CN111219036A - Automatic desilting drainage device of autonomic power pipeline - Google Patents

Automatic desilting drainage device of autonomic power pipeline Download PDF

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Publication number
CN111219036A
CN111219036A CN202010176996.7A CN202010176996A CN111219036A CN 111219036 A CN111219036 A CN 111219036A CN 202010176996 A CN202010176996 A CN 202010176996A CN 111219036 A CN111219036 A CN 111219036A
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CN
China
Prior art keywords
flue gas
gas transmission
discharge pipe
rotating shaft
transmission pipeline
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Pending
Application number
CN202010176996.7A
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Chinese (zh)
Inventor
周景亮
金博
曾晨辉
谢家耀
罗宏图
高进文
陈华康
林志熙
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Fujian University of Technology
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Fujian University of Technology
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Application filed by Fujian University of Technology filed Critical Fujian University of Technology
Priority to CN202010176996.7A priority Critical patent/CN111219036A/en
Publication of CN111219036A publication Critical patent/CN111219036A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F17/00Vertical ducts; Channels, e.g. for drainage
    • E04F17/02Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sink And Installation For Waste Water (AREA)

Abstract

The invention discloses an automatic desilting and draining device for an autonomous power pipeline, which is used for desilting and draining of a flue gas transmission pipeline and comprises: the blow off pipe, the upper end with flue gas transmission pipeline's lower terminal surface fixed connection and with the inside intercommunication of flue gas transmission pipeline to ponding and the dirt in the discharge flue gas transmission pipeline, the tip that blow off pipe and flue gas transmission pipeline are connected is flaring structure: the rotating shaft is coaxially arranged with the sewage discharge pipe, one end of the rotating shaft penetrates into the sewage discharge pipe, and the other end of the rotating shaft extends upwards into the flue gas transmission pipeline; the scraping plates are of a sheet structure, are fixed at the position of the outer peripheral side of the top of the sewage discharge pipe in an annular array mode, and are rotationally constrained in the flaring structure at the top of the sewage discharge pipe; the wind cup is connected with the end of the rotating shaft in the smoke transmission pipeline and is driven by smoke to drive the rotating shaft to rotate; the helical blade sets up the part that penetrates the blow off pipe in the pivot, and this scheme is implemented reliably, and desilting drainage is efficient and the energy saving.

Description

Automatic desilting drainage device of autonomic power pipeline
Technical Field
The invention relates to the field of auxiliary cleaning devices for flue gas pipelines, in particular to an automatic dredging and draining device for an autonomous power pipeline.
Background
Present industrial pipeline, for example flue gas desulfurization equipment, the flue gas contains a large amount of moisture in draught fan export or the flue near being close to the chimney, and in horizontal flue, moisture will condense and pile up in the bottom, because it is more to contain impurity, has had drainage pipe to block up easily in the industry often to rely on artifical drainage, and its moisture discharges unsmoothly, leads to horizontal flue to gather a large amount of water, still can further cause horizontal flue bottom to corrode the scheduling problem, and it still has the following technical problem that needs to solve:
firstly, the problem of water accumulation is that because the bottom of the existing flue is of a flat plate structure, water cannot be uniformly concentrated at one place, and water can be guided to a prescription and then treated in the next step.
②, the blockage problem is that the smoke contains a large amount of impurities and is combined with condensed water, so that a drainage outlet is easy to block through precipitation, and the precipitate needs to be cleaned in time.
the power problem is that the conventional electric driving equipment such as a motor is difficult to realize application under the influence conditions of complex working environment, temperature, humidity, corrosivity and the like in a flue, and the power problem needs to be solved.
In addition, because the working environment of such applications often has high temperature, high humidity, or contains corrosiveness, etc., it is difficult to realize electric driving, and the cost of electric driving equipment is high.
Fig. 1 shows a conventional technical improvement structure in the prior art, in which four connecting plates are welded in the middle of four faces in the square flue body, and four supporting tubes are welded between two asymmetrical connecting plates, and the four supporting tubes form a diamond-shaped supporting structure; the bottom of the flue body is provided with water channels at intervals, and the bottom of each water channel is connected with a downpipe. The scheme is used for the flue at the rear part of wet desulphurization, so that the flue with clean flue gas has a compact structure, internal support is more favorable for drainage, a certain effect is achieved on dewatering of the flue gas at the rear part of wet desulphurization, the hidden danger of flue corrosion can be reduced, and the service life of the flue can be prolonged; however, this solution also has the following limitations:
the square flue comprises a square flue body, four connecting plates, four supporting tubes and water troughs, wherein the four connecting plates are welded in the middle of four surfaces in the square flue body, the four supporting tubes are welded between the two asymmetrical connecting plates and form a rhombic supporting structure, and the water troughs are arranged at intervals at the bottom of the flue body, so that condensed water cannot be well collected by the water troughs, and the bottom of the flue can be seriously corroded.
secondly, a large amount of dust exists in the flue, so that the pipe orifice of the downpipe is easily blocked, and the blockage of the downpipe orifice can cause the problem that condensed water cannot be discharged.
③, the blockage of the downpipe opening needs manual cleaning, and the manual cleaning is high in cost and low in efficiency.
Therefore, based on this situation, it is necessary to propose a new technical innovation solution for the flue gas transmission pipeline.
Disclosure of Invention
Aiming at the conditions of the prior art, the invention aims to provide the automatic dredging and draining device for the autonomous power pipeline, which has the advantages of simple structure, reliable implementation, high dredging efficiency and no need of excessive manual intervention.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the utility model provides an automatic desilting drainage device of autonomic power pipeline for the desilting drainage of flue gas transmission pipeline, it includes:
the upper end of the blow-off pipe is fixedly connected with the lower end face of the flue gas transmission pipeline, is communicated with the interior of the flue gas transmission pipeline and is used for discharging accumulated water and dirt in the flue gas transmission pipeline, and the end part of the blow-off pipe connected with the flue gas transmission pipeline is of a flaring structure;
the rotating shaft is coaxially arranged with the sewage discharge pipe, one end of the rotating shaft penetrates into the sewage discharge pipe, and the other end of the rotating shaft extends upwards into the flue gas transmission pipeline;
the scraping plates are of a sheet structure, are fixed at the position of the outer peripheral side of the top of the sewage discharge pipe in an annular array mode, and are rotationally constrained in the flaring structure at the top of the sewage discharge pipe;
the wind cup is connected with the end of the rotating shaft in the smoke transmission pipeline and is driven by smoke to drive the rotating shaft to rotate;
and the helical blade is arranged at the part of the rotating shaft penetrating into the sewage discharge pipe and is used for assisting accumulated water and dirt to be discharged from the lower end of the sewage discharge pipe.
As a possible implementation manner, further, the bottom of the flue gas transmission pipeline is a funnel-shaped structure, and the flaring structure of the sewage discharge pipe is connected with the bottom of the funnel-shaped structure.
As a possible implementation mode, the device further comprises a settling tank, the top of the settling tank is connected with the lower end of the sewage discharge pipe, and one side of the middle part of the settling tank is connected with a clear liquid discharge pipe.
Preferably, the clear liquid discharge pipe is arranged obliquely upwards, and the end of the clear liquid discharge pipe is not higher than the upper end surface of the precipitation tank.
As a possible implementation, further, the number of the wind cups is 3, and the wind cups are connected to the tail end of the rotating shaft in the smoke transmission pipeline in an annular array.
As a possible implementation manner, further, the exhaust gas purification device further comprises a fixing frame in an n-shaped structure, wherein the upper end of the rotating shaft penetrates through the center of the fixing frame, and the bottom of the fixing frame is fixed at the bottom of the exhaust gas transmission pipeline.
As a better option, preferably, a bearing is further disposed on a connecting portion between the rotating shaft and the fixing frame.
By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that: according to the scheme of the invention, through the matching of the air cup, the rotating shaft, the scraper blade, the spiral blade and the blow-off pipe, the air kinetic energy of the flue gas transmission pipeline during smoke exhaust is used as driving force to drive the air cup to drive the scraper blade and the rotating shaft to rotate, so that the dirt and accumulated water accumulated at the bottom of the flue gas transmission pipeline can be well discharged and collected from the blow-off pipe; simultaneously, still solved when the drainage because contain in the flue gas a large amount of impurity and the aquatic products that condenses combine, through deposiing the jam outlet problem, the most important relies on the natural gas flow that produces when the work flue gas passes through in the pipeline as power, the device of the problem that can solve the downcomer mouth jam automatically simultaneously, the cost has been saved like this, the labour has been reduced, in addition, set up the precipitation tank and practiced thrift impurity dirt sediment device, impurity and log raft play flue back, impurity is through deposiing the sediment in the device bottom, make follow-up pipeline carry avoid blockking up, thus, a series of jam problems have been solved.
In addition, the scheme also has the following advantages:
the scheme has the following advantages:
1. the invention designs the smoke bottom plate to have a certain gradient on the periphery, and effectively concentrates condensed water and impurities to a prescription for treatment;
2. the invention designs the anti-scaling scraper at the sewage outlet and designs the helical blade in the sewage outlet, thus solving the problem of blockage caused by the blockage of the water outlet by impurities through precipitation;
3. the invention takes the natural airflow generated when the working smoke in the pipeline passes as the power, can drive the anti-scaling scraper and the helical blade, and automatically solves the problem of blockage of the downpipe opening, thereby saving the cost and reducing the labor force;
4. the invention is provided with the impurity and dirt settling device, after the impurities and water are discharged out of the flue, the impurities are settled at the bottom of the device through the settling, so that the subsequent pipeline transportation is prevented from being blocked, and thus, a series of blocking problems are solved;
5. the power device is suitable for being used in various pipelines with air flow or specific water flow, and particularly provides a continuous power source for the complex working conditions that other power driving modes are difficult to realize due to high temperature, high humidity, corrosivity and the like.
Drawings
The invention will be further explained with reference to the drawings and the detailed description below:
FIG. 1 is a schematic diagram of a flue gas transport duct in the prior art;
FIG. 2 is one of the schematic structural diagrams of the embodiment of the present invention, which is mainly a cut-away implementation schematic diagram of a front view;
FIG. 3 is a second schematic structural diagram of the present invention, which is a sectional schematic diagram mainly showing a side view;
fig. 4 is a third schematic view of a schematic implementation structure of the solution of the present invention, which is mainly a sectional implementation view from a top view.
Detailed Description
As shown in one of fig. 2 to 4, the automatic dredging and draining device for self-powered pipeline of the present invention is used for dredging and draining of flue gas transmission pipeline 9, and comprises:
the upper end of the sewage discharge pipe 1 is fixedly connected with the lower end face of the flue gas transmission pipeline 9, is communicated with the interior of the flue gas transmission pipeline 9 and is used for discharging accumulated water and dirt in the flue gas transmission pipeline 9, the end part of the sewage discharge pipe 1 connected with the flue gas transmission pipeline 9 is of a flared structure 11, so that in order to facilitate flow guiding, the bottom of the flue gas transmission pipeline 9 is of a funnel-shaped structure, and the flared structure 11 of the sewage discharge pipe 1 is connected with the bottom of the funnel-shaped structure;
the rotating shaft 2 is coaxially arranged with the sewage discharge pipe 1, one end of the rotating shaft penetrates into the sewage discharge pipe 1, and the other end of the rotating shaft extends upwards into the flue gas transmission pipeline 9;
the scraping plates 3 are of sheet structures and are fixed at the positions, located on the outer peripheral side of the top of the sewage discharge pipe 1, of the rotating shaft 2 in an annular array mode, and the scraping plates 3 are rotationally restrained in the flaring structures 11 on the top of the sewage discharge pipe 1;
the wind cup 4 is connected with the end of the rotating shaft 2 in the smoke transmission pipeline 9, and the wind cup 4 drives the rotating shaft 2 to rotate under the driving of smoke;
and the spiral blade 5 is arranged at the part of the rotating shaft 2 penetrating into the sewage discharge pipe 1 and is used for assisting accumulated water and dirt to be discharged from the lower end of the sewage discharge pipe 1.
Wherein, as a possible implementation mode, the device further comprises a settling tank 6, the top of the settling tank 6 is connected with the lower end of the sewage discharge pipe 1, and one side of the middle part of the settling tank 6 is connected with a clear liquid discharge pipe 61; as a better option, it is preferable that the clear liquid discharge pipe 61 is disposed obliquely upward and the end of the clear liquid discharge pipe is not higher than the upper end surface of the precipitation tank 6, and in addition, for the convenience of dredging, the precipitation tank 6 can be detachably connected with the lower end of the sewage discharge pipe 1 through a flange 62.
In addition, as a possible implementation manner, further, the number of the wind cups 4 is 3, the wind cups are connected to the end, located in the flue gas conveying pipeline 9, of the rotating shaft 2 in an annular array, and the top of the rotating shaft 2 or the top of the wind cups 4 is not higher than half of the height of the flue gas conveying pipeline 9 in the vertical direction.
In order to avoid the deformation and bending of the rotating shaft 2 caused by stress when the wind cup rotates at a high speed, as a possible implementation mode, the wind cup further comprises a fixing frame 7 in an n-shaped structure, wherein the upper end of the rotating shaft 2 penetrates through the center of the fixing frame 7, and the bottom of the fixing frame 7 is fixed at the bottom of the exhaust transmission pipeline 9; as a better option, preferably, a bearing 8 is further provided on a connecting portion of the rotating shaft 2 and the fixing frame 7.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims (7)

1. The utility model provides an automatic desilting drainage device of autonomic power pipeline for the desilting drainage of flue gas transmission pipeline, its characterized in that: it includes:
the upper end of the blow-off pipe is fixedly connected with the lower end face of the flue gas transmission pipeline, is communicated with the interior of the flue gas transmission pipeline and is used for discharging accumulated water and dirt in the flue gas transmission pipeline, and the end part of the blow-off pipe connected with the flue gas transmission pipeline is of a flaring structure;
the rotating shaft is coaxially arranged with the sewage discharge pipe, one end of the rotating shaft penetrates into the sewage discharge pipe, and the other end of the rotating shaft extends upwards into the flue gas transmission pipeline;
the scraping plates are of a sheet structure, are fixed at the position of the outer peripheral side of the top of the sewage discharge pipe in an annular array mode, and are rotationally constrained in the flaring structure at the top of the sewage discharge pipe;
the wind cup is connected with the end of the rotating shaft in the smoke transmission pipeline and is driven by smoke to drive the rotating shaft to rotate;
and the helical blade is arranged at the part of the rotating shaft penetrating into the sewage discharge pipe and is used for assisting accumulated water and dirt to be discharged from the lower end of the sewage discharge pipe.
2. The automatic dredging and draining device for the autonomous power pipeline according to claim 1, characterized in that: the bottom of the flue gas transmission pipeline is of a funnel-shaped structure, and the flaring structure of the sewage discharge pipe is connected with the bottom of the funnel-shaped structure.
3. The automatic dredging and draining device for the autonomous power pipeline according to claim 1, characterized in that: the device also comprises a settling tank, wherein the top of the settling tank is connected with the lower end of the blow-off pipe, and one side of the middle part of the settling tank is connected with a clear liquid discharge pipe.
4. The automatic dredging and draining device for the autonomous power pipeline according to claim 3, characterized in that: the clear liquid discharge pipe is obliquely arranged upwards, and the tail end of the clear liquid discharge pipe is not higher than the upper end surface of the precipitation tank.
5. The automatic dredging and draining device for the autonomous power pipeline according to claim 1, characterized in that: the quantity of cup is 3, and it is connected on the end that the pivot is located flue gas transmission pipeline in the annular array.
6. The automatic dredging and draining device for the autonomous power pipeline according to claim 1, characterized in that: the exhaust gas transmission device further comprises a fixing frame in an n-shaped structure, wherein the upper end of the rotating shaft penetrates through the center of the fixing frame, and the bottom of the fixing frame is fixed to the bottom of the exhaust gas transmission pipeline.
7. The automatic dredging and draining device for the autonomous power pipeline according to claim 6, characterized in that: and a bearing is also arranged on the connecting part of the rotating shaft and the fixing frame.
CN202010176996.7A 2020-03-13 2020-03-13 Automatic desilting drainage device of autonomic power pipeline Pending CN111219036A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010176996.7A CN111219036A (en) 2020-03-13 2020-03-13 Automatic desilting drainage device of autonomic power pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010176996.7A CN111219036A (en) 2020-03-13 2020-03-13 Automatic desilting drainage device of autonomic power pipeline

Publications (1)

Publication Number Publication Date
CN111219036A true CN111219036A (en) 2020-06-02

Family

ID=70832701

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010176996.7A Pending CN111219036A (en) 2020-03-13 2020-03-13 Automatic desilting drainage device of autonomic power pipeline

Country Status (1)

Country Link
CN (1) CN111219036A (en)

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