CN205061028U - Unpowered dust collector - Google Patents
Unpowered dust collector Download PDFInfo
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- CN205061028U CN205061028U CN201520810397.0U CN201520810397U CN205061028U CN 205061028 U CN205061028 U CN 205061028U CN 201520810397 U CN201520810397 U CN 201520810397U CN 205061028 U CN205061028 U CN 205061028U
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- curtain
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- baffle box
- change
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Abstract
The utility model provides an unpowered dust collector, including coal breakage pipe, baffle box and back flow, coal breakage pipe lower extreme and baffle box intercommunication, the baffle box in be equipped with first changing and change to the curtain to curtain and second, first change to change to curtain and second fall into first cavity, second cavity and third cavity with the baffle box along the material flow direction to the curtain, be equipped with the by -pass of first cavity of intercommunication and second cavity and the back flow on intercommunication second cavity and coal breakage pipe upper portion on the baffle box lateral wall. The utility model discloses an in the baffle box first change to change to curtain and second fall into first cavity, second cavity and third cavity with the baffle box to the curtain, the second cavity passes through the upper portion intercommunication of back flow and coal breakage pipe, induced wind along through first change to change to curtain and second get into the back flow to the curtain, get into coal breakage pipe upper portion negative pressuren zone with malleation dirty gas in the baffle box automatically, the positive and negative pressure differential of balance has reduced induced wind speed, has improved dust suppression effect.
Description
Technical field
The utility model relates to a kind of unpowered dust removal device.
Background technology
At present, coal-burning power plant's unpowered device of fortune coal belt discharging point mainly adopts the unpowered dust removal device of communicating pipe, airtight gathering sill, and power-free dust-removing mainly utilizes counter flow pipe to balance malleation air-flow in deflector chute, and carries out ventilation and dust removal by dust collector.
The horizontal flow velocity flowing to dust exhaustor suction port from coal spout bottom generally reaches about 15m/s, and the time flowing to suction port position only needs 0.1s.And enter the design wind speed of dust collect plant suction port, for preventing fine coal from extracting out, design discipline is generally not more than 2m/s.Within the time of about 0.1s, induced air 90-degree rotation upwards enters counter flow pipe, and horizontal wind speed will drop to below 2m/s from 15m/s, and actual meeting is very difficult, part dust-contained airflow (coal dust) certainly will be had to go out deflector chute because of inertia and cannot trap, cause coal spout dust removing effects to decline.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provide a kind of can good dedusting effect, can prevent dust-contained airflow from going out the unpowered dust removal device of deflector chute because of inertia.
The technical solution adopted in the utility model is: comprise coal spout, deflector chute and counter flow pipe, described coal spout lower end is communicated with deflector chute, be provided with the first changed course curtain and the second changed course curtain in described deflector chute, deflector chute is divided into the first chamber, the second chamber and the 3rd chamber along flow direction of material by the first changed course curtain and the second changed course curtain; Deflector chute sidewall is provided with the by-pass of connection first chamber and the second chamber and is communicated with the counter flow pipe on the second chamber and coal spout top.
In above-mentioned unpowered dust removal device, the first changed course curtain in deflector chute and the angle of the second changed course curtain and induced air wind direction are less than 90 °.
In above-mentioned unpowered dust removal device, the top of the 3rd described chamber is provided with suppressing dust with dry mist device.
In above-mentioned unpowered dust removal device, in the 3rd described chamber, be provided with damping dust-break curtain.
Compared with prior art, the beneficial effects of the utility model are:
1. in deflector chute of the present utility model, deflector chute is divided into the first chamber, the second chamber and the 3rd chamber by the first changed course curtain and the second changed course curtain, second chamber is communicated with the top of coal spout by counter flow pipe, induced air enters counter flow pipe along through the first changed course curtain and the second changed course curtain, automatically malleation dusty gas in deflector chute is entered zone of negative pressure, coal spout top, balance positive and negative pressure, reduce induced velocity, improve anti-dust effect.
2. the first changed course curtain in deflector chute of the present utility model and the angle of the second changed course curtain and induced air wind direction are less than 90 °, are conducive to dusty gas and enter by-pass and counter flow pipe, improve anti-dust effect.
3. the top of the 3rd chamber of the present utility model is provided with suppressing dust with dry mist device, is provided with damping dust-break curtain, effectively suppresses, further increase anti-dust effect to dusty gas in the 3rd chamber.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is lateral plan of the present utility model.
Fig. 3 is birds-eye view of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
As Figure 1-3, the utility model comprises coal spout 2, deflector chute 3 and counter flow pipe 9, described coal spout 2 lower end is communicated with deflector chute 3, be provided with the first changed course curtain 7 and the second changed course curtain 8, first changed course curtain 7 and the second changed course curtain 8 in described deflector chute 3 and deflector chute is divided into the first chamber 31, second chamber 32 and the 3rd chamber 33 along flow direction of material; The sidewall of deflector chute 3 is provided with the by-pass 6 of connection first chamber 31 and the second chamber 32; And be communicated with the counter flow pipe 9 on the second chamber 32 and coal spout 2 top.
The first changed course curtain 7 in deflector chute 3 and the second changed course curtain 8 are less than 90 ° with the angle of induced air wind direction, and import and the outlet of by-pass 6 are opened on the same sidewall of deflector chute 3, and the import of by-pass 6 is arranged near the first changed course curtain 7; The outlet of by-pass 6 is arranged near the second changed course curtain 8.The import of counter flow pipe 9 is opened on the relative sidewall of the outlet of by-pass 6 on deflector chute 3, arranges near the second changed course curtain 8; Be conducive to dusty gas like this and enter by-pass and counter flow pipe, improve dust-proof effect.The top of the 3rd described chamber 33 is provided with in suppressing dust with dry mist device the 4, three chamber 33 and is provided with damping dust-break curtain 5.Dusty gas is effectively suppressed, further increases anti-dust effect.
When the utility model uses, loose coal enters coal spout 2 by coal spout 2 top shields 1, and will inevitably bring certain air quantity in coal breakage process, coal spout 2 drop is larger, and the speed of loose coal is larger, and the induced velocity of generation is larger, generally at about 15m/s.After induced air enters deflector chute 3 with material, counter flow pipe 9 is entered along the first changed course curtain 7, part induced air goes out the first changed course curtain 7 because of inertia, at the second changed course curtain 8 place, collide with the dusty gas again entering deflector chute 3 along by-pass 6, after collision impact, dusty gas enters deflector chute 3 side counter flow pipe 9 along the second changed course curtain 8.Alter course curtain 8 and induced velocity angle of first changed course curtain 7 and second is all less than 90, is more conducive to dusty gas and enters by-pass 6 and counter flow pipe 9.Malleation dusty gas in deflector chute 3 is entered zone of negative pressure, coal spout 2 top by counter flow pipe 9 automatically, and balance positive and negative pressure, reduces induced velocity, drop to below 2m/s from 15m/s, improve anti-dust effect.The dusty gas gone out, under damping dust-break curtain 5 and suppressing dust with dry mist device 4 act on, the dust in dusty gas is effectively suppressed, and reaches the object of power-free dust-removing.
Claims (4)
1. a unpowered dust removal device, it is characterized in that: comprise coal spout (2), deflector chute (3) and counter flow pipe (9), the lower end of described coal spout (2) is communicated with deflector chute (3), be provided with the first changed course curtain (7) and the second changed course curtain (8) in described deflector chute (3), deflector chute (3) is divided into the first chamber (31), the second chamber (32) and the 3rd chamber (33) along flow direction of material by the first changed course curtain (7) and the second changed course curtain (8); Deflector chute (3) sidewall is provided with the by-pass (6) of connection first chamber (31) and the second chamber (32) and is communicated with the counter flow pipe (9) on the second chamber (32) and coal spout (2) top.
2. unpowered dust removal device according to claim 1, is characterized in that: the first changed course curtain (7) in deflector chute (3) and the second changed course curtain (8) are less than 90 ° with the angle of induced air wind direction.
3. unpowered dust removal device according to claim 1 and 2, is characterized in that: the top of the 3rd described chamber (33) is provided with suppressing dust with dry mist device (4).
4. unpowered dust removal device according to claim 3, is characterized in that: be provided with damping dust-break curtain (5) in the 3rd described chamber (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520810397.0U CN205061028U (en) | 2015-10-20 | 2015-10-20 | Unpowered dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520810397.0U CN205061028U (en) | 2015-10-20 | 2015-10-20 | Unpowered dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205061028U true CN205061028U (en) | 2016-03-02 |
Family
ID=55387609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520810397.0U Active CN205061028U (en) | 2015-10-20 | 2015-10-20 | Unpowered dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205061028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429540A (en) * | 2016-11-10 | 2017-02-22 | 浙江浙能台州第二发电有限责任公司 | Coal handling system for increasing the dust removal rate of high voltage electrostatic precipitator |
-
2015
- 2015-10-20 CN CN201520810397.0U patent/CN205061028U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429540A (en) * | 2016-11-10 | 2017-02-22 | 浙江浙能台州第二发电有限责任公司 | Coal handling system for increasing the dust removal rate of high voltage electrostatic precipitator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of unpowered dust removal device Effective date of registration: 20180503 Granted publication date: 20160302 Pledgee: Xiangtan Jiuhua Economic Construction Investment Co., Ltd. Pledgor: Tidfore Engineering Co., Ltd.|Tidfore Heavy Industry Co., Ltd.|Ocean engineering equipment (Tianjin) Co., Ltd. Registration number: 2018430000029 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |