CN217526720U

CN217526720U - Sanitary exhaust and drainage filter without residual accumulated liquid

Info

Publication number: CN217526720U
Application number: CN202221491185.7U
Authority: CN
Inventors: 罗开菁; 刘家豪
Original assignee: Hangzhou Tang Wei Filter Equipment Co ltd
Current assignee: Hangzhou Tang Wei Filter Equipment Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-10-04
Anticipated expiration: 2032-06-15

Abstract

The utility model relates to a sanitary no residual exhaust flowing back filter of hydrops. According to the conventional fluid filter, an exhaust valve, a drain valve and the filter are horizontally installed and welded, so that accumulated liquid in a pipeline is easily accumulated after sampling and draining, a sanitary dead angle is formed, and a large amount of microorganisms are generated for reproduction. The filter drain valve is arranged on the filter base and cannot completely drain liquid in the inlet pipeline. The utility model discloses a filter housing barrel, its characterized in that set up discharge valve and flowing back valve on the shell barrel, this discharge valve is the angle of elevation with shell barrel installation water flat line, the bottom of shell barrel sets up filter feed liquor pipe, the bottom of filter feed liquor pipe sets up the flowing back valve. The utility model discloses ensure that discharge valve is intraductal not to preserve the hydrops, effectively prevent to reveal, promote holistic leakproofness.

Description

Sanitary exhaust and drainage filter without residual accumulated liquid

Technical Field

The utility model relates to a sanitary no residual exhaust flowing back filter of hydrops.

Background

According to the conventional fluid filter, an exhaust valve, a drain valve and the filter are horizontally installed and welded, so that accumulated liquid in a pipeline is easily accumulated after sampling and draining, a sanitary dead angle is formed, and a large amount of microorganisms are generated for reproduction. The filter drain valve is arranged on the filter base and cannot completely drain liquid in the inlet pipeline.

In the occasions with high cleaning requirements, such as the application of the biopharmaceutical industry, the microelectronic industry and the chip industry, the liquid accumulation can occur, and the conditions of mass propagation of microorganisms and particle accumulation can occur. This will seriously affect the cleanliness of the material being filtered and will reduce the rate of retention of the filtered particles, thereby raising the risk of filtration failure.

In addition, the conventional filter has the following problems: 1. the exhaust and liquid discharge valve core of the filter is in a simple vertical bar-shaped anti-skid design, the contact surface is small, and liquid leakage caused by screwing is not easy to occur; 2. the exhaust and liquid discharge valve seats of the filter are internal threads, so that dirt and dirt are easily stored and are not easy to clean; 3. the plug of the exhaust and liquid discharge valve core of the filter is plane rubber, and the assembly is easy to wear and cause leakage; 4. the valve core of the exhaust valve and the liquid discharge valve of the filter comprises 1 sealing ring, the cock is easy to damage to cause the leakage of the filter, and the integrity of the filter cannot be tested by connecting an integrity test instrument from the exhaust valve.

SUMMERY OF THE UTILITY MODEL

The utility model discloses shortcoming to prior art exists provides a remaining exhaust flowing back filter of no hydrops of health, ensures not to preserve the hydrops in the discharge valve pipe, effectively prevents to reveal, promotes holistic leakproofness.

Therefore, the utility model adopts the following technical proposal: the utility model provides a remaining exhaust flowing back filter of sanitary no hydrops, includes the filter housing barrel, its characterized in that set up discharge valve and flowing back valve on the housing barrel, this discharge valve is the angle of elevation with housing barrel installation water flat line, the bottom of housing barrel sets up filter feed liquor pipe, the bottom of filter feed liquor pipe sets up the flowing back valve.

Preferably, the elevation angle is more than or equal to 5 degrees, and the drain valve is vertically arranged.

Preferably, the exhaust valve and the drain valve comprise a valve seat and a valve core, and the valve seat and the valve core are tightly screwed and sealed through a wide-edge external knurled internal thread nut.

Preferably, the valve seat outlet and the valve core plug adopt a conical structure to form a surface sealing structure.

Preferably, the plug of the exhaust valve is made of PTFE material and is processed into a conical sealing head, and the exhaust valve core adopts a two-seal ring structure.

Preferably, a pressure gauge interface is arranged on the upper part of the exhaust valve on the shell cylinder.

Preferably, the valve seat of the exhaust valve is of an external thread structure, and the exhaust valve is detachably connected with the shell cylinder.

The beneficial effects of the utility model reside in that:

1. prevent the leakage of the exhaust valve and the drain valve.

2. The exhaust and drain valve is sanitary, easy to clean and has no dead angle.

3. No residual liquid exists in the exhaust and drain valves, so that the breeding of microorganisms can be avoided.

4. Ensuring that the integrity test of the filter is not biased by the seal of the filter itself.

5. Ensuring no residual liquid in the pipeline.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the valve element.

Fig. 3 is a schematic structural view of a valve seat.

Fig. 4 is a schematic structural view of the knurl of the outer nut.

Fig. 5 is a schematic structural view of the outer nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses a remaining exhaust flowing back filter of no hydrops of health, including filter housing barrel 2 and filter base 3, set up discharge valve 1 and flowing back valve 4 on the housing barrel, this discharge valve is the angle of elevation with housing barrel installation water flat line, the bottom of housing barrel sets up filter feed liquor pipe 5, the bottom of filter feed liquor pipe sets up the flowing back valve.

In one embodiment, the elevation angle is more than or equal to 5 degrees, and the drain valve is vertically arranged. The exhaust valve pipe is higher than a horizontal line, so that accumulated liquid can be prevented from remaining in the exhaust valve pipe, and the accumulated liquid in the pipe can be rapidly discharged through the vertically arranged drain valve.

As shown in fig. 2 and 3, in one embodiment, the exhaust valve and the drain valve include a valve seat 10 and a valve core, which are screw-tightly sealed by a wide outer knurl 12 and an internal thread 13. And a wide-edge external knurled internal thread nut is adopted to fully screw and seal the valve core and the valve seat.

As shown in fig. 4-5, in one embodiment, the valve seat outlet and the valve plug adopt a tapered structure, forming a face seal structure 11. The plug of the exhaust valve is processed into a conical sealing head 7 by adopting a PTFE material, and the exhaust valve core adopts a structure of two sealing rings 6. The outlet of the valve seat and the plug of the valve core adopt a conical structural design to form a surface sealing structure, so that sealing is easier. The exhaust valve plug is made of smooth PTFE material which is not easy to wear and is processed into a conical sealing head, so that tight fit with the valve seat surface is ensured. The design of two sealing rings effectively prevents leakage. And to ensure integrity testing is error free.

In one embodiment, a pressure gauge interface is arranged on the upper part of the exhaust valve on the shell cylinder. In order to facilitate the mastering of the pressure condition in the filter, a pressure gauge can be arranged on the interface according to the requirement.

Specifically, the valve seat of the exhaust valve is of an external thread structure 8, the inner surface 9 is smooth, and the exhaust valve is detachably connected with the shell barrel. The installation and the dismantlement are very convenient, are convenient for change the accessory.

The utility model discloses redesign and changed the interior outer structure of discharge valve and flowing back valve, promoted whole leakproofness to changed filter installation angle and mounted position and ensured the sanitary no dead angle. The design of the elevation angle of the horizontally-mounted exhaust valve of the traditional filter is changed, so that liquid in the exhaust valve which flows out of liquid after exhaust can automatically flow back into the cavity of the filter. The base drain valve moves to the lowest point of the inlet pipe, so that no accumulated liquid is left in the pipe and the drain valve, and the breeding of microorganisms can be avoided.

The verification proves that after the exhaust valve adopts an elevation structure, the exhaust is smooth, the sampling is convenient, and the exhaust valve is not influenced; after the filtration is finished, the exhaust valve is unscrewed, and no accumulated liquid or residue exists in the pipe. The requirements of high-cleanliness production links on no sanitary dead angles and no accumulated liquid of all pipelines and parts are met.

The above description is only an example of the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a remaining exhaust flowing back filter of no hydrops of health, includes filter housing barrel (2), its characterized in that set up discharge valve (1) and flowing back valve (4) on the housing barrel, this discharge valve is the angle of elevation with housing barrel installation water flat line, the bottom of housing barrel sets up filter feed liquor pipe (5), the bottom of filter feed liquor pipe sets up the flowing back valve.

2. The sanitary exhaust and drainage filter without residual accumulated liquid according to claim 1, wherein the elevation angle is more than or equal to 5 degrees, and the drainage valve is vertically arranged.

3. The sanitary exhaust and drainage filter without residual accumulated liquid according to claim 1 or 2, characterized in that the exhaust valve and the drainage valve comprise a valve seat (10) and a valve core, and the valve seat and the valve core are tightly screwed and sealed by nuts with internal threads (13) of the wide edge external knurls (12).

4. A sanitary exhaust and drainage filter without residual liquid accumulation according to claim 3, characterized in that the outlet of the valve seat and the plug of the valve core adopt a conical structure to form a face sealing structure (11).

5. The sanitary exhausting and draining filter without residual accumulated liquid according to claim 1, wherein the plug of the exhaust valve is made of PTFE material and is processed into a cone-shaped sealing head, and the exhaust valve core adopts a structure of two sealing rings (6).

6. A sanitary exhaust and drainage filter without residual liquid accumulation according to claim 1, characterized in that a pressure gauge port is arranged on the upper part of the exhaust valve on the outer shell cylinder (2).

7. The sanitary exhausting and draining filter without residual accumulated liquid according to claim 1, wherein the valve seat of the exhaust valve is of an external thread structure, and the exhaust valve is detachably connected with the shell cylinder.