CN219084816U

CN219084816U - Zirconia oxygen analyzer

Info

Publication number: CN219084816U
Application number: CN202320164252.2U
Authority: CN
Inventors: 陈伟; 马慧
Original assignee: Shanghai Jiayan Automation Equipment Co ltd
Current assignee: Shanghai Jiayan Automation Equipment Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-05-26
Anticipated expiration: 2033-02-09

Abstract

The application belongs to the technical field of oxygen analyzers, and discloses a zirconia oxygen analyzer which comprises a display instrument, a guide pipe connected with the display instrument and a flange plate fixedly sleeved on the outer side of the guide pipe, wherein an oxygen detector is fixed in the guide pipe, and a filter screen is arranged at the position, far away from one side of the display instrument, of the inner wall of the guide pipe; the steam blowing pipe is fixed with the guide pipe in a penetrating mode, and one end, far away from the guide pipe, of the steam blowing pipe is connected with a steam connecting pipe. In this application, after zirconia oxygen analyzer used a period of time, for preventing to block up because of the mesh on the filter screen, the staff only need take over steam and steam sweeps the union coupling, through carrying out steam to the pipe inside and sweeping, can make the mesh on the filter screen clear up and dredge for the air current is unobstructed, so that zirconia oxygen analyzer carries out normal oxygen content and detects work.

Description

Zirconia oxygen analyzer

Technical Field

The utility model relates to the technical field of oxygen analyzers, in particular to a zirconia oxygen analyzer.

Background

The zirconia oxygen analyzer is used for quickly and correctly detecting and analyzing the oxygen content of flue gas generated in the combustion process of combustion equipment such as boilers, kilns, heating furnaces and the like on line so as to realize low-oxygen combustion control, thereby achieving the purposes of saving energy and reducing environmental pollution. The zirconia oxygen analyzer consists of oxygen detector and display instrument, and the detector is made of high temperature and corrosion resisting material and may be inserted into flue directly for oxygen measurement.

The utility model discloses a zirconia oxygen analyzer device of difficult ponding that forms in chinese patent of publication No. CN217084787U, includes the square, the bottom fixed mounting of square has first pipe, the fixed ring flange that has cup jointed of surface of first pipe, the inside fixed mounting of first pipe has the probe, the internal surface fixed mounting of first pipe has the hot plate, the inside fixed mounting of hot plate has the detection room, first guiding gutter has been seted up to the internal surface of first pipe, the second guiding gutter has been seted up to the bottom of first pipe internal surface, the outlet has been seted up to the left end of second guiding gutter. The bottom of first pipe is equipped with the commentaries on classics board, the inside both sides of commentaries on classics board all are equipped with the filter screen, the surface fixed mounting of first pipe has the fixed block, the bottom fixed mounting of fixed block has the montant.

In the above-mentioned scheme, in order to prevent to block up because of the filter screen and designed rotating plate and montant, through rotating the rotating plate for the rotating plate uses the montant to rotate as the axle center, thereby makes the filter screen of first pipe bottom be replaced new, the applicant thinks that when using, zirconia oxygen analyzer's pipe should be located the furnace body inside, through rotating the operation that the montant was changed with the filter screen through the rotating plate, move back one step, even can realize changing the operation of filter screen, but the filter screen should also be close to the furnace body, the temperature is higher, staff carries out corresponding operation and probably has danger.

Disclosure of Invention

In order to solve the problems, the utility model provides a zirconia oxygen analyzer which can safely clean a filter screen which is blocked, so that air flow is normal, and the zirconia oxygen analyzer can perform corresponding detection work.

The technical aim of the utility model is realized by the following technical scheme: the zirconia oxygen analyzer comprises a display instrument, a guide pipe connected with the display instrument and a flange fixedly sleeved on the outer side of the guide pipe, wherein an oxygen detector is fixed in the guide pipe, and a filter screen is arranged at the position, far away from one side of the display instrument, of the inner wall of the guide pipe;

the steam blowing pipe is fixed with the guide pipe in a penetrating mode, and one end, far away from the guide pipe, of the steam blowing pipe is connected with a steam connecting pipe.

Through adopting above-mentioned technical scheme, after zirconia oxygen analyzer used a period of time, in order to prevent to block up because of the mesh on the filter screen, the staff only need be connected steam takeover and steam purge equipment, is connected steam takeover and steam purge pipe afterwards, through carrying out steam to the pipe inside and blowing, can make the mesh on the filter screen clear up and dredge for the air current is unobstructed, so that zirconia oxygen analyzer carries out normal oxygen content detection work.

Further, one end of the steam purging pipe away from the steam connecting pipe extends towards one side close to the filter screen.

By adopting the technical scheme, the filter screen is smoothly cleaned by the steam blown out from the steam blowing pipe.

Further, the one end that steam takeover outer wall is close to the pipe is fixed with the stopper, steam sweeps the position that pipe inner wall kept away from pipe one side and has offered the annular groove that is used for holding the stopper, steam sweeps the one end that pipe kept away from the pipe and has offered the opening that supplies the stopper to pass and communicate with annular groove, be provided with ring seal in the annular groove, ring seal keeps away from the surface of pipe one side and steam takeover and is close to the surface butt of pipe one side.

Through adopting above-mentioned technical scheme, steam takeover and steam purge tube connection back, the surface that pipe one side was kept away from to ring seal and the surface that steam takeover is close to pipe one side support tightly, and the lateral wall of stopper both sides supports tightly with ring seal surface and annular groove inner wall respectively to this leakproofness of being connected between steam takeover and the steam purge tube has been strengthened, is favorable to improving the efficiency that steam carries out steam purge clearance to the filter screen.

Further, the inner wall of one side of the annular groove far away from the catheter is provided with a positioning groove matched with the limiting block in a clamping manner.

Through adopting above-mentioned technical scheme, constant head tank and stopper joint cooperation are favorable to preventing that steam from taking over free rotation to improve the stability of being connected between steam take over and the steam purging pipe.

Further, the steam connecting pipe outer wall fixing sleeve is provided with an annular anti-slip strip.

Through adopting above-mentioned technical scheme, the setting of annular antislip strip has strengthened the frictional force between staff's hand and the steam takeover outer wall, has reduced the probability that the staff takes place to skid when pushing the steam takeover towards one side of pipe.

Further, a high-temperature-resistant sealant layer is arranged at the intersection between the outer wall of the steam purging pipe and the outer wall of the guide pipe.

Through adopting above-mentioned technical scheme, high temperature resistant sealant layer is that high temperature resistant glue solidifies and forms, and high temperature resistant glue coats in the steam and sweeps the intersection department between pipe outer wall and the pipe outer wall, has strengthened the leakproofness that is connected between pipe outer wall and the pipe outer wall is swept to the steam, has improved the degree of accuracy of the leakproofness and the oxygen content testing result of zirconia oxygen analyzer.

In summary, the utility model has the following beneficial effects:

in the application, after the zirconia oxygen analyzer is used for a period of time, in order to prevent the mesh on the filter screen from being blocked, a worker only needs to connect the steam connecting pipe with the steam purging device and then connect the steam connecting pipe with the steam purging device, and the mesh on the filter screen can be cleaned and dredged by purging the inside of the guide pipe with steam, so that the zirconia oxygen analyzer has smooth air flow, and is convenient for normal oxygen content detection work;

in the application, one end of the steam purging pipe far away from the steam connecting pipe extends towards one side close to the filter screen, so that the filter screen is smoothly cleaned by steam blown out of the steam purging pipe;

in this application, the setting of annular antislip strip has strengthened the frictional force between staff's hand and the steam takeover outer wall, has reduced the probability that takes place to skid when the staff promotes one side of steam takeover towards the pipe.

Drawings

FIGS. 1 and 2 are schematic views of the overall structure of embodiments of the present utility model;

FIG. 3 is a partial cross-sectional view of an embodiment of the present utility model;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

fig. 5 is a schematic view of a partial explosion structure of an embodiment of the present utility model.

In the figure: 1. displaying the instrument; 2. a conduit; 3. a flange plate; 4. an oxygen amount detector; 5. a filter screen; 6. a steam purge tube; 61. an annular groove; 62. a through port; 63. a positioning groove; 7. a steam connection pipe; 71. a limiting block; 72. an annular anti-slip strip; 8. an annular seal ring; 9. high temperature resistant sealant layer.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is apparent that the described embodiments are only a part of the embodiments of the present application, not all of the embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the scope of protection of the present application.

As shown in fig. 1-5, the embodiment of the application discloses a zirconia oxygen analyzer, which comprises a display instrument 1, a conduit 2 connected with the display instrument 1 and a flange plate 3 fixedly sleeved on the outer side of the conduit 2. An oxygen detector 4 is fixed in the guide pipe 2, a filter screen 5 is arranged at a position, far away from one side of the display instrument 1, of the inner wall of the guide pipe 2 and is used for filtering flue gas entering the guide pipe 2, and large-particle dust is prevented from being distributed on the oxygen detector 4 to influence the follow-up detection precision.

The conduit 2 is penetrated and provided with a steam purging pipe 6 fixed with the conduit 2, and one end of the steam purging pipe 6 far away from the conduit 2 is connected with a steam connecting pipe 7. Specifically, the one end that steam takeover 7 outer wall is close to pipe 2 is fixed with stopper 71, and steam sweeps the position of pipe 6 inner wall and keeps away from pipe 2 one side and has offered the annular groove 61 that is used for holding stopper 71, and steam sweeps the one end that pipe 6 kept away from pipe 2 and has offered the opening 62 that supplies stopper 71 to pass and communicate with annular groove 61, is provided with annular seal 8 in the annular groove 61, and annular seal 8 is kept away from the surface of pipe 2 one side and steam takeover 7 and is close to the surface of pipe 2 one side and support tightly. After the steam connecting pipe 7 is connected with the steam purging pipe 6, the surface of one side of the annular sealing ring 8, which is far away from the guide pipe 2, is abutted against the surface of one side of the steam connecting pipe 7, which is close to the guide pipe 2, and the side walls of two sides of the limiting block 71 are respectively abutted against the surface of the annular sealing ring 8 and the inner wall of the annular groove 61, so that the tightness of connection between the steam connecting pipe 7 and the steam purging pipe 6 is enhanced, and the efficiency of steam purging and cleaning of the filter screen 5 by steam is improved. After the zirconia oxygen analyzer used for a period of time, in order to prevent to block up because of the mesh on the filter screen 5, the staff only need be connected steam takeover 7 with steam purge equipment, is connected steam takeover 7 with steam purge pipe 6 afterwards, through carrying out steam purge to pipe 2 inside, can make the mesh on the filter screen 5 clear up and dredge for the air current is unobstructed, so that zirconia oxygen analyzer carries out normal oxygen content detection work.

To enhance the purging effect on the filter screen 5, the end of the steam purge pipe 6 remote from the steam nipple 7 extends towards the side close to the filter screen 5. For improving the stability of being connected between steam takeover 7 and steam purge pipe 6, annular groove 61 has seted up with stopper 71 joint complex constant head tank 63 in keeping away from the inner wall of pipe 2 one side, is favorable to preventing steam takeover 7 free rotation to make firm connection between steam takeover 7 and the steam purge pipe 6. For the staff of being convenient for promote steam takeover 7 towards the one side that is close to pipe 2, steam takeover 7 outer wall fixed cover is equipped with annular antislip strip 72, and annular antislip strip 72 has reduced the probability that the staff took place to skid in-process that promotes steam takeover 7. For improving the leakproofness of being connected between steam purge pipe 6 and pipe 2, the intersection department between steam purge pipe 6 outer wall and the pipe 2 outer wall is provided with high temperature resistant sealant layer 9, and high temperature resistant sealant layer 9 is that high temperature resistant glue solidifies and forms, and high temperature resistant glue coats in the intersection department between steam purge pipe 6 outer wall and the pipe 2 outer wall, has strengthened the leakproofness of being connected between steam purge pipe 6 outer wall and the pipe 2 outer wall, has improved the leakproofness of zirconia oxygen analysis appearance and the degree of accuracy of oxygen content testing result.

The use principle of the zirconia oxygen analyzer in the embodiment is as follows: after the zirconia oxygen analyzer used for a period of time, in order to prevent to block up because of the mesh on the filter screen 5, the staff only need be connected steam takeover 7 with steam purge equipment, is connected steam takeover 7 with steam purge pipe 6 afterwards, through carrying out steam purge to pipe 2 inside, can make the mesh on the filter screen 5 clear up and dredge for the air current is unobstructed, so that zirconia oxygen analyzer carries out normal oxygen content detection work.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a zirconia oxygen analyzer, includes display instrument (1), pipe (2) and fixed cover that are connected with display instrument (1) locate ring flange (3) in the pipe (2) outside, pipe (2) internal fixation has oxygen volume detector (4), the position that display instrument (1) one side was kept away from to pipe (2) inner wall is provided with filter screen (5), characterized by:

the steam blowing pipe (6) fixed with the guide pipe (2) is arranged on the guide pipe (2) in a penetrating mode, and one end, far away from the guide pipe (2), of the steam blowing pipe (6) is connected with a steam connecting pipe (7).

2. The zirconia oxygen analyzer of claim 1, wherein: the end of the steam purging pipe (6) far away from the steam connecting pipe (7) extends towards one side close to the filter screen (5).

3. A zirconia oxygen analyzer according to claim 2, wherein: the steam purging pipe (6) is characterized in that a limiting block (71) is fixed at one end, close to the guide pipe (2), of the outer wall of the steam purging pipe (7), an annular groove (61) for accommodating the limiting block (71) is formed in the position, far away from the guide pipe (2), of the inner wall of the steam purging pipe (6), a through hole (62) for the limiting block (71) to penetrate through and be communicated with the annular groove (61) is formed in one end, far away from the guide pipe (2), of the steam purging pipe (6), and an annular sealing ring (8) is arranged in the annular groove (61), and the surface, far away from the guide pipe (2), of the annular sealing ring (8) abuts against the surface, close to the guide pipe (2), of the steam purging pipe (7).

4. A zirconia oxygen analyzer according to claim 3, wherein: the inner wall of one side of the annular groove (61) far away from the guide pipe (2) is provided with a positioning groove (63) which is in clamping fit with the limiting block (71).

5. The zirconia oxygen analyzer of claim 4 wherein: an annular anti-slip strip (72) is fixedly sleeved on the outer wall of the steam connecting pipe (7).

6. The zirconia oxygen analyzer of claim 5 wherein: the intersection between the outer wall of the steam purging pipe (6) and the outer wall of the guide pipe (2) is provided with a high-temperature-resistant sealant layer (9).