CN216039962U - MBR hollow membrane spinneret assembly convenient to dismouting is maintained - Google Patents
MBR hollow membrane spinneret assembly convenient to dismouting is maintained Download PDFInfo
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- CN216039962U CN216039962U CN202122022826.6U CN202122022826U CN216039962U CN 216039962 U CN216039962 U CN 216039962U CN 202122022826 U CN202122022826 U CN 202122022826U CN 216039962 U CN216039962 U CN 216039962U
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Abstract
The utility model discloses an MBR hollow membrane spinneret assembly convenient to disassemble, assemble and maintain, which comprises a feeding plate, a distribution plate, a fixing plate and spinnerets, wherein the feeding plate, the distribution plate and the fixing plate are stacked from top to bottom and detachably connected together through bolts, a plurality of mounting holes are uniformly distributed on the fixing plate along the length direction of the fixing plate, an independent spinneret is mounted in each mounting hole, the spinnerets are of an integrated structure, and each spinneret can be independently replaced. The spinning nozzles are of an integrated structure, simple in structure and convenient to disassemble and assemble, each spinning nozzle can be independently replaced and maintained, meanwhile, the distribution plate adopts a symmetrical flow channel design of one-to-two, two-to-four, four-to-eight and eight-to-sixteen, polyester raw materials are guaranteed to be uniformly distributed to each spinning nozzle, then flow to the annular outlet of the spinning nozzles from top to bottom in a mode of surrounding the liner tube and are uniformly coated on the outer surface of the liner tube, and the stability of product quality is improved.
Description
Technical Field
The utility model relates to the technical field of MBR hollow membrane production equipment, in particular to an MBR hollow membrane spinneret assembly convenient to disassemble, assemble and maintain.
Background
The conventional MBR hollow membrane spinning nozzle is mainly assembled by separating a needle-shaped plate from a spinneret plate, and has the problems of high assembly difficulty for assembly personnel due to complex structure and multiple assembly parts, high requirements for skills of the assembly personnel and inconvenience in use and maintenance in subsequent use. Meanwhile, because the flow channel of the conventional spinning nozzle is unreasonable in design, the pressure of the flow channel in the spinning nozzle has large deviation, the polyester raw material is unstable in distribution and cannot be accurately and evenly distributed into the flow channel of each spinning nozzle, and the quality of a hollow membrane in the MBR is unstable. In addition, in the coating process of the existing spinneret, a pressure-free triangular area 01 appears on the end surface of the bottom of the needle tube and the outer wall of the liner tube, as shown in fig. 1, the pressure-free triangular area 01 can directly influence the firmness of the combination of the coating layer formed by the polyester raw material and the liner tube and the uniformity of the finished product of the MBR hollow membrane, and the product performance of the finished product is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the MBR hollow membrane spinneret assembly convenient to disassemble, assemble and maintain, the number of parts of the spinneret assembly is reduced by designing the spinneret into an integrated structure, each spinneret can be independently replaced, the disassembly, the assembly and the maintenance are convenient, and the workload of the maintenance of the spinneret is greatly reduced; by designing the distribution plate into one-to-two, two-to-four, four-to-eight, eight-to-sixteen and 2n-1Is divided into 2nThe symmetrical flow channel design ensures that the polyester raw material is uniformly distributed into each spinning nozzle, flows to the annular outlet of the spinning nozzle from top to bottom in a mode of surrounding the liner tube and is uniformly coated on the outer wall of the liner tube, so that the stability of the product quality is improved; the inner edge of the annular outlet of the spinning nozzle is provided with the chamfer, so that the polyester raw material can be smoothly and uniformly coated on the outer wall of the liner tube after flowing out along the chamfer, the firmness of the combination of the polyester raw material and the liner tube is improved, and the performance of a hollow membrane product in the MBR is improved.
In order to achieve the purpose, the technical scheme provided by the utility model is as follows: an MBR hollow membrane spinneret assembly convenient for disassembly, assembly and maintenance comprises a feeding plate, a distributing plate, a fixing plate and spinnerets, wherein the feeding plate, the distributing plate and the fixing plate are arranged in a stacking manner from top to bottom and are detachably assembled together through bolts, a feeding flow channel is formed in the feeding plate, a distributing flow channel is formed in the distributing plate, the distributing flow channel is provided with a total feeding port and a plurality of discharge ports, the total feeding port is communicated with the feeding flow channel of the feeding plate, the fixing plate is uniformly provided with a plurality of mutually independent spinnerets along the length direction, the number of the spinnerets is consistent with the number of the discharge ports of the distributing flow channel and is communicated in a one-to-one correspondence manner, each spinneret is provided with a liner tube guide hole which sequentially penetrates through the distributing plate and the feeding plate and is used for a liner tube to pass through, and the liner tube which penetrates out of the liner tube guide hole is uniformly coated through the spinnerets, wherein, the spinneret is the integral type structure, and every spinneret all can replace alone.
Furthermore, the distribution flow channel in the distribution plate is a multi-stage distribution flow channel, a total feeding port of the multi-stage distribution flow channel is communicated with the feeding flow channel, and the multi-stage distribution flow channel adopts 1 to 2, 2 to 4, 4 to 8, … and 2n-1Is divided into 2nThe symmetrical flow distribution structure of (1), namely each stage of distribution flow channel is divided into two symmetrical next-stage flow channels, and an annular flow channel is correspondingly formed between every two symmetrical distribution flow channels positioned at the last stage, the annular flow channel is communicated with the two corresponding distribution flow channels, each annular flow channel surrounds the outer side of a liner tube guide hole, a plurality of material distribution holes extending to a spinning nozzle are formed at the bottom of the liner tube guide hole along the circumferential direction, and the material distribution holes are discharge holes corresponding to the spinning nozzle; the top surface of spinneret is formed with annular material receiving groove, annular material receiving groove encircles the outside at bushing pipe guiding hole, and the polyester raw materials in every annular runner flows to the annular material receiving groove that corresponds the spinneret through a plurality of branch material holes of its bottom in, annular material receiving groove's bottom is formed with a plurality of downwardly extending's material hole along circumference, and a plurality of material holes distribute around bushing pipe guiding hole, lie in a plurality of material hole's below and be formed with a downwardly extending's annular ejection of compact runner in the spinneret, a plurality of material flowsThe bottom in hole assembles and communicates on annular entry of annular ejection of compact runner, annular ejection of compact runner encircles in the outside of bushing pipe guiding hole, and the polyester raw materials that evenly extrudes through annular export of annular ejection of compact runner evenly coats the bushing pipe outer wall that passes through the bushing pipe guiding hole, finally forms the hollow membrane of MBR.
Furthermore, a radial flushing hole is formed at the bottom end of each material flowing hole in the spinneret, one end of each radial flushing hole penetrates through the outer wall of the spinneret, and the other end of each radial flushing hole is communicated with the annular inlet of the annular discharging flow channel.
Furthermore, two sealing ring groove positions are formed on the outer wall of the spinning nozzle and positioned at the upper side and the lower side of the radial flushing hole and are respectively used for installing sealing rings.
Furthermore, the inner edge of the annular outlet of the annular discharge channel is provided with a chamfer angle, so that the polyester raw material smoothly flows out along the chamfer angle, and then is uniformly coated on the outer wall of the liner tube.
Furthermore, the spinning nozzle is in threaded connection with the fixing plate.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. according to the utility model, the core precision part (namely the spinneret) of the spinneret assembly is designed into an integrated structure, namely, the needle plate and the spinneret plate of the spinneret are combined into an integrated non-detachable structure, so that the number of parts of the whole spinneret assembly is effectively reduced, the disassembly, assembly and maintenance are convenient, the workload of cleaning the spinneret is greatly reduced, the precision deviation of the core precision part caused by repeated assembly is avoided, and the risk of artificial damage is reduced.
2. The spinneret and the fixing plate are assembled by threads, the spinnerets are mutually independent, the precision of each spinneret is ensured, and meanwhile, when a certain spinneret is blocked or damaged in the using process, the spinneret is only required to be detached for maintenance or replacement, the whole group of spinnerets is not required to be maintained, and the whole group of spinnerets is not required to be scrapped, so that a universal and small-batch production mode can be formed for core precision parts, the cost is effectively saved, the manufacturing precision is improved, and the universal interchange of the same specification can be realized for each spinneret.
3. The outer wall of the spinning nozzle is provided with a plurality of radial washing holes communicated with the inner annular discharging flow channel and the material flowing holes, so that polyester raw materials in the spinning nozzle can be conveniently washed, and the spinning nozzle is not easy to block.
4. The distribution plate adopts one-to-two, two-to-four, four-to-eight, eight-to-sixteen and 2n-1Is divided into 2nThe design of the symmetrical flow channel ensures that the polyester raw material is uniformly distributed to each spinning nozzle, and then flows to the annular outlet of the spinning nozzle from top to bottom in a mode of surrounding the liner tube and is uniformly coated on the outer wall of the liner tube, so that the stability of the product quality is improved.
5. According to the utility model, the chamfer angle is arranged at the inner edge of the annular outlet of the annular discharge flow channel of the spinning nozzle, so that the polyester raw material can smoothly flow out along the chamfer angle and then is directly and uniformly coated on the outer wall of the liner tube, a pressure-free triangular area is avoided, the firmness of combination of the polyester raw material and the liner tube is improved, the finished product uniformity of the MBR hollow membrane is improved, and the product performance of the MBR hollow membrane is improved.
Drawings
FIG. 1 is a schematic view of a conventional spinneret and liner tube showing a pressure-free triangular space therebetween.
Fig. 2 is a schematic cross-sectional view of a front view of a spin pack assembly of the present invention.
FIG. 3 is a schematic cross-sectional side view of a spinneret assembly of the present invention.
FIG. 4 is a top view of the spinneret assembly of the present invention.
FIG. 5 is a schematic cross-sectional view of a front view of a feed plate according to the present invention.
FIG. 6 is a schematic cross-sectional side view of a feed plate of the present invention.
FIG. 7 is a schematic cross-sectional view of a top view of the distributor plate of the present invention.
FIG. 8 is a schematic partial cross-sectional view of a front view of the distributor plate of the present invention.
Fig. 9 is a schematic cross-sectional view of a front view of a fixation plate of the present invention.
Fig. 10 is a top view of a fixation plate of the present invention.
FIG. 11 is a schematic cross-sectional view of a front view of a spinneret of the present invention.
Fig. 12 is a partial enlarged view of a portion a in fig. 11.
Fig. 13 is a top view of a spinneret according to the present invention.
Detailed Description
The present invention is further illustrated with reference to the following specific examples, but the mode of use of the present invention is not limited thereto.
As shown in fig. 2 to 13, the MBR hollow membrane spinneret assembly convenient to disassemble, assemble and maintain in this embodiment includes a feeding plate 1, a distribution plate 2, a fixing plate 3 and a spinneret 4, wherein the feeding plate 1, the distribution plate 2 and the fixing plate 3 are stacked from top to bottom, and are positioned by two positioning pins 8 and then detachably assembled together by bolts 5; the feeding plate 1 is internally provided with a feeding flow channel 101, the distribution flow channel 201 is formed in the distribution plate 2, the distribution flow channel 201 is provided with a total feeding port and eight discharge ports, the total feeding port is communicated with the feeding flow channel 101 of the feeding plate 1, 8 mounting holes 301 are uniformly distributed on the fixing plate 3 along the length direction, a spinneret 4 is mounted in each mounting hole 301 through threads, every two spinnerets 4 are independent from each other, the spinnerets 4 are communicated with the discharge ports of the distribution flow channel 201 in a one-to-one correspondence manner, liner tube guide holes 6 which sequentially penetrate through the spinnerets 4, the distribution plate 2 and the feeding plate 1 are formed on each spinneret 4 and are used for liner tubes to pass through, and the liner tubes which penetrate through the liner tube guide holes 6 are uniformly coated through the spinnerets 4, wherein the spinnerets 4 are of an integrated structure and are convenient to disassemble and assemble, and disassemble, and each spinneret 4 can be independently replaced, therefore, when a certain spinneret is blocked or damaged in the using process, the spinneret is only required to be detached, maintained, cleaned or replaced, the whole set of spinnerets does not need to be maintained, and the whole set of spinnerets does not need to be scrapped.
Furthermore, the distribution flow channel 201 in the distribution plate 2 is a multi-stage distribution flow channel, the total feeding port of the multi-stage distribution flow channel is communicated with the feeding flow channel 101, the multi-stage distribution flow channel adopts a symmetrical flow dividing structure of 1 to 2, 2 to 4 and 4 to 8, namely, each stage of distribution flow passage is divided into two symmetrical next stage flow passages, and an annular flow passage 202 is correspondingly formed between each two symmetrical distribution flow passages at the last stage, the annular flow passage 202 communicates with two corresponding distribution flow passages, each annular flow passage 202 surrounds the outside of the liner guide hole 6, the bottom of the spinning nozzle is provided with 4 distributing holes 203 extending to the spinning nozzle 4 along the circumferential direction, the 4 distributing holes 203 are discharge holes corresponding to the spinning nozzle 4, the polyester raw materials can be fully and uniformly distributed to each spinning nozzle 4 through the symmetrical flow distribution structure of the multistage distribution flow channel, so that the flow balance of the polyester raw materials coated on each liner tube is ensured; an annular receiving groove 401 is formed on the top surface of the spinneret 4, the annular receiving groove 401 surrounds the outer side of the liner tube guide hole 6, the polyester raw material in each annular flow channel 202 flows into the annular receiving groove 401 corresponding to the spinneret 4 through 4 material distribution holes 203 at the bottom of the annular receiving groove, 4 downward extending flow holes 402 are formed at the bottom of the annular receiving groove 401 along the circumferential direction, the 4 flow holes 402 are distributed around the liner tube guide hole 6, a downward extending annular discharge flow channel 403 is formed below the 4 flow holes 402 in the spinneret 4, the bottom ends of the 4 flow holes 402 are converged and communicated on an annular inlet of the annular discharge flow channel 403, the annular discharge flow channel 403 surrounds the outer side of the liner tube guide hole 6, so that a needle tube structure for coating the liner tube is formed by the annular discharge flow channel 403 and the liner tube guide hole 6, and the polyester raw material is uniformly extruded through an annular outlet of the annular discharge flow channel 403 and then uniformly coats the outer wall of the liner tube penetrating the liner tube guide hole 6 And finally forming the MBR hollow membrane.
Furthermore, a radial flushing hole 404 is formed at the bottom end of each material flowing hole 402 in the spinneret 4, one end of each radial flushing hole 404 penetrates through the outer wall of the spinneret 4, and the other end of each radial flushing hole 404 is communicated with the annular inlet of the annular discharging flow channel 403, so that the polyester raw materials in the material flowing holes 402 and the annular discharging flow channels 403 can be conveniently cleaned through the radial flushing holes 404, and the spinneret 4 is prevented from being blocked; meanwhile, two sealing ring slots are formed in the outer wall of the spinneret 4 and located at the upper side and the lower side of the radial flushing hole 404 and used for installing sealing rings respectively, the sealing rings are preferably O-shaped plastic sealing rings 7 with certain elasticity and corrosion resistance, and a sealing area is formed by the two O-shaped plastic sealing rings 7 and the inner wall of the installation hole 301 to prevent the polyester raw material from leaking out through the radial flushing hole 404.
Further, set up chamfer 405 with the interior edge department of the annular export of annular ejection of compact runner 403, through the design of chamfer, ensure that the polyester raw materials can flow out the back direct coating smoothly along chamfer 405 on the bushing pipe outer wall, avoid appearing the condition of no pressure triangular space to improve the firmness that the polyester raw materials combines with the bushing pipe, improve the homogeneity of finished product MBR hollow membrane, improve product property ability.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that variations based on the shape and principle of the present invention should be covered within the scope of the present invention.
Claims (6)
1. The utility model provides a hollow membrane spinneret subassembly in MBR convenient to dismouting is maintained which characterized in that: comprises a feeding plate, a distributing plate, a fixing plate and a spinning nozzle, wherein the feeding plate, the distributing plate and the fixing plate are arranged in a stacking way from top to bottom, and detachably assembled together through bolts, a feeding runner is formed in the feeding plate, a distribution runner is formed in the distribution plate, the distribution runner is provided with a total feeding port and a plurality of discharge ports, and the total feeding port is communicated with the feeding flow channel of the feeding plate, a plurality of mutually independent spinning nozzles are uniformly distributed on the fixing plate along the length direction, the number of the spinning nozzles is consistent with that of the discharge holes of the distribution flow channels and is communicated with the discharge holes of the distribution flow channels in a one-to-one correspondence manner, each spinning nozzle is provided with a liner tube guide hole which sequentially penetrates through the spinning nozzles, the distribution plates and the feeding plate, the bushing pipe is used for allowing the bushing pipe to pass through, and the bushing pipe penetrating out of the guide hole of the bushing pipe is uniformly coated through the spinneret, wherein the spinneret is of an integrated structure, and each spinneret can be replaced independently.
2. The MBR hollow membrane spinneret assembly convenient to disassemble and assemble for maintenance according to claim 1, wherein: the distribution flow channel in the distribution plate is a multi-stage distribution flow channel, a total feeding port of the multi-stage distribution flow channel is communicated with the feeding flow channel, and the multi-stage distribution flow channel adopts a structure of 1 minute 2 minutes,2 to 4, 4 to 8, …, 2n-1Is divided into 2nThe symmetrical flow distribution structure of (1), namely each stage of distribution flow channel is divided into two symmetrical next-stage flow channels, and an annular flow channel is correspondingly formed between every two symmetrical distribution flow channels positioned at the last stage, the annular flow channel is communicated with the two corresponding distribution flow channels, each annular flow channel surrounds the outer side of a liner tube guide hole, a plurality of material distribution holes extending to a spinning nozzle are formed at the bottom of the liner tube guide hole along the circumferential direction, and the material distribution holes are discharge holes corresponding to the spinning nozzle; the top surface of the spinneret is provided with an annular receiving groove, the annular receiving groove surrounds the outer side of the guide hole of the liner tube, polyester raw materials in each annular flow channel flow into the annular receiving groove corresponding to the spinneret through a plurality of material distributing holes at the bottom of the annular receiving groove, a plurality of downward extending material flowing holes are formed at the bottom of the annular receiving groove along the circumferential direction, the plurality of material flowing holes are distributed around the guide hole of the liner tube, an annular discharging flow channel extending downward is formed below the plurality of material flowing holes in the spinneret, the bottom ends of the plurality of material flowing holes are converged and communicated on an annular inlet of the annular discharging flow channel, the annular discharging flow channel surrounds the outer side of the guide hole of the liner tube, and the outer wall of the liner tube penetrating through the guide hole of the liner tube is uniformly coated by the polyester raw materials uniformly extruded through an annular outlet of the annular discharging flow channel, so that a hollow membrane is finally formed.
3. The MBR hollow membrane spinneret assembly convenient to disassemble and assemble for maintenance according to claim 2, wherein: and a radial flushing hole is formed at the bottom end of each material flowing hole in the spinneret, one end of each radial flushing hole penetrates through the outer wall of the spinneret, and the other end of each radial flushing hole is communicated with the annular inlet of the annular discharging flow channel.
4. The MBR hollow membrane spinneret assembly convenient to disassemble and assemble for maintenance according to claim 3, wherein: and two sealing ring groove positions are formed on the outer wall of the spinning nozzle and positioned at the upper side and the lower side of the radial flushing hole and are respectively used for installing sealing rings.
5. The MBR hollow membrane spinneret assembly convenient to disassemble and assemble for maintenance according to claim 2, wherein: the inner edge of the annular outlet of the annular discharging flow channel is provided with a chamfer angle, so that the polyester raw material smoothly flows out along the chamfer angle, and then is uniformly coated on the outer wall of the liner tube.
6. The MBR hollow membrane spinneret assembly convenient to disassemble and assemble for maintenance according to claim 1, wherein: the spinning nozzle is in threaded connection with the fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122022826.6U CN216039962U (en) | 2021-08-26 | 2021-08-26 | MBR hollow membrane spinneret assembly convenient to dismouting is maintained |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122022826.6U CN216039962U (en) | 2021-08-26 | 2021-08-26 | MBR hollow membrane spinneret assembly convenient to dismouting is maintained |
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| Publication Number | Publication Date |
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| CN216039962U true CN216039962U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122022826.6U Active CN216039962U (en) | 2021-08-26 | 2021-08-26 | MBR hollow membrane spinneret assembly convenient to dismouting is maintained |
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| CN (1) | CN216039962U (en) |
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- 2021-08-26 CN CN202122022826.6U patent/CN216039962U/en active Active
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