CN212618422U

CN212618422U - Boiler operation oxygen volume monitoring devices

Info

Publication number: CN212618422U
Application number: CN202021105758.9U
Authority: CN
Inventors: 李寅佳; 马文杰; 李大伟
Original assignee: Inner Mongolia Shangdu Power Generation Co Ltd
Current assignee: Inner Mongolia Shangdu Power Generation Co Ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-02-26
Anticipated expiration: 2030-06-15

Abstract

The utility model belongs to the technical field of boiler operation monitoring, in particular to a boiler operation oxygen amount monitoring device, which comprises a flue, a monitoring device body and a probe rod communicated with a connecting pipe at the side of the monitoring device body and the other end of the connecting pipe, wherein the outer side of the probe rod is fixedly connected with a limiting block, the probe rod penetrates through the limiting block, the limiting block penetrates through the flue, the limiting block is connected with the flue in a sliding way, and the inner side of the limiting block is connected with a limiting rod longitudinally penetrating through the limiting block in a sliding way; make the stopper remove smoothly, when the stopper installation targets in place, the flue pipe wall is crossed to the short arm of gag lever post, and the spring action of spring makes the gag lever post reset this moment to fix the stopper, accomplished the installation to the probe pole promptly, when dismantling, the user only need slide the gag lever post to the direction towards the probe pole, can pull down the probe pole from the flue, compare in traditional bolt fastening, the loading and unloading is labour saving and time saving very.

Description

Boiler operation oxygen volume monitoring devices

Technical Field

The utility model belongs to the technical field of boiler operation monitoring, concretely relates to boiler operation oxygen volume monitoring devices.

Background

The oxygen quantity of boiler operation is one of the key parameters of stable, efficient and economic operation of the boiler, the change of the oxygen quantity of operation can influence the change of the heat loss of the boiler exhaust smoke, and simultaneously can cause the change of carbon content of unburned ash and ash, the temperature of the exhaust smoke and the power consumption of a draught fan, so that the accurate oxygen quantity parameter is an important basis for the boiler operator to adjust the operation of the boiler.

However, the probe rod of the existing oxygen amount monitoring device needs to be cleaned regularly to ensure the accuracy of oxygen amount monitoring, and the probe rod of the existing flue monitoring device is fixed on a flue pipe by using a plurality of groups of bolts, so that time and labor are wasted in disassembling and assembling the probe rod, and the probe rod is inconvenient for users to use; moreover, the probe rod of the existing oxygen amount detection device adopts a built-in ceramic filter element to filter flue gas, if impurities contained in the flue gas are large, the situation that the probe rod is blocked is very easy to occur after the impurities enter the probe rod, and the dredging is very troublesome.

In order to solve the problems, the application provides a boiler operation oxygen amount monitoring device.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a boiler operation oxygen volume monitoring devices has the installation of being convenient for, dismantles the probe pole and avoids appearing the characteristics that the probe pole blockked up.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a boiler operation oxygen volume monitoring devices, includes flue, monitoring devices body and communicates the probe pole at the connecting pipe of monitoring devices body side and the other end intercommunication of connecting pipe, the outside fixedly connected with stopper of probe pole, the probe pole runs through the stopper, the stopper runs through the flue, the stopper with flue sliding connection, the inboard sliding connection of stopper has the gag lever post that vertically runs through the stopper, one side fixedly connected with spring that the gag lever post is close to the probe pole, the other end and the stopper fixed connection of spring, gag lever post and flue sliding connection, the shell has been cup jointed to the induction port of probe pole, the bottom face of shell is provided with the filter screen.

As the utility model relates to a boiler operation oxygen content monitoring devices is preferred, the sealing washer has been cup jointed in the stopper outside, sealing washer and stopper sliding connection, the sealing washer block is in the ring channel that the stopper outside was seted up, the sealing washer with flue sliding connection.

As the utility model relates to a boiler operation oxygen volume monitoring devices is preferred, the gag lever post is "L" type setting, the forearm one end of gag lever post is the inclined plane setting.

As the utility model relates to a boiler operation oxygen volume monitoring devices is preferred, the gag lever post with the spring has constituted limit structure, limit structure is total two sets of, two sets of limit structure with the probe pole is symmetrical point symmetric distribution and is in on the stopper.

As the utility model relates to a boiler operation oxygen volume monitoring devices is preferred, the outside screwed connection of shell has the screw thread axle, the screw thread axle runs through the shell, the screw thread axle is close to the one end of probe pole is rotated and is connected with the slider, the slider with probe pole sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. gag lever post and spring have constituted limit structure, make the user when installing the probe pole, only need aim at the mounting hole of flue with the stopper, then with install the stopper insert the mounting hole of flue can, because the forearm one end of gag lever post is the inclined plane setting, can receive the extrusion to slide and compression spring towards the direction of probe pole when making the gag lever post contact with the flue, make the stopper remove smoothly, when the stopper is installed in place, the forearm of gag lever post crosses the flue pipe wall, the spring action of spring makes the gag lever post reset this moment, thereby fix the stopper, the installation to the probe pole has been accomplished promptly, when dismantling, the user only needs slide the gag lever post to the direction towards the probe pole, can pull down the probe pole from the flue, compare in traditional bolt fastening, loading and unloading are labour saving and time saving.

2. Through shell and the filter screen that the suction inlet department at the probe pole set up, accomplished the filtration to the bold impurity in the flue gas promptly outside the probe pole, avoid appearing the condition that impurity blockked up the probe pole, user's accessible rotation screw shaft makes the mode that slider and probe pole break away from the contact separate shell and probe pole moreover to be convenient for clear up the filter screen.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of a position a in fig. 1 according to the present invention;

fig. 3 is a schematic structural diagram of fig. 1 at B in the present invention;

in the figure:

1. a flue;

2. a monitoring device body; 21. a connecting pipe; 22. a probe stem;

3. a limiting block; 31. a seal ring; 32. a limiting rod; 33. a spring;

4. a housing; 41. filtering with a screen; 42. a threaded shaft; 43. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, 2 and 3;

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic structural diagram of the position B in fig. 1 of the present invention.

The utility model provides a boiler operation oxygen volume monitoring devices, including flue 1, monitoring devices body 2 and the probe pole 22 that communicates at the connecting pipe 21 of 2 sides of monitoring devices body and the other end intercommunication of connecting pipe 21, the outside fixedly connected with stopper 3 of probe pole 22, probe pole 22 runs through stopper 3, stopper 3 runs through flue 1, stopper 3 and 1 sliding connection of flue, stopper 3's inboard sliding connection has the gag lever post 32 that vertically runs through stopper 3, one side fixedly connected with spring 33 that gag lever post 32 is close to probe pole 22, the other end and stopper 3 fixed connection of spring 33,

gag lever post

32 and 1 sliding connection of flue, shell 4 has been cup jointed to the induction port of probe pole 22, the bottom face of shell 4 is provided with filter screen 41.

It should be noted that: the utility model discloses well monitoring devices body 2 is flue oxygen analyzer, and its specific model is HG83-ZO, and probe rod 22 extracts the flue gas that contains oxygen, makes it pass through the oxygen electrochemical sensor in the monitoring devices body 2, detects out the instantaneous concentration of oxygen, simultaneously according to the oxygen concentration that detects, converts out the air excess coefficient.

In this embodiment: the limiting rod 32 and the spring 33 form a limiting structure, so that when a user installs the probe rod 22, the user only needs to align the limiting block 3 with the installation hole of the flue 1, and then the device limiting block 3 is inserted into the installation hole of the flue 1, because one end of the short arm of the limiting rod 32 is arranged in an inclined plane, the limiting rod 32 is extruded to slide towards the direction of the probe rod 22 when contacting the flue 1 and compress the spring 33, so that the limiting block 3 moves smoothly, when the limiting block 3 is installed in place, the short arm of the limiting rod 32 passes over the pipe wall of the flue 1, at the moment, the elastic force of the spring 33 resets the limiting rod 32, so that the limiting block 3 is fixed, namely, the installation of the probe rod 22 is completed, when the user dismantles, the user only needs to slide the limiting rod 32 towards the direction of the probe rod 22, the probe rod 22 can be dismantled from the flue 1, compared with the traditional bolt fixing, the assembling, when the device is operated, the shell 4 and the filter screen 41 which are arranged at the air suction port of the probe rod 22 are used for filtering large impurities in flue gas outside the probe rod 22, the situation that the probe rod 22 is blocked by the impurities is avoided, and the shell 4 and the probe rod 22 are separated in a mode that the slider 43 is separated from the probe rod 22 by rotating the threaded shaft 42 by a user, so that the filter screen 41 is convenient to clean.

As shown in fig. 2;

fig. 2 is a schematic structural diagram of a in fig. 1 of the present invention.

In an optional embodiment, a sealing ring 31 is sleeved on the outer side of the limiting block 3, the sealing ring 31 is slidably connected with the limiting block 3, the sealing ring 31 is clamped in an annular groove formed in the outer side of the limiting block 3, and the sealing ring 31 is slidably connected with the flue 1.

In this embodiment: after the limiting block 3 is fixed together with the flue 1, the joint between the limiting block 3 and the outer wall of the flue 1 is sealed by the sealing ring 31, so that air leakage from the joint is avoided.

As shown in fig. 2;

In an alternative embodiment, the stop lever 32 is in an "L" shape, and the short arm of the stop lever 32 is beveled at one end.

In this embodiment: because the short arm end of the limiting rod 32 is arranged in an inclined plane, the limiting rod 32 can be extruded to slide towards the probe rod 22 when contacting with the flue 1 and compress the spring 33, so that the limiting block 3 can move smoothly.

As shown in fig. 2;

In an alternative embodiment, the limiting rods 32 and the springs 33 form limiting structures, and the limiting structures are divided into two groups, and the two groups of limiting structures are symmetrically distributed on the limiting block 3 by taking the probe rod 22 as a symmetrical point.

In this embodiment: the two groups of limiting structures which are symmetrically arranged are convenient for fixing the limiting block 3 and the flue 1 firmly.

As shown in fig. 3;

In an alternative embodiment, a threaded shaft 42 is screwed on the outer side of the casing 4, the threaded shaft 42 penetrates through the casing 4, one end of the threaded shaft 42 close to the probe rod 22 is rotatably connected with a slide block 43, and the slide block 43 is connected with the probe rod 22 in a sliding mode.

In this embodiment: the user may separate the housing 4 from the probe shaft 22 by rotating the threaded shaft 42 to disengage the slide 43 from the probe shaft 22, thereby facilitating cleaning of the screen 41.

The utility model discloses a theory of operation and use flow: all electrical appliances in the device are powered by an external power supply, the limiting rod 32 and the spring 33 form a limiting structure, so that when a user installs the probe rod 22, the user only needs to align the limiting block 3 with a mounting hole of the flue 1 and then insert the device limiting block 3 into the mounting hole of the flue 1, because one end of the short arm of the limiting rod 32 is arranged in an inclined plane, the limiting rod 32 can be extruded to slide towards the direction of the probe rod 22 and compress the spring 33 when contacting with the flue 1, so that the limiting block 3 can move smoothly, when the limiting block 3 is installed in place, the short arm of the limiting rod 32 passes over the pipe wall of the flue 1, at the moment, the elastic force of the spring 33 enables the limiting rod 32 to reset, so that the limiting block 3 is fixed, namely, the installation of the probe rod 22 is completed, when the probe rod is disassembled, the user only needs to slide the limiting rod 32 towards the direction of the probe rod 22, so, compared with the traditional bolt fixing, the device is time-saving and labor-saving in assembly and disassembly, when the device is operated, large impurities in smoke are filtered outside the probe rod 22 through the shell 4 and the filter screen 41 arranged at the air suction port of the probe rod 22, the situation that the probe rod 22 is blocked by the impurities is avoided, the probe rod 22 extracts the smoke containing oxygen, the smoke passes through an oxygen electrochemical sensor in the monitoring device body 2, the instantaneous concentration of the oxygen is detected, meanwhile, the excess air coefficient is converted according to the detected oxygen concentration, a user can separate the shell 4 from the probe rod 22 in a mode that the sliding block 43 is separated from the probe rod 22 through rotating the threaded shaft 42, and therefore the filter screen 41 is convenient to clean.

Claims

1. The utility model provides a boiler operation oxygen volume monitoring devices, includes flue (1), monitoring devices body (2) and communicates probe pole (22) at connecting pipe (21) and the other end intercommunication of connecting pipe (21) of monitoring devices body (2) side, its characterized in that: the utility model discloses a cigarette end cap, including probe rod (22), stopper (3) run through outside fixedly connected with stopper (3) of probe rod (22), probe rod (22) run through stopper (3), stopper (3) run through flue (1), stopper (3) with flue (1) sliding connection, the inboard sliding connection of stopper (3) has stopper rod (32) that vertically runs through stopper (3), one side fixedly connected with spring (33) that stopper rod (32) are close to probe rod (22), the other end and stopper (3) fixed connection of spring (33), stopper rod (32) and flue (1) sliding connection, shell (4) have been cup jointed to the induction port of probe rod (22), the bottom face of shell (4) is provided with filter screen (41).

2. The device for monitoring the oxygen content in the boiler operation according to claim 1, wherein: the outer side of the limiting block (3) is sleeved with a sealing ring (31), the sealing ring (31) is connected with the limiting block (3) in a sliding mode, the sealing ring (31) is clamped in an annular groove formed in the outer side of the limiting block (3), and the sealing ring (31) is connected with the flue (1) in a sliding mode.

3. The device for monitoring the oxygen content in the boiler operation according to claim 1, wherein: the limiting rod (32) is arranged in an L shape, and one end of a short arm of the limiting rod (32) is arranged in an inclined plane.

4. The device for monitoring the oxygen content in the boiler operation according to claim 1, wherein: the limiting rod (32) and the spring (33) form limiting structures, the limiting structures are two groups in total, and the limiting structures are symmetrically distributed on the limiting block (3) by taking the probe rod (22) as a symmetrical point.

5. The device for monitoring the oxygen content in the boiler operation according to claim 1, wherein: the outer side of the shell (4) is spirally connected with a threaded shaft (42), the threaded shaft (42) penetrates through the shell (4), one end, close to the probe rod (22), of the threaded shaft (42) is rotatably connected with a sliding block (43), and the sliding block (43) is in sliding connection with the probe rod (22).