CN217951651U

CN217951651U - Anti-blocking ash conveying pipeline easy to dredge for garbage power plant

Info

Publication number: CN217951651U
Application number: CN202222246792.3U
Authority: CN
Inventors: 许锦涛; 李清伍; 谢国新
Original assignee: Guangzhou Huantou Zengcheng Environmental Protection Energy Co ltd
Current assignee: Guangzhou Huantou Zengcheng Environmental Protection Energy Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-12-02
Anticipated expiration: 2032-08-25

Abstract

The utility model provides an easy dredging's stifled ash conveying pipe of preventing of rubbish power plant, including pipeline body and a plurality of stifled dredging portion of preventing. Each anti-blocking dredging part consists of a high-pressure air injection ring and a manhole which are matched; the high-pressure air injection ring is sleeved on the outer surface of the pipeline body, and a hollow annular cavity is formed by the ring top wall, the ring side wall and the ring bottom wall of the high-pressure air injection ring; a high-pressure air interface is fixedly arranged on the top wall of the ring and can be movably connected with an output pipeline of the air compressor; a plurality of fish mouth-shaped holes protruding towards the interior of the pipeline body are fixedly arranged on the ring bottom wall; the manhole sets up in the other pipeline outlet side of high-pressure air injection ring, sets firmly transparent material's observation window on the manhole lid of manhole. The utility model discloses a set up and prevent stifled mediation portion for ash conveying pipe blocks up the position visual, and conveniently carries out the high pressure sword cutting mediation of calming anger to blockking up the position, improves maintenance efficiency, guarantees the steady operation of heating power plant.

Description

Anti-blocking ash conveying pipeline easy to dredge for garbage power plant

Technical Field

The utility model relates to a power plant's ash conveying field especially relates to a rubbish power plant who easily dredges prevents stifled ash conveying pipeline.

Background

In a general thermal power plant for generating power by utilizing garbage heat energy, a flue gas purification system adopts the processes of semi-dry deacidification, activated carbon injection, cloth bag dust removal, wet deacidification and SCR (selective catalytic reduction) external denitration. Flue gas generated by burning garbage enters a semi-dry reaction tower for deacidification treatment, and then enters a bag-type dust remover for dust removal treatment, and garbage fly ash collected by the bag-type dust remover, namely fine solid particles in the flue gas generated after burning the garbage, is collected by the bag-type dust remover, and then is conveyed to a top ash conveyor by a bucket elevator and then is conveyed to an ash storage bin. In the prior art, in the stage from a bin top ash conveyor to an ash storage bin, an inclined ash conveying pipeline is designed by utilizing the height difference from the bin top ash conveyor to a ground ash storage bin, so that garbage fly ash collected by the bin top ash conveyor slides into a ground ash storage bin collecting device under the action of gravity to finish conveying, but the garbage fly ash is wet and has high viscosity, and the garbage fly ash is easily adhered together to block the interior of an ash conveying pipe, so that manual dredging is often needed; and because ash conveying pipeline has considerable length, and concrete jam position is unclear, bring the hindrance for the mediation work, influence maintenance efficiency to finally lead to influencing the steady operation of rubbish heat energy power plant. Therefore, the design of an easily dredged anti-blocking ash conveying pipeline for the garbage power plant becomes a research direction.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a be not enough to prior art, the utility model discloses a set up the stifled portion of dredging that prevents that a plurality of high-pressure gas injection rings and manhole are constituteed on defeated grey pipeline for defeated grey pipeline blocks up the convenient high pressure sword mediation of compressing the air to the jam position of conveniently when position is directly perceived visual, improves maintenance efficiency.

The utility model discloses an implementation's rubbish power plant who easily dredges prevents stifled ash conveying pipe, it includes the pipeline body and prevents stifled dredging part.

The anti-blocking dredging part comprises a high-pressure air injection ring and a manhole; the high-pressure air injection ring is sleeved on the outer surface of the pipeline body, the ring top wall of the high-pressure air injection ring is fixedly connected with the first ends of the two ring side walls respectively, the second ends of the two ring side walls of the high-pressure air injection ring are fixedly connected with the outer surface of the pipeline body respectively, the outer surface of the part of the pipeline body fixedly connected with the high-pressure air injection ring forms a ring bottom wall, and the ring top wall, the two ring side walls and the ring bottom wall are encircled to form a hollow ring-shaped cavity; the top wall of the ring is fixedly provided with a high-pressure air interface which can be movably connected with an output pipeline of an air compressor; a plurality of flanged holes protruding towards the interior of the pipeline body are fixedly arranged on the ring bottom wall; the hole flanging protrusion angle inclines to the outlet of the pipeline; the manhole set up in the other pipeline outlet side of high pressure jet ring, the manhole of manhole is covered and is set firmly transparent material's observation window.

Further, the hole flanging is in a fish mouth shape.

Further, a plurality of the flanging holes are uniformly arranged around the circumference of the pipeline.

Further, the height of the protruding hole flanging is 0.5cm.

Furthermore, the anti-blocking dredging part is multiple.

Further, a plurality of prevent stifled dredging part evenly sets up in the axial of pipeline body.

Further, a closing plate is movably arranged at the inlet of the pipeline body.

Further, 1 anti-blocking dredging part is arranged below the sealing plate at the inlet of the pipeline body.

Furthermore, an escalator structure used for assisting in overhauling and observing is arranged around the pipeline body.

Further, a supporting structure for fixing is arranged around the pipeline body.

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

1. the utility model discloses set up high-pressure gas injection ring on the pipeline body, be equipped with high-pressure gas interface on its crown wall, be equipped with a plurality of bellied hole flanging to the pipeline inside on the rampart diapire, when the pipeline takes place to block up and need dredge, air compressor output pipeline inputs high-pressure gas to the high-pressure gas injection intra-annular through high-pressure gas interface, high-pressure gas is arranged through a plurality of annulars again, and drop into to the pipeline body through the downward fish mouth form hole flanging of slope, annular multichannel high-pressure flat air current is dropped into, form the air sword of undercutting, carry out chopping and push down to the rubbish flying dust of jam section, reach the purpose of effective mediation;

2. the outlet side of the high-pressure jet ring pipeline of the utility model is provided with a manhole, and the manhole cover of the manhole is provided with an observation window made of transparent material, the position of the pipeline blockage can be simply, conveniently and efficiently confirmed by the arrangement of the observation window, so that the nearest high-pressure jet ring is selected in a targeted manner and communicated with an air compressor to dredge; and the manhole is also favorable for nearby maintenance of the high-pressure jet ring.

Drawings

FIG. 1 is a schematic structural view of an easily dredged anti-blocking ash conveying pipeline of a refuse power plant of the present invention;

in the figure:

the device comprises a bin top ash conveyor 1, a pipeline body 2, a high-pressure air injection ring 3, a closing plate 4, a manhole 5, a high-pressure air connector 6, an observation window 7, an air compressor 8, an air compressor output pipeline 9, a ground ash storage bin collecting device 10, a ring top wall 31 and a ring side wall 32.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

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.

As shown in the attached drawing 1, the utility model discloses an easy rubbish power plant who dredges of an embodiment prevents stifled defeated grey pipeline, it includes pipeline body 2 and a plurality of stifled dredging portion of preventing, and a plurality of stifled dredging portion of preventing evenly set up in the axial of pipeline body 2.

Each anti-blocking dredging part comprises a high-pressure gas injection ring 3 and a manhole 5, the high-pressure gas injection ring 3 is sleeved on the outer surface of the pipeline body 2, the ring top wall 31 of the high-pressure gas injection ring 3 is fixedly connected with the first ends of the two ring side walls 32 respectively, the second ends of the two ring side walls 32 of the high-pressure gas injection ring 3 are fixedly connected with the outer surface of the pipeline body 2 respectively, the outer surface of the part of the pipeline body 2 fixedly connected with the high-pressure gas injection ring forms a ring bottom wall, and the ring top wall 31, the two ring side walls 32 and the ring bottom wall are encircled to form a hollow ring-shaped cavity; the ring top wall 31 is fixedly provided with a high-pressure air interface 6, and the high-pressure air interface 6 can be movably connected with an output pipeline 9 of an air compressor; a plurality of holes protruding towards the interior of the pipeline body 2 are fixedly arranged on the ring bottom wall; furthermore, the hole flanging is a flat fish mouth-shaped opening; the protruding angle of the flanging hole is inclined to the outlet of the pipeline, and a plurality of flanging holes are uniformly arranged around the circumference of the pipeline; the height of the protruding hole flanging is 0.5cm.

The utility model is not enough to prior art, the utility model discloses high-pressure gas injection ring 3 has been set up on pipeline body 2, be equipped with high-pressure gas interface 6 on its crown wall 31, be equipped with a plurality ofly on the ring bottom wall to the inside convex hole flanging of pipeline, when the pipeline takes place to block up and need dredge, air compressor 8 inputs high-pressure gas in to high-pressure gas injection ring 3 through high-pressure gas interface 6, the hole flanging that high-pressure gas rethread a plurality of rings were arranged squeezes into in pipeline body 2, the flat air current of annular multichannel high pressure squeezes into, form the gas sword of undercutting, the rubbish flying dust to the jam section is chopped and is pushed down, reach the purpose of effective mediation.

The hole flanging is a flat fish mouth-shaped opening, so that the outlet airflow can be converted from a cylindrical shape into a flat shape, and the cutting area of the air blade is larger and more effective; the hole flanging protrusion angle is inclined towards the outlet of the pipeline, so that a downward cutting air blade can be formed, the garbage fly ash at the blocking section is cut and pushed down towards the outlet direction of the pipeline, and the purpose of dredging is achieved more favorably.

3. Manhole 5 sets up in 3 side pipeline outlet sides of high pressure gas injection ring to further, manhole 5 sets up in the top position of this section pipeline body 2, and manhole cover of manhole 5 sets firmly transparent material's observation window 7. The observation window 7 can simply and efficiently confirm the position of the pipeline blockage, so that the nearest high-pressure air injection ring 3 is selected in a targeted manner and communicated with the air compressor 8 for dredging; and the manhole 5 is also beneficial to the close inspection of the high-pressure gas injection ring 3. The utility model discloses set up the observation window on the manhole of manhole covers, compare in setting up on the pipeline body, thereby be more convenient for open the manhole and clean transparent material's observation window, keep its observation function.

2 entrances of pipeline body can move about and set up closing plate 4, and closing plate 4's below sets up one promptly and prevents stifled dredging portion, and the purpose of this kind of setting prevents that 2 source positions of pipeline body from blockking up for the mediation work can be followed the source position and begun, is gone on at full pipeline, no dead angle ground. The closing plate 4 can be designed to be in a sliding insertion mode, the closing plate 4 is not inserted in daily situations, the pipeline body 2 is kept to normally receive garbage fly ash entering the top ash conveyor 1, and whether the garbage fly ash needs to be inserted or not is determined according to needs when blockage occurs and dredging needs to be carried out, so that possible garbage fly ash is prevented from rising. Normally block up the section when middle and lower part, the mediation need not insert closing plate 4, because the utility model discloses a hole flanging protrusion angle slope is to the pipeline export, and what formed is undercut gas sword, only blocks up the section when 2 entrances of nearly pipeline body, just need insert closing plate 4 to prevent that possible rubbish flying dust from raising upward.

Further, an escalator structure used for assisting in maintenance and observation is further arranged around the pipeline body 2.

Further, a support structure for fixing is also provided around the pipe body 2.

When the device is in practical use, flue gas generated by waste incineration enters a semi-dry reaction tower for deacidification treatment, and then enters a bag-type dust remover for dust removal treatment, waste flying ash collected by the bag-type dust remover, namely fine solid particles in the flue gas generated after waste combustion, is collected by the bag-type dust remover and then is conveyed to a bin top ash conveyor 1 by a bucket elevator, the waste flying ash collected by the bin top ash conveyor 1 slides into a ground ash storage bin collection device 10 under the action of gravity, in the process of collecting the ground ash storage bin, once the situation that the waste flying ash is not output from an ash conveying pipeline outlet is found, the situation in an observation window 7 made of transparent materials on a manhole 5 hole cover on an ash conveying pipeline is observed from bottom to top along an escalator structure arranged around a pipeline body 2, judging and determining the position of the tail end blockage section of the garbage fly ash, after the position is determined, connecting an output pipeline 9 of an air compressor to a high-pressure air interface 6 of a high-pressure air injection ring 3 nearest to the upstream of an ash conveying pipeline, then opening the air compressor 8, inputting high-pressure air into the high-pressure air injection ring 3 through the high-pressure air interface 6, pumping the high-pressure air into a pipeline body 2 through a plurality of annularly arranged holes turned over, pumping a plurality of annularly high-pressure flat air flows into the pipeline body to form a downward cutting air blade, chopping and pushing down the garbage fly ash of the blockage section to enable the blockage section to fall into a ground ash storage bin collecting device 10, and achieving the purpose of continuously dropping the upstream garbage fly ash and realizing dredging. If the whole ash conveying pipeline is not dredged after the first blocked section falls down, the other high-pressure air injection ring 3 adjacent to the upstream does further chopping and pushing down of the blocked section to complete the dredging. In addition, if the blocked section is not normally dropped after being cut by the air blade occasionally, the manhole 5 can be optionally opened to carry out manual auxiliary dredging on the section, because the manhole 5 is arranged at the top position of the section of the pipeline body 2 (preventing the garbage fly ash from falling off when the manhole is opened) and is positioned at the blocked section at the tail end of the garbage fly ash, the garbage fly ash is cut by the air blade to be loosened, and the manual auxiliary dredging work is quite easy and efficient during actual operation; and the manhole 5 is also beneficial to the close inspection of the high-pressure gas injection ring 3.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

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.

The present invention and its embodiments have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. An easily dredged anti-blocking ash conveying pipeline for a garbage power plant is characterized by comprising a pipeline body and an anti-blocking dredging part;

the anti-blocking dredging part comprises a high-pressure air injection ring and a manhole;

the high-pressure air injection ring is sleeved on the outer surface of the pipeline body, the ring top wall of the high-pressure air injection ring is fixedly connected with the first ends of the two ring side walls respectively, the second ends of the two ring side walls of the high-pressure air injection ring are fixedly connected with the outer surface of the pipeline body respectively, the outer surface of the part of the pipeline body fixedly connected with the high-pressure air injection ring forms a ring bottom wall, and the ring top wall, the two ring side walls and the ring bottom wall are encircled to form a hollow ring-shaped cavity; the top wall of the ring is fixedly provided with a high-pressure air interface which can be movably connected with an output pipeline of an air compressor; a plurality of holes protruding towards the interior of the pipeline body are fixedly arranged on the ring bottom wall; the hole flanging protrusion angle inclines to the outlet of the pipeline; the manhole set up in the other pipeline outlet side of high pressure jet ring, the manhole of manhole is covered and is set firmly transparent material's observation window.

2. The anti-blocking ash conveying pipeline easy to dredge for the garbage power plant as recited in claim 1, wherein the hole flanging is fish mouth shaped.

3. The easy-to-dredge blockage-preventing ash conveying pipeline for the refuse power plant as claimed in claim 1, wherein the plurality of the holes are uniformly arranged around the circumference of the pipeline.

4. The anti-blocking ash conveying pipeline for the refuse power plant, which is easy to dredge, as recited in claim 1, wherein the height of the hole flanging protrusion is 0.5cm.

5. The easy-to-dredge anti-blocking ash conveying pipeline for the garbage power plant as recited in claim 1, wherein the anti-blocking dredging portion is provided in plurality.

6. The anti-blocking ash conveying pipeline easy to dredge for the garbage power plant as claimed in claim 1 or 5, wherein the plurality of anti-blocking dredging parts are uniformly arranged in the axial direction of the pipeline body.

7. The anti-blocking ash conveying pipeline for the garbage power plant, which is easy to dredge, as recited in claim 1, wherein a closing plate is movably arranged at the inlet of the pipeline body.

8. The anti-blocking ash conveying pipeline easy to dredge for the garbage power plant as claimed in claim 1 or 7, wherein 1 anti-blocking dredging part is arranged below the closing plate at the inlet of the pipeline body.

9. The anti-blocking ash conveying pipeline easy to dredge for the garbage power plant as recited in claim 1, wherein an escalator structure for assisting maintenance and observation is arranged around the pipeline body.

10. The anti-blocking ash conveying pipeline for the garbage power plant, which is easy to dredge, as recited in claim 1, wherein a supporting structure for fixing is arranged around the pipeline body.