CN215843602U - Cathode rapping device for high-temperature electrostatic dust collector - Google Patents
Cathode rapping device for high-temperature electrostatic dust collector Download PDFInfo
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- CN215843602U CN215843602U CN202121410032.0U CN202121410032U CN215843602U CN 215843602 U CN215843602 U CN 215843602U CN 202121410032 U CN202121410032 U CN 202121410032U CN 215843602 U CN215843602 U CN 215843602U
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Abstract
The utility model relates to the technical field of electrostatic dust removal, in particular to a cathode rapping device for a high-temperature electrostatic dust collector, which comprises a speed reduction motor and an electric ceramic rotating shaft, wherein one end of the electric ceramic rotating shaft is connected to the power output end of the speed reduction motor, and the other end of the electric ceramic rotating shaft is in transmission connection with a rapping shaft; the vibrating shaft comprises a first shaft, a second shaft and a third shaft which are sequentially arranged in the direction far away from the electric porcelain rotating shaft, and gaps are formed between the end parts of the first shaft and the second shaft and between the end parts of the second shaft and the third shaft; short arms arranged at intervals along the length direction of the first shaft, the second shaft and the third shaft are arranged on the shaft bodies of the first shaft, the second shaft and the third shaft, and the suspension ends of the short arms are connected with a rapping hammer through a pin shaft; according to the utility model, the rapping shaft is split into the multi-section structure, and the adjacent end parts of the multi-section structure are provided with the gaps, so that the extrusion displacement caused by the expansion of the rapping shaft due to thermal expansion and cold contraction is effectively avoided, and the stability of the cathode rapping transmission mechanism in the rapping process is ensured.
Description
Technical Field
The utility model relates to the technical field of electrostatic dust removal, in particular to a cathode rapping device for a high-temperature electrostatic dust collector.
Background
The electrostatic dust collector is an ideal equipment for purifying industrial waste gas, and its purification operation is mainly implemented by means of two systems of discharge electrode and precipitation electrode, when a high-voltage direct current is inputted between two electrodes, negative ions and positive ions are produced in the electrode space, and act on the surface of waste gas particles passed through the electrostatic field, so that the waste gas particles can be moved toward the electrode whose polarity is opposite under the action of electric field force, and can be precipitated on the electrode so as to attain the goal of collecting dust. The two-pole system is provided with a rapping device, when a rapping hammer periodically raps the two-pole system, dust adhered to the electrode is shaken off and falls into a lower ash bucket to be discharged out of the machine body through an ash discharge device, and purified waste gas is discharged into the atmosphere through an outlet and a chimney, so that the purification of flue gas is completed.
At present, rapping devices suitable for electrostatic precipitators comprise an electromagnetic hammer top rapping device and a gear motor side-drive side rapping device; the lateral transmission side rapping device of the speed reduction motor has the defects of uneven rapping acceleration transmission, transverse shearing force and the like, and in addition, under the condition of high temperature, due to the influence of expansion with heat and contraction with cold of a system, the rapping hammer is difficult to align the impact center of the rapping rod, the stress effect of the rapping rod is poor, and the dust collecting effect and the service life of equipment are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a cathode rapping device for a high-temperature electrostatic dust collector, which effectively avoids extrusion displacement generated by expansion of a rapping shaft due to expansion with heat and contraction with cold under a high-temperature environment, and ensures the stability of the cathode rapping device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a cathode rapping device for a high temperature electrostatic precipitator, comprising:
the speed reducing motor is arranged outside the side wall of the electrostatic dust collector and used for providing power;
one end of the electric porcelain rotating shaft is connected to the power output end of the speed reducing motor, and the other end of the electric porcelain rotating shaft is in transmission connection with a vibrating shaft arranged in the electrostatic dust collector;
the vibrating shaft comprises a first shaft, a second shaft and a third shaft which are sequentially arranged in the direction far away from the electric porcelain rotating shaft, the end parts of the first shaft and the second shaft, the end parts of the second shaft and the third shaft are fixedly connected through a half coupling, and gaps are formed between the end parts of the first shaft and the second shaft and between the end parts of the second shaft and the third shaft;
the shaft bodies of the first shaft, the second shaft and the third shaft are provided with short arms arranged at intervals along the length direction of the first shaft, the second shaft and the third shaft, and the suspension ends of the short arms are connected with a rapping hammer through pin shafts.
In a further aspect, said cathode rapping device further comprises:
and the insulation box is fixed outside the side wall of the electrostatic dust collector and sleeved on the electroceramic rotating shaft.
In a further technical scheme, the inboard of side wall is equipped with the baffle of a parallel interval arrangement, is equipped with a through-hole on the baffle and supplies the primary shaft pass, one side that the side wall was kept away from to the through-hole is equipped with the sealing washer, is equipped with first packing ring outward, be equipped with a split pin on the axle body of primary shaft, one side that the split pin closes on first packing ring is equipped with the second packing ring, and is equipped with the spring between first packing ring and second packing ring.
In a further technical scheme, the end parts of the first shaft and the second shaft are respectively provided with a first half coupling, and the outer edges of the first half couplings on the first shaft and the second shaft are locked and fixed through bolts;
and the end parts of the second shaft and the third shaft are respectively provided with a second half coupling, and the outer edges of the second half couplings positioned on the second shaft and the third shaft are fixedly connected through a third half coupling.
In a further technical scheme, two ends of the electroceramic rotating shaft are respectively connected to a power output end of the speed reducing motor and an end of the first shaft through universal couplings.
In a further technical scheme, the first shaft, the second shaft and the third shaft are all supported by bearings mounted on bearing seats.
In a further technical scheme, the cathode rapping device further comprises a bracket which is fixed outside the side wall and arranged in a horizontally extending manner, and the speed reduction motor is fixed on the bracket.
In a further technical scheme, a supporting angle steel which is obliquely arranged is arranged between the bracket and the outer part of the side wall.
Compared with the prior art, the utility model has the following technical effects:
the cathode rapping device for the high-temperature electrostatic dust collector is split into a multi-section structure through the rapping shaft, and a gap is arranged at the adjacent end part of the multi-section structure, so that extrusion displacement generated by expansion of the rapping shaft due to thermal expansion and cold contraction can be effectively avoided when the cathode rapping device is used in a high-temperature environment, and the stability of a cathode rapping transmission mechanism in a rapping process is ensured.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
Fig. 1 shows a schematic view of a cathode rapping device for a high-temperature electrostatic precipitator, which is provided in accordance with an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of position A of FIG. 1;
FIG. 3 is a schematic view of the connection of the ends of the first and second shafts in the present invention;
FIG. 4 is a schematic view showing the connection of the ends of the second and third shafts in the present invention;
the reference numbers in the figures illustrate: 1-side wall, 2-bracket, 3-support angle steel, 4-rapping rod, 10-gear motor, 20-electroceramic rotating shaft, 21-universal coupling, 30-rapping shaft, 301-bearing, 31-first shaft, 311-cotter pin, 32-second shaft, 33-third shaft, 34-short arm, 35-rapping hammer, 36-first half coupling, 37-bolt, 38-second half coupling, 39-third half coupling, 40-heat preservation box, 50-baffle, 51-sealing ring, 52-first gasket, 53-second gasket and 54-spring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further clarified by combining the specific drawings.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, the present invention provides a cathode rapping device for high-temperature electrostatic precipitator, comprising a speed reduction motor 10 and an electroceramic rotating shaft 20; the electric ceramic rotating shaft 20 is arranged outside the side wall 1 of the electrostatic dust collector and is used for providing power, one end of the electric ceramic rotating shaft is connected to a power output end of the electric ceramic rotating shaft 10, and the other end of the electric ceramic rotating shaft is in transmission connection with a rapping shaft 30 arranged inside the electrostatic dust collector;
the rapping shaft 30 comprises a first shaft 31, a second shaft 32 and a third shaft 33 which are sequentially arranged in the direction far away from the electric porcelain rotating shaft 20, the end parts of the first shaft 31 and the second shaft 32, the end parts of the second shaft 32 and the third shaft 33 are fixedly connected through half couplings, and gaps are reserved between the end parts of the first shaft 31 and the second shaft 32 and between the end parts of the second shaft 32 and the third shaft 33; short arms 34 arranged at intervals along the length direction of the first shaft 31, the second shaft 32 and the third shaft 33 are arranged on the shaft bodies, and the suspension ends of the short arms 34 are connected with rapping hammers 35 through pin shafts.
In the technical scheme provided by the utility model, the rapping shaft 30 is divided into the first shaft 31, the second shaft 32 and the third shaft 33, and gaps are respectively arranged between the end parts of the first shaft 31 and the second shaft 32 and between the end parts of the second shaft 32 and the third shaft 33; therefore, in a high-temperature use environment, the extrusion displacement of the rapping shaft caused by thermal expansion and cold contraction is effectively avoided, the rapping hammer 35 is ensured to be always over against the impact center of the rapping rod 4, and the stability of the cathode rapping transmission mechanism in the rapping process is further improved.
In the utility model, the cathode rapping device also comprises an insulation box 40, wherein the insulation box 40 is fixed outside the side wall 1 of the electrostatic dust collector and sleeved on the electroceramic rotating shaft 20.
In the utility model, a baffle 50 arranged in parallel at intervals is arranged on the inner side of the side wall 1, a through hole is arranged on the baffle 50 for the first shaft 31 to pass through, a sealing ring 51 is arranged on one side of the through hole far away from the side wall 1, a first gasket 52 is arranged outside the sealing ring 51, a split pin 311 is arranged on the shaft body of the first shaft 31, a second gasket 53 is arranged on one side of the split pin 311 close to the first gasket 52, and a spring 54 is arranged between the first gasket 52 and the second gasket 53. The elastic force of the spring 54 urges the first gasket 52 to press against the seal ring 51.
In the present invention, as a specific embodiment of the connection between the ends of the first shaft 31 and the second shaft 32, and the connection between the ends of the second shaft 32 and the third shaft 33, the ends of the first shaft 31 and the second shaft 32 are respectively provided with a first half coupling 36, and the outer edges of the first half couplings 36 on the first shaft 31 and the second shaft 32 are locked and fixed by bolts 37; the ends of the second shaft 32 and the third shaft 33 are respectively provided with a second half coupling 38, and the outer edges of the second half couplings 38 positioned on the second shaft 32 and the third shaft 33 are fixedly connected through a third half coupling 39.
In the present invention, the end gaps of the first shaft 31 and the second shaft 32 and the end gaps of the second shaft 32 and the third shaft 33 can be selected in a wide range, and in a specific embodiment of the present invention, the distance between the ends of the first shaft 31 and the second shaft 32 is 2mm, and the distance between the ends of the second shaft 32 and the third shaft 33 is 20 mm.
In the present invention, both ends of the electric porcelain rotating shaft 20 are respectively connected to the power output end of the reduction motor 10 and the end of the first shaft 31 through universal couplings 21. Through the arrangement of the universal coupling 21, the phenomenon that the transmission of power is influenced due to the fact that the rotating center line of the vibrating shaft 30 is inconsistent with the rotating center line of the output shaft of the speed reducing motor 10 caused by installation errors is avoided, and the running stability of equipment is improved.
In the present invention, the first shaft 31, the second shaft 32 and the third shaft 33 are all supported by bearings 301 mounted on bearing blocks.
In the utility model, the cathode rapping device also comprises a bracket 2 which is fixed outside the side wall 1 and is arranged in a horizontal extending way, and the speed reducing motor 10 is fixed on the bracket 2. Furthermore, in order to improve the stability of the bracket 2, a supporting angle steel 3 which is obliquely arranged is arranged between the bracket 2 and the outside of the side wall 1.
In the specific working process of the cathode rapping device provided by the utility model, the power output end of the speed reducing motor 10 drives the rapping shaft 30 to rotate through the electroceramic rotating shaft 20, so as to drive the short arm 34 on the rapping shaft 30 to swing, the short arm 34 drives the rapping hammer 35 to rotate, and after the rapping hammer 35 rotates to a vertical state, the rapping hammer 35 rotates and falls down around a pin shaft of the rapping hammer and the short arm 34 under the action of inertia and gravity, and raps the rapping rod 4 fixed on a cathode top beam, so as to cause the cathode line to vibrate, thereby achieving the purpose of cathode ash removal.
The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A cathode rapping device for a high-temperature electrostatic precipitator, comprising:
the speed reducing motor (10), the speed reducing motor (10) is arranged outside the side wall (1) of the electrostatic dust collector and used for providing power;
one end of the electric porcelain rotating shaft (20) is connected to the power output end of the speed reducing motor (10), and the other end of the electric porcelain rotating shaft (20) is in transmission connection with a rapping shaft (30) arranged inside the electrostatic dust collector;
the vibrating shaft (30) comprises a first shaft (31), a second shaft (32) and a third shaft (33) which are sequentially arranged in the direction far away from the electric porcelain rotating shaft (20), the end parts of the first shaft (31) and the second shaft (32) are connected and fixed through a half coupling, and gaps are reserved between the end parts of the first shaft (31) and the second shaft (32) and between the end parts of the second shaft (32) and the third shaft (33);
the shaft body of the first shaft (31), the second shaft (32) and the third shaft (33) is provided with short arms (34) which are arranged at intervals along the length direction of the first shaft, and the suspension ends of the short arms (34) are connected with a rapping hammer (35) through pin shafts.
2. A cathode rapping device for a high-temperature electrostatic precipitator, as defined in claim 1, further comprising:
and the insulation box (40) is fixed outside the side wall (1) of the electrostatic dust collector and sleeved on the electroceramics rotating shaft (20).
3. The cathode rapping device for a high-temperature electrostatic precipitator according to claim 1, wherein the inner side of the side wall (1) is provided with a baffle (50) arranged in parallel at an interval, the baffle (50) is provided with a through hole for the first shaft (31) to pass through, one side of the through hole far away from the side wall (1) is provided with a sealing ring (51), the sealing ring (51) is externally provided with a first gasket (52), the shaft body of the first shaft (31) is provided with an open pin (311), one side of the open pin (311) close to the first gasket (52) is provided with a second gasket (53), and a spring (54) is arranged between the first gasket (52) and the second gasket (53).
4. A cathode rapping device for high temperature electrostatic precipitators as recited in claim 1, characterized in that the ends of said first shaft (31) and said second shaft (32) are respectively provided with a first half coupling (36), and the outer edges of the first half couplings (36) located on the first shaft (31) and the second shaft (32) are locked and fixed by bolts (37);
the ends of the second shaft (32) and the third shaft (33) are respectively provided with a second half coupling (38), and the outer edges of the second half couplings (38) positioned on the second shaft (32) and the third shaft (33) are fixedly connected through a third half coupling (39).
5. A cathode rapping device for high temperature electrostatic precipitators, as per claim 1, characterized in that both ends of said electroceramic rotating shaft (20) are connected to the power take-off of the gear motor (10) and the end of the first shaft (31) through universal couplings (21), respectively.
6. A cathode rapping device for high temperature electrostatic precipitators as defined in claim 1, wherein said first shaft (31), second shaft (32), and third shaft (33) are all supported by bearings (301) mounted on bearing blocks.
7. A cathode rapping device for high temperature electrostatic precipitators as defined in claim 1, further comprising a bracket (2) fixed outside the side wall (1) and extending horizontally, said reduction motor (10) being fixed to said bracket (2).
8. A cathode rapping device for high-temperature electrostatic precipitators, as per claim 7, characterized in that an obliquely arranged support angle iron (3) is provided between said bracket (2) and the outside of the side wall (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410032.0U CN215843602U (en) | 2021-06-23 | 2021-06-23 | Cathode rapping device for high-temperature electrostatic dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410032.0U CN215843602U (en) | 2021-06-23 | 2021-06-23 | Cathode rapping device for high-temperature electrostatic dust collector |
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| Publication Number | Publication Date |
|---|---|
| CN215843602U true CN215843602U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121410032.0U Active CN215843602U (en) | 2021-06-23 | 2021-06-23 | Cathode rapping device for high-temperature electrostatic dust collector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399119A (en) * | 2021-06-23 | 2021-09-17 | 安徽意义环保工程有限公司 | Cathode rapping device for high-temperature electrostatic dust collector |
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2021
- 2021-06-23 CN CN202121410032.0U patent/CN215843602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399119A (en) * | 2021-06-23 | 2021-09-17 | 安徽意义环保工程有限公司 | Cathode rapping device for high-temperature electrostatic dust collector |
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