阅读说明：本技术 一种聚酯熔体滤芯清洗设备 (Polyester melt filter element cleaning equipment ) 是由 张胜国 韩君炎 张绍英 潘洪良 孙利锋 封兴良 赵永军 于 2021-10-20 设计创作，主要内容包括：本发明公开了一种聚酯熔体滤芯清洗设备,包括碱洗筒体,以及用于将滤芯开口朝下固定的碱洗吊篮,所述碱洗筒体的底部设有蒸汽加热盘管,所述蒸汽加热盘管上安装有若干伸入至滤芯内部的鼓泡短管,所述鼓泡短管与蒸汽加热盘管相连通,所述鼓泡短管上开设有若干鼓泡孔。针对的熔体滤芯清洗不彻底,效率低的技术问题,本发明提供了一种聚酯熔体滤芯清洗设备,它能提高熔体滤芯的清洗效率,缩短熔体滤芯的清洗时间,同时降低蒸汽消耗量。(The invention discloses a cleaning device for a polyester melt filter element, which comprises an alkali washing barrel and an alkali washing hanging basket used for fixing the opening of the filter element downwards, wherein the bottom of the alkali washing barrel is provided with a steam heating coil, the steam heating coil is provided with a plurality of short bubbling pipes extending into the filter element, the short bubbling pipes are communicated with the steam heating coil, and the short bubbling pipes are provided with a plurality of bubbling holes. Aiming at the technical problems of incomplete cleaning of the melt filter element and low efficiency, the invention provides a cleaning device for the polyester melt filter element, which can improve the cleaning efficiency of the melt filter element, shorten the cleaning time of the melt filter element and reduce the steam consumption.)

1. A polyester melt filter element cleaning equipment is characterized in that: including washing with alkaline the barrel to and be used for washing with alkaline the hanging flower basket with filter core opening down fixed, the bottom of washing with alkaline the barrel is equipped with steam heating coil, install a plurality of bubbling nozzle stubs that stretch into to the filter core inside on the steam heating coil, bubbling nozzle stub is linked together with steam heating coil, a plurality of bubbling holes have been seted up on the bubbling nozzle stub.

2. The polyester melt filter element cleaning device according to claim 1, wherein: and an alkali liquor circulating through hole is formed in the middle of the steam heating coil.

3. The polyester melt filter element cleaning device according to claim 1, wherein: the bubbling short pipe is detachably connected to the steam heating coil.

4. The polyester melt filter element cleaning device according to claim 1, wherein: the inside of the alkali washing barrel is provided with an ear seat for supporting an alkali washing hanging basket, and the height of the steam heating coil is not higher than that of the ear seat.

5. The polyester melt filter element cleaning device according to claim 4, wherein: and the lug seat is fixedly connected with a coil supporting beam for mounting a steam heating coil.

6. The polyester melt filter element cleaning device according to claim 1, wherein: the alkaline washing barrel is provided with a steam outlet and a steam backflow port, the steam outlet is provided with a pressure valve, and a steam condenser is arranged between the steam outlet and the steam backflow port.

7. The polyester melt filter element cleaning device according to any one of claims 1 to 6, wherein: the alkali washing hanging basket comprises an upper flower plate, a lower flower plate and a plurality of stand columns used for connecting the upper flower plate and the lower flower plate, wherein a plurality of first filter element fixing holes are formed in the upper flower plate, a plurality of second filter element fixing holes are formed in the lower flower plate, and the first filter element fixing holes and the second filter element fixing holes are arranged in an up-and-down symmetrical mode.

8. The polyester melt filter element cleaning device according to claim 7, wherein: at least two guide rods are arranged in the alkaline washing cylinder, and at least one guide ring matched with the guide rods is arranged on the stand column.

9. The polyester melt filter element cleaning device according to claim 8, wherein: the guide rings are provided with two or more than two guide rods on the same guide rod.

10. The polyester melt filter element cleaning device according to claim 9, wherein: two guide rings are arranged on the same guide rod, one guide ring and the lower flower plate are located at the same horizontal height, and the distance between every two adjacent guide rings is smaller than the length of the upright post minus the length of the short bubbling pipe.

Technical Field

The invention relates to the technical field of cleaning equipment, in particular to cleaning equipment for a polyester melt filter element.

Background

Cooling and disassembling the melt filter element after high-temperature hydrolysis, putting the melt filter element into an alkali washing hanging basket one by one, enabling the core pipe of the filter element to be opened downwards, transferring the filter element into an alkali washing tank by a gourd, washing the filter element by using a special cleaning solution for the filter element, and washing out lumps formed by combining Ti02, a catalyst and a polymer. If the melt filter element is not thoroughly cleaned, the service cycle of the melt filter element is short, and the residual metal in the melt filter element causes the color of the polyester melt to be poor, so that the polyester product is reduced and even unqualified.

Incomplete cleaning of the melt filter element and low efficiency are common problems, and the problem is usually remedied by prolonging the alkali washing time or performing alkali washing again.

Disclosure of Invention

1. Technical problem to be solved by the invention

Aiming at the technical problems of incomplete cleaning of the melt filter element and low efficiency, the invention provides a cleaning device for the polyester melt filter element, which can improve the cleaning efficiency of the melt filter element, shorten the cleaning time of the melt filter element and reduce the steam consumption.

2. Technical scheme

In order to solve the problems, the technical scheme provided by the invention is as follows:

the utility model provides a polyester melt filter core cleaning equipment, includes the alkali wash barrel to and be used for washing the hanging flower basket with alkaline of filter core opening down fixed, the bottom of alkali wash barrel is equipped with steam heating coil, install a plurality of bubbling nozzle stub that stretch into to the filter core inside on the steam heating coil, bubbling nozzle stub is linked together with steam heating coil, a plurality of bubbling holes have been seted up on the bubbling nozzle stub.

Optionally, the middle part of the steam heating coil is provided with an alkali liquor circulation through hole.

Optionally, the sparging stub is removably attached to the steam heating coil.

Optionally, an ear seat for supporting the alkali washing hanging basket is arranged in the alkali washing barrel, and the height of the steam heating coil is not higher than that of the ear seat.

Optionally, a coil support beam for mounting the steam heating coil is attached to the ear mount.

Optionally, a steam outlet and a steam reflux port are arranged on the alkaline washing cylinder, a pressure valve is arranged at the steam outlet, and a steam condenser is arranged between the steam outlet and the steam reflux port.

Optionally, the alkali washing hanging basket comprises an upper flower plate, a lower flower plate and a plurality of stand columns for connecting the upper flower plate and the lower flower plate, wherein the upper flower plate is provided with a plurality of first filter element fixing holes, the lower flower plate is provided with a plurality of second filter element fixing holes, and the first filter element fixing holes and the second filter element fixing holes are arranged in an up-and-down symmetrical manner.

Optionally, at least two guide rods are arranged in the alkaline washing cylinder, and at least one guide ring matched with the guide rods is arranged on the stand column.

Optionally, two or more guide rings are provided on the same guide bar.

Optionally, two guide rings are arranged on the same guide rod, one guide ring and the lower pattern plate are at the same horizontal height, and the distance between two adjacent guide rings is smaller than the length of the column minus the length of the bubbling short pipe.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:

(1) this polyester melt filter core cleaning equipment is when wasing the filter core, steam heating coil lets in vapor to the tympanic bulla nozzle stub, can be in alkali lye production bubble in heating alkali lye, produce the shock wave in the closed twinkling of an eye of bubble, lead to the granule in the filter core micropore to take place fatigue failure and be refuted from, constantly promote the inside alkali lye of filter core to pass filter core filter layer flow to the filter core outside simultaneously, it flows to establish alkali lye circulation inside the filter core with the filter core outside, it passes to ensure all there being alkali lye in each filter core filtering layer, constantly update alkali lye and polymer contact interface, accelerate the reaction rate of polymer and alkali, heating coil is under the filter core, steam heating coil exists the space, the upset of alkali lye boiling, it is effectual to flow, fuse-element filter core cleaning efficiency is high, fuse-element filter core alkali washing operating duration is short, steam consumption is low.

Drawings

FIG. 1 is a schematic structural diagram of a cleaning device for a polyester melt filter element according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a steam heating coil in a cleaning device for a polyester melt filter element according to an embodiment of the present invention;

FIG. 3 is a schematic top view of a steam heating coil in a cleaning apparatus for a polyester melt filter element according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of an alkali washing basket in a polyester melt filter element cleaning device according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an upper flower plate in a cleaning device for a polyester melt filter element according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a bubbling short pipe in a cleaning device for a polyester melt filter element according to an embodiment of the present invention;

1. washing the cylinder with alkali; 2. washing the hanging basket with alkali; 21. mounting a pattern plate; 211. a stainless steel reel pipe; 212. fixing the short pipe; 22. a lower pattern plate; 23. a column; 24. a guide ring; 3. a steam heating coil; 4. a short bubbling pipe; 4a, foaming holes; 5. alkali liquor circulation through holes; 6. an ear mount; 7. a coil support beam; 8. a steam outlet; 9. a vapor return port; 10. a guide bar; 11. a vertical leg; 12. a top seal head; 13. sealing the bottom end; 14. a blow-off pipe; 15. a steam inlet pipe; 16. a steam exhaust pipe.

Detailed Description

For a further understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings 1-6 and examples.

With reference to the accompanying drawings 1-6, the cleaning equipment for the polyester melt filter element comprises an alkaline washing barrel 1 and an alkaline washing hanging basket 2 for fixing the opening of the filter element downwards, wherein the liquid level of alkaline liquor in the alkaline washing barrel 1 exceeds the top of the filter element, the concentration of the alkaline liquor is 30%, a vertical supporting leg 11 is fixedly welded on the outer side of the alkaline washing barrel 1, the top of the alkaline washing barrel 1 is detachably connected with a top end socket 12 through a connecting flange and a bolt, the bottom of the alkaline washing barrel 1 is fixedly welded with a bottom end socket 13, a drain pipe 14 is arranged on the bottom end socket 13, a steam heating coil 3 is arranged at the bottom of the alkaline washing barrel 1, the steam heating coil 3 adopts a round pipe with the diameter of 39 x 3.2mm and can also be a square pipe, the steam heating coil 3 is in a spiral line structure, and a steam inlet pipe 15 is fixedly welded on the inner ring of the steam heating coil 3, the steam heating coil 3's outer lane is gone up the welding and is linked firmly steam exhaust pipe 16, install a plurality of bubbling nozzle stub 4 that stretch into to the filter core inside on the steam heating coil 3, bubbling nozzle stub 4 is linked together with steam heating coil 3, the bubbling nozzle stub adopts phi 18 x 2.6 mm's pipe, a plurality of tympanic bulla holes 4a have been seted up on bubbling nozzle stub 4, the diameter of tympanic bulla hole is 1 mm.

This polyester melt filter core cleaning equipment is when wasing the filter core, steam heating coil 3 lets in vapor to tympanic bulla nozzle stub 4, can be in alkali lye gassing when heating alkali lye, produce the shock wave in the closed twinkling of an eye of bubble, lead to the granule in the filter core micropore to take place fatigue failure and be refuted from, constantly promote the inside alkali lye of filter core to pass filter core filter layer flow to the filter core outside simultaneously, it flows to establish alkali lye circulation inside the filter core with the filter core outside, it passes to ensure all to have alkali lye in each filter core filter layer, constantly update alkali lye and polymer contact interface, accelerate the reaction rate of polymer and alkali, heating coil is under the filter core, steam heating coil 3 has the space, the upset of alkali lye boiling, it is mobile effectual, melt filter core cleaning efficiency is high, melt filter core alkali washing run time is short, steam consumption is low.

As an alternative of the invention, the middle part of the steam heating coil 3 is provided with an alkali liquor circulation through hole 5, the alkali liquor circulation through hole 5 is a through hole formed by the middle part of the steam heating coil 3 in a surrounding manner, and alkali liquor can form circulation flow between the inner ring and the outer ring of the circular ring formed by the filter elements due to the fact that the temperature of the liquid in the middle of the tank is high and the temperature of the periphery of the tank is low.

As an alternative of the invention, the steam heating coil 3 comprises several round steam pipes with different diameters and a vent pipe for communicating two adjacent round steam pipes.

As an alternative of the invention, in order to facilitate installation and maintenance of the short bubbling pipes 4 and conveniently adjust the number of the short bubbling pipes 4, the short bubbling pipes 4 are detachably connected to the steam heating coil 3, a plurality of internal thread interfaces are uniformly distributed on the steam heating coil 3, external threads matched with the internal thread interfaces are formed at the bottom of the short bubbling pipes 4 in a processing manner, and the short bubbling pipes 4 are installed on the steam heating coil 3 through threads.

As an alternative scheme of the invention, the alkaline washing cylinder 1 is internally provided with the ear seats 6 for supporting the alkaline washing hanging basket 2, and the ear seats 6 are distributed at equal intervals in the alkaline washing cylinder 1 at the position close to the bottom end socket 13 along the circumferential direction of the alkaline washing cylinder 1 and fixedly connected to the inner wall of the alkaline washing cylinder 1 through welding.

As an alternative of the invention, the height of the steam heating coil 3 is not higher than that of the lug seat 6, so that the alkali washing hanging basket 2 is prevented from directly contacting the steam heating coil 3, the lug seat 6 is fixedly connected with a coil supporting beam 7 for mounting the steam heating coil 3, the middle part of the coil supporting beam 7 is provided with a through hole corresponding to the alkali liquor circulating through hole 5, the side edge of the coil supporting beam 7 is fixedly connected with the lug seat 6 in a welding manner, the coil supporting beam 7 adopts 4 # 5 channel steel which is arranged in a cross manner, the middle of the channel steel is not communicated, and the steam heating coil 3 is welded on the coil supporting beam 7.

As an alternative of the invention, a steam outlet 8 and a steam return port 9 are arranged on the alkaline washing cylinder 1, the steam outlet 8 is arranged at the upper end of the alkaline washing cylinder 1, the steam return port 9 is arranged at the lower end of the alkaline washing cylinder 1, a pressure valve is arranged at the steam outlet 8, the pressure valve is opened at 150KPa, a steam condenser is arranged between the steam outlet 8 and the steam return port 9, the steam outlet 8 and the steam return port 9 can be connected through a pipeline, when the pressure reaches a high alarm (150KPa), the pressure valve is opened, steam starts to be discharged to the condenser, and condensed water generated in the condenser flows through the steam return port 9 into the alkaline washing cylinder 1; heating steam continues to be heated, when the pressure of the alkali washing tank reaches an ultrahigh alarm value (200KPa), the heating steam valve is closed until the pressure of the alkali washing tank is reduced to a low alarm value (80KPa), the pressure valve is closed, condensed water in the condenser is emptied by gravity, meanwhile, the heating steam valve is opened, and the steps are repeated.

As an alternative of the invention, a liquid level balance pipeline is arranged on the steam reflux port 9 of the alkali washing cylinder body 1, and when the liquid level of the alkali washing tank exceeds a high level, condensed water flows back to the sewage tank.

As an alternative of the invention, the alkali washing hanging basket 2 comprises an upper flower plate 21, a lower flower plate 22 and a plurality of columns 23 for connecting the upper flower plate 21 and the lower flower plate 22, wherein the upper flower plate 21 is provided with a plurality of first filter element fixing holes, the lower flower plate 22 is provided with a plurality of second filter element fixing holes, the number of the first filter element fixing holes and the number of the second filter element fixing holes are consistent with the number of the bubbling short tubes 4, the first filter element fixing holes and the second filter element fixing holes are arranged in an up-and-down symmetrical manner, and the first filter element fixing holes and the second filter element fixing holes are respectively used for fixing the tail end and the open end of the filter element, so as to prevent the filter element from shaking in the bubbling cleaning process and improve the stability of the filter element during cleaning.

As an alternative of the present invention, the upper faceplate 21 includes several circles of stainless steel coils 211 with different diameters, the stainless steel coils 211 have a thickness of 6mm, several fixing short pipes 212 are welded and fixed between two adjacent layers of stainless steel coils 211, a first filter element fixing hole is formed in the middle of the fixing short pipe 212, the fixing short pipe 212 has a specification of phi 73 x 4.5mm, and the lower faceplate 22 has a structure and a shape consistent with the upper faceplate 21, and is mainly different from the lower faceplate 22 in that the fixing short pipe has a specification of phi 48.3 x 2.8 mm.

As an alternative of the invention, at least two guide rods 10 are arranged in the alkaline washing cylinder 1, the diameter of each guide rod 10 is 58mm, the bottom ends of the guide rods 10 are fixedly welded to the ear seats 6 and extend along the height direction of the alkaline washing cylinder 1, and at least one guide ring 24 matched with the guide rods 10 is arranged on the upright column 23 to play a role in guiding the installation and fixation of the alkaline washing hanging basket 2 and ensure that the filter elements are correspondingly inserted into the bubbling short pipes 4 one by one.

As an alternative of the present invention, two guide rings 24 are provided on the same guide rod 10, in other embodiments, the number of the guide rings 24 may be two or more, one of the guide rings 24 and the lower faceplate 22 are at the same horizontal height, that is, the bottom end of the column 23, and the distance between two adjacent guide rings 24 is smaller than the length of the column 23 minus the length of the short bubbling pipe 4, so as to ensure that the short bubbling pipe 4 starts to penetrate into the melt filter element after 2 guide rings 24 penetrate into the guide rod 10, ensure the plugging and matching of the filter element and the short bubbling pipe 4, and avoid the collision between the filter element and the short bubbling pipe 4 due to the angle deviation.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.