CN204243967U - Carbon dust dedusting structure - Google Patents
Carbon dust dedusting structure Download PDFInfo
- Publication number
- CN204243967U CN204243967U CN201420700142.4U CN201420700142U CN204243967U CN 204243967 U CN204243967 U CN 204243967U CN 201420700142 U CN201420700142 U CN 201420700142U CN 204243967 U CN204243967 U CN 204243967U
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- Prior art keywords
- dust
- carbon
- collector ring
- suction port
- gathering arrester
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Abstract
The utility model discloses a kind of carbon dust dedusting structure, comprise dust gathering arrester, the collector ring that described dust gathering arrester is arranged on generator is peripheral, and and between the collector ring of generator, form closed chamber, and dust gathering arrester has the suction port with closed chamber; Described enclosed cavity indoor are provided with the dust-break block that the radial direction along collector ring is arranged, and described dust-break block is corresponding with the position of suction port.The enclosed cavity indoor that the utility model is formed at dust gathering arrester and collector ring add dust-break block, and dust-break block is used for blocking at the indoor carbon dust with air flowing of enclosed cavity, carbon dust is flowed in suction port, so just substantially increases dust removing effects.
Description
Technical field
The utility model belongs to technical field of generators, specifically relates to a kind of carbon dust dedusting structure for carrying out dust removal process to collector ring of generator and the fricative carbon dust of carbon brush.
Background technology
In hydraulic generator unit running process, because collector ring is in High Rotation Speed all the time, and carbon brush configuration belongs to stationary parts, the collector ring of High Rotation Speed contacts with the carbon brush in carbon brush configuration, certainly lead to friction between the two, this kind of friction will inevitably cause carbon brush abrasion, carbon brush abrasion can form a large amount of tiny carbon dust, carbon dust spreads in the carbon brush chamber of generator, and rotate under the drive of air-flow, if do not carry out dust removal process to these dust, will inevitably along with the inside rotating into generator of unit, further pollution stator winding and excitation winding etc., thus affect the safe operation of unit, also the faults such as coil short can be caused time serious, for avoiding the generation of dust, generator manufactory have employed multiple method, as chosen the carbon brush of function admirable or the contact site fluting etc. at carbon brush and collector ring, but effect is all undesirable.
In order to solve the problem, the applicant has applied for a kind of carbon powder collection device of cross flow type hydro-generator on August 26th, 2009, it arranges dust shield between carbon brush and collector ring, and the cavity between carbon brush and collector ring is closed by dust shield, forms closed cavity; Dust shield arranges suction port, and dedusting treater is communicated with suction port.The carbon dust that the closed cavity that carbon brush and collector ring are formed produces for sealing carbon brush abrasion, avoids carbon dust to pollute generator and space around thereof, prevents carbon dust along with the internal contamination stator winding rotating into generator of unit and excitation winding etc.; Meanwhile, utilize the suction effect of dust cleaning apparatus, the carbon dust that carbon brush abrasion produces is siphoned away.
In addition, on September 28th, 2011, the applicant has applied for that a kind of generator is charged and has changed brush and carbon powder collecting device, comprise Generator Slip Ring (i.e. collector ring) and brush holder and carbon brush component, relative sliding between Generator Slip Ring and brush holder and carbon brush component, brush holder and carbon brush component surround by enclosed hood, form closed cavity; One end of dust collection pipeline is connected with closed cavity, and its other end is connected with dust suction processing unit; Dust suction processing unit comprises shell, and the air inlet that shell is arranged is communicated with the gas passage in shell with air outlet, and gas passage is provided with electrostatic filter bag and blower fan; Arrange dedusting electric motor of shaker to be connected with electrostatic filter bag, produce vibrating dust removing.
Although above two patents of the applicant's application largely solve the problem of carbon dust dedusting, but because carbon dust is in flow regime under the drive of air-flow, dedusting treater is when aspirating the carbon dust in closed cavity, part carbon dust still can remain in closed cavity under the drive of air-flow, and cannot be extracted out by dust cleaning apparatus, so just greatly have impact on dust removing effects.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of carbon dust dedusting structure, to make up the deficiency of existing carbon powder of generator dust cleaning apparatus on dust removing effects.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme:
A kind of carbon dust dedusting structure, comprises dust gathering arrester, and the collector ring that described dust gathering arrester is arranged on generator is peripheral, and and between the collector ring of generator, form closed chamber, and dust gathering arrester has the suction port with closed chamber; Described enclosed cavity indoor are provided with the dust-break block that the radial direction along collector ring is arranged, and described dust-break block is corresponding with the position of suction port.
Further, along the flow direction of carbon dust, described dust-break block is positioned at the rear side of suction port.
Further, dust sucting pipeline and deduster is also comprised; One end of described dust sucting pipeline is communicated with suction port, and the other end of dust sucting pipeline is communicated with deduster.
Further, described dust gathering arrester is provided with several brush carriers along the circumferential direction distributed, the front end of described brush carrier is provided with the carbon brush contacted with collector ring.
The beneficial effects of the utility model are:
Existing carbon powder of generator dust cleaning apparatus is when aspirating carbon dust, and part carbon dust still can flow along former direction under the drive of air-flow, and does not enter into cleaning shaft by suction port; The enclosed cavity indoor that the utility model is formed at dust gathering arrester and collector ring add dust-break block, and dust-break block is used for blocking at the indoor carbon dust with air flowing of enclosed cavity, carbon dust is flowed in suction port, so just substantially increases dust removing effects.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model generator;
Fig. 2 is the cutaway view of A-A line in Fig. 1;
Fig. 3 is B-B line cutaway view in Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1 to Fig. 3, a kind of carbon dust dedusting structure, comprise dust gathering arrester 1, dust sucting pipeline 2 and deduster 3, wherein, the collector ring 4 that dust gathering arrester 1 is arranged on generator is peripheral, and and between the collector ring 4 of generator, form closed chamber 5, and dust gathering arrester 1 has the suction port 6 be communicated with closed chamber 5; One end of dust sucting pipeline 2 is communicated with suction port 6, and the other end of dust sucting pipeline 2 is communicated with deduster 3; Close in chamber 5 the dust-break block 7 being provided with the radial direction along collector ring 4 and arranging, dust-break block 7 is for blocking in closed chamber 5 with the carbon dust of air flowing, dust-break block 7 is corresponding with the position of suction port 6, can be entered in dust sucting pipeline 2 by the carbon dust that dust-break block 7 blocks by suction port 6.
Dust gathering arrester 1 is provided with several brush carriers 8 along the circumferential direction distributed, the front end of brush carrier 8 is provided with the carbon brush contacted with collector ring 4, the brush carrier 8 of the present embodiment is can charged dismounting brush carrier 8, can charged dismounting brush carrier 8 be patents that the applicant applied on August 14th, 2002, the patent No. is ZL02276135.7, therefore belong to prior art, be no longer described at this.In order to reduce the friction of carbon brush and collector ring 4, reduce the generation of carbon dust, the contact site of carbon brush and collector ring 4 has groove.During generator operation, carbon brush and the fricative carbon dust of collector ring 4 are sealed in closed chamber 5, and flow in closed chamber 5 along with air, when carbon dust flows through dust-break block 7, carbon dust blocks by dust-break block 7, and now deduster 3 works and produces negative pressure, and is extracted out by carbon dust by dust sucting pipeline 2.Compared with existing carbon powder of generator dust cleaning apparatus, the utility model adds dust-break block 7 in the closed chamber 5 that dust gathering arrester 1 and collector ring 4 are formed, dust-break block 7 is for blocking in closed chamber 5 with the carbon dust of air flowing, carbon dust is flowed in suction port, so just substantially increases dust removing effects.
As preferably, along the flow direction (specifically seeing Fig. 3 arrow direction indication) of carbon dust, dust-break block 7 is positioned at the rear side (that side arrived after when rear side refers to that carbon dust flows through suction port) of suction port 6, so just makes suction port 6 be communicated with completely with closed chamber 5, is more conducive to improving ash removal efficiency.In the present embodiment, dust-break block 7 is positioned in the back edge of suction port 6.
Finally it should be noted that, above embodiment is only in order to illustrate the technical solution of the utility model but not restriction technologies scheme, although applicant has been described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those are modified to the technical solution of the utility model or equivalent replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of right of the present utility model.
Claims (4)
1. a carbon dust dedusting structure, comprise dust gathering arrester (1), the collector ring (4) that described dust gathering arrester (1) is arranged on generator is peripheral, and and between the collector ring of generator (4), form closed chamber (5), and dust gathering arrester (1) has the suction port (6) be communicated with closed chamber (5); It is characterized in that, be provided with the dust-break block (7) that the radial direction along collector ring (4) is arranged in described closed chamber (5), described dust-break block (7) is corresponding with the position of suction port (6).
2. carbon dust dedusting structure according to claim 1, is characterized in that, along the flow direction of carbon dust, described dust-break block (7) is positioned at the rear side of suction port (6).
3. carbon dust dedusting structure according to claim 1, is characterized in that, also comprises dust sucting pipeline (2) and deduster (3); One end of described dust sucting pipeline (2) is communicated with suction port (6), and the other end of dust sucting pipeline (2) is communicated with deduster (3).
4. carbon dust dedusting structure according to claim 1, is characterized in that, described dust gathering arrester (1) is provided with several brush carriers (8) along the circumferential direction distributed, and the front end of described brush carrier (8) is provided with the carbon brush contacted with collector ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700142.4U CN204243967U (en) | 2014-11-20 | 2014-11-20 | Carbon dust dedusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700142.4U CN204243967U (en) | 2014-11-20 | 2014-11-20 | Carbon dust dedusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204243967U true CN204243967U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420700142.4U Expired - Fee Related CN204243967U (en) | 2014-11-20 | 2014-11-20 | Carbon dust dedusting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204243967U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811637A (en) * | 2016-05-21 | 2016-07-27 | 安庆皖南电机有限公司 | Pneumatic principle-based safety motor |
| CN106059168A (en) * | 2016-05-21 | 2016-10-26 | 安庆皖南电机有限公司 | Sparkproof AC motor |
| CN114552847A (en) * | 2022-03-21 | 2022-05-27 | 东方电气集团东方电机有限公司 | Tubular flow machine closed type small cavity carbon powder dust collection structure |
-
2014
- 2014-11-20 CN CN201420700142.4U patent/CN204243967U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811637A (en) * | 2016-05-21 | 2016-07-27 | 安庆皖南电机有限公司 | Pneumatic principle-based safety motor |
| CN106059168A (en) * | 2016-05-21 | 2016-10-26 | 安庆皖南电机有限公司 | Sparkproof AC motor |
| CN105811637B (en) * | 2016-05-21 | 2018-01-16 | 安庆皖南电机有限公司 | A kind of permissible motor based on air pressure principle |
| CN106059168B (en) * | 2016-05-21 | 2018-04-03 | 江苏航申航空科技有限公司 | A kind of sparkproof alternating current generator |
| CN114552847A (en) * | 2022-03-21 | 2022-05-27 | 东方电气集团东方电机有限公司 | Tubular flow machine closed type small cavity carbon powder dust collection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20151120 |
|
| EXPY | Termination of patent right or utility model |