CN214894345U

CN214894345U - Can effectively prevent stirring cage flue gas sampler that blocks up

Info

Publication number: CN214894345U
Application number: CN202121207698.6U
Authority: CN
Inventors: 解瑞; 徐剑风; 原晨光; 陆大勇; 李伟; 李博; 吴俊飞; 韩宝庚; 赵继兴; 崔娟
Original assignee: Huaneng Chaohu Power Generation Co Ltd
Current assignee: Huaneng Chaohu Power Generation Co Ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-26
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a stirring cage type flue gas sampler capable of effectively preventing blockage, which comprises a flue, wherein the flue is provided with a blockage preventing structure; the anti-blocking structure comprises: the device comprises a mounting plate, a supporting component, a fixing component, a motor, a first bearing connector, a connecting shaft, a second bearing connector, a first rolling bearing, a spiral stirring cage and a smoke taking component; the utility model relates to a thermal generator group flue gas pressure measurement technical field, the present case adopts prevents stifled structure, the spiral through inside motor drive stirs the cage dwang in the flue, will follow the interior flying dust that gets into and prevent stifled sampler of boiler furnace stirs the rotatory defeated furnace of cage by the spiral, and the spiral stirs the cage and is more than preventing stifled sampler internal work, and one end stretches out and prevents stifled sampler disect insertion furnace, ensure that the sample connection is not blockked up, as long as the motor does not stall after the installation, the flying dust then can not pile up preventing stifled sampler and sample connection.

Description

Can effectively prevent stirring cage flue gas sampler that blocks up

Technical Field

The utility model relates to a thermal generator set flue gas pressure measurement technical field specifically is a can effectively prevent stirring cage flue gas sampler of blocking up.

Background

The traditional anti-blocking sampler can make dust accumulation slower due to optimization of an internal structure, and reduce the frequency of blockage of the anti-blocking sampler, but along with the time lapse, the more the dust in the anti-blocking sampler is accumulated, the blockage of the sampler can be finally caused, the anti-blocking sampler is required to be cut after the operation for a period of time, and a sampling port is dredged, so that the time and the labor are consumed, and the sampling port cannot be dredged when a unit operates, and in numerous flue gas pressure measuring points of a boiler, a hearth pressure measuring point is one of the main protection measuring points of a power station boiler, the blockage in the operation causes great hidden danger to the safe operation of the boiler, and the anti-blocking sampler is deeply researched aiming at the problems and the generation of the tunnel scheme.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a can effectively prevent stirring cage flue gas sampler of stifled, solved current stifled sampler existence, because inner structure's optimization, can make the dust pile up slower, reduce and prevent stifled sampler jam frequency, but along with time lapse, prevent that the interior ash of stifled sampler is long-pending more, finally still can lead to the sampler to block up, must will prevent after the stifled sampler cutting after operation a period, dredge the sample connection, it is hard consuming time like this not only, and the technical problem of unable mediation when the unit moves moreover.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a stirring cage type flue gas sampler capable of effectively preventing blockage comprises a flue, wherein a blockage preventing structure is arranged on the flue;

the anti-blocking structure comprises: the device comprises a mounting plate, a supporting component, a fixing component, a motor, a first bearing connector, a connecting shaft, a second bearing connector, a first rolling bearing, a spiral stirring cage and a smoke taking component;

mounting panel fixed mounting in the flue upper end, supporting component fixed mounting in the mounting panel upper end, fixed component fixed mounting in on the supporting component, the motor install in the fixed component, first bearing connector fixed mounting in the motor drive end, connecting axle one end with first bearing connector connects, second bearing connector one end with the connecting axle lower extreme is connected, first antifriction bearing is fixed inlay and adorn in the mounting panel, the spiral stirs the cage activity inlay and adorn in the flue and one end run through in first antifriction bearing with the second bearing connector other end is connected.

Preferably, the support assembly comprises: the four first supporting rods, the bearing plate and the second rolling bearing;

the four first supporting rods are fixedly arranged on the upper wall surface of the mounting plate, the bearing plates are fixedly arranged at the centers of the four first supporting rods, and the second rolling bearing is fixedly embedded in the bearing plates and sleeved on the connecting shaft.

Preferably, the fixing assembly includes: the fixing device comprises four fixing blocks, four fixing sleeves, two first fixing grooves, four moving sleeves, two second fixing grooves, two fixing plates, four threaded rods and four fixing nuts;

the four fixing blocks are fixedly installed on the four first supporting rods, the four fixing sleeves are sleeved on the four first supporting rods and are located at the upper ends of the four fixing blocks, the two first fixing grooves are connected with the four fixing sleeves respectively, the four moving sleeves are movably sleeved on the four first supporting rods, the two second fixing grooves are connected with the four moving sleeves respectively, one ends of the two fixing plates are fixedly installed on the two sides of the motor, the other ends of the two fixing plates are embedded in the two first fixing grooves and the two second fixing grooves, the four threaded rods are fixedly installed on the four first supporting rods, and the four fixing nuts are movably sleeved on the four threaded rods.

Preferably, the smoking assembly comprises: the smoke exhaust port, the connecting pipe, the supporting sleeve, the second supporting rod and the joint are arranged on the smoke exhaust port;

the smoke exhaust port is located on one side in the mounting plate, one end of the connecting pipe is connected with the smoke exhaust port, the supporting sleeve is fixedly sleeved on the connecting pipe, one end of the second supporting rod is connected with one side of the supporting sleeve, the other end of the second supporting rod is connected with the upper wall face of the mounting plate, and the joint is fixedly mounted at the other end of the connecting pipe.

Preferably, one of the first fixing grooves corresponds to two fixing sleeves.

Preferably, one of the second fixing grooves corresponds to two movable sleeves.

Preferably, a groove convenient for fixing is formed in the first fixing groove.

Preferably, a groove convenient for fixing is formed in the second fixing groove.

Preferably, a connecting column for reinforcing connection is arranged at the joint of the bearing plate and the first supporting rod.

Preferably, the first rolling bearing is provided with a bearing sealing gasket with a sealing function.

The utility model provides a can effectively prevent stirring cage flue gas sampler of blocking up. The method has the following beneficial effects: the anti-blocking structure adopted by the anti-blocking stirring cage type flue gas sampler capable of effectively preventing blocking is characterized in that a spiral stirring cage driven by an internal motor rotates in a flue to convey fly ash entering the anti-blocking sampler from a boiler hearth back to the hearth through the spiral stirring cage in a rotating way, the spiral stirring cage does not work in the anti-blocking sampler, but one end of the spiral stirring cage extends out of the anti-blocking sampler to be directly inserted into the hearth, so that a sampling port is ensured not to be blocked, the fly ash cannot be accumulated in the anti-blocking sampler and the sampling port as long as the motor does not stop after the installation, thereby effectively solving the existing anti-blocking sampler, because of the optimization of the internal structure, the dust accumulation can be slower, the blocking frequency of the anti-blocking sampler is reduced, but as time goes on, the more ash in the anti-blocking sampler is accumulated, the sampler can be blocked finally, the anti-blocking sampler must be cut after the operation for a period of time, the sampling port is dredged, therefore, the technical problem that the machine set is time-consuming and labor-consuming and cannot be dredged when in operation is solved.

Drawings

Fig. 1 is the utility model relates to a can effectively prevent that stifled stir cage flue gas sampler's main sectional structure sketch map is looked.

Fig. 2 is the utility model relates to a can effectively prevent side view structure schematic diagram of stirring cage flue gas sampler who blocks up.

Fig. 3 is the utility model relates to a can effectively prevent the main structure schematic diagram of looking into of stirring cage flue gas sampler who blocks up.

Fig. 4 is the utility model relates to a can effectively prevent enlarged schematic diagram of A department's of looking at of stirring cage flue gas sampler who blocks up.

Fig. 5 is the utility model relates to a can effectively prevent enlarged schematic diagram of B department of looking at of stirring cage flue gas sampler who blocks up.

In the figure: 1-flue; 2-mounting a plate; 3, a motor; 4-a first bearing connector; 5-a connecting shaft; 6-second bearing connector; 7-a first rolling bearing; 8-spiral stirring cage; 9-a first support bar; 10-a bearing plate; 11-a second rolling bearing; 12-fixing blocks; 13-a fixed sleeve; 14-a first fixation groove; 15-moving the sleeve; 16-a second fixation groove; 17-mounting a plate; 18-a threaded rod; 19-a fixing nut; 20-a smoke outlet; 21-connecting pipe; 22-a support sleeve; 23-a second support bar; 24-a linker; 25-connecting column; 26-bearing seal.

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.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained. (the details of the connection and operation sequence of the components and parts in this case should be referred to the following working principle, the detailed connection means thereof, the following working principle and process are generally described in the following, which are well known in the art.)

As shown in fig. 1 to 5, the main components of the present disclosure are: the flue 1, the flue 1 is equipped with the anti-blocking structure;

it should be noted that, when the flue 1 of the sampler needs to be blocked, the worker drives the anti-blocking structure to achieve the purpose of blocking the flue 1.

In the specific implementation process, the anti-blocking structure comprises: the device comprises a mounting plate 2, a supporting component, a fixing component, a motor 3, a first bearing connector 4, a connecting shaft 5, a second bearing connector 6, a first rolling bearing 7, a spiral stirring cage 8 and a smoke taking component;

mounting panel 172 fixed mounting is in flue 1 upper end, supporting component fixed mounting is in mounting panel 2 upper end, fixed component fixed mounting is on the supporting component, motor 3 installs in fixed component, first bearing connector 4 fixed mounting is in the motor 3 drive end, 5 one end of connecting axle is connected with

first bearing connector

4, 6 one end of second bearing connector is connected with 5 lower extremes of connecting axle, first antifriction bearing 7 is fixed to be inlayed and is adorned in mounting panel 2, the activity of spiral stirring cage 8 is inlayed and is adorned in flue 1 and one end runs through in first antifriction bearing 7 and is connected with the other end of second bearing connector 6.

It should be noted that, when the flue 1 of the sampler needs to be blocked, the worker firstly fixes the motor 3 on the supporting component through the fixing component, and then the first bearing connector 4 and the second bearing connector 6 connect the connecting shaft 5 and the spiral stirring cage 8 with the driving end of the motor 3, when the anti-blocking work is performed, the driving motor 3 works, the first bearing connector 4, the connecting shaft 5 and the second bearing connector 6 drive the spiral stirring cage 8 to rotate in the first rolling bearing 7 of the mounting plate 2, the spiral stirring cage 8 rotates in the flue 1, the flue gas is discharged through the smoke taking component, the fly ash entering the flue 1 from the boiler hearth is rotationally conveyed back to the hearth through the spiral stirring cage 8, and the purpose of blocking prevention of the flue 1 of the sampler is achieved.

In a specific implementation, the support assembly comprises: four first support rods 9, a bearing plate 10, and a second rolling bearing 11;

the four first supporting rods 9 are fixedly arranged on the upper wall surface of the mounting plate 2, the bearing plate 10 is fixedly arranged at the center of the four first supporting rods 9, and the second rolling bearing 11 is fixedly embedded in the bearing plate 10 and sleeved on the connecting shaft 5.

When the device is mounted, the fixing unit is supported by the four first support rods 9, the motor 3 is fixed by the fixing unit, and the rotational stability of the rotating shaft is ensured by the second rolling bearing 11 embedded in the bearing plate 10.

In a specific implementation, the fixing assembly comprises: four fixed blocks 12, four fixed sleeves 13, two first fixed grooves 14, four movable sleeves 15, two second fixed grooves 16, two fixed plates 17, four threaded rods 18 and four fixed nuts 19;

four equal fixed mounting of fixed block 12 are on four first bracing pieces 9, four fixed sleeves 13 all suit on four first bracing pieces 9 and all are located four fixed block 12 upper ends, two first fixed slots 14 are connected with four fixed sleeves 13 respectively, four equal movable suit of movable sleeve 15 are on four first bracing pieces 9, two second fixed slots 16 are connected with four movable sleeve 15 respectively, two equal fixed mounting in motor 3 both sides of fixed plate 17 one end, two fixed plate 17 other ends all inlay and adorn in two first fixed slots 14 and two second fixed slots 16, four equal fixed mounting of threaded rod 18 are on four first bracing pieces 9, four equal movable suit of fixation nut 19 are on four threaded rods 18.

It should be noted that, when the motor 3 needs to be fixedly installed, a worker firstly fixes the two installation plates 172 on two sides of the motor 3, then places the two fixing plates 17 and the motor 3 on the two first fixing grooves 14, the two first fixing grooves 14 are supported and fixed by matching the four fixing blocks 12 and the four fixing sleeves 13, then sleeves the four moving sleeves 15 on the four first support rods 9, sleeves the two second fixing grooves 16 on the two fixing plates 17, the four fixing nuts 19 are screwed to move down on the four threaded rods 18, the four moving sleeves 15 are squeezed, and the two fixing plates 17 at two ends of the motor 3 are clamped and fixed by matching the two first fixing grooves 14 with the two second fixing grooves 16.

In the specific implementation process, the cigarette taking assembly comprises: a smoke outlet 20, a connecting pipe 21, a supporting sleeve 22, a second supporting rod 23 and a joint 24;

the exhaust port 20 is located one side in the mounting panel 2, and connecting pipe 21 one end is connected with exhaust port 20, and the fixed suit of support sleeve 22 is on connecting pipe 21, and second bracing piece 23 one end is connected and the other end is connected with the mounting panel 2 wall on one side of support sleeve 22, and connect 24 fixed mounting in the connecting pipe 21 other end.

It should be noted that, when the flue gas needs to be discharged, the flue gas enters the connecting pipe 21 through the smoke outlet 20, and is matched with the second support rod 23 through the support sleeve 22, so that the connecting pipe 21 is supported to a specified angle, and then the flue gas is discharged to a specified position through the joint 24, so as to achieve the purpose of discharging the flue gas.

In the implementation process, furthermore, one first fixing groove 14 corresponds to two fixing sleeves 13.

In the specific implementation, further, one second fixing groove 16 corresponds to two moving sleeves 15.

In a specific implementation process, further, a groove for facilitating fixing is formed in the first fixing groove 14.

In a specific implementation process, further, a groove for facilitating fixing is formed in the second fixing groove 16.

In the specific implementation process, furthermore, a connecting column 25 for reinforcing connection is arranged at the joint of the bearing plate 10 and the first supporting rod 9.

In the specific implementation process, further, the first rolling bearing 7 is provided with a bearing sealing gasket 26 with a sealing function.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 stirring cage type flue gas sampler capable of effectively preventing blockage comprises a flue, and is characterized in that an anti-blockage structure is arranged on the flue;

2. The agitator-type flue gas sampler capable of effectively preventing blockage according to claim 1, wherein the support assembly comprises: the four first supporting rods, the bearing plate and the second rolling bearing;

3. An effectively anti-clogging agitator-type flue gas sampler according to claim 2, wherein the fixing member comprises: the fixing device comprises four fixing blocks, four fixing sleeves, two first fixing grooves, four moving sleeves, two second fixing grooves, two fixing plates, four threaded rods and four fixing nuts;

4. The anti-clogging agitator-type smoke sampler according to claim 1, wherein said smoke extracting assembly comprises: the smoke exhaust port, the connecting pipe, the supporting sleeve, the second supporting rod and the joint are arranged on the smoke exhaust port;

5. An effectively anti-blocking stirring cage type flue gas sampler according to claim 3, wherein one first fixing groove corresponds to two fixing sleeves.

6. A stirred-cage flue gas sampler as claimed in claim 3 wherein one of said second stationary slots corresponds to two of said movable sleeves.

7. The stirring-cage type flue gas sampler capable of effectively preventing blockage according to claim 3, wherein a groove convenient for fixing is formed in the first fixing groove.

8. The stirring-cage type flue gas sampler capable of effectively preventing blockage according to claim 3, wherein a groove convenient for fixing is formed in the second fixing groove.

9. The stirring cage type flue gas sampler capable of effectively preventing blockage according to claim 2, wherein a connecting column for reinforced connection is arranged at the joint of the bearing plate and the first supporting rod.

10. The stirring cage type flue gas sampler capable of effectively preventing blockage according to claim 1, is characterized in that a bearing sealing gasket with a sealing function is arranged on the first rolling bearing.