CN105428219B - A kind of bad water clean cycle system of silk-screen printing and its production line - Google Patents
A kind of bad water clean cycle system of silk-screen printing and its production line Download PDFInfo
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- CN105428219B CN105428219B CN201510953184.8A CN201510953184A CN105428219B CN 105428219 B CN105428219 B CN 105428219B CN 201510953184 A CN201510953184 A CN 201510953184A CN 105428219 B CN105428219 B CN 105428219B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02041—Cleaning
- H01L21/02043—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H01L21/02052—Wet cleaning only
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Abstract
The invention discloses a kind of bad water clean cycle systems of silk-screen printing, including infuser device (2), front flusher (3) and reverse side flusher (4), the first solution circulating device (29) are equipped at first liquid outlet (26), first solution circulating device (29) outlet is connected with the first inlet (28), the second solution circulating device (34) are equipped at second liquid outlet (31), second solution circulating device (34) outlet is connected with the second inlet (33), the filter device for filtering solid sediment is equipped at first liquid outlet (26) and the second liquid outlet (31), before carrying out front and back sides cleaning, first pass through primary immersion, it not only can remove bad surface portion aluminium paste, and it can play in the silver paste for make its surface and penetrate into a part of water, so that During front is rinsed and rinsed instead, silver paste is easier to fall off, and reduces the requirement to water velocity, and can realize the independent recycling to aluminium and silver.
Description
Technical field
The present invention relates to bad water clean cycle system of machinery field more particularly to a kind of silk-screen printing and its productions
Line.
Background technique
Crystal silicon solar back electric field, back electrode are located at rear surface of solar cell, formed silion cell the back side and lower electrode.
It is matched with the top electrode on silion cell surface, plays and the electric energy that silicon solar cell generates is sent to extraneous effect, positive electricity
Pole and back electrode are formed by aluminium paste by printing, drying, sintering by silver paste, back electrode.
In normal cell piece silk-screen printing production process, it often will appear silk caused by some exceptions due to printing
Net printing defective, these substandard products mainly have that front description is imperfect, back side figure is imperfect, back side aluminium paste has drained to cell piece
Front or side etc..For all these printing defectives Yi Dan after drying, being sintered, slight becoming waits substandard products, serious straight
Waste product can be generated by connecing, to influence final product qualification rate and conversion ratio.
It is at present manually to be cleaned or rinsed with water at all to the processing method of cell piece silk-screen printing substandard products, efficiency
Low, effect is poor, is unfavorable for the production needs of industrialization.
As notification number be CN203536461U utility model patent disclose it is a kind of for wiping silk-screen printing substandard products
Workbench, including desktop, setting on the table for placing and adsorbing the hollow table top of printing defective, be used to support desktop
Bracket and for making to generate negative pressure in table top and then adsorbing the vacuum pump of printing defective, the panel of the table top is equipped with
Multiple apertures, the table top bottom plate are equipped with through-hole, and the through-hole is connected to by hose with vacuum pump.It is wiped using this workbench
When wiping silk-screen printing substandard products, silver paste is not easy to be stained on left handed gloves, and silver paste is facilitated to recycle；And silicon wafer is fixed than stronger,
It improves work efficiency.The patent uses pure manual cleaning method, has cleaning efficiency low, effect is poor, is unfavorable for industrialization
Production need.
The patent of invention that for another example notification number is CN102437234B discloses a kind of printing of solar battery sheet and does over again substandard products
Processing method, ultrasonic cleaning, first wash, the cleaning of hot hydrochloric acid, second successively are carried out to solar battery sheet of doing over again
Silk-screen printing is washed, dries and re-starts, it solves the solar battery sheet after existing printing and not can be carried out effectively
Reworked processing and the problem of lead to the wasting of resources, cost increase.But its do not relate to cell piece cleaning equipment, also without
Method realizes the cleaning of automation, has cleaning efficiency low, effect is poor, is unfavorable for the production needs of industrialization.
For another example after the patent of invention that notification number is CN100505334B discloses a kind of printing of crystal silicon solar cell sheet
Substandard products reworking method, including three steps: with HCL cleaning solution, the aluminium paste at the cell piece back side is removed；Cell piece is removed with isopropanol
The silver paste in positive and negative two face；Depth cleaning is carried out to the cell piece for removing slurry substantially with depth cleaning solution, is thoroughly washed
Small impurity.By the processing of this method, the transfer efficiency of cell piece can achieve the level of normal battery piece, and appearance
Also it is no different with normal battery piece, has achieved the purpose that cleaning of doing over again.The disqualification rate of cell piece silk-screen is by 2% or so original drop
As low as 0.2% or so, to improve the qualification rate and yield rate of silicon solar cell.But it is also without reference to cell piece
The equipment of cleaning also cannot achieve the cleaning of automation, have cleaning efficiency low, and effect is poor, and the production for being unfavorable for industrialization needs
It wants.
Summary of the invention
For overcome bad of silk-screen printing existing in the prior art by hand cleaning it is existing cleaning efficiency is low, effect is poor,
It is unfavorable for the problems such as industrialization production needs, the present invention provides a kind of bad water clean cycle systems of silk-screen printing, including
Infuser device, front flusher and reverse side flusher, the infuser device bottom are equipped with the first liquid outlet, and top is equipped with the
One gas outlet, side are equipped with the first inlet, are equipped with the first solution circulating device, first solution at first liquid outlet
Circulator outlet is connected with first inlet, is equipped with storage below the front flusher and the reverse side flusher
Pond, the tank side are equipped with the second liquid outlet, and top is equipped with the second gas outlet, and side is equipped with the second inlet, described
The second solution circulating device, the second solution circulating device outlet and the second inlet phase are equipped at second liquid outlet
Even, the filter device for filtering solid sediment, the filter device are equipped at first liquid outlet and the second liquid outlet
Including being combined by three layers of non-woven fabrics using needle thorn, it is followed successively by melt spraying non-woven fabrics, needle punched non-woven fabrics, melt-blown nonwoven from front to back
Cloth.
Solution is that NaOH solution is made not using the principle that aluminium can react with alkali in alkaline solution in infuser device
Aluminium in good is dissolved in NaOH solution, reaction equation are as follows:
2Al+3OH-+6H2O=2 [Al (OH)4]-+3H2↑
Hydrogen is overflowed from the first gas outlet to be recycled, and in the first solution circulating device, by adjusting pH value, makes shape in solution
At the floccule of white, floccule precipitates in the first solution circulating device, and remaining solution flows back into infuser device, realizes
It recycles.
Solution in front flusher and reverse side flusher is the mixed solution of nitric acid and sulfuric acid, using silver in acidity
The principle that can be reacted with acid in solution is by after silver dissolution, then is precipitated in the second solution circulating device, realizes recycling.
Further, first solution circulating device include from front to back successively include the first sedimentation basin, the second sedimentation basin,
Third sedimentation basin and the first mixing arrangement, first liquid outlet are connected with first tank inlet, first precipitating
Third inlet is equipped with above pond；Hook-shaped stirring is respectively provided in first sedimentation basin, the second sedimentation basin and third sedimentation basin
Device, first sedimentation basin, the second sedimentation basin and third sedimentation basin exit are equipped with the mistake for filtering flocky precipitate
Strainer 40.Inlet is alkaline solution, can be used to adjust the pH value of solution, when by filter screen, floccule is hindered solution
It is interposed between its entering surface, to realize separation, by filtering three times, can effectively improve the rate of recovery of the floccule containing aluminium.
Further, the filter screen includes three layers, is followed successively by machine-woven fabric layer, eedle-punched non-wovens layer and machine-woven fabric layer from front to back,
Wherein the porosity of the eedle-punched non-wovens layer is greater than 90%.By be arranged macroporosity filter screen, reduce solution filtering when by
The resistance arrived.The aperture of first sedimentation basin, the second sedimentation basin and the filter screen on third sedimentation basin gradually decreases, and in this way may be used
So that the diameter for filtering floccule in three sedimentation basins gradually decreases, by the filtering of the first sedimentation basin, realize that bulk is wadded a quilt with cotton containing aluminium
The filtering of shape object, the second sedimentation tank filter fall remaining a small amount of bulk floccule containing aluminium and a large amount of fritter floccule containing aluminium, finally
Third sedimentation tank filter falls the aluminium-containing precipitated object of remaining fritter.
Further, since this body structure of floccule has certain filter effect, it can be further after being attached on filter screen
The strainability for improving filter screen, especially to the strainability of fritter floccule containing aluminium.
Further, it is connected between the third settler and first mixing arrangement by pipeline, described first is mixed
It attaches together to set to export and be connected with first inlet, the first fluid infusion is equipped in first mixing arrangement and is used for mixed solution
The first agitating device.By the way that certain density NaOH solution is added, come so that the concentration of mixed solution controls the model in setting
In enclosing, can choose concentration here is 30~35% NaOH solution as the liquid supplemented.
Further, second solution circulating device includes the 4th sedimentation basin, filtering centrifuge and the second mixing arrangement, institute
The 4th tank inlet is stated to be connected with second liquid outlet, outlet be connected with the filtering centrifuge entrance, it is described filter from
Scheming outlet is connected with the second mixing arrangement entrance, and the second mixing arrangement outlet is connected with second inlet,
The second fluid infusion and the second agitating device for mixed solution are equipped in second mixing arrangement.
Further, the 4th sedimentation basin is equipped with the 4th inlet.
Silver is precipitated by the way that hydrochloric acid is added for 4th sedimentation basin, and the 4th sedimentation basin and filtering centrifuge junction are equipped with filtering
Most of silver-colored sediment can be filtered, using filtering centrifuge, further be utilized remaining silver recovery, second by net
The mixed liquor of a certain amount of nitric acid and sulfuric acid is filled into mixing arrangement again, so that the concentration of flushing liquor reaches the requirement of setting.
Further, the roller diameter of the filtering centrifuge is 1000mm, and the revolving speed of the rotary drum is 2200r/mm, separation
Factor is 2300, and inlet amount is 30~100m2/h.Separation factor is used to be very suitable to the mistake to sediment silver-colored in solution for 2300
Filter, inlet amount can need to be adjusted according to the speed and chemical reaction of production.
Further, the sparge pipe of one or more is equipped in the front flusher and the reverse side flusher, often
It being uniformly distributed on described in item there are three above water jet, the water spraying direction of the water jet and the angle of horizontal direction be 30~
70°.It is rinsed, can be determined as to avoid the disorder of water flow, water spraying direction and horizontal direction using multiple water jets are equidirectional
Angle be 30~70 ° and can improve its flushing effect in the case where reducing water flow to bad impact force as far as possible.
Further, it is possible to be rinsed simultaneously using positive face, it is positioned to vertical state by bad when rinsing, if two
Sparge pipe is arranged, water jet and the angle of plane where bad are 30~70 °.
The present invention also provides a kind of production lines with bad water clean cycle system of above-mentioned silk-screen printing, from front to back
It successively include feeding device, water clean cycle system, drying unit and discharging device, the feeding device, water clean cycle system
Using conveying device through connection between system, drying unit and discharging device.
Further, the conveying device two sides are equipped with and conveying device running track disposed in parallel, the operation
Track is evenly distributed with positioning device on along its length, the positioning device includes fixing clip, for controlling the fixation
The rotating control assembly of fixture block rotary motion, the translation control device moved forward and backward for controlling the rotating control assembly, institute
It states translation control device to be slidably mounted in the running track, the output end of the translation control device and the rotation control
Device connection, the fixing clip are fixed on the output end of the rotating control assembly.
By translation control device by bad clamp or release of silk-screen printing, rotating control assembly is bad by silk-screen printing
Piece overturning realizes front and back sides cleaning, realizes the automation of silk-screen printing bad cleaning.
Further, the translation control device include the shell being slidably mounted in the running track, be fixed on it is described
The first motor of case inside one end, the screw rod on first motor central axis, for fixing the rotating control assembly
Fixed device, the screw rod outer surface are equipped with screw thread, and the fixed device is equipped with an inner surface and the wire rod thread cooperates
Nested mouth.First motor uses servo motor, by screw rod transmission, converts straight line fortune for the rotary motion of electric machine main shaft
It is dynamic, improve accuracy when fixing clip clamps.
Further, the screw rod can be divided into two parts, be located in the running track of the two sides of conveying device, and point
She You not be for fixing the fixation device of the rotating control assembly, the screw rod outer surface is equipped with screw thread, two-part outer spiral shell
Line is contrary, and the nested mouth that an inner surface cooperates with the wire rod thread is respectively equipped on two fixed devices.First
Motor uses servo motor, and by screw rod transmission, the rotating control assembly for controlling the left and right sides is moved to centre with identical speed,
Bad is clamped, the left and right sides uses same screw rod, and accuracy and stability when cooperating between two fixing clips can be improved.
Further, more than two sliding sleeves are also fixed in the case inside, being cased on each sliding sleeve can edge
The sliding block of sliding sleeve direction side-to-side movement, the sliding block are each attached on the fixed device, and rotating control assembly is along sliding sleeve
Movement, improves stability when its linear motion, reduces unstable to not because of sliding when fixing clip is contacted with bad
Impact force caused by good.
Further, the rotating control assembly includes the second motor, harmonic wave speed reducing machine, the first rotary shaft and the second rotation
Axis, second motor and the harmonic wave speed reducing machine are fixed on the fixed device, and first rotary shaft is fixed on described
On second motor center axis, second rotary shaft one end is fixed in first rotary shaft, and the fixing clip is fixed on
The second rotary shaft other end.Second motor uses servo motor, realizes fixing clip by accurately controlling its rotation
Overturning, to realize the cleaning to bad front and back sides.
Further, the fixing clip includes the clamping opening towards the conveying device direction, and the clamping opening includes for fixing
The fixed section at bad edge and for dragging the bad changeover portion, the changeover portion is to incline to the clamping opening fixed section
Oblique slope.
Further, buffer layer is equipped on the inside of the clamping opening.When reduction fixing clip is contacted with bad, or in the mistake of cleaning
Bad bring impact force is given in journey, plays the role of buffering.
Further, fixing clip changeover portion bottom and the conveying device are in the same plane.In this way, fixed
Conveying device is close in fixture block bottom during moving downward, when touching bad, by two fixing clamps of left and right settings
Block holds up bad to fixed section, realizes the fixation to bad.
Further, the changeover portion is curve, and the angle of tangent line and fixing clip bottom surface is from fixing clip tip to folder
Mouth direction gradually increases, and maximum angle is less than 80 DEG C.It can reduce by bad edge receiving during reaching fixed section in this way
Horizontal pressure force effect, reduce influence to bad tablet quality.
The present invention also provides a kind of production methods using above-mentioned cleaning product line, include the following steps:
Step 1: will be in bad conveying device being placed in feeding device of silk-screen printing；
Step 2: conveying device two sides are located at the control of the positioning device in running track translation control device for silk-screen printing
Bad is clipped in the middle；
Step 3: the positioning device drives silk-screen printing bad to enter infuser device, in the cleaning solution of infuser device
2~3min of middle immersion carries out positive flushing by front flusher, and the angle for rinsing water (flow) direction and horizontal direction is less than
60 °, the speed of water flow is 0.3~0.6m/s, and water temperature is 30~60 DEG C；
Step 4: the positioning device control rotating control assembly drives silk-screen printing bad to overturn 180 °, using
Reverse side flusher carries out reverse side flushing, rinses the angle of water (flow) direction and horizontal direction less than 60 °, the speed of water flow is 0.3
~0.6m/s, water temperature are 30~60 DEG C；
Step 5: silk-screen printing bad after drying unit is dried, positioning device control translation control
Device is moved to two sides, is made bad disengaging fixing clip of silk-screen printing, is fallen in the conveying device in the discharging device, complete
At cleaning.
Preferably, cleaning solution is NaOH solution in the infuser device, and solution concentration 27%, temperature control is 22
℃；Flushing liquor in the front flusher and reverse side flusher is the mixed solution of nitric acid and hydrochloric acid, solution it is dense
Spending is 5mol/L, and the proportion of the nitric acid and the hydrochloric acid is 3:1.
It is automatically positioned and is overturn using positioning device, and by once impregnating, front is rinsed and reverse side rinses, and is improved not
Good cleaning effect realizes bad cleaning so that once purged bad has reached the standard of recycling and reusing
Automatic operation.
Before carrying out front and back sides cleaning, primary immersion is first passed through, not only can remove bad surface portion aluminium paste, and
And can play in the silver paste for make its surface and penetrate into a part of water, during so that rinsing in front and rinsing instead, silver
Slurry is easier to fall off, and reduces the requirement to water velocity.The method can also be achieved the independent recycling to aluminium and silver.
Compared with prior art, the beneficial effects of the present invention are:
(1) positioning device is used, includes balance control device and rotating control assembly in positioning device, is controlled by translation
Device overturns silk-screen printing bad bad clamp or release of silk-screen printing, rotating control assembly, realizes that front and back sides are clear
It washes, realizes the automation of silk-screen printing bad cleaning；
(2) first motor uses servo motor, by screw rod transmission, converts straight line fortune for the rotary motion of electric machine main shaft
It is dynamic, improve accuracy when fixing clip clamps；
(3) more than two sliding sleeves are fixed in case inside, it is straight to improve it along sleeve movement for rotating control assembly
Stability when line moves is reduced unstable to impact caused by bad because of sliding when fixing clip is contacted with bad
Power；
(4) buffer layer is equipped on the inside of clamping opening, when reduction fixing clip is contacted with bad, or to not during cleaning
Good bring impact force, plays the role of buffering；
(5) clamping opening includes the changeover portion for dragging bad, and changeover portion is curve, tangent line and fixing clip bottom surface
Angle is gradually increased from fixing clip tip to clamping opening direction, and maximum angle can reduce bad in this way and arrive less than 80 DEG C
The horizontal pressure force effect that edge is born during up to fixed section, reduces the influence to bad tablet quality；
(6) it is automatically positioned and overturns using positioning device, and by once impregnating, front is rinsed and reverse side rinses, and is improved
Bad cleaning effect realized bad so that once purged bad has reached the standard of recycling and reusing
The automatic operation of piece cleaning；
(7) before carrying out front and back sides cleaning, primary immersion is first passed through, not only can remove bad surface portion aluminium
Slurry, and can play in the silver paste for make its surface and penetrate into a part of water, so that the process rinsed and rinsed instead in front
In, silver paste is easier to fall off, and reduces the requirement to water velocity, and can realize the independent recycling to aluminium and silver.
(8) the first solution circulating device and the second solution circulating device are set, recycled by solution, the mistake in cyclic process
Floccule containing aluminium and silver-colored sediment are filtered out, certain solute is then supplemented, realizes recycling for solution.
Detailed description of the invention
Fig. 1 is that the present invention preferably produces line frame graph；
Fig. 2 is the present invention preferably flow diagram；
Fig. 3 is the present invention preferably positioning device structure figure one；
Fig. 4 is the present invention preferably positioning device structure figure two；
Fig. 5 is the present invention preferably fixing clip structure chart one；
Fig. 6 is the present invention preferably fixing clip structure chart two；
Fig. 7 is the present invention preferably the first solution circulating device structure chart；
Fig. 8 is the present invention preferably the second solution circulating device structure chart.
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
Line frame graph is preferably produced for the present invention as shown in Figure 1, is successively followed from front to back including feeding device 1, water cleaning
Loop system, drying unit 5 and discharging device 6, the feeding device 1, water clean cycle system, drying unit 5 and discharging device 6
Between using conveying device 7 through connection, the water clean cycle system includes infuser device 2, front flusher 3 and reverse side
Flusher 4.
It is illustrated in figure 2 the present invention preferably flow diagram, silk-screen printing bad feeds through feeding device 1, positioning dress
It sets 9 to position it, then soaking device 2 is impregnated, front flusher 3 carries out positive flushing, then by positioning device 9
180 ° of overturning, then reverse side flushing is carried out through reverse side flusher 4, drying unit 5 discharges after being dried, and obtaining, which can be used for, recycles
The cell piece used.
It is illustrated in figure 3 the present invention preferably positioning device structure figure one, positioning device 9 is in the shape before positioning at this time
State is illustrated in figure 4 the present invention preferably positioning device structure figure two, and positioning device 9 is in state after positioning, conveying dress at this time
Set 7 two sides be equipped with the conveying device 7 running track 8 disposed in parallel, running track 8 is evenly distributed on along its length
Positioning device 9, positioning device 9 include fixing clip 20, the rotation control dress for controlling 20 rotary motion of fixing clip
The translation control device set, moved forward and backward for controlling the rotating control assembly, the translation control device are slidably mounted on
In the running track 8, the output end of the translation control device is connect with the rotating control assembly, the fixing clip 20
It is fixed on the output end of the rotating control assembly.
Translation control device includes the shell 10 being slidably mounted in the running track 8, is fixed in the shell 10
The first motor 11 of side one end, the screw rod 18 on 11 central axis of first motor, for fixing the rotating control assembly
Fixed device 15,18 outer surface of screw rod are equipped with screw thread, and the fixed device 15 is equipped with an inner surface and the screw rod 18
The nested mouth 17 being threadedly engaged.
10 inside of shell is also fixed with more than two sliding sleeves 12, and being cased on each sliding sleeve 12 can be along the sliding sleeve
The sliding block 14 of 12 direction side-to-side movements, the sliding block 14 are each attached on the fixed device 15；The rotating control assembly packet
Include the second motor 13, harmonic wave speed reducing machine 16, the first rotary shaft 25 and the second rotary shaft 19, second motor 13 and the harmonic wave
Speed reducer 16 is fixed on the fixed device 15, and first rotary shaft 25 is fixed on 13 central axis of the second motor,
Described second rotary shaft, 19 one end is fixed in first rotary shaft 25, and the fixing clip 20 is fixed on second rotation
19 other end of axis.Second motor 13 uses servo motor, realizes the overturning of fixing clip by accurately controlling its rotation, thus
Realize the cleaning to bad front and back sides.
As a preferred embodiment, screw rod 18 can be divided into two parts, it is located at the two sides of conveying device 7
In running track 8, and it is respectively provided with the fixation device 15 of the fixed rotating control assembly, 18 outer surface of screw rod is set
There is screw thread, two-part external screw thread is contrary, is respectively equipped with an inner surface and the screw rod on two fixed devices 15
The 18 nested mouths 17 being threadedly engaged.First motor 11 uses servo motor, is driven by screw rod 18, controls the rotation of the left and right sides
Control device is moved to centre with identical speed, clamps bad, and the left and right sides uses same screw rod, and two fixing clips can be improved
Between cooperate when accuracy and stability.
Being illustrated in figure 5 the present invention, preferably fixing clip structure chart one, fixing clip 20 include towards the conveying device 7
The clamping opening 21 in direction, the clamping opening 21 include fixed section 22 for fixing bad edge and for dragging described bad
Changeover portion 23, the changeover portion 23 are to the inclined slope of the clamping opening fixed section 22；Buffer layer 24 is equipped on the inside of clamping opening 21.
23 bottom of fixing clip changeover portion and the conveying device 7 are in the same plane.
Being illustrated in figure 6 the present invention, preferably fixing clip structure chart two, fixing clip 20 include towards the conveying device 7
The clamping opening 21 in direction, the clamping opening 21 include fixed section 22 for fixing bad edge and for dragging described bad
Changeover portion 23, changeover portion 23 are curve, and the angle of tangent line and 20 bottom surface of fixing clip is from 20 tip of fixing clip to clamping opening 21
Direction gradually increases, and maximum angle is less than 80 DEG C.It can reduce by bad edge receiving during reaching fixed section in this way
Horizontal pressure force effect, reduces the influence to bad tablet quality.
It is illustrated in figure 7 the present invention preferably the first solution circulating device structure chart, 2 bottom of infuser device is equipped with the
One liquid outlet 26, top are equipped with the first gas outlet 27, and side is equipped with the first inlet 28, and the is equipped at first liquid outlet 26
One solution circulating device 29, the outlet of the first solution circulating device 29 are connected with first inlet 28；Described first is molten
Liquid circulating device 29 includes from front to back successively including the first sedimentation basin 35, the second sedimentation basin 36, third sedimentation basin 37 and first
Mixing arrangement 38, first liquid outlet 26 are connected with 35 entrance of the first sedimentation basin, are equipped with above first sedimentation basin
Third inlet 39；Hook-shaped stirring dress is respectively provided in first sedimentation basin 35, the second sedimentation basin 36 and third sedimentation basin 37
It sets, first sedimentation basin 35, the second sedimentation basin 36 and 37 exit of third sedimentation basin are equipped with for filtering flocky precipitate
Filter screen 40.The filter device for filtering solid sediment is equipped at first liquid outlet 26 and the second liquid outlet 31,
The filter device includes being combined by three layers of non-woven fabrics using needle thorn, is followed successively by melt spraying non-woven fabrics, needle thorn nothing from front to back
Woven fabric, melt spraying non-woven fabrics.
Filter screen 40 includes three layers, machine-woven fabric layer, eedle-punched non-wovens layer and machine-woven fabric layer is followed successively by from front to back, wherein the needle
The porosity of thorn cloth layer is greater than 90%, is connected between third settler 37 and first mixing arrangement 38 by pipeline, institute
It states the outlet of the first mixing arrangement 38 to be connected with first inlet 28, is equipped with the first fluid infusion in first mixing arrangement 38
41 and for mixed solution the first agitating device.Filtering on first sedimentation basin, the second sedimentation basin and third sedimentation basin
The aperture of net gradually decreases, and the diameter that floccule is filtered in three sedimentation basins can in this way gradually decreased, and passes through the first precipitating
The filtering in pond, realizes the filtering of bulk floccule containing aluminium, and the second sedimentation tank filter falls remaining a small amount of bulk floccule containing aluminium and greatly
The fritter floccule containing aluminium of amount, last third sedimentation tank filter fall the aluminium-containing precipitated object of remaining fritter.
Further, since this body structure of floccule has certain filter effect, it can be further after being attached on filter screen
The strainability for improving filter screen, especially to the strainability of fritter floccule containing aluminium.
It is illustrated in figure 8 the present invention preferably the second solution circulating device structure chart, front flusher 3 and the reverse side
Tank 30 is equipped with below flusher 4,30 side of tank is equipped with the second liquid outlet 31, and top is equipped with the second gas outlet
32, side is equipped with the second inlet 33, is equipped with the second solution circulating device 34, second solution at second liquid outlet 31
The outlet of circulator 34 is connected with second inlet 33.
Second solution circulating device 42 includes the 4th sedimentation basin 43, filtering centrifuge 44 and the second mixing arrangement 45, described
4th sedimentation basin, 43 entrance is connected with second liquid outlet 31, and outlet is connected with 44 entrance of filtering centrifuge, the mistake
The outlet of filter centrifuge 44 is connected with 45 entrance of the second mixing arrangement, second mixing arrangement 45 export and described second into
Liquid mouth 33 is connected, and is equipped with the second fluid infusion 46 and the second agitating device for mixed solution in second mixing arrangement 45.
4th sedimentation basin 43 is equipped with the 4th inlet 47.
The roller diameter of filtering centrifuge 44 is 1000mm, and the revolving speed of the rotary drum is 2200r/mm, and separation factor is
2300, inlet amount is 30~100m2/h.
The sparge pipe of one or more, every water spray are equipped in front flusher 3 and the reverse side flusher 4
Above water jet there are three being uniformly distributed on pipe, the water spraying direction of the water jet and the angle of horizontal direction are 30~70 °.
7 two sides of conveying device be equipped with the conveying device 7 running track 8 disposed in parallel, the running track 8 is along length
Positioning device 9 is evenly distributed on degree direction, the positioning device 9 includes fixing clip 20, for controlling the fixing clip
The rotating control assembly of 20 rotary motions, the translation control device moved forward and backward for controlling the rotating control assembly, it is described
Translation control device is slidably mounted in the running track 8, and the output end of the translation control device and the rotation control
Device connection, the fixing clip 20 are fixed on the output end of the rotating control assembly.
The present embodiment also provides a kind of production method using above-mentioned bad cleaning product line of silk-screen printing, including such as
Lower step:
Step 1: in the conveying device 7 that silk-screen printing bad is placed in feeding device 1；
Step 2: 7 two sides of conveying device are located at the control of the positioning device 9 in running track 8 translation control device for silk screen
Bad is printed to be clipped in the middle；
Step 3: the positioning device 9 drives silk-screen printing bad to enter infuser device 2, in the cleaning of infuser device 2
2~3min is impregnated in liquid, carries out positive flushing by front flusher 3, the angle for rinsing water (flow) direction and horizontal direction is small
In 60 °, the speed of water flow is 0.3~0.6m/s, and water temperature is 30~60 DEG C；
Step 4: the positioning device 9 controls rotating control assembly and drives silk-screen printing bad to overturn 180 °, using
Reverse side flusher 4 carries out reverse side flushing, rinses the angle of water (flow) direction and horizontal direction less than 60 °, the speed of water flow is 0.3
~0.6m/s, water temperature are 30~60 DEG C；
Step 5: silk-screen printing bad after drying unit 5 is dried, the positioning device 9 control translation control
Device processed is moved to two sides, is made bad disengaging fixing clip 20 of silk-screen printing, is fallen in the conveying device in the discharging device 6
On 7, cleaning is completed.
Cleaning solution is NaOH solution in infuser device 2, and solution concentration 27%, temperature control is at 22 DEG C；The front
Flushing liquor in flusher 3 and reverse side flusher 4 is the mixed solution of nitric acid and sulfuric acid, and the concentration of solution is 5mol/
The proportion of L, the nitric acid and the sulfuric acid is 3:1.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and
Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of protection of the claims.
Claims (8)
1. a kind of bad water clean cycle system of silk-screen printing, which is characterized in that rinse dress including infuser device (2), front
(3) and reverse side flusher (4) are set, infuser device (2) bottom is equipped with the first liquid outlet (26), and top is equipped with the first outlet
Mouth (27), side are equipped with the first inlet (28), are equipped with the first solution circulating device (29) at first liquid outlet (26), institute
State the first solution circulating device (29) outlet be connected with first inlet (28), the front flusher (3) with it is described
Tank (30) are equipped with below reverse side flusher (4), tank (30) side is equipped with the second liquid outlet (31), and top is set
Have the second gas outlet (32), side is equipped with the second inlet (33), and the second solution is equipped at second liquid outlet (31) and is recycled
Device (34), the second solution circulating device (34) outlet are connected with second inlet (33), first liquid outlet
(26) and at the second liquid outlet (31) it is equipped with the filter device for filtering solid sediment, the filter device includes by three layers
Non-woven fabrics is combined using needle thorn, is followed successively by melt spraying non-woven fabrics, needle punched non-woven fabrics, melt spraying non-woven fabrics from front to back, and described the
Two solution circulating devices (42) include the 4th sedimentation basin (43), filtering centrifuge (44) and the second mixing arrangement (45), and described the
Four sedimentation basins (43) entrance is connected with second liquid outlet (31), and outlet is connected with the filtering centrifuge (44) entrance, institute
Filtering centrifuge (44) outlet is stated to be connected with the second mixing arrangement (45) entrance, second mixing arrangement (45) export and
Second inlet (33) is connected, and the second fluid infusion (46) are equipped in second mixing arrangement (45) and are used for mixed solution
The second agitating device；The water spray of one or more is equipped in the front flusher (3) and the reverse side flusher (4)
Pipe, is uniformly distributed that there are three above water jet, the water spraying directions and horizontal direction of the water jet on every sparge pipe
Angle be 30 ~ 70 °.
2. a kind of bad water clean cycle system of silk-screen printing as described in claim 1, which is characterized in that described first is molten
Liquid circulating device (29) includes from front to back successively including the first sedimentation basin (35), the second sedimentation basin (36), third sedimentation basin
(37) it is connected with the first mixing arrangement (38), first liquid outlet (26) with the first sedimentation basin (35) entrance, described
Third inlet (39) are equipped with above one sedimentation basin；First sedimentation basin (35), the second sedimentation basin (36) and third sedimentation basin
(37) hook-shaped agitating device, first sedimentation basin (35), the second sedimentation basin (36) and third sedimentation basin (37) are respectively provided in
Exit is equipped with the filter screen (40) for filtering flocky precipitate.
3. a kind of bad water clean cycle system of silk-screen printing as claimed in claim 2, which is characterized in that the filter screen
(40) include three layers, machine-woven fabric layer, eedle-punched non-wovens layer and machine-woven fabric layer are followed successively by from front to back, wherein the hole of the eedle-punched non-wovens layer
Rate is greater than 90%.
4. a kind of bad water clean cycle system of silk-screen printing as claimed in claim 2, which is characterized in that the third is heavy
Connect between shallow lake pond (37) and first mixing arrangement (38) by pipeline, first mixing arrangement (38) outlet with it is described
First inlet (28) is connected, equipped with the first fluid infusion (41) and for the of mixed solution in first mixing arrangement (38)
One agitating device.
5. a kind of bad water clean cycle system of silk-screen printing as described in claim 1, which is characterized in that the 4th sedimentation basin
(43) it is equipped with the 4th inlet (47).
6. a kind of production line with the bad water clean cycle system of silk-screen printing as described in claim any one of 1-5,
It is characterized in that, from front to back successively includes feeding device (1), water clean cycle system, drying unit (5) and discharging device (6),
It is passed through between the feeding device (1), water clean cycle system, drying unit (5) and discharging device (6) using conveying device (7)
Wear connection.
7. production line as claimed in claim 6, which is characterized in that conveying device (7) two sides are equipped with to be filled with the conveying
(7) running track disposed in parallel (8) is set, the running track (8) is evenly distributed with positioning device (9) on along its length,
The positioning device (9) includes fixing clip (20), the rotation control dress for controlling the fixing clip (20) rotary motion
The translation control device set, moved forward and backward for controlling the rotating control assembly, the translation control device are slidably mounted on
On the running track (8), the output end of the translation control device is connect with the rotating control assembly, the fixing clip
(20) it is fixed on the output end of the rotating control assembly.
8. production line as claimed in claim 7, which is characterized in that the translation control device includes being slidably mounted on the fortune
Shell (10) on row track (8), the first motor (11) for being fixed on the shell (10) inner opposite end, in first motor
(11) screw rod on central axis (18), the fixation device (15) for fixing the rotating control assembly, the screw rod (18) is outside
Surface is equipped with screw thread, and the fixed device (15) is equipped with the nested mouth that an inner surface is threadedly engaged with the screw rod (18)
(17)；It is also fixed with more than two sliding sleeves (12) on the inside of the shell (10), being cased on each sliding sleeve (12) can edge
The sliding block (14) of sliding sleeve (12) the direction side-to-side movement, the sliding block (14) are each attached on the fixed device (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510953184.8A CN105428219B (en) | 2015-12-17 | 2015-12-17 | A kind of bad water clean cycle system of silk-screen printing and its production line |
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| CN201510953184.8A CN105428219B (en) | 2015-12-17 | 2015-12-17 | A kind of bad water clean cycle system of silk-screen printing and its production line |
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| CN105428219A CN105428219A (en) | 2016-03-23 |
| CN105428219B true CN105428219B (en) | 2019-10-11 |
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| CN110153397B (en) * | 2019-07-01 | 2021-05-11 | 深圳市周大福珠宝制造有限公司 | Core removing device and method |
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| CN102437234B (en) * | 2011-10-31 | 2013-09-25 | 浙江宝利特新能源股份有限公司 | Method for processing defective products produced by reworking incapability of printed solar cell plates |
| CN202741360U (en) * | 2012-09-07 | 2013-02-20 | 宁波尤利卡太阳能科技发展有限公司 | Automatic washer used for cleaning poor screen-printed substrate |
| CN202893737U (en) * | 2012-11-27 | 2013-04-24 | 宁波舜韵光电科技有限公司 | Ultrasonic water washing system used for automatically cleaning drum base of OPC (Organic Photoconductor) drum |
| CN203763993U (en) * | 2014-03-14 | 2014-08-13 | 常州时创能源科技有限公司 | Automatic chromium mud filtering device |
| CN204294547U (en) * | 2014-12-01 | 2015-04-29 | 昆山康斯特精密机械有限公司 | Cup formula bearing cleaning machine |
| CN105155650A (en) * | 2015-08-07 | 2015-12-16 | 中国一冶集团有限公司 | Concrete pump pipe cleaning water recycling system |
| CN205355009U (en) * | 2015-12-17 | 2016-06-29 | 欧贝黎新能源科技股份有限公司 | Bad piece water of screen printing washs circulation system and production line thereof |
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Effective date of registration: 20190910 Address after: 364300 Shiqiaoxia 24, Nantong Village, Chengxiang Town, Wuping County, Longyan City, Fujian Province Applicant after: WUPING COUNTY WANGFA E-COMMERCE CO.,LTD. Address before: 226602 No. 188 west the Yellow Sea Road, Haian County, Nantong, Jiangsu Applicant before: EOPLLY NEW ENERGY TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230726 Address after: 25 Huajie Road, Jiulongpo District, Chongqing 400050 Patentee after: CHONGQING PANLONG PRINTING Co.,Ltd. Address before: No.24, shiqiaoxia, Nantong village, Chengxiang Town, Wuping County, Longyan City, Fujian Province, 364300 Patentee before: WUPING COUNTY WANGFA E-COMMERCE CO.,LTD. |