CN102941180B - Outer filter chimney filter horizontal rotary leaching film device and system - Google Patents
Outer filter chimney filter horizontal rotary leaching film device and system Download PDFInfo
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- CN102941180B CN102941180B CN201210505605.7A CN201210505605A CN102941180B CN 102941180 B CN102941180 B CN 102941180B CN 201210505605 A CN201210505605 A CN 201210505605A CN 102941180 B CN102941180 B CN 102941180B
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Abstract
The invention discloses a kind of outer filter chimney filter horizontal rotary soaking film uniformity higher and soak film device and system.This outer filter tube horizontal-type rotary film infusion device comprises film liquid bath, also comprise simultaneously by chimney filter sleeping put state under immerse film liquid bath at least partly film liquid liquid level under and drive the support rotary mechanism that this chimney filter rotates in a circumferential direction; During leaching film, the periphery wall described chimney filter needing carry out to soak film process immerses in the same degree of depth in film liquid liquid level continuously along with the rotation of chimney filter, thus makes described periphery wall covers skim liquid.The present invention propose by chimney filter sleeping put state under immerse film liquid bath at least in part film liquid liquid level under and drive this chimney filter to rotate in a circumferential direction, and make the periphery wall described chimney filter needing carry out soaking film process immerse in the same degree of depth in film liquid liquid level continuously along with the rotation of chimney filter, improve the leaching film uniformity of chimney filter periphery wall thus.
Description
Technical field
The present invention relates to a kind of equipment of overlay film on chimney filter outside.
Background technology
Anisotropic membrane is the film filtering element that a class is commonly used, and it mainly comprises outer filter filter tube type anisotropic membrane and interior filter filter tube type anisotropic membrane.Outer filter filter tube type anisotropic membrane requires to arrange rete on the periphery wall of chimney filter, and during filtration, medium flows to the passage of chimney filter from the rete of chimney filter periphery wall; Interior filter filter tube type anisotropic membrane requires to arrange rete on the internal perisporium of chimney filter, and during filtration, medium flows to chimney filter outside from the rete of chimney filter internal perisporium.At present, no matter outer filter filter tube type anisotropic membrane or in filter filter tube type anisotropic membrane, arranging of its rete completes soaking on film machine usually.
Existing leaching film machine have employed darker film liquid bath, and during leaching film, chimney filter all immerses under the film liquid liquid level of film liquid bath with the state of placing vertically; Require during outer filter chimney filter leaching film at chimney filter two ends dress rubber stopper, in case the internal perisporium of chimney filter contacts with film liquid; Bag thin film on the periphery wall of chimney filter is required, in case the periphery wall of chimney filter contacts with film liquid during interior filter chimney filter leaching film.Because film liquid is in being suspended shape, particulate wherein easily precipitates downwards, and therefore, the film liquid concentration of film liquid bath bottom is apparently higher than the film liquid concentration on film liquid bath top.In this case, in order to avoid chimney filter, to soak film up and down uneven, and chimney filter can be salvaged and turn around to be reentered into film liquid bath again by operating personnel usually from film liquid bath, just can guarantee to soak the uniformity of film through repeatedly operating like this repeatedly.
Summary of the invention
The present invention aim to provide and a kind ofly soak the higher outer filter chimney filter horizontal rotary leaching film device of film uniformity.
Outer filter tube horizontal-type rotary film infusion device of the present invention comprises film liquid bath, also comprise simultaneously by chimney filter sleeping put state under immerse film liquid bath at least partly film liquid liquid level under and drive the support rotary mechanism that this chimney filter rotates in a circumferential direction; During leaching film, the periphery wall described chimney filter needing carry out to soak film process immerses in the same degree of depth in film liquid liquid level continuously along with the rotation of chimney filter, thus makes described periphery wall covers skim liquid.Before obtaining technique scheme, inventor notices, in film liquid bath, the inhomogeneities major embodiment of film liquid concentration is that film liquid concentration changes in gradient along film liquid bath depth direction, and in the same degree of depth, film liquid concentration is relatively.Based on such situation, the present invention propose by chimney filter sleeping put state under immerse film liquid bath at least in part film liquid liquid level under and drive this chimney filter to rotate in a circumferential direction, and make the periphery wall described chimney filter needing carry out soaking film process immerse in the same degree of depth in film liquid liquid level continuously along with the rotation of chimney filter, improve the leaching film uniformity of chimney filter periphery wall thus.
For ease of operation, horizontal outer filter chimney filter leaching film device preferably also comprises the arrangement for adjusting height for regulating described film liquid liquid level and chimney filter relative altitude, and this arrangement for adjusting height at least can switch under chimney filter does not immerse film liquid liquid level completely and chimney filter part immerses film liquid liquid level two kinds of patterns.In addition, based on arrangement for adjusting height, at least there are above-mentioned two kinds of mode of operations, can work as after running certain hour arrangement for adjusting height immerses the pattern of film liquid liquid level in chimney filter part under, run under switching to the pattern not immersing film liquid liquid level completely at chimney filter immediately, keep chimney filter to continue to rotate in a circumferential direction with the sleeping state of putting by support rotary mechanism simultaneously, like this, residual film liquid when film liquid liquid level just pulled out by chimney filter on chimney filter just can be prevented under gravity to the phenomenon of the congregate of chimney filter, thus be conducive to improving the dry rear uniformity of thicknesses of layers and the fineness of film surface.Described arrangement for adjusting height both can adopt the elevating mechanism that support rotary mechanism entirety is moved up and down, also can adopt and make the film liquid of film liquid liquid level oscilaltion for heat-extraction system, or adopt the elevating mechanism that support rotary mechanism entirety is moved up and down and the film liquid making the oscilaltion of film liquid liquid level to supply heat-extraction system simultaneously.It should be pointed out that no matter be that elevating mechanism or film liquid supply heat-extraction system, all belong to those skilled in the art and can understand and the technological means implemented.
As a kind of concrete structure of support rotary mechanism, described support rotary mechanism comprises by front chuck corresponding with chimney filter front and back end respectively and rear chuck, and the axial clamping device of chimney filter that the pre-tightening apparatus for controlling front chuck and rear chuck relative distance is formed; The axial clamping device of this chimney filter rotates in a circumferential direction along chimney filter under the drive of rotating driving device.Wherein, described pre-tightening apparatus comprises the pull bar be positioned on chimney filter central axis, and the two ends of this pull bar are each passed through front chuck and rear chuck and coupling nut; Described rotating driving device drives the axial clamping device of chimney filter to rotate along pull bar central axis by this pull bar.Except above-mentioned pull bar, pre-tightening apparatus also can adopt other structures, such as, with guide spring.Rotating driving device is those skilled in the art's easy understand and the technological means implemented equally, and it both can be driven by power-equipment, also can by manual drive.
As the another kind of concrete structure of support rotary mechanism, described support rotary mechanism comprises the chimney filter supporting carrier roller device be made up of the active carrying roller of spaced apart certain distance and driven carrying roller, and the bottom of chimney filter is immersed under film liquid liquid level between this active carrying roller and driven carrying roller.Chimney filter need be arranged between front chuck and rear chuck by front a kind of support rotary mechanism, and then a kind of support rotary mechanism is only required and is directly placed on chimney filter supporting carrier roller device by pipe filter, and therefore, the operation of rear a kind of support rotary mechanism is relatively more easy.
State on the invention in the use procedure of outer filter chimney filter horizontal rotary leaching film device, the film liquid in film liquid bath still can precipitate, and this will cause successively carrying out soaking between the rete on the chimney filter of film process there are differences.In order to improve such problem, be provided with film alloy melt stirring device film liquid being circulated up and down and then forms film liquid stream in described film liquid bath, described film liquid stream contacts along the circumference of chimney filter with chimney filter haply.Because film alloy melt stirring device can make film liquid circulate up and down, thus effectively overcome the impact of film liquid precipitate; Meanwhile, because film liquid stream contacts along the circumference of chimney filter with chimney filter haply, therefore can avoid producing sharp impacts between film liquid stream and chimney filter, whole leaching membrane process can carry out under relatively mild condition, thus improves leaching film uniformity further.Wherein, the direction of rotation of chimney filter is preferably contrary with the loop direction of film liquid stream, and like this, the film liquid contacted with chimney filter fails to be convened for lack of a quorum more consistent with the chimney filter direction of motion, thus further alleviates the collision between film liquid stream and chimney filter.
Further, described film alloy melt stirring device is positioned at the one-sided trench bottom of film liquid bath.Be designed with the shuttling movement being beneficial to film liquid stream like this.
In addition, this film alloy melt stirring device has certain axial length or is furnished with at least two along the axially spaced-apart of chimney filter, thus produces banded film liquid stream.The chimney filter in immersion film liquid liquid level can be made like this to obtain more consistent leaching film effect.
Chimney filter horizontal rotary of the present invention leaching film device does not need repeatedly to be salvaged to get up from film liquid bath by chimney filter to turn around to be reentered into film liquid bath again, greatly reduce the labour intensity of operator, and effective guarantee product quality.
Below in conjunction with the drawings and specific embodiments, the present invention is described further.The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the outer filter chimney filter horizontal rotary leaching film device of the embodiment of the present invention 1.
Fig. 2 be in Fig. 1 A-A to sectional view.
Fig. 3 is the structural representation of the outer filter chimney filter horizontal rotary leaching film device of the embodiment of the present invention 2.
Fig. 4 is the structural representation of the present invention's chimney filter horizontal rotary leaching outward membranous system.
Detailed description of the invention
As Fig. 1, shown in 2, film liquid bath 1 is provided with for be put under film liquid liquid level 3 that state lower part immerses film liquid bath 1 sleeping and drive the support rotary mechanism that this chimney filter 2 rotates in a circumferential direction by chimney filter 2, this support rotary mechanism comprise corresponding with chimney filter 2 front and back end respectively before chuck 6a, rear chuck 6b and the pull bar 7 be positioned on chimney filter 2 central axis, described front chuck 6a, rear chuck 6b is the pressing plate of strip, its length is consistent with chimney filter 2 external diameter, width is much smaller than the external diameter of chimney filter 2, the two ends of pull bar 7 to be each passed through after the centre bore of front chuck 6a and rear chuck 6b coupling nut 8 again, one end of pull bar 7 is also connected with rotating driving device 9, this rotating driving device 9 is made up of motor 901 and transmission mechanism 902, the torque that this motor 901 exports is delivered on pull bar 7 by transmission mechanism 902, thus drive front chuck 6a by this pull bar 7, rear chuck 6b and the chimney filter 2 be clamped between front chuck 6a and rear chuck 6b rotate with the central axis of pull bar 7, above-mentioned support rotary mechanism entirety is positioned on an elevating mechanism 4, this elevating mechanism 4 can drive support rotary mechanism and chimney filter 2 entirety be clamped in support rotary mechanism moves up and down, thus makes chimney filter 2 not immerse film liquid liquid level 3 or part immersion film liquid liquid level 3 completely as required, film alloy melt stirring device 12 is provided with at the one-sided trench bottom of film liquid bath 1, film alloy melt stirring device 12 both can adopt mechanical agitation mode, also jet agitating mode can be adopted, this film alloy melt stirring device 12 or there is certain axial length, or be furnished with multi-section along the axially spaced-apart of chimney filter 2, to produce banded film liquid stream 11, film liquid stream 11 is upper and lower shuttling movement in film liquid bath 1, and film liquid stream 11 contacts along the circumference of chimney filter 2 with chimney filter 2 haply, in Fig. 1, the thick arrow of black illustrates the direction of rotation of chimney filter 2, therefrom can find out that chimney filter 2 is rotated counterclockwise, and film liquid stream 11 is right-hand circular motions in Fig. 1, illustrate that the loop direction of the direction of rotation of chimney filter 2 and film liquid stream 11 is just the opposite.
Use Fig. 1, when outer filter chimney filter horizontal rotary shown in 2 soaks film device, elevating mechanism 4 first moves to a high position, then pull bar 7 is plugged with the chimney filter 2(of rubber stopper 13a and rubber stopper 13b due to front chuck 6a through two ends by operator respectively, rear chuck 6b is the pressing plate of strip, the two-port of chimney filter 2 can not be sealed, therefore rubber stopper 13a and rubber stopper 13b is filled in respectively in the two-port of chimney filter 2, the internal perisporium 202 of chimney filter 2 is made to cover film liquid after film liquid enters the central passage of chimney filter 2 when avoiding soaking film), and tighten the nut 8 at pull bar 7 two ends, thus make chimney filter 2 level be clamped between front chuck 6a and rear chuck 6b, after this, elevating mechanism 4 drives chimney filter 2 level to decline, time under the film liquid liquid level 3 that chimney filter 2 part immerses film liquid bath 1, elevating mechanism 4 stop motion, then chimney filter 2 rotates in a circumferential direction a period of time under the drive of rotating driving device 9, meanwhile, the film liquid stream 11 of band shape that film alloy melt stirring device 12 produces is with the direction contrary with the direction of rotation of chimney filter 2 and gently contact along the circumference of chimney filter 2 with chimney filter 2 haply, thus covers skim liquid on the periphery wall 201 of chimney filter 2, after this, elevating mechanism 4 again starts and drives chimney filter 2 to rise, after chimney filter 2 rises completely from film liquid liquid level 3, continuing through rotating driving device 9 drives chimney filter 2 to rotate a period of time, prevent residual film liquid when film liquid liquid level 3 just pulled out by chimney filter 2 on chimney filter 2 under gravity to the phenomenon of the congregate of chimney filter 2, to make thicknesses of layers on periphery wall 201 evenly and smooth surface, the chimney filter 2 finally completed by leaching film takes off from support rotary mechanism and carries out follow-up sintering operation, finally prepares outer filter filter tube type anisotropic membrane filter element.
In said process, under the film liquid liquid level 3 that also whole chimney filter 2 all can be immersed in film liquid bath 1 during leaching film.But, because the depth direction of the film liquid concentration in film liquid bath 1 along film liquid bath 1 changes in gradient, therefore, if the film liquid liquid level 3 that chimney filter 2 immerses film liquid bath 1 is darker, the film liquid of the uneven concentration that part periphery wall 201 being positioned at film liquid liquid level less than 3 contacts is more, may have a negative impact to leaching film uniformity.Therefore, preferred embodiment makes chimney filter 2 only partly immerse under the film liquid liquid level 3 of film liquid bath 1.Certainly, the immersion depth of chimney filter 2 is also not the smaller the better, because immersion depth is too small may affect leaching film effect.Suggestion immersion depth be chimney filter diameter 8% to 20% between be advisable.
The difference that outer filter chimney filter horizontal rotary leaching film device shown in Fig. 3 and the outer filter chimney filter horizontal rotary shown in Fig. 1,2 soak film device is only the structure of support rotary mechanism and regulates film liquid liquid level 3 different with the structure of the arrangement for adjusting height of chimney filter 2 relative altitude.Support rotary mechanism shown in Fig. 3 comprises the chimney filter supporting carrier roller device be made up of the active carrying roller 10a of spaced apart certain distance and driven carrying roller 10b, and the bottom of chimney filter 2 is from immersing between this active carrying roller 10a and driven carrying roller 10b under described film liquid liquid level 3.Arrangement for adjusting height shown in Fig. 3 comprises the film liquid of film liquid liquid level 3 oscilaltion made in film liquid bath 1 for heat-extraction system 5.Wherein, film liquid comprises film liquid box 503 for heat-extraction system 5, and be provided with two pipelines between the film liquid bath 1 that film liquid box 503 and outer filter chimney filter horizontal rotary soak film device, wherein a pipeline is provided with pump 501, and a pipeline is provided with valve 502.Those skilled in the art are readily appreciated that the working method of chimney filter supporting carrier roller device, and namely initiatively carrying roller 10a carries out rotating and then drive the chimney filter 2 between active carrying roller 10a and driven carrying roller 10b to rotate (direction of rotation that in as Fig. 3, black bold arrows show initiatively carrying roller 10a and chimney filter 2) under external drive.It is emphasized that, the advantage of chimney filter supporting carrier roller device is that operator only needs directly to be placed on by chimney filter 2 and initiatively locates without the need to carrying out other to chimney filter 2 again between carrying roller 10a and driven carrying roller 10b, thus eliminates the assembly work of installing the complexity of carrying out in embodiment 1 for chimney filter 2.And for film liquid for heat-extraction system 5, its working method is: when the film liquid liquid level 3 in film liquid bath 1 need be made to increase, guarantee that valve 502 is closed, start pump 501, at this moment, film liquid in film liquid box 503 is evacuated in film liquid bath 1 by pump 501, and the film liquid liquid level 3 therefore in film liquid bath 1 rises, and the film liquid liquid level 504 in film liquid box 503 declines; When the film liquid liquid level 3 in film liquid bath 1 need be made to decline; guarantee that pump 501 is shut down; Open valve 502; promote film liquid by the difference in height between the film liquid liquid level 3 in film liquid bath 1 and the film liquid liquid level 504 in film liquid box 503 to flow to film liquid box 503 voluntarily from film liquid bath 1; therefore the film liquid liquid level 3 in film liquid bath 1 declines, and the film liquid liquid level 504 in film liquid box 503 rises.Certainly, film liquid is not limited to said structure for heat-extraction system 5, as long as the film liquid in film liquid bath 1 can either be discharged to reduce the film liquid liquid level 3 in film liquid bath 1, again can by film liquid suction film liquid bath 1 with the equipment making the film liquid liquid level 3 in film liquid bath 1 raise, all belong to the scope that " film liquid for heat-extraction system " this term should be contained.Film liquid in the outer filter chimney filter horizontal rotary leaching film device of Fig. 3 facilitates the flowing of film liquid for heat-extraction system 5, thus is conducive to the dispersion of particulate in film liquid, therefore, it is possible to improve the uniformity of leaching film further.
When using the outer filter chimney filter horizontal rotary leaching film device shown in Fig. 3, first the film liquid liquid level 3 in film liquid bath 1 is dropped to low level, after film liquid enters the central passage of chimney filter 2 when the chimney filter 2(then two ends being plugged with respectively rubber stopper avoids soaking film, makes the internal perisporium 202 of chimney filter 2 cover film liquid) be placed on initiatively between carrying roller 10a and driven carrying roller 10b, after this, film liquid liquid level 3 in film liquid bath 1 is raised for heat-extraction system 5 by film liquid, make the bottom of chimney filter 2 from immersing between this active carrying roller 10a and driven carrying roller 10b under described film liquid liquid level 3 (immersion depth of suggestion chimney filter 2 be chimney filter diameter 8% to 20% between be advisable), then, chimney filter 2 is rotated in a circumferential direction a period of time under the drive of active carrying roller 10a, simultaneously, the film liquid stream 11 of band shape that film alloy melt stirring device 12 produces is with the direction contrary with the direction of rotation of chimney filter 2 and gently contact along the circumference of chimney filter 2 with chimney filter 2 haply, thus skim liquid is covered on the periphery wall 201 of chimney filter 2, after this, Open valve 502, film liquid liquid level 3 in film liquid bath 1 declines again, after chimney filter 2 rises completely from film liquid liquid level 3, continuing through initiatively carrying roller 10a drives chimney filter 2 to rotate a period of time, prevent residual film liquid when film liquid liquid level 3 just pulled out by chimney filter 2 on chimney filter 2 under gravity to the phenomenon of the congregate of chimney filter 2, to make thicknesses of layers on periphery wall 201 evenly and smooth surface, the chimney filter 2 finally completed by leaching film takes off from supporting carrier roller device and carries out follow-up sintering, finally prepares outer filter filter tube type anisotropic membrane filter element.
Figure 4 shows that one of the present invention chimney filter horizontal rotary leaching outward membranous system.First, this outer filter chimney filter horizontal rotary leaching membranous system comprises the outer filter chimney filter horizontal rotary leaching film device (except chimney filter horizontal rotary leaching membranous system beyond part) of two embodiments 2 in left and right; Secondly, be connected with between the film liquid baths 1 in these two film devices of filter chimney filter horizontal rotary leaching outward and the film liquid liquid level 3 in film liquid bath 1 declined and film liquid flow control apparatus 14 that film liquid liquid level 3 in another side film liquid bath 1 rises for being entered in another film liquid bath 1 by the film liquid in wherein any film liquid bath 1; In addition, described film liquid flow control apparatus 14 has first mode of operation and the second mode of operation that can mutually switch, described first mode of operation makes the chimney filter 2 that chimney filter 2 part on the left side immerses film liquid liquid level 3 and the right not immerse film liquid liquid level 3 completely, and described second mode of operation makes the chimney filter 2 that chimney filter 2 part on the right immerses film liquid liquid level 3 and the left side not immerse film liquid liquid level 3 completely.Wherein, film liquid flow control apparatus 14 is included in two pipelines arranged respectively between two film liquid baths 1, these two pipelines are respectively equipped with for by the pump 142 in the film liquid bath 1 on the right of the film liquid suction in the film liquid bath 1 on the left side, and for by the pump 141 in the film liquid bath 1 on the film liquid suction left side in the film liquid bath 1 on the right.Certainly, film liquid flow control apparatus 14 is not limited to said structure, as long as the film liquid in the film liquid bath 1 on the left side can either be entered in the film liquid bath 1 on the right as required, equipment in the film liquid bath 1 on the left side can be entered by film liquid in the film liquid bath 1 on just the right again, all belong to the scope that " film liquid flow control apparatus " this term should be contained.
For above-mentioned outer filter chimney filter horizontal rotary leaching membranous system, based on the mutual switching of the first mode of operation and the second mode of operation, when outer filter chimney filter horizontal rotary leaching film device when is on one side in leaching membrane operations, the outer filter chimney filter horizontal rotary leaching film device of another side just can carry out a series of subsequent operations such as the replacing of the idle running after soaking film (to prevent residual film liquid when film liquid liquid level 3 just pulled out by chimney filter 2 on chimney filter 2 under gravity to the phenomenon of the congregate of chimney filter 2) and chimney filter 2, save the stand-by period of operator, improve output efficiency.On the other hand can also make full use of film liquid, and move back and forth in two film liquid baths 1 due to film liquid, facilitate the dispersion of particulate in film liquid, improve the uniformity of leaching film further.
Although the outer filter chimney filter horizontal rotary leaching membranous system shown in Fig. 4 carries out designing based on the outer filter chimney filter horizontal rotary leaching film device of embodiment 2, but obviously, outer filter chimney filter horizontal rotary leaching membranous system of the present invention also can design based on the outer filter chimney filter horizontal rotary leaching film device of embodiment 1.
Claims (9)
1. outer filter chimney filter horizontal rotary leaching membranous system, it is characterized in that: this system comprises two, left and right filter chimney filter horizontal rotary leaching outward film device, described outer filter chimney filter horizontal rotary leaching film device comprises film liquid bath (1), also comprise by chimney filter (2) sleeping put state under immerse film liquid bath (1) at least partly film liquid liquid level (3) under and drive the support rotary mechanism that this chimney filter (2) rotates in a circumferential direction; During leaching film, the periphery wall (201) described chimney filter (2) needing carry out to soak film process immerses in the same degree of depth in film liquid liquid level (3) continuously along with the rotation of chimney filter (2), thus makes described periphery wall (201) covers skim liquid; Be connected with between film liquid baths (1) in described two film devices of filter chimney filter horizontal rotaries leaching outward and make film liquid liquid level (3) decline in film liquid bath (1) on one side and film liquid flow control apparatus (14) that film liquid liquid level (3) in another side film liquid bath (1) rises for being entered in another film liquid bath (1) by the film liquid wherein in any film liquid bath (1); Described film liquid flow control apparatus (14) has first mode of operation and the second mode of operation that can mutually switch, described first mode of operation makes the chimney filter on the left side (2) at least part of immersion film liquid liquid level (3) and the chimney filter on the right (2) does not immerse film liquid liquid level (3) completely, and described second mode of operation makes the chimney filter (2) at least part of immersion film liquid liquid level (3) on the right and the chimney filter on the left side (2) does not immerse film liquid liquid level (3) completely.
2. outer filter chimney filter horizontal rotary leaching membranous system as claimed in claim 1, it is characterized in that: outer filter chimney filter horizontal rotary leaching film device comprises the arrangement for adjusting height for regulating described film liquid liquid level (3) and chimney filter (2) relative altitude, and this arrangement for adjusting height at least can switch under chimney filter (2) does not immerse film liquid liquid level (3) completely and chimney filter (2) part immerses film liquid liquid level (3) two kinds of patterns.
3. outer filter chimney filter horizontal rotary leaching membranous system as claimed in claim 2, is characterized in that: described arrangement for adjusting height adopts the elevating mechanism (4) that described support rotary mechanism entirety is moved up and down and/or the film liquid making film liquid liquid level (3) oscilaltion in film liquid bath (1) for heat-extraction system (5).
4. as the outer filter chimney filter horizontal rotary leaching membranous system in claims 1 to 3 as described in any one claim, it is characterized in that: described support rotary mechanism comprises by front chuck (6a) corresponding with chimney filter (2) front and back end respectively and rear chuck (6b), and for controlling the axial clamping device of chimney filter that front chuck (6a) and the pre-tightening apparatus of rear chuck (6b) relative distance are formed; The axial clamping device of this chimney filter rotates in a circumferential direction along chimney filter (2) under the drive of rotating driving device (9).
5. outer filter chimney filter horizontal rotary leaching membranous system as claimed in claim 4, it is characterized in that: described pre-tightening apparatus comprises the pull bar (7) be positioned on chimney filter (2) central axis, the two ends of this pull bar (7) are each passed through front chuck (6a) and rear chuck (6b) and coupling nut (8); Described rotating driving device (9) drives the axial clamping device of chimney filter to rotate along pull bar (7) central axis by this pull bar (7).
6. as the outer filter chimney filter horizontal rotary leaching membranous system in claims 1 to 3 as described in any one claim, it is characterized in that: described support rotary mechanism comprises the chimney filter supporting carrier roller device be made up of the active carrying roller (10a) of spaced apart certain distance and driven carrying roller (10b), the bottom of chimney filter (2) is from immersing between this active carrying roller (10a) and driven carrying roller (10b) under described film liquid liquid level (3).
7. as the outer filter chimney filter horizontal rotary leaching membranous system in claims 1 to 3 as described in any one claim, it is characterized in that: be provided with the film alloy melt stirring device (12) film liquid being circulated up and down and then forms film liquid stream (11) in described film liquid bath (1), described film liquid stream (11) contacts along the circumference of chimney filter (2) with chimney filter (2) haply.
8. outer filter chimney filter horizontal rotary leaching membranous system as claimed in claim 7, is characterized in that: the direction of rotation of described chimney filter (2) is contrary with the loop direction of film liquid stream (11).
9. outer filter chimney filter horizontal rotary leaching membranous system as claimed in claim 8, is characterized in that: described film alloy melt stirring device (12) is positioned at the one-sided trench bottom of film liquid bath (1); And this film alloy melt stirring device (12) has certain axial length or is furnished with at least two along the axially spaced-apart of chimney filter (2), thus produce banded film liquid stream (11).
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| CN102941180A (en) | 2013-02-27 |
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