CN108714336A - A kind of dust purification auxiliary device, dust purification system and method - Google Patents
A kind of dust purification auxiliary device, dust purification system and method Download PDFInfo
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- CN108714336A CN108714336A CN201810878016.0A CN201810878016A CN108714336A CN 108714336 A CN108714336 A CN 108714336A CN 201810878016 A CN201810878016 A CN 201810878016A CN 108714336 A CN108714336 A CN 108714336A
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- Prior art keywords
- dust
- clarifier
- auxiliary device
- adsorbent
- air
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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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- 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
- B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
-
- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
- B01D51/02—Amassing the particles, e.g. by flocculation
- B01D51/04—Amassing the particles, e.g. by flocculation by seeding, e.g. by adding particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/104—Alumina
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
Abstract
The present application relates to a kind of dust purification auxiliary device, dust purification system and method.The auxiliary device includes the accommodating chamber for being suitable for being connected to dust clarifier, for accommodating adsorbent；The feeder being connected to accommodating chamber, for providing air-flow to accommodating chamber；Wherein, adsorbent can be mixed under the driving of air-flow with dusty gas to be clean.The dust purification system, including dust clarifier and dust purification auxiliary device, dust purification auxiliary device are connected to dust clarifier；Dusty gas is purified after being mixed with the air-flow containing adsorbent by dust clarifier.The auxiliary device and dust purification the system enhancement adsorption effect of clarifier filter element, contribute to reverse gas cleaning to operate, make more easily to collect fine solid particle, improve filter core service life, cost-effective, also reduce or avoid influence of the dust to environment and air.
Description
Technical field
The present patent application belongs to dust-extraction unit technical field, is related to a kind of dust purification auxiliary device including the dust is net
Change dust purification system, dust purification householder method and its dust removal method of auxiliary device.It is applied to more particularly, to one kind
Due to the purification of a large amount of fine solid particles caused by laser or mechanical scratching process in semiconductor and solar cell manufacturing
The purification system and corresponding method of auxiliary device including the auxiliary device.
Background technology
In recent years, thin film solar technology is risen.Since thin-film solar cells has light weight and cost low, easy to install
The advantages that, it there has been swift and violent development once proposition.Specifically, since CIGS thin-film solar cell has higher photoelectricity
The many advantages such as transfer efficiency, preferable stability and radioresistance, it has also become most promising film photovoltaic device.
However, in the manufacture of copper-indium-galliun-selenium film solar cell, in order to allow solar cell working environment outdoors
There is down effective efficiency of fuel cell generation, and be avoided that and lead to not generate photoelectricity effect to blocking for solar panel light-receiving surface because of alien material
It answers, in the manufacture of thin-film solar cells, needs to be finely divided battery section to solar panel, to ensure that the electricity production of solar panel is imitated
Rate.Generally use laser and both modes of mechanical scratching segment battery section process to realize.But laser and mechanical scratching mistake
Journey will produce a large amount of subtle dust particles, therefore dust removal process is most important in thin-film solar cells manufacture.
Equally, in semicon industry, laser ablation process is carried out to LED panel and also will produce a large amount of fine solid particle.
The high-effective dust-removing of powder purification apparatus is also of great significance to the manufacture of LED panel.
Dust clarifier common in the art is usually made of wind turbine, filter device and dust collect plant three parts, dust
Clarifier is mainly purged the dust of substrate surface by wind turbine or auxiliary blowing mechanism again, to help dust hood or filtering system
System absorption, concrete structure and control system are complex.Although filter core therein or filter device can effectively filter big portion
Divide fine solid particle, but block filter opening there is also the smaller fine solid particle of grain size or be adhered on filter core and be not easy to fall, leads to filter core
The cost problem needed to frequently replace；In addition, fine solid particle easily floats in air to workshop condition and air born pollution.
Invention content
In view of drawbacks described above in the prior art or deficiency, in a first aspect, the present invention provides a kind of simple in structure, operations
It includes being suitable for and the dust clarifier to be easy and help to collect the dust purification auxiliary device of dust, the auxiliary device
The accommodating chamber of connection, for accommodating adsorbent；The feeder being connected to the accommodating chamber, for providing gas to the accommodating chamber
Stream；Wherein, adsorbent can be mixed under the driving of the air-flow with dusty gas to be clean.
Specifically, the dusty gas is conveyed by dusty gas delivery pipe；The accommodating chamber is conveyed with the dusty gas
Pipe be connected to, and between the accommodating chamber and the dusty gas delivery pipe be equipped with gas mixing units, the dusty gas with contain
The air-flow of adsorbent is mixed in the gas mixing units.
It is connected to by tracheae between the feeder and the accommodating chamber；The tracheae is equipped with control gas flow
Valve member.
One end of the tracheae is located in the accommodating chamber and extends in adsorbent.
The adsorbent be powdered or granular adsorbent, preferably powdered or Nanoparticulate adsorbent, further
Ground, the adsorbent can be selected from arbitrary in amorphous silica, compound SiO2 nano adsorbers and activated alumina
It is a kind of.Preferably, the adsorbent is powdered amorphous silica powder.
Second aspect, the present invention provide a kind of dust purification householder method, the method includes：Start feeder；For
The air-flow of device of air blows adsorbent, adsorbent is delivered at dusty gas to be clean, dust and adsorbent combination shape
At big grain size dust particles.
The third aspect, the present invention provide a kind of dust purification system comprising dust clarifier and the dust purification are auxiliary
Help device, wherein the dust purification auxiliary device is connected to dust clarifier；Dusty gas is mixed with the air-flow containing adsorbent
It is purified afterwards by dust clarifier.
Specifically, in the dust purification system, adsorbent can diffuse under the air stream drives of the feeder
In the dust clarifier, mixed with the dusty gas to be clean in the dust clarifier.
When gas mixing units are arranged between the accommodating chamber and the dusty gas delivery pipe, the gas mixing list
Three-port structure of the member for connection between the accommodating chamber, the dusty gas delivery pipe and the dust clarifier.
The dust clarifier includes：Filter core, and, the blowback pulse valve of reverse gas cleaning is carried out to filter core.
The dust clarifier includes：Wind turbine provides the negative pressure needed for work for filter core；Dust-collecting cylinder, for collecting from filter
The dust particles to fall off at core.
The dust purification system further includes controller and the sensory package that is electrically connected with the controller；
Wherein, the sensor module includes at least：
First gas flow transducer, for detecting the air flow rate containing adsorbent, the controller is based on first air-flow
The electric signal control valve component of sensor, to adjust the input air-flow of accommodating chamber；And pressure differential detection module, for detecting
Dust clarifier operting differential pressure is stated, when dust clarifier operting differential pressure is more than threshold value, the controller is examined based on the pressure difference
The electric signal for surveying module controls the blowback pulse valve to filter core progress reverse gas cleaning.
When dust clarifier includes wind turbine, the sensory package further includes second for air flow rate at detection blower fan
Gas flow transducer, electric signal of the controller based on second gas flow transducer control the rotation speed of fan.
Fourth aspect, the present invention also provides a kind of dust removal methods comprising：Start dust purification system and dust purification is auxiliary
Help device；The dust purification auxiliary device mixes the air-flow containing adsorbent with dusty gas to be clean, dust and absorption
Agent combines and forms big grain size dust particles；The dust clarifier carries out adsorption cleaning to big grain size dust particles.
Specifically, after the dust purification system and the dust purification auxiliary device start, the controller is controlled respectively
Wind turbine and valve member processed adjust the air flow rate at air flow rate and wind turbine containing adsorbent.
During the dust clarifier carries out adsorption cleaning to big grain size dust particles, when the dust clarifier works
When pressure difference is more than given threshold, the controller controls the blowback pulse valve and carries out reverse gas cleaning to filter core.
It is described auxiliary about above in a first aspect, in a kind of embodiment of dust purification auxiliary device of the present invention
It can also includes direct piping to help device, the accommodating chamber and the gas mixing units respectively with the direct piping two
End is connected, in order to provide the region of bigger for the mixing of absorbent particles and dusty gas.
Specifically, the gas mixing units can select three-port structure；The dusty gas delivery pipe can be selected often
The cleaning shaft of rule.One end of the direct piping is connected by the three-port structure with the cleaning shaft of dust clarifier.
One end of the air flue is connected to feeder, and the other end is located in the accommodating chamber, and extends in adsorbent.
Specifically, the feeder can select the pneumatic power source of this field routine, preferably pressure air source；The tracheae it is another
The set-up mode that one end extends in the adsorbent includes：The tracheae pass through the accommodating chamber side wall and/or bottom and/
Or top is connected to the accommodating chamber, and extend in the adsorbent of the accommodating chamber.Optionally, the tracheae passes through the appearance
Receiving the bottom of chamber is connected to the accommodating chamber, and extends in the These powdered adsorbents of the accommodating chamber；The tracheae passes through institute
The side wall for stating accommodating chamber is connected to the accommodating chamber, and extends in the These powdered adsorbents of the accommodating chamber.
Further, the tube wall of a part of tracheae extended to inside accommodating chamber is arranged to cellular tube wall.Appoint
One end of selection of land, a part of pipeline extended to inside the accommodating chamber may be arranged as porous spherical device.In addition,
Optionally, one end of a part of pipeline extended to inside the accommodating chamber can add a mandruka ball device.
The valve member can select solenoid valve and spool.
Alternatively, the tracheae may be also configured to the pipe that first pipe is connected with second pipe two parts
Road, wherein the first pipe is arranged to a part of pipeline with reserved opening, and the second pipe is arranged to extend to
A part of pipeline of the accommodating chamber.Wherein, the first pipe is arranged to connect a part of pipeline of the feeder,
The second pipe is arranged to extend to a part of pipeline of the accommodating chamber.
Further, the tube wall of a part of pipeline of the second pipe could be provided as cellular tube wall.
Adsorbent in the accommodating chamber is powdered or granular adsorbent, the absorption of preferably powdered or Nanoparticulate
Agent.Further, the adsorbent can be selected from amorphous silica, compound SiO2 nano adsorbers and activated alumina
In any one.Optionally, the adsorbent is powdered amorphous silica.
About the third aspect above, in a kind of embodiment of dust purification system of the present invention, the dust is net
Change system is taken including the auxiliary device and dust clarifier, and the auxiliary device is independently positioned on the outside of dust clarifier,
And it is connected with the dust clarifier.
Alternatively, the auxiliary device can also be arranged to the preposition component of dust clarifier filter element upstream,
It is connected by direct piping with the auxiliary device by dusty gas pipeline, and integrated one is set as with dust clarifier
The dust purification system of body.
Wherein, the air-flow that wind turbine is formed can be greater than or equal to by passing through the air flow value that the tracheae enters the accommodating chamber
Value；And specifically, it is preferable to the air flow value for entering filter element (for example, filter core) formed equal to the wind turbine.
Further, the adsorbent can be selected from amorphous silica, compound SiO2 nano adsorbers and activity
Any one in aluminium oxide.Optionally, the adsorbent is powdered amorphous silica.
In the dust purification system, the dust clarifier includes wind turbine, suction inlet, filter element, blowback pulse valve
And dust-collecting cylinder.The wherein described filter element includes filter core, and filter core aperture is about 5 μm~10 μm.
About fourth aspect above, a kind of dust purification system including the auxiliary device described in of the present invention
Dust removal method a kind of embodiment in comprising：
Start dust purification system and dust purification auxiliary device；
The dust purification auxiliary device mixes the air-flow containing adsorbent with dusty gas to be clean, dust and absorption
Agent combines and forms big grain size dust particles；
The dust clarifier carries out adsorption cleaning to big grain size dust particles.
Specifically, the wind turbine pair of air flow rate and dust clarifier containing adsorbent is detected respectively by sensor module
The air flow rate that the dusty gas generates makes absorbent powder or particle by air-flow to adjust the operating parameter of feeder
It dispels or disperse；And by the pressure differential detection module, for detecting dust clarifier operting differential pressure, when dust clarifier work
When making pressure difference more than threshold value, it is clear that electric signal control blowback pulse valve of the controller based on pressure differential detection module carries out blowback to filter core
Ash.
In another embodiment about fourth aspect above, the dust removal method includes：
Step 1: starting the wind turbine of the dust clarifier, fine solid particle is sucked by cleaning shaft by the suction inlet；
Step 2: simultaneously or subsequently, starting the auxiliary device, the air-flow from pneumatic power source passes through tracheae handle
Absorbent powder or particles diffusion in accommodating chamber, and be allowed to be blown into direct piping, three-port structure and cleaning shaft with air-flow, it inhales
Attached self-dust-suction mouth enters the fine solid particle of cleaning shaft, forms larger dust particles therewith；
Step 3: when the larger dust particles flow to the filter element of the dust clarifier, the dust
Grain is trapped to filter element side；
Step 4: when the dust particles for being trapped within side reach a certain amount of, the resistance of the filter element is more than setting
When value, the blowback pulse valve in the dust clarifier starts, and executes reverse gas cleaning operation；
Step 5: reverse gas cleaning operation collects the powder particle filtered into dust-collecting cylinder, a dust removal process terminates；
And
Cycle executes step 1 to five successively, collects dust.
Specifically, in step 2, the air flow value for blowing into accommodating chamber can be greater than or equal to the wind turbine formed into
Enter filter element air flow value；The air flow value into filter element that the preferably equal to described wind turbine is formed.
The powder filtered described in step 5 may include larger particles powder and fine-powder.
Specifically, a part of tube wall of the tracheae is cellular tube wall, contributes to enhancing that will blow into accommodating chamber and inhales
Attached dose of air-flow keeps adsorbent diffusion effect more preferable.
A porous spherical can also be arranged in one end of a part of pipeline extended into the tracheae in the accommodating chamber
Device, such as sponge ball.
Reverse gas cleaning operation is to manually control or electronic control type, is active force of the acting in opposition to the filter element,
The dust particles for being trapped within side are made to fall to the dust-collecting cylinder.
Pressure difference tabular value inside and outside the dust clarifier filter element reaches setting value, such as when 800Pa, starts
Reverse gas cleaning operates.
The air flow value from pneumatic power source can be 8-12m/s.
In the dust removal method or the dust purification system, using blowback pulse valve or reverse gas cleaning behaviour is manually controlled
Make.
The preferred amorphous silica of adsorbent.
The dust purification system including the auxiliary device is using blowback pulse valve or manually controls reverse gas cleaning behaviour
Make.
What the numerous embodiments of the present invention provided is used for dust purification auxiliary device, the dust purification system and adopts
Semiconductor LED panel is can be applied to the dust removal method of the dust purification system and solar cell is manufactured in row and delineated
The effective absorption and removing of a large amount of dust generated in the process, such as laser or the fine solid particle of mechanical scratching generation.Especially answer
In being manufactured for thin-film solar cells, such as in copper-indium-galliun-selenium film solar cell manufacture, using laser and mechanical scratching
To divide the dust purification system that battery section generates a large amount of fine solid particles in the process.
On the one hand, the auxiliary device makes adsorbing powder dust before through filter element, such as filter core, first with disperse described
Gas mixing units, such as three-port structure and the mixing of the adsorbent of vicinity, absorption, form the dust of larger particles, using
Filter core significantly improves the adsorption effect of clarifier filter element (for example, filter core), and back flushing filter core is contributed to execute deashing behaviour
Make, makes more easily to collect the dust being trapped on the outside of filter core, improve the service life of filter core, and then cost-effective.
On the other hand, the auxiliary device keeps the elimination effect of fine solid particle more preferable, considerably reduces scoring operation
To the pollution level that workshop condition and air generate, being more advantageous to reduces core plate or LED during dust manufactures solar cell
The influence of substrate performance in panel manufacture.
Description of the drawings
With reference to the following drawings, it will help understand of the present invention for dust purification auxiliary device and including described
Structure feature, purpose and the advantage of the dust purification system of auxiliary device.It needs, exemplary illustration made by attached drawing is only
Only it is used for illustrating auxiliary device, the dust purification system, dust purification householder method and dedusting side of the present invention
Method, and non-limitative illustration.
Fig. 1 is the structural schematic diagram for the dust purification auxiliary device that one embodiment of the present invention provides.
Fig. 2 is the structural schematic diagram for the dust purification auxiliary device that another embodiment of the present invention provides.
Fig. 3 is the structural schematic diagram for the dust purification auxiliary device that another embodiment of the present invention provides.
Fig. 4 is the structural schematic diagram for the dust purification auxiliary device that another embodiment of the present invention provides.
Fig. 5 is the dust purification system including the dust purification auxiliary device that one embodiment of the present invention provides
Structural schematic diagram.
Wherein, in Fig. 1,1：Dust clarifier, wherein 11：Suction inlet, 12：Cleaning shaft, 13：Filter element, 14：
Dust-collecting cylinder；
2：Auxiliary device, wherein 21：Direct piping；22：Accommodating chamber, 23：Adsorbent, 24：Solenoid valve, 25：Spool, 26：
Tracheae；
3：Pneumatic power source；
4：Three-port structure.
In Fig. 2-3, accompanying drawing number is identical as Fig. 1.
In Fig. 4,261：First pipe, 262：Second pipe.
In Figure 5,1：Dust clarifier, wherein 11：Suction inlet, 12：Cleaning shaft, 13：Filter element, 14：Dust
Cylinder；
2：Auxiliary device, wherein 21：Direct piping；22：Accommodating chamber, 23：Adsorbent, 24：Solenoid valve, 25：Spool, 26：
Tracheae；
3：Pneumatic power source；
4：Three-port structure.
Specific implementation mode
The present patent application is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining relevant apparatus of the present invention or system, rather than to the limit of the invention done
It is fixed.In addition, it should also be noted that, for ease of description, only the parts related to the present invention are shown in attached drawing.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present patent application can
To carry out intercombination or alternative selection.Application that the present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of dust purification auxiliary device 2 provided by the invention comprising：Suitable for connecting with dust clarifier
Logical accommodating chamber 22, for accommodating adsorbent 23；The feeder being connected to accommodating chamber 22, for providing gas to the accommodating chamber
Stream；Wherein, adsorbent 23 can be mixed under the driving of the air-flow with dusty gas to be clean.
Accommodating chamber 22 is connected to dusty gas delivery pipe, such as cleaning shaft 12, and accommodating chamber and dusty gas delivery pipe
Between be equipped with gas mixing units, dusty gas mixes with the air-flow containing adsorbent in herein.
It is connected to by tracheae between feeder and accommodating chamber；The tracheae is equipped with the valve member of control gas flow,
For example, selecting solenoid valve and spool as valve member.One end of tracheae is located in accommodating chamber, and extends in adsorbent.
Specifically, in the embodiment shown in fig. 1, accommodating chamber 22 includes adsorbent；One end of direct piping 21 directly with
Accommodating chamber 22 is connected, and the other end is connected by three-port structure 4 with the cleaning shaft 12 of dust clarifier 1；The one of tracheae 26
End is connected with pneumatic power source 3, and the other end passes through the bottom of accommodating chamber 22, extends to inside accommodating chamber 22；A part of tracheae
26 tube wall is arranged to cellular tube wall；Solenoid valve 24 and spool 25 are connected with tracheae 26；Solenoid valve 24 is logical with spool 25
Tracheae 26 is crossed to be connected；The air-flow from pneumatic power source 3 in 25 Collaborative Control tracheae 26 of the solenoid valve 24 and spool is
The no throughput into accommodating chamber 22 and into accommodating chamber 22, and then control These powdered adsorbents and sequentially enter direct piping
21, three-port structure 4 or cleaning shaft 12.
As shown in Fig. 2, another kind dust purification auxiliary device 2 provided by the invention, one end of tracheae 26 and aerodynamic force
Source 3 is connected, and the other end passes through the side wall of accommodating chamber 22, extends to inside accommodating chamber 22；The tube wall of a part of pipeline 26 is set
It is set to cellular tube wall, and one porous spherical device can also be set in the one end for extending into the tracheae of accommodating chamber 22.
As shown in figure 3, another kind dust purification auxiliary device 2 provided by the invention, one end of tracheae 26 and aerodynamic force
Source 3 is connected, and the other end passes through the top of accommodating chamber 22, extends to inside accommodating chamber 22.
As shown in figure 4, another kind dust purification auxiliary device 2 provided by the invention, tracheae 26 could be provided as the first pipe
Road 261 connect the pipeline of composition with second pipe 262, wherein first pipe 261 is arranged to connect the one of pneumatic power source 3
Section of tubing, second pipe 262 are arranged to extend to a part of pipeline of accommodating chamber.Further, second pipe 262 is preferred
For hose, in order to come from the air-flow of pressure air source 3 in the overshoot for blowing These powdered adsorbents diffusion, which can shake
Dynamic or swing, plays certain agitaion, is conducive to the diffusion of adsorbent.
As shown in Figure 1, the dust purification system for including auxiliary device 2 that one embodiment of the present invention provides comprising
Dust clarifier and dust purification auxiliary device, wherein dust purification auxiliary device is connected to dust clarifier；Dusty gas with
It is purified by dust clarifier after air-flow mixing containing adsorbent.Specifically, in dust purification system, adsorbent can supply
It under the air stream drives of device of air, diffuses in dust clarifier, is mixed with the dusty gas to be clean in dust clarifier.
When gas mixing units are arranged between accommodating chamber and dusty gas delivery pipe, gas mixing units are to be connected in accommodating chamber, contain
Three-port structure between dirt air shooter and dust clarifier.Dust clarifier includes：Wind turbine provides work institute for filter core
The negative pressure needed；Dust-collecting cylinder, for collecting the dust particles to fall off from filter core；Filter core；And reverse gas cleaning is carried out to filter core
Blowback pulse valve.
Dust purification system further includes controller and the sensory package being electrically connected with the controller；
Wherein, sensor module includes at least：First gas flow transducer is controlled for detecting the air flow rate containing adsorbent
Electric signal control valve component of the device processed based on the first gas flow transducer, to adjust the input air-flow of accommodating chamber；And pressure difference inspection
Module is surveyed, for detecting dust clarifier operting differential pressure, when dust clarifier operting differential pressure is more than threshold value, controller is based on pressure
The electric signal control blowback pulse valve of poor detection module carries out reverse gas cleaning to filter core.
When dust clarifier includes wind turbine, sensory package further includes the second air-flow for air flow rate at detection blower fan
Sensor, electric signal of the controller based on the second gas flow transducer control rotation speed of fan.
Specifically as shown in Figure 1, auxiliary device 2 is independently positioned at 1 outside of dust clarifier, and and dust clarifier
1 is connected, and accommodating chamber 22 includes adsorbent, such as powdered or nano-scale particle shape adsorbent；One end of direct piping 21 is straight
It connects and is connected with accommodating chamber 22, the other end is connected by three-port structure 4 with cleaning shaft 12；One end of tracheae 26 is dynamic with gas
Power source 3 is connected, and the other end passes through the bottom of accommodating chamber 22, extends to inside accommodating chamber 22；The tube wall quilt of a part of tracheae 26
It is set as cellular tube wall；Solenoid valve 24 and spool 25 are connected with tracheae 26；Solenoid valve 24 passes through 26 phase of tracheae with spool 25
Connection；Whether the air-flow from pneumatic power source 3 in 25 Collaborative Control tracheae 26 of solenoid valve 24 and spool enters accommodating chamber 22
And enter the throughput of accommodating chamber 22, and then control These powdered adsorbents and sequentially enter direct piping 21, three-port structure 4 or remove
Dirt pipeline 12.
As shown in figure 5, the dust purification system for including auxiliary device 2 that another embodiment of the present invention provides, auxiliary
Device 2 can be arranged to the preposition component of filter element 13 (for example, filter core) upstream of dust clarifier 1, pass through cleaning shaft
12 are connected with the direct piping 21 of auxiliary device 2.And auxiliary device 2 is set as integrated with dust clarifier 1
Dust purification system.
Wherein, the component that auxiliary device 2 includes can be identical with component shown in Fig. 1-5 and connection type.
Further to illustrate provided by the present invention for the auxiliary device of dust purification system and including the auxiliary device
The operation principle of auxiliary device will be explained further below in the advantage of dust purification system.
With reference to structural schematic diagram as shown in Figs 1-4, accommodating chamber 22 is for storing adsorbent 23；Valve member, such as electricity
Magnet valve 24 and spool 25, air-flow of the synergistic effect control from pneumatic power source；The air-flow of compressed air makes in accommodating chamber 22
Absorbent powder or particles diffusion, and blown into successively in direct piping 21, three-port structure 4 and cleaning shaft 12 with air-flow, thus
It can be so that the air-flow with absorbent powder or particle (for example, SiO 2 powder) sucks cleaning shaft with by suction inlet 11
The air-flow of carrying fine solid particle in 12 merges at direct piping 21 or three-port structure 4 or cleaning shaft 12, and two strands of air-flows are mixed
It closes, consequently facilitating absorbent powder is fully adsorbed with fine solid particle forms large dust particle, then passes through cleaning shaft 12 and arrive powder
Filter element 13 in dirt clarifier 1, quilt are simultaneously trapped into filter element side, the filter element 13 in the operation of dust clarifier 1
When the resistance of (for example, filter core) is more than setting value, the blowback pulse valve in dust clarifier 1 starts, and carries out reverse gas cleaning automatically
Operation, by being fallen in dust-collecting cylinder 14 with the large dust particle blowback after absorbent powder or granular absorption, the frequency of deashing
Rate can be set according to practical grey magnitude；Reverse gas cleaning process can also carry out manually, when observing 1 panel of dust clarifier
When middle pressure difference reaches threshold value, such as 800Pa, it is also an option that manual reverse gas cleaning, presses manual deashing button and carries out manually
Reverse gas cleaning operates.
Such as Fig. 1 or shown in fig. 5 devices, using removing including auxiliary device shown in Fig. 1 or 5 or shown dust purification system
Dust collecting method, this method include：Start dust purification system and dust purification auxiliary device；Dust purification auxiliary device will contain absorption
The air-flow of agent is mixed with dusty gas to be clean, and dust is combined to form big grain size dust particles with adsorbent；Dust clarifier
Adsorption cleaning is carried out to big grain size dust particles.
Specifically, after dust purification system and dust purification auxiliary device start, controller controls wind turbine and valve respectively
Component adjusts the air flow rate at air flow rate and wind turbine containing adsorbent.
During dust clarifier carries out adsorption cleaning to big grain size dust particles, when the dust clarifier operting differential pressure
When more than given threshold, the controller controls the blowback pulse valve and carries out reverse gas cleaning to filter core.
In a particular embodiment, detailed step is as follows：
Step 1: starting the wind turbine of dust clarifier 1, fine solid particle is sucked by cleaning shaft 12 by suction inlet 11；
Step 2: simultaneously or subsequently, starting auxiliary device 2, the air-flow from pneumatic power source 3 passes through tracheae 26
Absorbent powder or particles diffusion in accommodating chamber 22, and be allowed to be blown into direct piping 21, three-port structure 4 and dust removing tube with air-flow
Road 12, absorption self-dust-suction mouth 11 enter the fine solid particle of cleaning shaft 12, form larger dust particles therewith；
Step 3: when larger dust particles flow to the filter element 13 of dust clarifier 1, dust particles be trapped to
13 side of filter element；
Step 4: when the dust particles for being trapped within side reach a certain amount of, the resistance of filter element 13 is more than setting value
When, the blowback pulse valve in dust clarifier 1 starts, and executes reverse gas cleaning operation；
Step 5: reverse gas cleaning operation collects the powder particle filtered into dust-collecting cylinder 14, a dust removal process knot
Beam；And
Cycle executes step 1 to five successively, collects dust.
Specifically, in step 2, filter house can be entered more than or equal to wind turbine formation by blowing into the air flow value of accommodating chamber
Part air flow value；The air flow value into filter element that preferably equal to wind turbine is formed.
The powder filtered in step 5 may include larger particles powder and fine-powder.
Specifically, a part of tube wall of tracheae 26 is cellular tube wall, contributes to enhancing that will blow into accommodating chamber and adsorbs
The air-flow of agent keeps adsorbent diffusion effect more preferable；
A porous spherical device can also be arranged in one end of a part of pipeline extended into tracheae in accommodating chamber, such as
Sponge ball.
Reverse gas cleaning operation is to manually control or electronic control type, is active force of the acting in opposition to filter element 13, makes to be cut
The dust particles for staying in side fall to dust-collecting cylinder 14.
Pressure difference tabular value inside and outside dust clarifier filter element reaches setting value, such as when 800Pa, starts blowback
Deashing operates.
Air flow value from pneumatic power source can be 8-12m/s.
In the dust removal method shown in or dust purification system, using blowback pulse valve or reverse gas cleaning behaviour is manually controlled
Make.
The preferred amorphous silica of adsorbent.
Dust purification system including auxiliary device 2 is using blowback pulse valve or manually controls reverse gas cleaning operation.
Wherein, which is that can adjust or change according to practical application.In conjunction with pressure in the prior art
Sensor is mounted on the surfaces externally and internally of the filter element (for example, filter core) of dust clarifier by sensor device, in measuring
External pressure force value.Further, it is also possible to using integrated form clarifier panel in the prior art, which includes control device, pressure
Display device and sensor.
To further illustrate, in a kind of manufacture of thin-film solar cells, implemented using any one that the present invention describes
Auxiliary device that mode is provided, the suction that dust clarifier is usually arranged are 250-300mbar, and gas is in normal conditions
Volume flow V is 800-900Nm3The diameter d of/h, dust sucting pipeline are 80mm, the average gas pressure P of compressed airmFor 0.5-
0.6Mpa, the temperature on average T in cleaning shaftmIt it is 25 DEG C, the density p of dusty gas is 1831.5kg/m3.According to shown below
Tracheae lead to formula, it is 8-12m/s that gas flow rate in cleaning shaft, which is calculated,.
It is as shown below that tracheae leads to formula：
In formula (1)：The volume flow of V --- gas in normal conditions, Nm3/h
D --- internal diameter of the pipeline, mm
By?
In formula (2)：ω0--- the volume flow of gas in normal conditions, m/s in pipe
The mass flow of G --- gas, kg/h
The density of ρ --- gas in normal conditions, kg/m3
The amendment that formula (2) (3) is carried out to pressure and temperature according to endotracheal flow velocity general formula, further obtains reality
The velocity formula of border air-flow obtains：
Or
In formula (4)-(5)：tm--- the mean temperature of gas in pipe, DEG C
pm--- the average pressure of gas, Mpa in pipe
ωR--- gas actual flow velocity, m/s.
Compared with prior art, it is using the advantage of above-mentioned auxiliary device：The assistant apparatus structure is simple, is manufactured into
This is low, and it is net to improve dust well using powdered or granular adsorbent characteristic by using the construction of auxiliary device
Change the dust removal by filtration effect of the filter element (for example, filter core) in device, improve the service life of filter element (for example, filter core),
The cost for frequently replacing filter core is also reduced, pollution of the fine solid particle to environment is greatly lowered or avoids.
Above description is only the better embodiment of the present invention and the explanation to institute's application technology principle.Art technology
Personnel should be appreciated that invention scope involved in the present patent application, however it is not limited to which the specific combination of above-mentioned technical characteristic forms
Technical solution, while should also cover without departing from the inventive concept, by above-mentioned technical characteristic or its equivalent feature
The other technical solutions for carrying out arbitrary combination or alternative selection and being formed.
Claims (16)
1. a kind of dust purification auxiliary device, which is characterized in that the auxiliary device includes：
Suitable for the accommodating chamber being connected to the dust clarifier, for accommodating adsorbent；
The feeder being connected to the accommodating chamber, for providing air-flow to the accommodating chamber；
Wherein, adsorbent can be mixed under the driving of the air-flow with dusty gas to be clean.
2. dust purification auxiliary device according to claim 1, which is characterized in that the dusty gas is defeated by dusty gas
Pipe is sent to convey；
The accommodating chamber is connected to the dusty gas delivery pipe, and is set between the accommodating chamber and the dusty gas delivery pipe
There are gas mixing units, the dusty gas to be mixed in the gas mixing units with the air-flow containing adsorbent.
3. dust purification auxiliary device according to claim 1, which is characterized in that the feeder and the accommodating chamber
Between be connected to by tracheae；The tracheae is equipped with the valve member of control gas flow.
4. dust purification auxiliary device according to claim 1, which is characterized in that one end of the tracheae is located at the appearance
It receives and intracavitary and extends in adsorbent.
5. the dust purification auxiliary device according to any one of claim 1-4, which is characterized in that the adsorbent is selected from
Any one in amorphous silica, compound SiO2 nano adsorbers and activated alumina.
6. a kind of dust purification householder method, which is characterized in that the method includes：
Start feeder；
The air-flow of feeder blows adsorbent, adsorbent is delivered at dusty gas to be clean, dust and adsorbent
In conjunction with the big grain size dust particles of formation.
7. a kind of dust purification system comprising dust clarifier, which is characterized in that the dust purification system further includes right
It is required that the dust purification auxiliary device described in any one of 1-4, the dust purification auxiliary device is connected to dust clarifier；
Dusty gas is purified after being mixed with the air-flow containing adsorbent by dust clarifier.
8. dust purification system according to claim 7, which is characterized in that in the dust purification system, adsorbent energy
It is enough to be diffused in the dust clarifier under the air stream drives of the feeder, with waiting for only in the dust clarifier
Change dusty gas to be mixed.
9. dust purification system according to claim 7, which is characterized in that when the accommodating chamber and the dusty gas are defeated
Send when gas mixing units are set between pipe, the gas mixing units be connected to it is defeated in the accommodating chamber, the dusty gas
Send the three-port structure between pipe and the dust clarifier.
10. dust purification system according to claim 7, which is characterized in that the dust clarifier includes：Filter core, with
And the blowback pulse valve of reverse gas cleaning is carried out to filter core.
11. dust purification system according to claim 10, which is characterized in that the dust clarifier includes：
Wind turbine provides the negative pressure needed for work for filter core；
Dust-collecting cylinder, for collecting the dust particles to fall off from filter core.
12. the dust purification system according to claim 10 or 11, which is characterized in that the dust purification system further includes
Controller and the sensory package being electrically connected with the controller；
Wherein, the sensor module includes at least：
First gas flow transducer, for detecting the air flow rate containing adsorbent, the controller is sensed based on first air-flow
The electric signal control valve component of device, to adjust the input air-flow of accommodating chamber；And
Pressure differential detection module, for detecting the dust clarifier operting differential pressure, when dust clarifier operting differential pressure is more than threshold value
When, electric signal of the controller based on the pressure differential detection module controls the blowback pulse valve and carries out blowback to the filter core
Deashing.
13. dust purification system according to claim 12, which is characterized in that when dust clarifier includes wind turbine, institute
It further includes the second gas flow transducer for air flow rate at detection blower fan to state sensory package, and the controller is based on described second
The electric signal of gas flow transducer controls the rotation speed of fan.
14. a kind of dust removal method, which is characterized in that including：
Start dust purification system and dust purification auxiliary device；
The dust purification auxiliary device mixes the air-flow containing adsorbent with dusty gas to be clean, dust and adsorbent knot
Conjunction forms big grain size dust particles；
The dust clarifier carries out adsorption cleaning to big grain size dust particles.
15. dust removal method according to claim 14, which is characterized in that the dust purification system and the dust purification
After auxiliary device starts, the controller controls wind turbine and valve member respectively, adjusts air flow rate and wind turbine containing adsorbent
The air flow rate at place.
16. dust removal method according to claim 14, which is characterized in that the dust clarifier is to big grain size dust particles
During carrying out adsorption cleaning, when the dust clarifier operting differential pressure is more than given threshold, described in the controller control
Blowback pulse valve carries out reverse gas cleaning to filter core.
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| CN201810878016.0A CN108714336A (en) | 2018-08-03 | 2018-08-03 | A kind of dust purification auxiliary device, dust purification system and method |
| PCT/CN2018/111229 WO2020024450A1 (en) | 2018-08-03 | 2018-10-22 | Dust purification auxiliary apparatus, dust purification system, and method therefor |
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| CN201810878016.0A CN108714336A (en) | 2018-08-03 | 2018-08-03 | A kind of dust purification auxiliary device, dust purification system and method |
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| CN111229163A (en) * | 2020-02-11 | 2020-06-05 | 江西众安职业危害评价检测有限公司 | Dust adsorbent, preparation method thereof and dust adsorption and filtration device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113893624A (en) * | 2021-10-26 | 2022-01-07 | 中国石油化工股份有限公司 | Dust-proof adsorbent unloading port of gasoline adsorption desulfurizing device |
| CN117101293B (en) * | 2023-10-11 | 2024-05-03 | 四川省绵竹澳东水泥有限责任公司 | Bag-type dust remover blowing ash removal control system based on PLC control |
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| CN202237788U (en) * | 2011-08-25 | 2012-05-30 | 福建省丰泉环保控股有限公司 | Double powder spraying device for refuse burning smoke purifying system |
| CN205269324U (en) * | 2015-12-28 | 2016-06-01 | 无锡红旗除尘设备有限公司 | Thermoplastic resin sand coremaking exhaust purification processing system |
| CN206508757U (en) * | 2016-12-30 | 2017-09-22 | 安徽海螺川崎工程有限公司 | Activated carbon injection equipment is used in flue gas of refuse burning processing |
| CN108261853A (en) * | 2018-02-28 | 2018-07-10 | 中冶焦耐(大连)工程技术有限公司 | The coke oven viscosity flue dust dust pelletizing system and method for powder active regeneration is preliminarily sprayed |
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- 2018-10-22 WO PCT/CN2018/111229 patent/WO2020024450A1/en active Application Filing
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| CN202237788U (en) * | 2011-08-25 | 2012-05-30 | 福建省丰泉环保控股有限公司 | Double powder spraying device for refuse burning smoke purifying system |
| CN205269324U (en) * | 2015-12-28 | 2016-06-01 | 无锡红旗除尘设备有限公司 | Thermoplastic resin sand coremaking exhaust purification processing system |
| CN206508757U (en) * | 2016-12-30 | 2017-09-22 | 安徽海螺川崎工程有限公司 | Activated carbon injection equipment is used in flue gas of refuse burning processing |
| CN108261853A (en) * | 2018-02-28 | 2018-07-10 | 中冶焦耐(大连)工程技术有限公司 | The coke oven viscosity flue dust dust pelletizing system and method for powder active regeneration is preliminarily sprayed |
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| CN111229163A (en) * | 2020-02-11 | 2020-06-05 | 江西众安职业危害评价检测有限公司 | Dust adsorbent, preparation method thereof and dust adsorption and filtration device |
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| WO2020024450A1 (en) | 2020-02-06 |
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