Novel residue-free polishing filter

Abstract

The utility model provides a novel residue-free polishing filter. The novel residue-free polishing filter comprises a shell, a filter element seat connected to the bottom of the shell, a liquid inlet pipe, a lower sealing head and a filter element, wherein the liquid inlet pipe and the lower sealing head are respectively connected with the filter element seat; the filter element is provided with a wing end connector, the filter element seat is provided with a liquid outlet and a buckle, the filter element is inserted into the liquid outlet, the wing end is limited in the buckle, a clear liquid pool is arranged in the lower sealing head, and the liquid outlet is communicated with the clear liquid pool. According to the novel residue-free polishing filter provided by the utility model, the liquid inlet and the clear liquid pool are thoroughly separated, so that circulation obstacles and liquid retention caused by a welding point or a stretching structure are avoided, and the risks of internal structure intersection and liquid accumulation of equipment are eliminated; the filter element is fixed in an inserting and buckling mode, non-step transition is adopted, fluid flows stably without resistance, the residual risk is completely eradicated, sanitary dead angles at the connecting position are thoroughly eliminated, and a traditional internal rotation type pressing structure is omitted.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technical field especially relates to a new type no residual polishing filter. BACKGROUND

[0002] Sanitary filter is the filter equipment designed specially for pharmacy, biotechnology, food and beverage and other industries with high cleanliness requirement. Its main purpose is to remove particles, microorganisms and other impurities in liquid or gas through high efficiency filtration to ensure safety of production process and product quality.

[0003] The sanitary filter structure commonly seen in the market at present is as shown in the figure Figure 1 The lower head 92 is connected to the clamping chuck 91 as a clear liquid pool, the inlet pipe 93 is directly inserted into the shell 94 and welded fixedly, the outlet pipe 96 is connected to the lower head 92, and the device is provided with an outlet 97 at the top. Since the welding point structure is complex, its polishing difficulty is great, and dead angle and liquid accumulation point are easily formed during cleaning, which causes residual pollutants. At the same time, the structure of the inlet pipe 93 extending inwards will cause certain flow resistance to the cleaning liquid when the cleaning liquid flows through the lower head 92 clear liquid pool, so that part of the cleaning liquid is left inside the cylinder wall. The chuck 91 is connected to the connecting port of the filter element 95 using the 226 interface inner rotation structure, and the cleaning dead angle also exists in the clamping groove, which causes the filter liquid or cleaning liquid to be left at this position. The above problems not only increase the polishing and cleaning difficulty, but also significantly improve the complexity of the installation and disassembly of the filter element 95, easily introduce secondary pollution, and cannot meet the high cleanliness requirement.

[0004] Therefore, it is necessary to design a new type no residual polishing filter to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a new type no residual polishing filter, which completely separates the liquid inlet and the clear liquid pool, avoids the flow resistance and liquid retention caused by the welding point or the extending structure, eliminates the risk of internal structure intersection and liquid accumulation of the equipment, has few welding points, is not easy to form dead angle and liquid accumulation point during cleaning, can prevent residual pollutants, adopts the plug-in buckle type fixing of the filter core, has no step transition, the fluid flows smoothly and has no resistance, eliminates the residual risk, completely eliminates the sanitary dead angle of the connecting portion, cancels the traditional inner rotation type compression structure, the channel has no multi-stage ladder, has no residual and no dead angle, avoids the residual of the filter liquid or cleaning liquid at this position, and the material and cleaning liquid can flow freely in the channel.

[0006] In order to achieve the above object, the utility model provides a novel no -residue polishing filter, including the casing, the filter core seat connected in the bottom of casing, the liquid inlet pipe and the lower head connected with filter core seat respectively, the filter core, the filter core is equipped with the wing end interface, is equipped with the liquid outlet and the buckle on the filter core seat, the filter core is inserted in the liquid outlet and the wing end is restricted in the buckle, is equipped with the clear liquid pool in the lower head, the liquid outlet and clear liquid pool intercommunication.

[0007] In some embodiments, the lower head is located at the bottom center of the filter core seat.

[0008] In some embodiments, the filter core seat is provided with a liquid inlet at the side wall position, and the liquid inlet pipe is connected in the liquid inlet.

[0009] In some embodiments, the liquid inlet pipe is connected with a drain pipe.

[0010] In some embodiments, the liquid outlet pipe is further included, and the liquid outlet pipe is in communication with the clear liquid pool.

[0011] In some embodiments, the filter core is provided with two symmetrically distributed wing ends, and two symmetrically distributed steel wire buckles are arranged beside the liquid outlet.

[0012] In some embodiments, the casing and the filter core seat are connected through a clamp.

[0013] In some embodiments, the filter core seat is provided with a plurality of legs at the lower end, and the casing side wall is provided with a handle.

[0014] In some embodiments, the casing top is provided with a V1 pressure gauge port and a V2 emptying port.

[0015] Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a novel no -residue polishing filter, completely separates the liquid inlet and the clear liquid pool, avoids the flow obstruction and the retention of liquid caused by the welding point or the extension structure, eliminates the risk of internal structure intersection and liquid accumulation of equipment, has few welding points, and the dead angle and the liquid accumulation point are not easy to form during cleaning, can prevent the residue of pollutants, the filter core adopts the plug-in buckle type fixation, is no ladder transition, the fluid flows smoothly and has no obstruction, eliminates the risk of residue, completely eliminates the sanitary dead angle of the connecting portion, cancels the traditional inner rotation type compression structure, the channel does not have multistage ladder, has no residue and no dead angle, avoids the residue of filtered liquid or cleaning liquid here, and the material and cleaning liquid can flow freely in it. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure diagram of no -residue polishing filter shown in prior art;

[0017] Figure 2A structure diagram of a novel residual-free polishing filter is shown in the utility model.

[0018] Figure 3 For Figure 2 A structure diagram of the filter core seat is shown in the utility model.

[0019] Figure 4 For Figure 2 A structure diagram of the filter core is shown in the utility model.

[0020] Figure 5 For Figure 2 The top view. Specific implementation

[0021] The utility model will be explained in detail in combination with each embodiment shown in the drawings, but it should be explained that these embodiments are not the limitation of the utility model, and the equivalent transformation or substitution of function, method or structure made by the ordinary skilled in the art according to these embodiments all belong to the protection scope of the utility model.

[0022] As Figures 2-5 A novel residual-free polishing filter shown in the utility model, including shell 1, filter core seat 3 connected in the bottom of shell 1, liquid inlet pipe 5 and lower head 4 are connected with filter core seat 3 respectively, filter core 2.

[0023] The lower head 4 is welded in the bottom center of filter core seat 3, forms a funnel-shaped structure without dead angle, ensures that liquid and cleaning fluid can flow smoothly.The lower head 4 is equipped with clear liquid pool 40, the liquid outlet 32 is communicated with clear liquid pool 40, and the whole presents a funnel form, guarantees that liquid can flow smoothly and without residue through filter core 2 and circulate to clear liquid pool 40.

[0024] The liquid inlet 33 is set up in the sidewall position of filter core seat 3, the liquid inlet pipe 5 is connected in liquid inlet 33, completely separates liquid inlet 33 and clear liquid pool 40, avoids the flow obstruction and liquid stagnation caused by welding point or extension structure, eliminates the risk of internal structure intersection and liquid accumulation of equipment.The liquid inlet pipe 5 and clear liquid pool 40 are independent of each other, and the welding points are few, and it is not easy to form dead angle and liquid accumulation point during cleaning, which can prevent the residue of pollutants, and the liquid inlet pipe 5 will not cause flow obstruction to the cleaning fluid, which can avoid the residue of cleaning fluid.

[0025] The liquid outlet 32 and buckle 31 are equipped on filter core seat 3, the number of liquid outlet 32 is 5 and is annularly spaced distribution.The liquid outlet 32 is equipped with two symmetrically distributed steel wire buckles.

[0026] The filter core 2 is a 226 wing end interface filter core, and the surface of the filter core 2 is provided with two symmetrical wings 21. When the filter core 2 is installed, the liquid outlet end of the filter core 2 is inserted into the liquid outlet 32, and then the wings 21 are screwed into the buckle 31 for fixation. There is no step transition, the fluid flows smoothly and without obstruction, and the risk of residue is eliminated. The sanitary dead angle at the connection is completely eliminated, the traditional internal rotation type compression structure is cancelled, there is no multi-stage ladder in the channel, there is no residue and no dead angle, and the filtered liquid or cleaning liquid is prevented from being left at this position. The material and cleaning liquid can flow freely and unobstructed in the channel.

[0027] The material enters through the liquid inlet pipe 5, is filtered by the filter core 2, enters the channel of the filter core seat 3 connected to the clear liquid pool 40, the lower head 4 is communicated with each liquid outlet 32 and is arranged at the bottom end to ensure that all the liquid can be completely discharged. The filtered liquid and the cleaning liquid can pass through the channel into the clear liquid pool 40 of the lower head 4 and then be discharged through the liquid outlet pipe 41.

[0028] The liquid inlet pipe 5 is connected with a drain pipe 51. The liquid outlet pipe 41 is further included and is communicated with the clear liquid pool 40. The shell 1 and the filter core seat 3 are connected through the clamp 7. A plurality of legs 6 are screwed at the lower end of the filter core seat 3. The shell 1 is provided with a handle 11 on the side wall to facilitate the operation and movement of the equipment. The shell 1 is provided with a V1 pressure gauge port 12 and a V2 vent port 13 at the top for monitoring the filtration pressure and venting.

[0029] The internal welds of the filter core seat 3 have very high polishing requirements. Laser welding and mirror polishing are used to ensure that the inner and outer surfaces have no dead angle, are easy to clean and sterilize, reduce the surface roughness, effectively prevent the particulate matter and microorganisms in the liquid or gas from adhering or accumulating on the inner wall of the equipment, and eliminate the small recesses on the welding joint, sharp corners and inner wall to reduce the residue after cleaning and effectively prevent cross contamination and microbial growth. The filter core seat 3 is internally laser welded to ensure that the welds are uniform and smooth. The inner and outer surfaces are mirror polished to completely eliminate possible pollution hazards, support online cleaning of the equipment, meet the requirements of CIP and SIP online cleaning, and meet the cleanliness requirements of sanitary equipment. The shell 1 and the lower head 4 do not need to be disassembled for manual cleaning before and after use of the filter, reducing the probability of introducing pollution in the disassembly process and reducing the risk of secondary pollution.

[0030] The series of detailed descriptions listed above are only specific descriptions of the feasible implementation modes of the utility model, and they are not used to limit the protection scope of the utility model. Equivalent implementation modes or changes made without departing from the spirit of the utility model art should be included in the protection scope of the utility model.

[0031] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A new residue-free polishing filter characterized in that, The utility model relates to a filter, which comprises a shell, a filter core seat connected to the bottom of the shell, an inlet pipe and a lower head connected to the filter core seat respectively, and a filter core.

2. A new residue-free polishing filter according to claim 1, characterized in that, The filter core is provided with wing end interfaces, the filter core seat is provided with a liquid outlet and a buckle, the filter core is inserted into the liquid outlet and the wing end is limited in the buckle, the lower head is provided with a clear liquid pool, and the liquid outlet and the clear liquid pool are communicated.

3. A new residue-free polishing filter according to claim 1, characterized in that, The lower head is located at the bottom center of the filter core seat.

4. A new residue-free polishing filter according to claim 3, characterized in that, The filter core seat is provided with an inlet opening at the side wall position, and the inlet pipe is connected to the inlet opening.

5. A new residue-free polishing filter according to claim 1, characterized in that, The inlet pipe is connected with a drain pipe.

6. A new residue-free polishing filter according to claim 1, characterized in that, The utility model further comprises an outlet pipe, which is communicated with the clear liquid pool.

7. A new residue-free polishing filter according to claim 1, characterized in that, The filter core is provided with two symmetrically distributed wing ends, and two symmetrically distributed steel wire buckles are arranged beside the liquid outlet.

8. A new residue-free polishing filter according to claim 1, characterized in that, The shell and the filter core seat are connected through a clamp.

9. A new residue-free polishing filter according to claim 1, characterized in that, The filter core seat is provided with a plurality of supporting legs at the lower end, and the shell side wall is provided with a handle. The shell top is provided with a V1 pressure gauge opening and a V2 vent opening.

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