CN217953531U

CN217953531U - Detector for monitoring blockage condition of air preheater

Info

Publication number: CN217953531U
Application number: CN202222479132.XU
Authority: CN
Inventors: 陈晓东
Original assignee: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Current assignee: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2022-12-02
Anticipated expiration: 2032-09-19

Abstract

The utility model relates to an air heater technical field just discloses a detector for monitoring air heater jam condition, including the pre-heater body, one side fixedly connected with of pre-heater body advances the tobacco pipe, one side fixedly connected with of pre-heater body discharges fume the pipe, one side fixedly connected with intake pipe of pre-heater body, one side fixedly connected with blast pipe of pre-heater body, the interior diapire of the pipe of discharging fume has seted up the matching groove, the inside swing joint in matching groove has the movable block, the top fixedly connected with fly leaf of movable block, the through-hole has been seted up to the inside of fly leaf. This a detector for monitoring air heater jam condition can be so that this detector has good detection effect, through the carminative pressure value that detects air heater inside, learns inside jam condition, and labour saving and time saving reduces operating personnel's the work load and the work degree of difficulty to make the practicality of this detector obtain certain promotion.

Description

Detector for monitoring blockage condition of air preheater

Technical Field

The utility model relates to an air heater technical field specifically is a detector for monitoring air heater blocks up the condition.

Background

The air preheater is a heating surface for preheating air before entering the boiler to a certain temperature by smoke in a flue at the tail part of the boiler through internal radiating fins, and is equipment for improving the heat exchange performance of the boiler and reducing energy consumption. Air preheaters are generally classified into plate, rotary and tubular types. Wherein the presence of a blockage therein is detected during use of the air preheater

The following problems exist in the prior art:

1. in the prior art, the detector for monitoring the blockage condition of the air preheater needs operators to prepare the running light and the rubber water pipe firstly, open the manhole door and detect the interior of the air preheater, so that the workload of the operators is increased, and certain difficulty exists at the same time, which is not beneficial to practicality;

2. a detector for monitoring the blockage condition of an air preheater in the prior art does not add a heat conduction mechanism to a pipeline at an air inlet, so that the temperature of air entering the air preheater is lower, and the problem of low-temperature corrosion and dust deposition is more serious. The low temperature at the cold end of the air preheater causes the water vapor or the sulfuric acid vapor in the flue gas to condense on the pipe wall, so that the fly ash is bonded to form low-temperature bonded ash, and the problem of internal blockage of the air preheater is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a detector for monitoring air heater blocks up the condition possesses advantages such as detection effect is good, has solved the problem among the above-mentioned background art.

(II) technical scheme

For realizing the above-mentioned purpose that detection effect is good, the utility model provides a following technical scheme: the utility model provides a detector for monitoring air heater blocks up the condition, includes the pre-heater body, one side fixedly connected with of pre-heater body advances the tobacco pipe, one side fixedly connected with of pre-heater body discharges fume the pipe, one side fixedly connected with intake pipe of pre-heater body, one side fixedly connected with blast pipe of pre-heater body, the interior diapire of the pipe of discharging fume has seted up the matching groove, the inside swing joint in matching groove has the movable block, the top fixedly connected with fly leaf of movable block, the through-hole has been seted up to the inside of fly leaf, the spacing cover of one side fixedly connected with of fly leaf.

The utility model discloses a spacing cover of air heater, including spacing cover, inside wall fixedly connected with pressure sensor, pressure sensor's one side fixedly connected with spring, the one end fixedly connected with connecting plate of spring, logical groove has been seted up to one side of fly leaf, the top fixedly connected with connecting rod of fly leaf, the top fixedly connected with turning handle of connecting rod, the outer wall swing joint of connecting rod has the sealing washer, the positive fixedly connected with controller of pre-heater body can make this detector have good detection effect, through the carminative pressure value of detecting air pre-heater inside, learns the inside jam condition, labour saving and time saving reduces operating personnel's the work load and the work degree of difficulty to make the practicality of this detector obtain certain promotion.

Preferably, the shape and size of the matching groove and the shape and size of the movable block are matched with each other, and the movable plate is movably connected with the smoke exhaust pipe through the matching groove and the movable block, so that the movable plate can move conveniently.

Preferably, the outer wall fixedly connected with heat pipe of intake pipe, the outer wall fixedly connected with heated board of heat pipe, the inside fixedly connected with filler of heated board is convenient for preheat earlier the inside air that gets into air heater, reduces the difference in temperature, reduces the problem of low temperature corrosion deposition to effectively reduce the inside jam condition of air heater.

Preferably, the shape and size of the heat insulation plate are matched with those of the air inlet pipe, and the heat insulation plate is fixedly connected with the air inlet pipe, so that heat insulation of the heat conducting pipe is facilitated.

Preferably, the shape and size of through-hole all match each other with the shape and size of spring, and the fly leaf passes through-hole and spring swing joint, the activity of the spring of being convenient for.

Preferably, the shape and size of the through grooves are matched with those of the connecting plate, and the movable plate is movably connected with the connecting plate through the through grooves, so that the connecting plate can be attached to the movable plate conveniently.

Preferably, the connecting rod runs through the inside of the smoke exhaust pipe and extends to the top end of the smoke exhaust pipe, and the connecting rod is movably connected with the smoke exhaust pipe, so that the movable plate can be driven to rotate conveniently.

(III) advantageous effects

Compared with the prior art, the utility model provides a detector for monitoring air heater blocks up the condition possesses following beneficial effect:

1. this a detector for monitoring air heater jam condition through the movable block, fly leaf, spacing cover, pressure sensor, spring, connecting plate, logical groove and the connecting rod that set up, can so that this detector has good detection effect, through the carminative pressure value that detects air heater inside, learns the inside jam condition, labour saving and time saving reduces operating personnel's the work load and the work degree of difficulty to make the practicality of this detector obtain certain promotion.

2. This a detector for monitoring air heater blocks up the condition, through heat pipe, heated board and the filler that sets up, can be so that this detector has good heat conduction effect, be convenient for preheat the inside air that gets into air heater earlier, reduce the difference in temperature, reduce the problem of low temperature corrosion deposition to effectively reduce the inside jam condition of air heater, thereby make the suitability of this detector obtain certain promotion.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a perspective view of the connection structure of the spring and the connection plate of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a preheater body; 2. a smoke inlet pipe; 3. a smoke exhaust pipe; 4. an air inlet pipe; 5. an exhaust pipe; 6. a matching groove; 7. a movable block; 8. a movable plate; 9. a through hole; 10. a limiting cover; 11. a pressure sensor; 12. a spring; 13. a connecting plate; 14. a through groove; 15. a connecting rod; 16. a handle is rotated; 17. a seal ring; 18. a controller; 19. a heat conducting pipe; 20. a heat-insulating board; 21. and (4) filling materials.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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

The preferred embodiment of the detector for monitoring the blockage of the air preheater provided by the present invention is shown in fig. 1 to 5: the utility model provides a detector for monitoring air heater blocks up the condition, including pre-heater body 1, one side fixedly connected with of pre-heater body 1 advances tobacco pipe 2, one side fixedly connected with of pre-heater body 1 discharges fume tub 3, one side fixedly connected with intake pipe 4 of pre-heater body 1, one side fixedly connected with blast pipe 5 of pre-heater body 1, the interior diapire of tub 3 of discharging fume has seted up and has mated groove 6, the inside swing joint who matches groove 6 has movable block 7, the top fixedly connected with fly leaf 8 of movable block 7, through-hole 9 has been seted up to the inside of fly leaf 8, one side fixedly connected with spacing cover 10 of fly leaf 8.

Inside wall fixedly connected with pressure sensor 11 of spacing cover 10, one side fixedly connected with spring 12 of pressure sensor 11, the one end fixedly connected with connecting plate 13 of spring 12, logical groove 14 has been seted up to one side of fly leaf 8, the top fixedly connected with connecting rod 15 of fly leaf 8, the top fixedly connected with turning handle 16 of connecting rod 15, the outer wall swing joint of connecting rod 15 has sealing washer 17, the positive fixedly connected with controller 18 of pre-heater body 1, can make this detector have good detection effect, through the inside carminative pressure value of detection air heater, learn the inside jam condition, time saving and labor saving, reduce operating personnel's work load and the work degree of difficulty, thereby make the practicality of this detector obtain certain promotion.

In this embodiment, the shape and size of the matching groove 6 and the shape and size of the movable block 7 are matched with each other, and the movable plate 8 is movably connected with the smoke exhaust pipe 3 through the matching groove 6 and the movable block 7, so that the movable plate 8 can move conveniently.

Example 2

On the basis of embodiment 1, the preferred embodiment of the detector for monitoring the blockage condition of the air preheater provided by the present invention is shown in fig. 1 to 5: the outer wall fixedly connected with heat pipe 19 of intake pipe 4, the outer wall fixedly connected with heated board 20 of heat pipe 19, the inside fixedly connected with filler 21 of heated board 20 is convenient for preheat the inside air that gets into air heater earlier, reduces the difference in temperature, reduces the problem of low temperature corrosion deposition to effectively reduce the inside jam condition of air heater.

In this embodiment, the shape and size of the heat-insulating plate 20 and the shape and size of the air inlet pipe 4 are matched with each other, and the heat-insulating plate 20 is fixedly connected with the air inlet pipe 4, so that heat of the heat-conducting pipe 19 is conveniently insulated.

Furthermore, the shape and size of the through hole 9 are matched with the shape and size of the spring 12, and the movable plate 8 is movably connected with the spring 12 through the through hole 9, so that the movement of the spring 12 is facilitated.

Furthermore, the shape and size of the through groove 14 and the shape and size of the connecting plate 13 are all matched with each other, and the movable plate 8 is movably connected with the connecting plate 13 through the through groove 14, so that the connecting plate 13 is attached to the movable plate 8 conveniently.

In addition, the connecting rod 15 runs through the inside of the smoke exhaust pipe 3 and extends to the top end of the smoke exhaust pipe 3, and the connecting rod 15 is movably connected with the smoke exhaust pipe 3, so that the movable plate 8 can be driven to rotate conveniently.

During the use, absorb into the inside heat of tobacco pipe 2 through heat pipe 19, with heat conduction to intake pipe 4 inside, preheat the inside air that gets into of intake pipe 4, heated board 20 and filler 21 increase the heat preservation effect simultaneously, avoid the heat loss, detect the inside jam condition of preheater body 1 if need, rotate turning handle 16, connection through connecting rod 15, drive fly leaf 8 and discharge fume 3 inside and discharge fume 3 and carry out perpendicularly, the cigarette is through discharging fume 3 when discharging, the impact force of production, promote connecting plate 13, connecting plate 13 passes through spring 12 with power conduction to pressure sensor 11 on, pressure sensor 11 shows the pressure value through controller 18, such as numerical value undersize, then it is serious to show the jam condition, otherwise, then the jam condition is general, thereby work is accomplished.

To sum up, this a detector for monitoring air heater jam condition, can be so that this detector has good detection effect, through the carminative pressure value that detects air heater inside, learn inside jam condition, time saving and labor saving, reduce operating personnel's the work load and the work degree of difficulty, thereby make the practicality of this detector obtain certain promotion, this detector has good heat conduction effect, be convenient for preheat the inside air that gets into air heater earlier, reduce the difference in temperature, reduce the problem of low temperature corrosion deposition, thereby effectively reduce the inside jam condition of air heater, thereby make the suitability of this detector obtain certain promotion.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A detector for monitoring air preheater clogging, comprising a preheater body (1), characterized in that: a smoke inlet pipe (2) is fixedly connected to one side of the preheater body (1), a smoke exhaust pipe (3) is fixedly connected to one side of the preheater body (1), an air inlet pipe (4) is fixedly connected to one side of the preheater body (1), an exhaust pipe (5) is fixedly connected to one side of the preheater body (1), a matching groove (6) is formed in the inner bottom wall of the smoke exhaust pipe (3), a movable block (7) is movably connected to the inside of the matching groove (6), a movable plate (8) is fixedly connected to the top end of the movable block (7), a through hole (9) is formed in the movable plate (8), and a limiting cover (10) is fixedly connected to one side of the movable plate (8);

the utility model discloses a spacing cover for preheater, including spacing cover (10), inside wall fixedly connected with pressure sensor (11), one side fixedly connected with spring (12) of pressure sensor (11), one end fixedly connected with connecting plate (13) of spring (12), logical groove (14) have been seted up to one side of fly leaf (8), the top fixedly connected with connecting rod (15) of fly leaf (8), the top fixedly connected with turning handle (16) of connecting rod (15), the outer wall swing joint of connecting rod (15) has sealing washer (17), the positive fixedly connected with controller (18) of preheater body (1).

2. A detector for monitoring air preheater clogging as recited in claim 1, wherein: the shape and the size of the matching groove (6) are matched with those of the movable block (7), and the movable plate (8) is movably connected with the smoke exhaust pipe (3) through the matching groove (6) and the movable block (7).

3. A detector for monitoring blockage of an air preheater as recited in claim 1, wherein: the air inlet pipe is characterized in that the outer wall of the air inlet pipe (4) is fixedly connected with a heat conduction pipe (19), the outer wall of the heat conduction pipe (19) is fixedly connected with a heat insulation plate (20), and the inner portion of the heat insulation plate (20) is fixedly connected with a filler (21).

4. A detector for monitoring blockage of an air preheater as recited in claim 3 wherein: the shape and the size of the heat insulation plate (20) are matched with those of the air inlet pipe (4), and the heat insulation plate (20) is fixedly connected with the air inlet pipe (4).

5. A detector for monitoring air preheater clogging as recited in claim 1, wherein: the shape and size of the through hole (9) are matched with those of the spring (12), and the movable plate (8) is movably connected with the spring (12) through the through hole (9).

6. A detector for monitoring air preheater clogging as recited in claim 1, wherein: the shape and size of the through groove (14) are matched with those of the connecting plate (13), and the movable plate (8) is movably connected with the connecting plate (13) through the through groove (14).

7. A detector for monitoring air preheater clogging as recited in claim 1, wherein: the connecting rod (15) penetrates through the inside of the smoke exhaust pipe (3) and extends to the top end of the smoke exhaust pipe (3), and the connecting rod (15) is movably connected with the smoke exhaust pipe (3).