CN107252734A - The separator of soot particle and carbon granule in a kind of fly ash in electric power plant - Google Patents
The separator of soot particle and carbon granule in a kind of fly ash in electric power plant Download PDFInfo
- Publication number
- CN107252734A CN107252734A CN201710145863.1A CN201710145863A CN107252734A CN 107252734 A CN107252734 A CN 107252734A CN 201710145863 A CN201710145863 A CN 201710145863A CN 107252734 A CN107252734 A CN 107252734A
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- level
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- collection
- charcoal
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/02—Separators
- B03C7/10—Separators with material falling in cascades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/003—Pretreatment of the solids prior to electrostatic separation
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- Electrostatic Separation (AREA)
Abstract
The present invention relates to the separator of soot particle and carbon granule in a kind of fly ash in electric power plant, from top to bottom it is followed successively by feed arrangement, electric separation and takes off charcoal device and material-gathering device；Feed arrangement includes hopper and is placed in the electromagnetic vibrator of hopper side wall；Electric separation, which takes off charcoal device, includes one-level separator, and one-level separator includes one-level charging aperture, the one-level negative plate being placed in below one-level charging aperture, is placed in one-level negative plate oblique upper and one-level positive plate on the other side, one-level flue-dust retainer and one-level collection charcoal bucket；One-level negative plate is extended obliquely downward to one-level flue-dust retainer, and one-level positive plate is extended obliquely downward to one-level collection charcoal hopper；Material-gathering device includes the grey cloth bag of collection and collection charcoal cloth bag, and the grey cloth bag of collection is communicated with one-level flue-dust retainer discharging opening, and collection charcoal cloth bag is communicated with one-level collection charcoal bucket discharging opening.Rationally, treating capacity is big for the apparatus structure, and the efficiency of separation is high, without driving member, and energy consumption is low, easy to operate, for ease of maintenaince.
Description
Technical field
It can be sensed the present invention relates to the separator of soot particle and carbon granule in a kind of flyash, more particularly to one kind by conducting
Charged soot particle and the separator of carbon granule.
Background technology
Flyash is the principal by product of coal-burning power plant, due to being influenceed by boiler operatiopn condition, coal, coal burning it is past
Toward insufficient, the presence of unburned charcoal in flyash is caused, the wasting of resources is caused, and unfavorable is caused to the comprehensive utilization of flyash
Influence.
Although having the processing equipment of several flyash currently on the market, the charged mode of material is logical first mostly
Cross and be charged by friction, enter separated in electrostatic field afterwards, this kind of separate mode complex steps and low separation efficiency are existing in addition
Separation device structure design aspect have some defects, cause the separating effect of soot particle in flyash and carbon granule it is undesirable,
Low separation efficiency, it is difficult to industrialization promotion, the comprehensive utilization to flyash is adversely affected.
The content of the invention
The present invention provided to solve the above problems it is a kind of can be by conducting the separator of induc- tion charging, the device exists
, can be effectively by the soot particle in flyash by electrical property difference, ratio by separating for several times is carried out to flyash in the presence of gravity
The method of double differences is different finely to be separated.
The technical solution adopted in the present invention is：The separator of soot particle and carbon granule in a kind of fly ash in electric power plant, by up to
Under be followed successively by feed arrangement, electric separation and take off charcoal device and material-gathering device；Described feed arrangement includes hopper and is placed in hopper side wall
Electromagnetic vibrator；Described electric separation, which takes off charcoal device, includes one-level separator, and it is grading that described one-level separator includes one
Material mouth, the one-level negative plate being placed in below one-level charging aperture, it is placed in one-level negative plate oblique upper and one-level positive pole on the other side
Plate, one-level flue-dust retainer and one-level collection charcoal bucket；Described one-level negative plate is extended obliquely downward to one-level flue-dust retainer, described one-level
Positive plate is extended obliquely downward to one-level collection charcoal hopper；Described material-gathering device includes the grey cloth bag of collection and collection charcoal cloth bag, described
The grey cloth bag of collection is communicated with one-level flue-dust retainer discharging opening, and described collection charcoal cloth bag is communicated with one-level collection charcoal bucket discharging opening.
Further, in order to improve separative efficiency, described electric separation, which takes off charcoal device, also includes secondary separation device, described two
Level separator includes two grades of charging apertures, two grades of negative plates, two grades of positive plates, two grades of flue-dust retainers and two grades of collection charcoal buckets；Described
Two grades of charging apertures are connected with one-level flue-dust retainer discharging opening, and two grades of described negative plates are tilted towards downward immediately below two grades of charging apertures
Two grades of flue-dust retainers are extended, two grades of described positive plates are arranged on two grades of negative plate oblique uppers and relative with two grades of negative plates, described
Two grades of positive plates extend downward into two grades collection charcoal buckets；Two grades of described flue-dust retainers are connected with the grey cloth bag of collection；Two grades of described collection
Charcoal bucket is connected with collection charcoal cloth bag.
Flyash has a very strong hygroscopicity, moist flyash easily reunite bond, mobility declines, in order to ensure powder
Coal ash is in drying regime in separation process, can make at described one-level separator, secondary separation device and material-gathering device
In closing space, described closing space is connected with vavuum pump.
Further, as a kind of specific structure type, downward pipeline is connect under described material-gathering device, it is curved through 90 °
Head, is changed into the described vavuum pump of horizontal pipe connection.
Further, as a kind of specific structure type, the electric heater unit of heated material, institute are provided with described hopper
The electric heater unit stated is the one or more in electrically heated rod, electric boiling plate, electrical heating net.
Further, as a kind of specific structure type, described one-level positive plate and two grades of described positive plates connect
It is connected to the regulating arm of spacing between adjustable positive plate and negative plate.
Further, as a kind of specific structure type, described one-level negative plate and two grades of described negative plates connect
Ground, described one-level positive plate and two grades of described positive plates are connected with high voltage power supply, described one-level positive plate and one-level
Negative plate is that arc is relative, and described two grades of negative plates and two grades of positive plates are that arc is relative.
Further, in order to adjust the inlet amount of material according to actual needs, provided with controllable at described one-level charging aperture
The regulating valve of inlet amount processed, is provided with adjustable, insulating plate between described one-level flue-dust retainer and one-level collection charcoal bucket.
Further, as a kind of specific structure type, described one-level positive plate and one-level negative plate spacing be 6-
12cm, described two grades of positive plates and two grades of negative plate spacing are 6-12cm.
Further, as a kind of specific structure type, the DC high-voltage power supply that described high voltage power supply is 5 ~ 20kv.
Beneficial effect
Beneficial effect produced by the present invention：1st, rationally, treating capacity is big for the apparatus structure, and the efficiency of separation is high, without driving member, energy consumption
It is low, easy to operate, for ease of maintenaince.2nd, flyash enters electrostatic field after discharge hole for discharge in the present invention, and negative plate is contacted first,
Can be directly charged by conducting, separating step is simplified, the charged efficiency of material is improved, and then improve separative efficiency.3rd, originally
Invention use multistage separation structure, to being separated through one-level after soot particle carry out the second-order separation, can further reduce containing in soot particle
Charcoal amount, to reach the market demand.4th, because flyash has very strong hygroscopicity, moist flyash, which is easily reunited, to be bonded, flows
Dynamic property declines, thus vavuum pump is provided with the present apparatus, not only acts as exsiccation, and it produces downward draft and can accelerated
The motion of flyash downwards, strengthens the mobility of powder.5th, the present apparatus sets electric heater unit in hopper, it is ensured that to be separated
Powder is in drying regime.6th, the present apparatus is equipped with regulating arm at one-level positive plate and two grades of positive plates, can be according to actual need
Will, the spacing between regulation positive plate and negative plate, and then control separative efficiency.7th, lead in the present apparatus between flue-dust retainer and collection charcoal bucket
Adjustable insulation board connection is crossed, the inlet amount of flue-dust retainer and collection charcoal bucket can be changed by mobile adjustable insulation board, and then controls separation
Efficiency.
Brief description of the drawings
In Fig. 1 specific embodiments 1 in fly ash in electric power plant soot particle and carbon granule separator structural representation；
In Fig. 2 specific embodiments 2 in fly ash in electric power plant soot particle and carbon granule separator structural representation；
Fig. 3 electric separations take off charcoal apparatus structure schematic diagram；
Fig. 4 conducts elements of the electric charge in the crystal exterior figure；
Fig. 5 induc- tion charging schematic diagrams；
The one-level negative plate of 1. hopper, 2. electric heater unit, 3. electromagnetic vibrator, 4. regulating valve, 5. one-level charging aperture 6. in figure
7. the adjustable one-level collection charcoal 12. 2 grades of charging apertures of bucket of 10. one-level flue-dust retainer of insulation board 11. of 8. regulating arm of one-level positive plate 9.
13. two grades of 14. 2 grades of negative plate, 15. 2 grades of positive plate, 16. 2 grades of flue-dust retainer collection charcoal buckets 17. collect the grey collection of cloth bag 18. charcoal cloth
The non-conductor particle of 19. vavuum pump of bag, 20. conductive particles 21.
Embodiment
The utility model is further explained below in conjunction with the drawings and specific embodiments, but it is understood that this hair
Bright protection domain is not limited by embodiment.
Embodiment 1
As shown in figure 1, the separator of soot particle and carbon granule from top to bottom includes feed arrangement, electric separation separation dress in fly ash in electric power plant
Put and material-gathering device.Feed arrangement includes feed hopper 1, is arranged on the electromagnetic vibrator 3 and electric heater unit 2 of the side wall of feed hopper 1.
Electric separation decarbonization device is one-level separator, including one-level charging aperture 5, the arc one-level negative pole for being placed in the lower section of one-level charging aperture 5
Plate 6, the one-level positive plate 7 in the oblique upper of one-level negative plate 6, the one-level flue-dust retainer 10 that is placed in below one-level negative plate 6 and it is placed in
The one-level collection charcoal bucket 11 of the lower section of one-level positive plate 7；Connected in 6 times adjustable insulation boards 9 of setting of one-level positive plate 7 and one-level negative plate
One-level collection charcoal bucket 11 and one-level flue-dust retainer 10.The regulating valve 4 of controllable inlet amount, one-level negative plate 6 are set at one-level charging aperture 5
Ground connection, one-level positive plate 7 connect voltage 5 ~ 20v high voltage power supply, and one-level positive plate 7 dorsad negative plate side connection by
The regulating arm 8 of freely adjustable positive/negative plate spacing, one-level flue-dust retainer 10 collects the powder come off along one-level negative plate 6, one-level
Collection charcoal bucket 11 collects the powder come off along one-level positive plate 7.Material-gathering device includes the grey cloth bag 17 of collection and collection charcoal cloth bag 18, the grey cloth of collection
Bag 17 is placed in immediately below the discharging opening of one-level flue-dust retainer 10, and collection charcoal cloth bag 18 is placed in immediately below the discharging opening of one-level collection charcoal bucket 11, soot particle
The grey cloth bag 17 of collection is eventually entered into, carbon granule enters collection charcoal cloth bag 18.Electric separation separator and material-gathering device in the present apparatus are in
Closing space, connects downward pipeline under collection device, through 90 ° of elbow, is changed into horizontal pipe connection vavuum pump 19, it is ensured that envelope
Close space and be in vacuum state.
Embodiment 2
With reference to Fig. 2 and Fig. 3, the electric separation separator in the present embodiment contains secondary separation device, other structures and the phase of embodiment 1
Together.Secondary separation device is arranged between the discharging opening of one-level flue-dust retainer 10 and material-gathering device, to what is handled through one-level separator
Soot particle further carries out de- charcoal.Secondary separation device includes two grades of charging apertures 12, two grades of negative plates 13, two grades of positive plates 14, two
Level flue-dust retainer 15 and two grades of collection charcoal buckets 16；In two grades of positive plates 14 and the adjustable connection of insulation board 9 two of two grades of negative plates, 15 times settings
Level collection charcoal bucket 16 and two grades of flue-dust retainers 15.Two grades of charging apertures 12 are connected with the discharging opening of one-level flue-dust retainer 10, two grades of negative plates 13 by
Extended obliquely downward immediately below two grades of charging apertures 12 to two grades of flue-dust retainers 15, it is oblique that two grades of positive plates 14 are arranged on two grades of negative plates 13
Top and relative with two grades of negative plates 13, two grades of positive plates 14 extend downward into two grades of collection charcoal buckets 16, and two grades of negative plates 13 are grounded,
Two grades of positive plates 14 are connected with 5 ~ 20v power supply, and two grades of positive plates 14 and two grades of negative plates 13 are arc, two grades of positive plates
14 are also associated with the regulating arm 8 of adjustable positive/negative plate spacing back to the side of two grades of negative plates 13；The grey cloth bag 17 of collection is placed in two
Immediately below the level discharging opening of flue-dust retainer 15；Collection charcoal cloth bag 18 is being placed in the discharging opening of one-level collection charcoal bucket 11 and two grades of discharging openings of collection charcoal bucket 16 just
Lower section.
As shown in figure 4, powder contacts generation with negative plate first by hopper 1 into electrostatic field conducts charged.A figures are conductor
The powered situation of particle 20 and non-conductor particle 21, b figures are the motion conditions of powered rear particle.Because there is electricity in carbon granule and soot particle
Sex differernce, carbon granule is conductive particles 20, and soot particle is non-conductor particle 21.Such as a figures, conductive particles 20 are with non-conductor particle 21 quiet
It can all be polarized accordingly in electric field, because the electric conductivity of conductive particles 20 is good, conductive particles are obtained by negative plate thereon
Electronics；The electric conductivity of non-conductor particle 21 is very poor, can only be by electric field polarization, and its electric charge can not be conducted.As b schemes
Conductive particles 20 after to electronics obtain the electric charge electrically opposite with top crown, so as to be moved up by the effect of electric field force；
Positive and negative charge center shifts after non-conductor particle 21 polarizes, close to top crown one end positively charged, and the other end produces negative electricity, and
Electric charge can not be conducted thereon, therefore it is not in obvious motion upwards.
As shown in figure 5, negative plate can not be adequately exposed to by having fraction particle into the powder in electric field, thus can not
Conduction is charged, now can induc- tion charging.As schemed shown in a can occur pole in conductor in electrostatic field particle 20 and non-conductor particle 21
Change, wherein conductive particles 20 are that displacement occurs under electric field action for the charged particle that can move freely inside it to particle table
Without the charged particle that can move freely, only bound electron in face, non-conductor particle 21, it can only be in original under electric field force effect
Micro-displacement is done in son or molecular range, and polarization charge occurs.Such as scheming b conductive particles 20 can be due to mutual between top crown
Attract and move upwards, non-conductor particle 21 still can rest on original position.
During work, after the flyash material in hopper 1 is dried, heated through electric heater unit 2, by electric and magnetic oscillation
The rapping effect of device 3 and the aperture size of regulating valve 4, make material uniformly shake and having one-level positive plate 7 and one-level negative plate 6
In the electrostatic field of composition, electric charge on the carbon granule lotus in the region in material, and float off one under the attraction of one-level positive plate 7
Level negative plate 6, falls into one-level collection charcoal bucket 11.Leftover materials will fall under gravity into one-level flue-dust retainer 10, and pass through two grades
Charging aperture 12 enters the electric field region of two grades of positive and negative pole plate compositions, the carbon granule do not isolated in material is further separated, charcoal
Grain falls into two grades of collection charcoal buckets 16, and collects with carbon granule in one-level collection charcoal bucket 11 and fall into collection charcoal cloth bag 18, and leftover materials are through two grades of collection
Ash bucket 15 falls into the grey cloth bag 17 of collection.
Arrange that vavuum pump 19 has very strong hygroscopicity mainly due to flyash in the present apparatus, moist flyash is easy
Bonding, the mobility of reuniting decline, so the one side of vavuum pump 19 can play exsiccation and on the one hand can also strengthen the stream of powder
It is dynamic to improve the efficiency of separation.
Claims (10)
1. the separator of soot particle and carbon granule in a kind of fly ash in electric power plant, is from top to bottom followed successively by feed arrangement, electric separation and takes off charcoal dress
Put and material-gathering device；It is characterized in that：
Described feed arrangement includes hopper and is placed in the electromagnetic vibrator of hopper side wall（3）；
Described electric separation, which takes off charcoal device, includes one-level separator, and described one-level separator includes one-level charging aperture（5）, put
In one-level charging aperture（5）The one-level negative plate of lower section（6）, be placed in one-level negative plate（6）Oblique upper and one-level on the other side is just
Pole plate（7）, one-level flue-dust retainer（10）With one-level collection charcoal bucket（11）；Described one-level negative plate（6）Extend obliquely downward to one-level
Flue-dust retainer（10）, described one-level positive plate（7）Extend obliquely downward to one-level collection charcoal hopper；
Described material-gathering device includes the grey cloth bag of collection（17）With collection charcoal cloth bag（18）, the grey cloth bag of described collection（17）With one-level collection ash
Bucket（10）Discharging opening is communicated, described collection charcoal cloth bag（18）With one-level collection charcoal bucket（11）Discharging opening is communicated.
2. the separator of soot particle and carbon granule in fly ash in electric power plant according to claim 1, it is characterised in that：Described electricity
The de- charcoal device of choosing also includes secondary separation device, and described secondary separation device includes two grades of charging apertures（12）, two grades of negative plates
（13）, two grades of positive plates（14）, two grades of flue-dust retainers（15）With two grades of collection charcoal buckets（16）；Two grades of described charging apertures（12）With one-level
Flue-dust retainer（10）Discharging opening is connected, two grades of described negative plates（13）By two grades of charging apertures（12）Underface extend obliquely downward to
Two grades of flue-dust retainers（15）, described two grades of positive plates（14）It is arranged on two grades of negative plates（13）Oblique upper and with two grades of negative plates
（13）Relatively, two grades of described positive plates（14）Extend downward into two grades of collection charcoal buckets（16）；Two grades of described flue-dust retainers（15）With
The grey cloth bag of collection（17）Connection；Two grades of described collection charcoal buckets（16）With collection charcoal cloth bag（18）Connection.
3. the separator of soot particle and carbon granule in fly ash in electric power plant according to claim 2, it is characterised in that：Described one
Level separator, secondary separation device and material-gathering device are in closing space, and described closing space is connected with vavuum pump（19）.
4. the separator of soot particle and carbon granule in fly ash in electric power plant according to claim 3, it is characterised in that：Described
Downward pipeline is connect under material-gathering device, through 90 ° of elbow, is changed into the described vavuum pump of horizontal pipe connection（19）.
5. the separator of soot particle and carbon granule in fly ash in electric power plant according to claim 1, it is characterised in that：Described material
Bucket（1）It is interior provided with can heated material electric heater unit（2）, described electric heater unit（2）For electrically heated rod, electric boiling plate,
One or more in electrical heating net.
6. the separator of soot particle and carbon granule in fly ash in electric power plant according to claim 2, it is characterised in that：Described one
Level positive plate（7）With two grades of described positive plates（14）It is respectively connected with the regulating arm of spacing between adjustable positive plate and negative plate
（8）.
7. the separator of soot particle and carbon granule in fly ash in electric power plant according to claim 2, it is characterised in that：Described one
Level negative plate（6）With two grades of described negative plates（13）It is grounded, described one-level positive plate（7）With two grades of described positive plates
（14）It is connected with high voltage power supply, described one-level positive plate（7）With one-level negative plate（6）For arc relatively, described two grades
Negative plate（13）With two grades of positive plates（14）It is relative for arc.
8. the separator of soot particle and carbon granule in fly ash in electric power plant according to claim 1, it is characterised in that：Described one
Level charging aperture（5）Regulating valve of the place provided with controllable inlet amount（4）, described one-level flue-dust retainer（10）With one-level collection charcoal bucket（11）
Between be provided with adjustable insulation board（9）.
9. the separator of soot particle and carbon granule in fly ash in electric power plant according to claim 2, it is characterised in that：Described one
Level positive plate（7）With one-level negative plate（6）Spacing is 6-12cm, two grades of described positive plates（14）With two grades of negative plates（13）
Spacing is 6-12cm.
10. according to the separator of soot particle and carbon granule in claim fly ash in electric power plant according to claim 7, its feature
It is：Described high voltage power supply is 5 ~ 20kv DC high-voltage power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710145863.1A CN107252734A (en) | 2017-03-13 | 2017-03-13 | The separator of soot particle and carbon granule in a kind of fly ash in electric power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710145863.1A CN107252734A (en) | 2017-03-13 | 2017-03-13 | The separator of soot particle and carbon granule in a kind of fly ash in electric power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107252734A true CN107252734A (en) | 2017-10-17 |
Family
ID=60027168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710145863.1A Pending CN107252734A (en) | 2017-03-13 | 2017-03-13 | The separator of soot particle and carbon granule in a kind of fly ash in electric power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107252734A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136085A (en) * | 2019-12-27 | 2020-05-12 | 西南科技大学 | Method and device for reducing carbon content in coal gangue through steam jet controlled dissociation |
| CN114632703A (en) * | 2022-05-19 | 2022-06-17 | 西安欧中材料科技有限公司 | Device and method for removing satellite powder in metal powder prepared by gas atomization method |
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| CN203791060U (en) * | 2014-05-07 | 2014-08-27 | 西安欧中材料科技有限公司 | Device for removing nonmetallic inclusions in metallic powder |
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| TW260625B (en) * | 1994-06-02 | 1995-10-21 | Pozzolanic Entpr Pty Ltd | Process of treating fly ash and its device |
| CN2281845Y (en) * | 1996-10-24 | 1998-05-20 | 冶金工业部长沙矿冶研究院 | Coal ash electric separation decarbonization machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136085A (en) * | 2019-12-27 | 2020-05-12 | 西南科技大学 | Method and device for reducing carbon content in coal gangue through steam jet controlled dissociation |
| CN114632703A (en) * | 2022-05-19 | 2022-06-17 | 西安欧中材料科技有限公司 | Device and method for removing satellite powder in metal powder prepared by gas atomization method |
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