CN209991842U - Mechanical rapping device of coiled pipe heat exchanger - Google Patents
Mechanical rapping device of coiled pipe heat exchanger Download PDFInfo
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- CN209991842U CN209991842U CN201920529797.2U CN201920529797U CN209991842U CN 209991842 U CN209991842 U CN 209991842U CN 201920529797 U CN201920529797 U CN 201920529797U CN 209991842 U CN209991842 U CN 209991842U
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Abstract
The utility model relates to a mechanical rapping device of a coiled pipe heat exchanger in the technical field of garbage end treatment devices, which comprises a plurality of rapping units, wherein each rapping unit is simultaneously connected with the lower arc transition sections at the same side positions of all the coiled pipes of a superheater, and the number of the plurality of rapping units is equal to the number of the lower arc transition sections of a single coiled pipe; each rapping unit comprises the following parts: the comb-shaped plate is provided with a plurality of clamping grooves with downward openings; the positioning plates are the same in number as the clamping grooves and are inserted into the clamping grooves one by one, and one positioning plate is welded on the inner side of each lower arc transition section at the same side position of all the coiled pipes; and a rapping plate fixedly welded at one end of the comb-shaped plate and used for receiving rapping acting force. The device is convenient to be installed in combination with the superheater, surface dust can be removed by fully utilizing the device, the heat exchange efficiency is increased, and the phenomenon of furnace shutdown caused by dust deposition is avoided.
Description
Technical Field
The utility model relates to a rubbish end treatment device, specifically, is rapping device of coiled pipe heat exchanger.
Background
Along with the popularization of the incineration mode for the tail end treatment of the garbage, the garbage incineration is increasingly large. The heat generated by the incinerator is used for generating steam through a waste heat boiler for power generation. The arrangement of the waste heat boiler mostly adopts horizontal arrangement or vertical arrangement, the superheater is mostly arranged in an outlet channel of the incinerator, the superheater is provided with a plurality of units which are arranged in parallel at equal intervals in the horizontal direction, the arrangement direction line is perpendicular to the hot air flow direction of the outlet channel of the incinerator, each unit adopts a serpentine pipe structure, each unit forms a roughly sheet-shaped structure on the whole, and each serpentine pipe is provided with a plurality of arc transition sections.
The superheater is arranged at the outlet of the incinerator mostly, is in a high-temperature and high-ash area, has severe working conditions, and causes serious surface dust accumulation due to complex smoke components, increases the smoke resistance of the incinerator, even causes shutdown for ash removal, and influences normal operation. Therefore, in order to increase the circulation space, the superheater is mostly in the form of a serpentine pipe, but the superheater in the form of a plate layout is not favorable for installing the mechanical rapping device with the ash removal function.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mechanical rapping device of coiled tube heat exchanger is convenient for combine the installation with the over heater, can make full use of the device clear away surface deposition, increases heat exchange efficiency, avoids the blowing out phenomenon because of the deposition leads to.
The purpose of the utility model is realized like this: the mechanical rapping device of the coiled tube heat exchanger comprises a plurality of rapping units, wherein each rapping unit is simultaneously connected with lower arc transition sections at the same side position of all the coiled tubes of the superheater, and the number of the plurality of rapping units is equal to that of the lower arc transition sections of a single coiled tube;
each rapping unit comprises the following parts:
the comb-shaped plate is provided with a plurality of clamping grooves with downward openings, the length direction of the comb-shaped plate is parallel to the arrangement direction of all the coiled pipes of the superheater, and the comb-shaped plate penetrates through the inner side area of the lower arc transition section;
the positioning plates are the same in number as the clamping grooves and are inserted into the clamping grooves one by one, and one positioning plate is welded on the inner side of each lower arc transition section at the same side position of all the coiled pipes; and
a rapping plate fixedly welded at one end of the comb-shaped plate and used for receiving rapping acting force;
wherein, the locating plate inserts in the draw-in groove with interference fit's mode.
Furthermore, each rapping unit also comprises a reinforcing rib, the reinforcing rib is welded on the plate surface of the comb-shaped plate, and the length direction of the reinforcing rib is parallel to the length direction of the comb-shaped plate.
Further, a vibration motor is mounted on the vibrating plate.
Further, the vibrating plate and the comb-shaped plate are of flat plate structures, and the surface of the vibrating plate is perpendicular to the surface of the comb-shaped plate.
Further, the vibrating motor is detachably mounted on the surface of the vibrating plate.
Furthermore, the reinforcing ribs and the clamping grooves are mutually staggered.
The beneficial effects of the utility model reside in that: the device is convenient to combine with the superheater for installation, can fully utilize the device to clear away surface dust, and can relatively evenly distribute the rapping action force to all the coiled pipes, utilize high-frequency vibration to remove the dust, make the dust on every coiled pipe can both be effectively clear away, thereby increase heat exchange efficiency, avoid the blowing out phenomenon because of the dust leads to.
Drawings
Fig. 1 is a schematic view of the installation position of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic left side view of fig. 2.
Fig. 4 is a sectional view B-B in fig. 2.
In the figure, 1 incinerator, 1a outlet channel, 2 superheater, 201 serpentine pipe, 201a lower arc transition section, 3 comb-shaped plate, 3a clamping groove, 4 reinforcing ribs, 5 positioning plate, 6 vibrating plate, 7 vibrating motor and 8 vibrating unit.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-4, the mechanical rapping device of the serpentine tube heat exchanger, which is installed on the superheater 2 and is located in the outlet channel 1a of the incinerator 1 together with the superheater 2, comprises a plurality of rapping units 8, each rapping unit 8 is simultaneously connected with the lower arc transition sections 201a of the superheater 2 at the same side position of all the serpentine tubes 201, and the number of the plurality of rapping units 8 is equal to the number of the lower arc transition sections 201a of a single serpentine tube 201.
Each rapping unit 8 comprises the following parts:
the device comprises a comb-shaped plate 3, wherein the comb-shaped plate 3 is provided with a plurality of clamping grooves 3a with downward openings, the length direction of the comb-shaped plate 3 is parallel to the arrangement direction of all the coiled pipes 201 of the superheater 2, and the comb-shaped plate 3 passes through the inner side area of the lower arc transition section 201 a;
the positioning plates 5 are the same in number as the clamping grooves 3a and are inserted into the clamping grooves 3a one by one, and one positioning plate 5 is welded on the inner side of each lower arc transition section 201a at the same side position of all the coiled pipes 201; and
a rapping plate 6 fixedly welded at one end of the comb-shaped plate 3 and used for receiving rapping acting force.
The positioning plate 5 is inserted into the slot 3a in an interference fit manner, and the expansion coefficient of the coiled pipe 201 is fully considered.
Each rapping unit 8 also comprises a reinforcing rib 4 which is mutually staggered with the clamping groove 3a, the reinforcing ribs 4 are welded on the plate surface of the comb-shaped plate 3, and the length direction of the reinforcing ribs 4 is parallel to the length direction of the comb-shaped plate 3. So as to strengthen the structural strength of the comb-shaped plate 3 and adapt to the rapping action of high frequency.
The vibrating plate 6 is provided with a vibrating motor 7, and the vibrating motor 7 is detachably mounted on the surface of the vibrating plate 6. The vibration is generated by means of a vibration motor 7 so that the entire rapping unit 8 is vibrated, thereby causing the entire superheater 2 to vibrate uniformly in order to shake off ash deposits on all surfaces of the superheater 2.
The vibrating plate 6 and the comb-shaped plate 3 are of flat plate structures, and the plate surface of the vibrating plate 6 is perpendicular to the plate surface of the comb-shaped plate 3.
The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and such changes or improvements should fall within the protection scope of the present invention.
Claims (6)
1. Mechanical rapping device of coiled tube heat exchanger, its characterized in that: the device comprises a plurality of rapping units (8), wherein each rapping unit (8) is simultaneously connected with lower arc transition sections (201a) at the same side position of all the serpentine tubes (201) of a superheater (2), and the number of the plurality of rapping units (8) is equal to that of the lower arc transition sections (201a) of a single serpentine tube (201);
each rapping unit (8) comprises the following parts:
the device comprises a comb-shaped plate (3), wherein the comb-shaped plate (3) is provided with a plurality of clamping grooves (3a) with downward openings, the length direction of the comb-shaped plate (3) is parallel to the arrangement direction of all the coiled pipes (201) of the superheater (2), and the comb-shaped plate (3) penetrates through the inner side area of a lower arc transition section (201 a);
a plurality of positioning plates (5) which are the same in number as the clamping grooves (3a) and are inserted into the clamping grooves (3a) one by one, wherein one positioning plate (5) is welded on the inner side of each lower arc transition section (201a) at the same side position of all the coiled pipes (201); and
a rapping plate (6) fixedly welded at one end of the comb-shaped plate (3) and used for receiving rapping acting force;
the positioning plate (5) is inserted into the clamping groove (3a) in an interference fit mode.
2. A mechanical rapping device for a serpentine tube heat exchanger as defined in claim 1, wherein: each rapping unit (8) further comprises a reinforcing rib (4), the reinforcing ribs (4) are welded on the plate surface of the comb-shaped plate (3), and the length direction of the reinforcing ribs (4) is parallel to the length direction of the comb-shaped plate (3).
3. A mechanical rapping device for a serpentine tube heat exchanger as defined in claim 1, wherein: and a vibrating motor (7) is arranged on the vibrating plate (6).
4. A mechanical rapping device for a serpentine tube heat exchanger as defined in claim 3, wherein: the vibrating plate (6) and the comb-shaped plate (3) are of flat plate structures, and the surface of the vibrating plate (6) is perpendicular to the surface of the comb-shaped plate (3).
5. A mechanical rapping device for a serpentine tube heat exchanger according to claim 4, wherein: the vibrating motor (7) is detachably arranged on the surface of the vibrating plate (6).
6. A mechanical rapping device for a serpentine tube heat exchanger as defined in claim 2, wherein: the reinforcing ribs (4) and the clamping grooves (3a) are staggered with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920529797.2U CN209991842U (en) | 2019-04-18 | 2019-04-18 | Mechanical rapping device of coiled pipe heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920529797.2U CN209991842U (en) | 2019-04-18 | 2019-04-18 | Mechanical rapping device of coiled pipe heat exchanger |
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| Publication Number | Publication Date |
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| CN209991842U true CN209991842U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920529797.2U Active CN209991842U (en) | 2019-04-18 | 2019-04-18 | Mechanical rapping device of coiled pipe heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578772A (en) * | 2020-04-17 | 2020-08-25 | 江联重工集团股份有限公司 | Detachable rapping device of being convenient for msw incineration boiler and living beings boiler |
-
2019
- 2019-04-18 CN CN201920529797.2U patent/CN209991842U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578772A (en) * | 2020-04-17 | 2020-08-25 | 江联重工集团股份有限公司 | Detachable rapping device of being convenient for msw incineration boiler and living beings boiler |
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