzing and measuring the oxygen content, the carbon dioxide content and the carbon monoxide content of the flue gas of the boiler, so that the combustion efficiency, the excess air coefficient and other parameters are calculated to provide reference data for adjusting the boiler to the optimal combustion condition.

At present, in the prior art, a flue gas analyzer with a model of testo340 is mainly adopted for measuring the flue gas components of an industrial boiler, and a probe of the flue gas analyzer is inserted into a flue measuring hole at a flue at an outlet of an economizer for detection. The instrument is convenient to carry, but has the following defects: firstly, because the time for detecting the thermal efficiency of the boiler is longer, generally more than 2 hours, the field test condition of the boiler is generally worse, and a measuring instrument without a fixing device needs a manual hand-held probe to detect the smoke components for a long time; secondly, because the flue measuring holes are different in size, the measuring holes need to be blocked by means of articles such as cloth strips and the like, and therefore the data detection result is inaccurate due to the fact that air leakage and the like are prone to happen.

Disclosure of Invention

In view of this, in order to overcome the problem of the above background art, the utility model aims at providing a flue gas analyzer test process's auxiliary device can be convenient for fix the flue gas analyzer and can strut the child that rises and cooperate with the test hole when the test and realize sealing airtight.

The utility model discloses a following method realizes: the utility model provides a flue gas analyzer testing process's auxiliary device, includes scalable tripod, its characterized in that: the smoke analyzer comprises a deformation internal expansion type tool for fixing a probe of a smoke analyzer and a fixing device for fixing a probe handle of the smoke analyzer, wherein the deformation internal expansion type tool comprises an expansion tire seat and a tensioning nut, an expansion tire is arranged on the expansion tire seat, the expansion tire seat is spirally embedded into one end of the tensioning nut, a dustproof cover is arranged at the tail end of the expansion tire seat in a spiral sleeve mode, and the dustproof cover is arranged at the other end of the tensioning nut; the fixing device comprises a telescopic tripod, a telescopic supporting rod is fixedly embedded on the telescopic tripod, and an adjustable U-shaped block used for fixing a probe handle of the flue gas analyzer is arranged at the tail end of the telescopic supporting rod.

Further, adjustable U-shaped piece includes fixed frame, the horizontal pole middle part all inlays and is equipped with the bearing about fixed frame, the bearing outer bearing with fixed frame is connected, fixed frame internal fixation has the clamping component who is used for pressing from both sides the fixed flue gas analysis appearance.

Further, clamping component includes the threaded rod, the bearing connection is provided with in the bearing the threaded rod, the spiral is provided with the stopper on the threaded rod, just the stopper set up in fixed frame, guide rail groove has all been seted up to the surface around in the fixed frame, all be provided with the embedding around the stopper lower extreme the removal convex part in the guide rail inslot, the threaded rod front end is provided with and is used for the spiral the rotatory piece of threaded rod.

The beneficial effects of the utility model reside in that: the utility model adds the variant internal expanding tool and the fixing device in the device, can conveniently test and fix the flue gas analyzer with good sealing performance and accurate detection result, so as to facilitate the field test of testers, which has important significance for improving the technical capability of boiler energy efficiency test; the utility model discloses realize equipment plug-and-play, be convenient for fixed, convenient to carry has not only solved the potential safety hazard that the long-time handheld flue gas analyzer probe of eminence carried out and brought on the one hand, and on the other hand has also solved because flue survey hole trompil is not of uniform size and causes the problem that the probe testing result that the survey hole leakproofness is not enough and lead to flue gas analyzer is wrong.

Drawings

Fig. 1 is a schematic structural diagram of the variable internal expanding tool.

Fig. 2 is a schematic structural view of the fixing device.

Fig. 3 is a schematic structural diagram of the adjustable U-shaped block.

Fig. 4 is a sectional view in the direction of a-a.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 to 4, the present invention provides an embodiment: an auxiliary device for a smoke analyzer testing process comprises a telescopic tripod 1, and comprises a deformation internal expansion type tool 2 for fixing a probe of a smoke analyzer and a fixing device 3 for fixing a probe handle of the smoke analyzer, wherein the deformation internal expansion type tool 2 comprises an expansion tire seat 21 and a tensioning nut 22, an expansion tire 23 is arranged on the expansion tire seat 21, the expansion tire seat 21 is spirally embedded into one end of the tensioning nut 22, a dust cover 24 is arranged at the tail end of the expansion tire seat 21 in a spiral sleeve mode, and the dust cover 24 is arranged at the other end of the tensioning nut 22; fixing device 3 includes scalable tripod 1, it is fixed with scalable bracing piece 31 to inlay on scalable tripod 1, scalable bracing piece 31 end is provided with adjustable U-shaped piece 4 that is used for fixed flue gas analyzer probe handle. Make through placing boiler afterbody flue with modification internal expanding formula frock 2 on surveying the hole, clockwise rotation tensioning nut 22, make child 23 and pipeline fixed that rises, after fixed, then pass child 23 that rises with flue gas analyzer's probe and reach the fixed sampling tube of shield 24 of clockwise screwing after using the position, inspection type internal expanding formula frock 2 and probe tight fit back, modification internal expanding formula frock 2 assembly is accomplished, again through placing flue gas analyzer's rear end handle on adjustable U-shaped piece 4 and fix, adjustable U-shaped piece 4 is screwed, fix flue gas analyzer's probe, the staff can begin to detect.

The tire 23 and the tire seat 21 of the present invention are both the prior art, and the material of the tire 23 can be rubber, and is an elastic tire, but not limited thereto, and those skilled in the art can clearly understand this, and will not be described in detail here.

The utility model provides a scalable bracing piece 31 and scalable tripod 1's total height all can be adjusted at will, and the flexible locking structure that all is current stretches out and draws back, and the technical personnel in the field have can clearly understand, do not carry out the detailed description here, just the utility model protects a flue gas analyzer test process's auxiliary device's structure.

As shown in fig. 3 and 4, in an embodiment of the present invention, the adjustable U-shaped block 4 includes a fixing frame 41, bearings (not shown) are embedded in the middle of the left and right horizontal rods of the fixing frame 41, the bearing outer bearing is connected to the fixing frame 41, and a clamping assembly for clamping and fixing the flue gas analyzer is fixed in the fixing frame 41.

Please continue to refer to fig. 3 and 4, in an embodiment of the present invention, the clamping assembly includes a threaded rod 42, the bearing inner bearing is connected and provided with the threaded rod 42, the threaded rod 42 is spirally provided with a limiting block 43 (the inner bearing of the bearing rotates, the outer bearing is fixed), and the limiting block 43 is arranged in the fixed frame 41, the front and rear surfaces of the fixed frame 41 are all provided with a guide rail groove 44, the front and rear of the lower end of the limiting block 43 are all provided with a movable convex portion 45 embedded in the guide rail groove 44, and the front end of the threaded rod 42 is provided with a rotating block 46 for screwing the threaded rod 42. The worker can drive the threaded rod 42 to rotate in the inner bearing of the bearing through the rotating and rotating block, the threaded rod 42 can drive the limiting block 43 to rotate while rotating, and the moving block 43 can move left and right in the guide rail groove 44 under the driving of the threaded rod 42 due to the fact that the moving convex portion 45 is limited in the guide rail groove 44.

The utility model provides an adjustable U-shaped piece 4 can bear 15KG weight material, uses the aluminum alloy preparation, and the connecting piece is high strength material, and adjusts for locking, and this locking is adjusted and is prior art, does not explain here in detail.

The utility model discloses a theory of operation: when the tool is used, the deformation internal expansion type tool is placed on a measuring hole of a boiler tail flue, and the tensioning nut is rotated clockwise to fix the expansion tire and the pipeline; pass the fixed sampling tube of shield clockwise after the internal-expanding frock of variant reaches the position of use with flue gas analyzer 340's probe, inspection internal-expanding frock of variant and probe tight fit back, the frock assembly is accomplished, when detecting, pressure in order to prevent the flue is too big, impact probe, place on adjustable U-shaped piece through the handle with the probe rear end, the rotation threaded rod, make the stopper of can screwing, fix scalable tripod, begin to detect, detect the completion back, counter-clockwise turning tensioning nut, the child that rises unclamps with the pipeline promptly, the test is ended, extract flue gas analyzer.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims (3)

1. The utility model provides a flue gas analyzer testing process's auxiliary device, includes scalable tripod, its characterized in that: the smoke analyzer comprises a deformation internal expansion type tool for fixing a probe of a smoke analyzer and a fixing device for fixing a probe handle of the smoke analyzer, wherein the deformation internal expansion type tool comprises an expansion tire seat and a tensioning nut, an expansion tire is arranged on the expansion tire seat, the expansion tire seat is spirally embedded into one end of the tensioning nut, a dustproof cover is arranged at the tail end of the expansion tire seat in a spiral sleeve mode, and the dustproof cover is arranged at the other end of the tensioning nut; the fixing device comprises a telescopic tripod, a telescopic supporting rod is fixedly embedded on the telescopic tripod, and an adjustable U-shaped block used for fixing a probe handle of the flue gas analyzer is arranged at the tail end of the telescopic supporting rod.

2. The auxiliary device for the testing process of the smoke analyzer as claimed in claim 1, wherein: the adjustable U-shaped block comprises a fixed frame, bearings are embedded in the middle of the left cross rod and the right cross rod of the fixed frame, the outer bearings of the bearings are connected with the fixed frame, and a clamping assembly used for clamping and fixing the flue gas analyzer is fixed in the fixed frame.

3. The auxiliary device for the testing process of the smoke analyzer as claimed in claim 2, wherein: the clamping component comprises a threaded rod, the bearing is connected in the bearing and is provided with the threaded rod, the screw is provided with a limiting block on the threaded rod, the limiting block is arranged in the fixing frame, a guide rail groove is formed in the front surface and the rear surface in the fixing frame, embedding is arranged around the lower end of the limiting block in the movable convex part in the guide rail groove, and the front end of the threaded rod is provided with a rotating block for the threaded rod.

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