Fly ash conveying device convenient to overhaul

Abstract

The utility model discloses a fly ash conveying device convenient to overhaul, and belongs to the technical field of fly ash treatment.The fly ash conveying device comprises a main ash falling pipe, an ash inlet is formed in the top of the main ash falling pipe, a connecting groove is formed in the middle of the main ash falling pipe, and a partition pipe is arranged on the outer side of the main ash falling pipe; during use, the middle position of the main ash falling pipe can be forked, then the main ash falling pipe is connected to the two spiral conveyors, the two spiral conveyors are isolated through the installed gate valve bodies, the two gate valve bodies are in an open state and a closed state in the normal operation state, the states of the gate valve bodies are switched when the spiral conveyors break down, and the main ash falling pipe can be separated from the main ash falling pipe. When the fly ash conveying line needs to be switched, the spiral conveyor can be switched to normally convey ash, the defect that the whole fly ash conveying line needs to be switched is well overcome, the safety, stability and reliability of operation of the whole conveying system are greatly improved, the workload caused by switching the conveying line is effectively reduced, and the working efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fly ash treatment, in particular to a fly ash conveying device facilitating maintenance. BACKGROUND

[0002] For a garbage incineration plant, the most important part is the flue gas treatment, but the flue gas treatment will inevitably produce a large amount of fly ash which is hazardous waste, so the stability of fly ash conveying directly affects the safe operation of the boiler.

[0003] The existing fly ash treatment often needs two fly ash treatment lines, and when a problem occurs in one of the two fly ash treatment lines, the entire fly ash conveying line needs to be switched to the other fly ash treatment line for treatment, especially the fly ash conveying screw machine with a higher failure rate, which also needs to switch the entire fly ash conveying line to the standby line for operation to be treated, which not only affects the safe and stable operation of fly ash conveying and thus threatens the safe operation of the boiler, but also brings a great workload to the workers. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the present application provides a fly ash conveying device facilitating maintenance, which overcomes the defects of the prior art and aims to solve the problem that the existing fly ash treatment often needs two fly ash treatment lines, and when a problem occurs in one of the two fly ash treatment lines, the entire fly ash conveying line needs to be switched to the other fly ash treatment line for treatment, especially the fly ash conveying screw machine with a higher failure rate, which also needs to switch the entire fly ash conveying line to the standby line for operation to be treated, which not only affects the safe and stable operation of fly ash conveying and thus threatens the safe operation of the boiler, but also brings a great workload to the workers.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a fly ash conveying device facilitating maintenance, comprising a main ash falling pipe, a dust inlet is arranged at the top of the main ash falling pipe, a connecting groove is formed in the middle of the main ash falling pipe, a partition pipe is arranged outside the main ash falling pipe, the top end of the partition pipe is located inside the connecting groove, the inside of the main ash falling pipe and the partition pipe are in communication with each other, the main ash falling pipe and the partition pipe are arranged in a mutually intersecting manner, a screw conveyor is arranged at the bottom end of the main ash falling pipe and the partition pipe, two groups of screw conveyors are in communication with the partition pipe and the main ash falling pipe, respectively, and a plug valve body is arranged inside the main ash falling pipe and the partition pipe.

[0006] By adopting the technical scheme, the top of the main ash falling pipe is fixedly connected with the bucket elevator in use, dust transported from the inside of the bucket elevator enters the inside of the main ash falling pipe, and the working switching of the two groups of screw conveyors can be realized through the separation of the two groups of plug valve bodies, so that in use, the middle part of the main ash falling pipe can be branched, and then connected to the two screw conveyors respectively, the plug valve bodies are isolated, and in the normal running state, the two groups of plug valve bodies are in the state of one open and one closed, when a screw conveyor fails, the state of the plug valve body is switched, so that the screw conveyor can be switched to normally transport ash, the disadvantage of switching the whole fly ash conveying line is avoided, the safety, stability and reliability of the whole conveying system are greatly improved, the workload caused by switching the conveying line is effectively reduced, and the work efficiency is further improved.

[0007] As a preferred technical scheme of the present application, a maintenance slot is formed on the outside of the main ash falling pipe, a maintenance mechanism is arranged outside the maintenance slot, the maintenance mechanism comprises two groups of hinged blocks, the two groups of hinged blocks are fixedly connected with the outside of the main ash falling pipe, and sealing covers are arranged outside the two groups of hinged blocks.

[0008] By adopting the above technical scheme, the inside of the main ash falling pipe and the separation pipe can be maintained through the maintenance mechanism arranged thereon in use, without changing the overall structure of the main ash falling pipe and the separation pipe, without affecting the normal ash conveying process, and further improving the practicability of the device.

[0009] As a preferred technical scheme of the present application, a vibration mechanism is arranged on the outside of the main ash falling pipe, the vibration mechanism comprises a connecting frame, a vibration motor is arranged on the outside of the connecting frame, an output rod is arranged at the output end of the vibration motor, and the output rod abuts against the outer wall of the main ash falling pipe.

[0010] By adopting the above technical scheme, the outside of the main ash falling pipe and the separation pipe can be vibrated in use, so that when dust is conveyed in the inside of the main ash falling pipe, the phenomenon that dust is stored in large quantities on the inner wall due to the fact that the main ash falling pipe and the separation pipe are not vertical is avoided, the generation of ash blocking is reduced, and the practicability of the device is improved.

[0011] As a preferred technical scheme of the present application, the plug valve body comprises a fixed ring, a side fixing frame is arranged on one side of the outside of the fixed ring, a driving frame is arranged on the other side of the side fixing frame, a plug is slidably connected in the inside of the fixed ring, a stabilizing groove is fixedly connected in the inside of the fixed ring, and one side of the plug is arc-shaped and matched with the stabilizing groove.

[0012] By adopting the technical scheme, the stable groove is arranged, the plug-in plate and the plug-in plate valve body can be matched with each other, the overall sealing property of the plug-in plate valve body can be ensured, and the practicability of the device is further improved.

[0013] As a preferred technical scheme of the present application, the outer side of the main dust falling pipe is provided with a controller assembly electrically connected with the screw conveyor and the vibration mechanism.

[0014] By adopting the technical scheme, the controller assembly is arranged, the device can be better controlled externally during use, use is more convenient, and the practicability of the device is improved.

[0015] As a preferred technical scheme of the present application, one side of the two groups of driving frames is rotationally connected with a rotating ring, the upper side of the side fixed frame is provided with a working indicator lamp, and the working indicator lamp is electrically connected with the controller assembly.

[0016] By adopting the technical scheme, the rotating ring is arranged, the plug-in plate can be driven more conveniently and labor-savingly during use, and the practicability of the device is improved.

[0017] As a preferred technical scheme of the present application, one end of the output rod is provided with a buffer pad between the main dust falling pipe and the output rod.

[0018] By adopting the technical scheme, the buffer pad is arranged, the output rod and the outer wall of the main dust falling pipe can be provided with certain buffering during use, direct impact on the main dust falling pipe is reduced, the main dust falling pipe and the partition pipe are not damaged, and the practicability of the device is improved.

[0019] As a preferred technical scheme of the present application, the outer side of the sealing cover is provided with a handle, and the aperture of the main dust falling pipe is the same as the aperture of the partition pipe.

[0020] By adopting the technical scheme, the handle is arranged, the sealing cover can be opened more conveniently, the apertures of the main dust falling pipe and the partition pipe are the same, the smoothness of conveying can be ensured, and the phenomenon of blockage is reduced.

[0021] The present application has the following beneficial effects:

[0022] 1. By setting the main ash pipe, in use, the top of the main ash pipe is fixedly connected with the bucket elevator, the dust transported out from the inside of the bucket elevator enters into the inside of the main ash pipe, and the work switching of the two groups of screw conveyors can be realized through the separation of the two groups of plug-in valve bodies, so that in use, the main ash pipe can be branched at the middle position and then connected to the two screw conveyors respectively, the plug-in valve bodies are isolated, and in the normal running state, the two groups of plug-in valve bodies are in the state of one open and one closed, when a screw conveyor fails, the state of the plug-in valve body is switched, the screw conveyor is switched to transport ash normally, the disadvantage of switching the whole fly ash conveying line is avoided, the safety, stability and reliability of the whole conveying system are greatly increased, the workload caused by switching the conveying line is effectively reduced, and the work efficiency is further improved.

[0023] 2. By setting the maintenance groove, in use, the inside of the main ash pipe and the separation pipe can be maintained through the maintenance mechanism, the overall structure of the main ash pipe and the separation pipe is not changed, the normal ash conveying process is not affected, and the practicality of the device is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the overall structure diagram of the present application;

[0025] Figure 2 It is the main ash pipe and the separation pipe connection structure diagram of the present application;

[0026] Figure 3 It is the plug-in valve body structure diagram of the present application;

[0027] Figure 4 It is the maintenance mechanism structure diagram of the present application;

[0028] Figure 5 It is the vibration mechanism structure diagram of the present application.

[0029] In the drawing: 1, main ash pipe; 101, ash inlet; 102, connecting groove; 103, maintenance groove; 2, separation pipe; 3, plug-in valve body; 301, fixed ring; 302, side fixed frame; 303, plug-in plate; 304, driving frame; 305, rotating ring; 306, stabilizing groove; 307, working indicator light; 4, screw conveyor; 5, vibration mechanism; 501, connecting frame; 502, vibration motor; 503, output rod; 504, buffer pad; 6, maintenance mechanism; 601, hinged block; 602, sealing cover; 603, handle; 7, controller assembly. DETAILED DESCRIPTION

[0030] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of the present application.

[0031] With reference to Figures 1-5 The fly ash conveying device convenient for maintenance comprises a main ash falling pipe 1, an ash inlet 101 is arranged at the top of the main ash falling pipe 1, a connecting groove 102 is arranged in the middle of the main ash falling pipe 1, a partition pipe 2 is arranged outside the main ash falling pipe 1, the top end of the partition pipe 2 is located inside the connecting groove 102, the interiors of the main ash falling pipe 1 and the partition pipe 2 are communicated with each other, the main ash falling pipe 1 and the partition pipe 2 are arranged in a cross manner, the bottom ends of the main ash falling pipe 1 and the partition pipe 2 are both provided with a spiral conveyor 4, two groups of spiral conveyors 4 are respectively communicated with the partition pipe 2 and the main ash falling pipe 1, and the interiors of the main ash falling pipe 1 and the partition pipe 2 are both provided with a plug valve body 3. The outside of the main ash falling pipe 1 is provided with a vibration mechanism 5, the vibration mechanism 5 comprises a connecting frame 501, a vibration motor 502 is arranged outside the connecting frame 501, an output rod 503 is arranged at the output end of the vibration motor 502, and the output rod 503 is in abutment with the outer wall of the main ash falling pipe 1.

[0032] The main ash falling pipe 1 is arranged, in use, the top of the main ash falling pipe 1 is fixedly connected with the bucket elevator, the dust conveyed from the interior of the bucket elevator enters the interior of the main ash falling pipe 1, the separation of the two plug valve bodies 3 can realize the switching of the two spiral conveyors 4, in use, the middle part of the main ash falling pipe 1 can be branched, then connected to the two spiral conveyors 4 respectively, the plug valve body 3 is installed to isolate them, in the normal running state, the two plug valve bodies 3 are in the state of one open and one closed, when one of the spiral conveyors 4 fails, the state of the plug valve body 3 is switched, then the spiral conveyor 4 is switched to convey the ash normally, the disadvantage that the whole fly ash conveying line needs to be switched is avoided, the safety, stability and reliability of the whole conveying system are greatly improved, the workload caused by switching the conveying line is effectively reduced, and the work efficiency is further improved. The vibration mechanism 5 is arranged, in use, the exterior of the main ash falling pipe 1 and the partition pipe 2 can be vibrated, when the dust is conveyed in the interior of the main ash falling pipe 1, the phenomenon that the dust is retained on the inner wall due to the fact that the main ash falling pipe 1 and the partition pipe 2 are not vertical is avoided, the ash blocking phenomenon is reduced, and the practicability of the device is improved.

[0033] With reference to Figures 1-5The outer side of the main dust falling pipe 1 is provided with an inspection groove 103, and the outer side of the inspection groove 103 is provided with an inspection mechanism 6. The inspection mechanism 6 comprises two groups of hinged blocks 601 which are fixedly connected between the outer side of the main dust falling pipe 1 and the outer side of the inspection groove 103. The outer side of the two groups of hinged blocks 601 is provided with a sealing cover 602. The plug valve body 3 comprises a fixed ring 301. The outer side of the fixed ring 301 is provided with a side fixed frame 302. The other side of the side fixed frame 302 is provided with a driving frame 304. The plug 303 is slidably connected in the fixed ring 301. The fixed ring 301 is fixedly connected with a stabilizing groove 306. One side of the plug 303 is arc-shaped and matched with the stabilizing groove 306. One side of the two groups of driving frames 304 is rotatably connected with a rotating ring 305. The upper side of the side fixed frame 302 is provided with a working indicator lamp 307 which is electrically connected with the controller assembly 7. By arranging the inspection groove 103, the inside of the main dust falling pipe 1 and the partition pipe 2 can be inspected by the inspection mechanism 6 without changing the overall structure of the main dust falling pipe 1 and the partition pipe 2, without affecting the normal dust conveying process, and further improving the practicability of the device. By arranging the stabilizing groove 306, the plug valve body 3 can be matched with the plug 303 to ensure the overall sealing property of the plug valve body 3, and further improve the practicability of the device. By arranging the rotating ring 305, the plug 303 can be driven more conveniently and labor-savingly in use, and the practicability of the device is improved.

[0034] Referring to Figures 1-5 The outer side of the main dust falling pipe 1 is provided with a controller assembly 7 which is electrically connected with the screw conveyor 4 and the vibrating mechanism 5. By arranging the controller assembly 7, the device can be better controlled externally, which is more convenient in use and improves the practicability of the device. One end of the output rod 503 is provided with a buffer pad 504 which is located between the main dust falling pipe 1 and the output rod 503. By arranging the buffer pad 504, the outer wall of the main dust falling pipe 1 can be buffered for the output rod 503, the direct impact on the main dust falling pipe 1 is reduced, the main dust falling pipe 1 and the partition pipe 2 are not damaged, and the practicability of the device is improved. The outer side of the sealing cover 602 is provided with a handle 603. The aperture of the main dust falling pipe 1 is the same as that of the partition pipe 2. By arranging the handle 603, the sealing cover 602 can be opened more conveniently. The apertures of the main dust falling pipe 1 and the partition pipe 2 are the same to ensure the smoothness of conveying and reduce the blocking phenomenon.

[0035] Working principle: by setting the main ash pipe 1, in use, the top of the main ash pipe 1 is fixedly connected between the bucket elevator, the dust transported from the inside of the bucket elevator enters the inside of the main ash pipe 1, and the two groups of plug-in valve bodies 3 can realize the working switching of the two groups of screw conveyors 4. In use, the middle part of the main ash pipe 1 can be branched, and then connected to two screw conveyors 4 respectively. The plug-in valve body 3 is installed to isolate it. In normal operating state, the two groups of plug-in valve bodies 3 are in one open and one closed state. When one of the screw conveyors 4 fails, the state of the plug-in valve body 3 is switched, so that the screw conveyor 4 can be switched to normal dust conveying, which avoids the disadvantages of switching the whole fly ash conveying line, greatly increases the safety, stability and reliability of the whole conveying system, effectively reduces the workload caused by switching the conveying line, further improves the work efficiency, and improves the practicability of the device;

[0036] Among them, by setting the vibration mechanism 5, in use, the outside of the main ash pipe 1 and the separation pipe 2 can be vibrated, which can ensure that the dust in the main ash pipe 1 is conveyed, avoid the phenomenon that the dust is stored in the inner wall due to the insufficient verticality of the main ash pipe 1 and the separation pipe 2, reduce the generation of ash blocking phenomenon, improve the practicability of the device, and set the stable groove 306. The plug-in plate 303 can cooperate with each other to ensure the overall sealing property of the plug-in valve body 3, and further improve the practicability of the device;

[0037] At the same time, by setting the controller assembly 7, in use, the device can be better controlled from the outside, which is more convenient in use and improves the practicability of the device;

[0038] In addition, by setting the rotating ring 305, in use, the driving of the plug-in plate 303 can be more convenient and labor-saving, and the practicability of the device is improved; by setting the buffer pad 504, in use, the output rod 503 and the outer wall of the main ash pipe 1 can provide certain buffer, reduce the direct impact on the main ash pipe 1, and will not cause damage to the main ash pipe 1 and the separation pipe 2, improve the practicability of the device; by setting the handle 603, the sealing cover 602 can be opened more conveniently, and the same aperture of the main ash pipe 1 and the separation pipe 2 can ensure the smoothness of conveying and reduce the phenomenon of blocking.

[0039] The above merely describes the preferred embodiments of the present application, and is not used to limit the present application, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or make equivalent replacements to some technical features, within the spirit and principle of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fly ash conveying device with easy access for maintenance, comprising a main ash fall pipe (1), characterized in that, The top of the main ash falling pipe (1) is provided with an ash inlet (101), the middle part of the main ash falling pipe (1) is provided with a connecting groove (102), the outer side of the main ash falling pipe (1) is provided with a partition pipe (2), the top end of the partition pipe (2) is located in the connecting groove (102), the interiors of the main ash falling pipe (1) and the partition pipe (2) are communicated with each other, the main ash falling pipe (1) and the partition pipe (2) are arranged in a cross manner, the bottom ends of the main ash falling pipe (1) and the partition pipe (2) are provided with spiral conveyors (4), two groups of the spiral conveyors (4) are communicated with the partition pipe (2) and the main ash falling pipe (1) respectively, and the interiors of the main ash falling pipe (1) and the partition pipe (2) are provided with plug valve bodies (3).

2. A fly ash delivery device for convenient access according to claim 1, wherein, The outer side of the main ash falling pipe (1) is provided with an inspection groove (103), the outer side of the inspection groove (103) is provided with an inspection mechanism (6), and the inspection mechanism (6) comprises two groups of hinged blocks (601) which are fixedly connected with the outer side of the main ash falling pipe (1), and the outer sides of the two groups of hinged blocks (601) are provided with sealing covers (602).

3. A fly ash conveying device for easy maintenance according to claim 1, wherein The outer side of the main ash falling pipe (1) is provided with a vibration mechanism (5), the vibration mechanism (5) comprises a connecting frame (501), the outer side of the connecting frame (501) is provided with a vibration motor (502), the output end of the vibration motor (502) is provided with an output rod (503), and the output rod (503) is in abutment with the outer wall of the main ash falling pipe (1).

4. A fly ash delivery device for convenient access according to claim 3, wherein, The plug valve body (3) comprises a fixed ring (301), the outer side of the fixed ring (301) is provided with a side fixed frame (302), the other side of the side fixed frame (302) is provided with a driving frame (304), the inside of the fixed ring (301) is slidably connected with a plug (303), the inside of the fixed ring (301) is fixedly connected with a stabilizing groove (306), and one side of the plug (303) is arc-shaped and matched with the stabilizing groove (306).

5. A fly ash delivery device for convenient access according to claim 4, wherein, The outer side of the main ash falling pipe (1) is provided with a controller assembly (7), and the controller assembly (7) is electrically connected with the spiral conveyor (4) and the vibration mechanism (5).

6. A fly ash delivery device for convenient access according to claim 5, wherein, One side of the two groups of driving frames (304) is rotatably connected with a rotating ring (305), the upper side of the side fixed frame (302) is provided with a working indicator lamp (307), and the working indicator lamp (307) is electrically connected with the controller assembly (7).

7. A fly ash delivery device for convenient access according to claim 3, wherein, One end of the output rod (503) is provided with a buffer pad (504), and the buffer pad (504) is located between the main ash falling pipe (1) and the output rod (503).

8. A fly ash delivery device for convenient access according to claim 2, wherein, The outer side of the sealing cover (602) is provided with a handle (603), and the aperture of the main ash falling pipe (1) is the same as the aperture of the partition pipe (2).

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