阅读说明：本技术 一种长效高精度碟式熔体过滤器 (Long-acting high-precision disc type melt filter ) 是由 孙宁 崔家鸣 董浩宇 庞景森 储著新 白耀宗 于 2019-11-05 设计创作，主要内容包括：本发明公开了一种长效高精度碟式熔体过滤器,包括碟式过滤网、滤芯、过滤筒体、加热室筒体、过滤上下端盖、出入口连接管路、保温层、加热器等。本发明采用高精密碟片式过滤装置,熔料过滤效果更好,通过多组碟片组合形式提高过滤效率,保证熔体质量,增加使用寿命,加热器及保温层的使用保证内部温度稳定,确保熔体的流动性,此装置可长期使用无需频繁更换,结构简单可靠具有优质的使用效果。(The invention discloses a long-acting high-precision disc type melt filter which comprises a disc type filter screen, a filter element, a filter cylinder, a heating chamber cylinder, upper and lower filter end covers, an inlet and outlet connecting pipeline, a heat insulation layer, a heater and the like. The invention adopts the high-precision disc type filtering device, the melt filtering effect is better, the filtering efficiency is improved through the combination of a plurality of groups of discs, the melt quality is ensured, the service life is prolonged, the internal temperature is ensured to be stable by using the heater and the heat-insulating layer, the fluidity of the melt is ensured, the device can be used for a long time without frequent replacement, the structure is simple and reliable, and the device has high-quality use effect.)

1. A long-acting high-precision disc type melt filter is characterized in that: including filtering component, barrel subassembly, connecting line subassembly, filtering component arrange inside the barrel subassembly in, the connecting line unit mount on the barrel subassembly, wherein:

the filter assembly comprises a filter core disc (11), a filter tube core (25) is arranged below the filter core disc (11), a filter disc (24) is sleeved on the filter tube core (25), and a filter pressing disc (14), a pressing disc nut (15) and a plug (16) are sequentially connected below the filter disc (24);

the barrel component comprises a filtering barrel (13), the filtering barrel (13) is respectively connected with a filtering upper cover (10) and a filtering lower cover (23) through a bolt (6), and a heating chamber barrel (7) and a heating chamber barrel heater (12) are sequentially arranged on the outer side of the filtering barrel (13);

the connecting pipeline component comprises a transition sleeve (17) and an inlet/outlet pipe (20) connected to the outer side of the transition sleeve, an inlet/outlet pipe flange (21) is sleeved on the inlet/outlet pipe (20), an inlet/outlet pipe flange heater (19) and an inlet/outlet pipe heater (18) are correspondingly wrapped on the outer side of the inlet/outlet pipe flange, and a jackscrew (9) is positioned on the opposite side of the inlet/outlet pipe (20) and is installed on a jackscrew seat (8).

2. A long acting high precision butterfly melt filter according to claim 1, wherein: the filter discs (24) and the star-shaped supports (28) are alternately stacked in the filter assembly.

3. A long acting high precision disc melt filter according to claim 2 wherein: the filter disc (24) is composed of a filter layer, an interlayer and an internal retainer, and the interlayer is evenly perforated close to the surface of the filter tube core (25).

4. A long acting high precision disc melt filter according to claim 1 wherein: the filter tube core (25) is provided with holes uniformly in the circumferential direction and corresponds to the filter disc (24).

5. A long acting high precision disc melt filter according to claim 1 wherein: the transition sleeve (17) is respectively arranged between the inlet/outlet pipe (20) and the lower filtering cover (23), between the inlet/outlet pipe (20) and the upper filtering cover (10), and the inlet/outlet pipe (20) is connected to the heating chamber cylinder (7).

6. A long acting high precision disc melt filter according to claim 5 wherein: the transition sleeve (17) is matched with the inlet/outlet pipe (20) for fastening by rotating the jackscrew (9) to push the lower filter cover (23) or the upper filter cover (10) to move.

Technical Field

The invention relates to a long-acting high-precision disc type melt filter.

Background

In the production process of the lithium battery diaphragm, the melt filter is a vital device, and the melt filter is mainly used for filtering impurities and foreign matters in a melt, controlling the defects of impurities, flaws and the like on the diaphragm and improving the quality of the diaphragm. However, the existing melt filter has the defects of simple filtering structure, short service life, poor filtering effect, impurity, foreign matter and the like in the diaphragm, the yield of the diaphragm production is seriously influenced, and the production cost is improved.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the long-acting high-precision butterfly melt filter which is reasonable in structural design and good in using effect, and effectively solves the problem of melt filtration in the production process of the lithium battery diaphragm.

The technical scheme of the invention is as follows:

a long-acting high-precision disc type melt filter is characterized in that: including filtering component, barrel subassembly, connecting line subassembly, wherein:

the filter assembly comprises a filter core disc, a filter tube core, a filter disc, a filter pressing disc, a pressing disc nut and a plug, wherein the filter tube core is arranged below the filter core disc, the filter disc is sleeved on the filter tube core, and the filter pressing disc, the pressing disc nut and the plug are sequentially connected below the filter disc;

the barrel component comprises a filtering barrel, a filtering upper cover, a filtering lower cover, a heating chamber barrel, a bolt and a heating chamber barrel heater, wherein the filtering barrel is respectively connected with the filtering upper cover and the filtering lower cover through the bolt, and the heating chamber barrel heater are sequentially arranged outside the filtering barrel;

the connecting pipeline component comprises a transition sleeve, an inlet/outlet pipe flange, an inlet/outlet pipe heater, an inlet/outlet pipe flange heater, a top thread seat and top threads, wherein the outer side of the transition sleeve is connected with the inlet/outlet pipe, the inlet/outlet pipe flange is sleeved on the inlet/outlet pipe, the outer side of the inlet/outlet pipe flange is correspondingly wrapped on the inlet/outlet pipe flange heater and the inlet/outlet pipe heater, and the top threads are positioned on the opposite side of the inlet/outlet pipe and are arranged on the top thread seat.

The filter discs and the star-shaped support in the filter component are alternately stacked.

The filter disc is composed of a filter layer, an interlayer and an internal retainer, and the interlayer is close to the surface of the filter tube core and is uniformly perforated.

The filter tube core is provided with holes uniformly along the circumferential direction and corresponds to the filter disc.

The transition sleeves are respectively arranged between the inlet/outlet pipe and the lower filtering cover, between the inlet/outlet pipe and the upper filtering cover, and the inlet/outlet pipe is connected to the heating chamber cylinder.

The transition sleeve is matched with the inlet/outlet pipe for fastening by rotating the jackscrew to push the lower filtering cover or the upper filtering cover to move.

The invention has the following beneficial effects: the invention provides a long-acting high-precision disc type melt filter, which has the advantages that a high-precision disc type filter device is adopted, so that the melt filtering effect is better, the melt quality is ensured, the yield of diaphragm production is improved, the use cost is reduced, the filtering efficiency is greatly improved by utilizing a plurality of groups of filter disc combinations, the service cycle of the filter discs is prolonged, the internal temperature stability of a heater and a heat insulation layer is ensured, the fluidity of the melt is ensured, the long-term use can be realized without frequent replacement, and the melt filter device has a simple structure, is stable and reliable and has a good use effect.

Drawings

FIG. 1: the overall structure of the melt filter is shown schematically.

FIG. 2: a schematic detail of a melt filter.

FIG. 3: the filter disc is installed in the structure diagram.

In the figure: 1 exhaust valve core, 2 exhaust valve body, 3 exhaust valve flange bolt, 4 exhaust valve flange, 5 upper cover-core disc connecting bolt, 6 bolt, 7 heating chamber cylinder, 8 jackscrew seat, 9 jackscrew, 10 filtering upper cover, 11 filtering core disc, 12 heating chamber cylinder heater, 13 filtering cylinder, 14 filtering pressure disc, 15 pressure disc nut, 16 plug, 17 transition sleeve, 18 inlet/outlet pipe heater, 19 inlet/outlet pipe flange heater, 20 inlet/outlet pipe, 21 inlet/outlet pipe flange, 22 discharging valve component, 23 filtering lower cover, 24 filtering disc, 25, filtering tube core, 26 cylinder heat-insulating cover, 27 supporting bottom plate and 28 star-shaped bracket.

Detailed Description

The invention is described below with reference to the accompanying drawings:

referring to fig. 1-3, the present invention provides a long-term high-precision disc-type melt filter, which comprises a filter assembly, a cylinder assembly, and a connecting pipeline assembly.

The filtering component comprises a filtering core disc 11, a filtering tube core 25, a filtering disc 24, a filtering pressure disc 14, a pressure disc nut 15 and a plug 16, wherein the filtering core disc 11 supports the filtering tube core 25, the filtering disc 24 is a hollow circular ring and is arranged on the filtering tube core 25, the filtering disc 24 is composed of a filtering layer, an interlayer and an internal retainer, the filtering of a melt is mainly realized by the filtering disc, the cylindrical surface on the inner side of the interlayer is uniformly perforated, the filtered melt is ensured to smoothly enter the filtering tube core 25, the filtering disc 24 and a star-shaped support 28 are alternately arranged and are fastened by the pressure disc nut 15 after being compressed, the melt is ensured to enter the filtering tube core through the filtering layer, and the plug 16 plugs the groove of the pressure disc.

The barrel component comprises a filtering barrel 13, a filtering upper cover 10, a filtering lower cover 23, a heating chamber barrel 7 and an upper cover-filtering barrel connecting bolt 5, the filtering component is arranged in the filtering barrel 13 to play a filtering role, the filtering upper cover 10, the filtering lower cover 23 and the filtering barrel 13 are fastened through the upper cover-filtering barrel connecting bolt 5 to form a sealed space, so that a melt can only circulate through a designed pipeline, and the heating chamber barrel 7 plays a supporting role in the whole internal structure.

The connecting pipeline component comprises a transition sleeve 17, an inlet/outlet pipe 20, an inlet/outlet pipe flange 21, a jackscrew seat 8 and a jackscrew 9, wherein the transition sleeve is arranged between the inlet/outlet pipe 20 and a filtering lower cover 21 as well as a filtering upper cover 10, the inlet/outlet pipe 20 is connected on a heating chamber cylinder 7 through a bolt, the jackscrew 9 is positioned at the opposite side of the inlet/outlet pipe 20 and is arranged on the jackscrew seat 8, the jackscrew 9 is screwed up to push the filtering lower cover 21 to move transversely to match and compress the transition sleeve 17, so that the melt can not leak through an outer pipeline and smoothly enters the filtering component.

The heating and heat-insulating part of the filter comprises a heating chamber cylinder heater 12, an inlet/outlet pipe heater 18, an inlet/outlet pipe flange heater 19 and a cylinder heat-insulating cover 26, the heating chamber cylinder heater 12 is arranged in parallel by five groups of annular structures and is covered around a heating chamber cylinder 7 for heating, so that the temperature stability of internal melt is ensured, the inlet/outlet pipe heater 18 and the inlet/outlet pipe flange heater 19 are used for heating an inlet/outlet pipeline and a flange so that the temperature of the melt in the pipeline is ensured to be stable, the melt has excellent fluidity in the internal pipeline, and the cylinder heat-insulating cover 26 is used for insulating the whole melt filter and reducing heat loss.

Referring to fig. 2, the melt flows in the filter through the inlet pipe into the lower filter cover 23, then is divided by the filter platen 14, and then enters the filter tube core 25 after being filtered by the filter disc 24 from the periphery of the filter assembly, and finally flows out through the outlet pipe from the inner pipe of the upper filter cover 10, thus completing the whole melt filtering process.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any equivalent replacement or change made according to the technical solution of the present invention and the inventive concept thereof within the technical scope of the present invention should be covered by the present invention.