CN109364627A - Graphite cathode material dust-extraction unit and dust removal method - Google Patents
Graphite cathode material dust-extraction unit and dust removal method Download PDFInfo
- Publication number
- CN109364627A CN109364627A CN201811510840.7A CN201811510840A CN109364627A CN 109364627 A CN109364627 A CN 109364627A CN 201811510840 A CN201811510840 A CN 201811510840A CN 109364627 A CN109364627 A CN 109364627A
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- Prior art keywords
- dust
- cathode material
- temperature
- solenoid valve
- extraction unit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses a kind of graphite cathode material dust-extraction unit and dust removal methods, it is intended to solve existing graphite cathode material deduster because temperature it is too low caused by electromagnetic impulse valve damage the technical issues of.It includes cabinet, and the outer upside side wall of the cabinet is equipped with incubator, and thermal insulation material is equipped in the incubator, concentrates the solenoid valve block for being equipped with and being made of multiple electromagnetic impulse valves in the thermal insulation material, the solenoid valve block is electrically connected with electric cabinet；It is equipped with temperature sensor and electric heating wire against the solenoid valve block, the temperature sensor and the electric heating wire are electrically connected to same temperature controller, and the temperature controller is electrically connected to the electric cabinet；The solenoid valve block is controlled by the electric cabinet and pressure controller to be dusted, and the temperature of the solenoid valve is regulated and controled by the temperature controller, temperature sensor and electric heating wire.The present invention can prevent electromagnetic impulse valve from damaging because of low temperature.
Description
Technical field
The present invention relates to the production technical fields of graphite cathode material, and in particular to a kind of graphite cathode material dust-extraction unit
And dust removal method.
Background technique
Lithium ion secondary battery mainly uses graphite microparticles as the negative electrode material of its conductive cathode at present, and granularity is usually situated between
In 3 μm~30 μm.Graphite cathode material needed during production using deduster by loss and the material grit to drift into
Row dedusting is collected, in order to avoid air is polluted and is caused damages to producers' health.Chang Huiyong during dedusting
To annular space be blown pulse bag type dust collector, such deduster use solenoid valve control compressed air, to collect grit cloth bag into
Row purging, has good dedusting effect, high dust collection efficiency, the characteristics of being easy to automated production.But in arctic weather and sternly
Cold area, the electromagnetic impulse valve in such deduster are easy to damage because of low temperature.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of graphite cathode material dust-extraction unit and dust removal methods, to solve
Existing graphite cathode material deduster because temperature it is too low caused by electromagnetic impulse valve damage the technical issues of.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of graphite cathode material dust-extraction unit, including cabinet are designed, the bottom of box is equipped with supporting leg, and the wall box is set
There are air inlet and air outlet, top is equipped with clean room in the cabinet, and the clean room is equipped with level and is fixed on the case-side
The jet pipe of wall, the jet pipe are communicated with air accumulator, and multiple filter bags are communicated with below the jet pipe, and the filter bag is equipped with bag cage, institute
Filter bag upper end is stated equipped with annular space injector, the filter bag lower section is equipped with ash bucket, and the ash bucket bottom end is equipped with ash discharge valve, the case
External upside side wall is equipped with incubator, and thermal insulation material is equipped in the incubator, concentrates and is equipped with by multiple in the thermal insulation material
The solenoid valve block of electromagnetic impulse valve composition, the solenoid valve block are electrically connected with electric cabinet, are equipped with the first monolithic in the electric cabinet
Machine and the first relay, the electric cabinet are electrically connected with the pressure sensor of multiple measurement filter bag inside and outside differential pressures；Against institute
It states solenoid valve block and is equipped with temperature sensor and the electric heating wire with insulation protection function, the temperature sensor and the electricity
Heater strip is electrically connected with temperature controller jointly, and the temperature controller is electrically connected to the electric cabinet, the temperature controller
It is interior to be equipped with second singlechip and the second relay.
Preferably, the thermal insulation material is equipped with interlayer, and the thermal insulation material is in felt, rock wool, mineral wool and polybenzoate
At least one.
Further, cover is equipped with above the cabinet, the cover covers the incubator.
Preferably, the temperature-measuring range of the temperature sensor is -20 DEG C~80 DEG C.
A kind of dust removal method using any of the above-described graphite cathode material dust-extraction unit, comprising the following steps:
(1) graphite microparticles in graphite cathode material production carry out preliminary dust removal by the filter bag；
(2) it controls the solenoid valve block by the pressure sensor and electric cabinet to start, further dedusting；
(3) when the temperature of the solenoid valve block is lower than A DEG C, temperature sensor feedback electric signal to the temperature is controlled
Device heats the solenoid valve block by the electric heating wire, and when temperature is higher than B DEG C, the temperature sensor feeds back telecommunications
Number to the temperature controller, stop heating.
In the step (1), the graphite microparticles enter the clean room from the air inlet, in the graphite microparticles
Large dust particle fall directly into the ash bucket, little particle dust is delayed at the filter bag after purifying by the sock filtration
Outer surface；
In the step (2), the inside and outside differential pressure of corresponding filter bag is measured by multiple pressure sensors, when any filter bag
When inside and outside differential pressure rises to setting value, is automatically controlled by the electric cabinet and open corresponding electromagnetic impulse valve, the air accumulator
Interior compressed air, which enters the filter bag by the jet pipe, makes its dilatancy generate vibration, and under the action of inverted draft
The graphite microparticles being attached on the filter bag outer surface are made to fall into the ash bucket；
Preferably, the range of the A is -10~-5 DEG C, and the range of the B is 50~60 DEG C.
Compared with prior art, the beneficial technical effect of the present invention lies in:
The present invention, by being equipped with temperature sensor, and under the control of temperature controller and electric cabinet, passes through under low-temperature condition
Electric heating wire and thermal insulation material are heated and are kept the temperature to electromagnetic impulse valve, to prevent its damage.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of graphite cathode material dust-extraction unit.
Fig. 2 is incubator and its schematic diagram of inside in a kind of graphite cathode material dust-extraction unit.
Fig. 3 is a kind of block diagram of electric cabinet control in graphite cathode material dust-extraction unit.
Fig. 4 is a kind of block diagram of temperature controller control in graphite cathode material dust-extraction unit.
In figure, 1 be cabinet, 2 be cover, 3 be solenoid valve block, 4 be incubator, 5 be electric heating wire, 6 be temperature controller,
7 be electric cabinet, and 8 be clean room, and 9 be jet pipe, and 10 be annular space injector, and 11 be air accumulator, and 12 be bag cage, and 13 be filter bag, and 14 are
Ash bucket, 15 be ash discharge valve, and 16 be supporting leg, and 17 be gas outlet, and 18 be air inlet, and 19 be thermal insulation material, and 20 be temperature sensor.
Specific embodiment
Illustrate a specific embodiment of the invention with reference to the accompanying drawings and examples, but following embodiment is used only in detail
It describes the bright present invention in detail, does not limit the scope of the invention in any way.
Device involved in following embodiment is then unless otherwise instructed conventional commercial product.
Embodiment 1: a kind of graphite cathode material dust-extraction unit, referring to Fig. 1, including cabinet 1, the outer upside side wall of cabinet 1 is set
There is incubator 4, is equipped with cover 2 above cabinet 1, cover 2 covers the incubator, can achieve the effect for blocking sleet.Heat preservation
Thermal insulation material 19 is equipped in case 4, thermal insulation material 19 is interlayer, and it includes there is multilayer, thermal insulation material 19 is felt, rock wool, glass
At least one of glass cotton and polybenzoate.The solenoid valve block 3 for being equipped with and being made of multiple electromagnetic impulse valves is concentrated in thermal insulation material 19,
Solenoid valve block 3 is electrically connected with electric cabinet 7.First singlechip and the first relay, the model of first singlechip are equipped in electric cabinet 7
For STM32F767VIT6.
Being equipped with temperature sensor 20(temperature-measuring range against solenoid valve block 3 is -20 DEG C~80 DEG C) and with insulation protection
The electric heating wire 5 of function, for example, insulated paint can be coated outside electric heating wire 5 to reach insulation effect.Temperature sensor 20 and electricity
Heater strip 5 is electrically connected to temperature controller 6, and temperature controller 6 is electrically connected to electric cabinet 7.It is single that second is equipped in temperature controller 6
Piece machine and the second relay, the model STC89C52RC of second singlechip.
Top is equipped with clean room 8 in cabinet 1, and clean room 8 is equipped with the jet pipe 9 that level is fixed on 1 side wall of cabinet, and jet pipe 9 connects
It is connected with air accumulator 11.Multiple filter bags 13 are communicated with below jet pipe 9, filter bag 13 is equipped with bag cage 12, and 13 upper end of filter bag is drawn equipped with annular space
Emitter 10, electric cabinet 7 are electrically connected with the pressure sensor of multiple measurement 13 inside and outside differential pressures of filter bag.Ash bucket is equipped with below filter bag 13
14,14 bottom end of ash bucket is equipped with ash discharge valve 15.1 bottom of cabinet is equipped with supporting leg 16, and 1 side wall of cabinet is equipped with air inlet 18 and gas outlet
17。
A kind of embodiment 2: dust removal method of graphite cathode material dust-extraction unit, comprising the following steps:
(1) graphite microparticles in graphite cathode material production enter clean room 8 from the air inlet, the bulky grain in graphite microparticles
Dust falls directly into ash bucket 14, and little particle dust is delayed at 13 outer surface of filter bag after passing through 13 filtration, purification of filter bag；
(2) with the extension of filtration time, the graphite microparticles constantly product on filter bag 13 is thick, and resistance constantly rises, and passes through multiple pressures
Force sensor measuring corresponds to the inside and outside differential pressure of filter bag 13, when the inside and outside differential pressure of any filter bag 13 rises to setting value, passes through electricity
It controls case 7 and automatically controls the corresponding electromagnetic impulse valve of unlatching, the compressed air in air accumulator 11 makes it into filter bag 13 by jet pipe 9
Dilatancy generates vibration, and so that the graphite microparticles being attached on 13 outer surface of filter bag is fallen into ash under the action of inverted draft
Bucket；
(3) when the temperature of solenoid valve block 3 is lower than 0 DEG C, temperature sensor 20 feeds back electric signal to temperature controller 6, passes through electricity
Heater strip 5 heats solenoid valve block 3, when temperature is higher than 50 DEG C, the feedback electric signal of temperature sensor 20 to temperature controller 6,
Stop heating, so that the electromagnetic impulse valve in solenoid valve block 3 be avoided to damage because of low temperature.
(4) electric cabinet 7 is closed, graphite microparticles are cleared up by ash discharge valve 15.
The present invention is described in detail above in conjunction with drawings and examples, still, those of skill in the art
Member is it is understood that without departing from the purpose of the present invention, can also carry out each design parameter in above-described embodiment
Change, forms multiple specific embodiments, is common variation range of the invention, is no longer described in detail one by one herein.
Claims (8)
1. a kind of graphite cathode material dust-extraction unit, including cabinet, the bottom of box is equipped with supporting leg, and the wall box is equipped with
Air inlet and air outlet, the interior top of the cabinet are equipped with clean room, and the clean room is equipped with level and is fixed on the wall box
Jet pipe, the jet pipe is communicated with air accumulator, multiple filter bags is communicated with below the jet pipe, the filter bag is equipped with bag cage, described
Filter bag upper end is equipped with annular space injector, and ash bucket is equipped with below the filter bag, and the ash bucket bottom end is equipped with ash discharge valve, and feature exists
In the outer upside side wall of the cabinet is equipped with incubator, and thermal insulation material is equipped in the incubator, concentrates and sets in the thermal insulation material
By the solenoid valve block being made of multiple electromagnetic impulse valves, the solenoid valve block is electrically connected with electric cabinet, is equipped in the electric cabinet
First singlechip and the first relay, the electric cabinet are electrically connected with the pressure sensing of multiple measurement filter bag inside and outside differential pressures
Device；Electric heating wire against the solenoid valve block equipped with temperature sensor and with insulation protection function, the temperature sensing
Device and the electric heating wire are electrically connected with temperature controller jointly, and the temperature controller is electrically connected to the electric cabinet, described
Second singlechip and the second relay are equipped in temperature controller.
2. graphite cathode material dust-extraction unit according to claim 1, which is characterized in that the thermal insulation material is equipped with folder
Layer, the thermal insulation material are at least one of felt, rock wool, mineral wool and polybenzoate.
3. graphite cathode material dust-extraction unit according to claim 1, which is characterized in that be equipped with cover above the cabinet
Body, the cover cover the incubator.
4. graphite cathode material dust-extraction unit according to claim 1, which is characterized in that the thermometric of the temperature sensor
Range is -20 DEG C~80 DEG C.
5. a kind of dust removal method using the graphite cathode material dust-extraction unit any in Claims 1-4, feature exist
In, comprising the following steps:
(1) graphite microparticles in graphite cathode material production carry out preliminary dust removal by the filter bag；
(2) it controls the solenoid valve block by the pressure sensor and the electric cabinet to start, further dedusting；
(3) when the temperature of the solenoid valve block is lower than A DEG C, temperature sensor feedback electric signal to the temperature is controlled
Device heats the solenoid valve block by the electric heating wire, and when temperature is higher than B DEG C, the temperature sensor feeds back telecommunications
Number to the temperature controller, stop heating.
6. the dust removal method of graphite cathode material dust-extraction unit according to claim 5, which is characterized in that in the step
(1) in, the graphite microparticles enter the clean room from the air inlet, and the large dust particle in the graphite microparticles is directly fallen
Enter the ash bucket, little particle dust is delayed at the filter bag outer surface after purifying by the sock filtration.
7. the dust removal method of graphite cathode material dust-extraction unit according to claim 5, which is characterized in that in the step
(2) in, the inside and outside differential pressure of corresponding filter bag is measured by multiple pressure sensors, when the inside and outside differential pressure of any filter bag rises to
It when setting value, is automatically controlled by the electric cabinet and opens corresponding electromagnetic impulse valve, the compressed air in the air accumulator is logical
Cross the jet pipe makes its dilatancy generate vibration into the filter bag, and makes to be attached to the filter under the action of inverted draft
Graphite microparticles on bag outer surface fall into the ash bucket.
8. the dust removal method of graphite cathode material dust-extraction unit according to claim 5, which is characterized in that the model of the A
Enclosing is -10~0 DEG C, and the range of the B is 50~60 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811510840.7A CN109364627A (en) | 2018-12-11 | 2018-12-11 | Graphite cathode material dust-extraction unit and dust removal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811510840.7A CN109364627A (en) | 2018-12-11 | 2018-12-11 | Graphite cathode material dust-extraction unit and dust removal method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109364627A true CN109364627A (en) | 2019-02-22 |
Family
ID=65373125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811510840.7A Pending CN109364627A (en) | 2018-12-11 | 2018-12-11 | Graphite cathode material dust-extraction unit and dust removal method |
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| Country | Link |
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| CN (1) | CN109364627A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111991941A (en) * | 2020-09-27 | 2020-11-27 | 淄博真空设备厂有限公司 | Dust remover |
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| JP2012247056A (en) * | 2011-05-27 | 2012-12-13 | Nippon Air Filter Kk | Diaphragm valve |
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| CN206809936U (en) * | 2017-03-31 | 2017-12-29 | 荆门兴安机械设备有限公司 | A kind of air box impulse bag-type dust remover |
| CN108236816A (en) * | 2016-12-23 | 2018-07-03 | 哈尔滨顺芝科技有限公司 | Using compressed air as the bag-type dust collector and dust removal method of deashing power |
| CN208082049U (en) * | 2018-02-10 | 2018-11-13 | 温州明远新型建材有限公司 | A kind of bag filter |
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2018
- 2018-12-11 CN CN201811510840.7A patent/CN109364627A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012247056A (en) * | 2011-05-27 | 2012-12-13 | Nippon Air Filter Kk | Diaphragm valve |
| CN203743607U (en) * | 2014-01-17 | 2014-07-30 | 长安大学 | Constant-temperature box for solenoid valve |
| CN108236816A (en) * | 2016-12-23 | 2018-07-03 | 哈尔滨顺芝科技有限公司 | Using compressed air as the bag-type dust collector and dust removal method of deashing power |
| CN206809936U (en) * | 2017-03-31 | 2017-12-29 | 荆门兴安机械设备有限公司 | A kind of air box impulse bag-type dust remover |
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Non-Patent Citations (1)
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Cited By (1)
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|---|---|---|---|---|
| CN111991941A (en) * | 2020-09-27 | 2020-11-27 | 淄博真空设备厂有限公司 | Dust remover |
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Application publication date: 20190222 |