CN215822596U - Stainless steel precision filter - Google Patents

Abstract

The utility model relates to a stainless steel precision filter, including last barrel, lower barrel, first filter cartridge, second filter cartridge, blow off pipe and low head, the bottom of going up the barrel connect in the barrel top down, the barrel bottom connect in the low head top down, the top of blow off pipe communicate in the low head bottom, just go up the barrel down with the low head forms an inclosed space, first filter cartridge sets up in the space and lie in go up the barrel bottom, the second filter cartridge sets up in the space and lie in the barrel bottom down, it is provided with the air-supply line respectively and goes out the tuber pipe to go up barrel top both sides, air-supply line one end sets up the connecting pipe and extends to second filter cartridge below and court the low head inner wall discharges compressed gas. The application has the following expected technical effects: this filter filters through a plurality of filter cartridges, and effectual profit and the impurity of having filtered among the compressed air make compressed air's quality obtain further promotion, and this structure is removable installation, and the internals is changed conveniently, simple to use.

Description

Stainless steel precision filter

Technical Field

The application relates to the technical field of compressed air filtering equipment, in particular to a stainless steel precision filter.

Background

The filter is an indispensable device on a medium conveying pipeline, and is usually arranged at the inlet end of a pressure reducing valve, a pressure relief valve or other equipment to eliminate impurities in the medium so as to protect the normal use of the valve and the equipment. Pneumatic equipment is extensive in medical treatment, pharmacy, and application such as food chemical industry, and this field is higher to compressed air's quality requirement, and the bacterium is bred to inside easy adhesion impurity of most filters on the market and profit, can appear corroding internals after the live time overlength.

SUMMERY OF THE UTILITY MODEL

In order to improve the inside problem of breeding the bacterium easily and appearing corrosion phenomena, the application provides stainless steel precision filter. The application provides stainless steel precision filter adopts following technical scheme: the utility model provides a stainless steel precision filter, includes barrel, lower barrel, first filter cartridge, second filter cartridge, blow off pipe and low head, the top of blow off pipe communicate in the low head bottom, lower barrel bottom connect in the low head top, the bottom of going up the barrel connect in the barrel top down, just go up the barrel down the barrel with the low head forms an inclosed space, first filter cartridge sets up in the space and be located go up the barrel bottom, the second filter cartridge sets up in the space and be located the barrel bottom down, it is provided with the air-supply line respectively and goes out the tuber pipe to go up barrel top both sides, air-supply line one end sets up the connecting pipe and extends to second filter cartridge below and court the low head inner wall discharges compressed gas. Through adopting above-mentioned technical scheme, go up barrel, barrel and low head and be formed with an inclosed space, this space provides stable mounted position for first cartridge and second cartridge, and the blow off pipe is convenient for discharge the inside profit of filter and impurity, and centralized processing is convenient. Compressed gas enters the connecting pipeline through the air inlet pipe and is discharged to the lower portion of the second filter box, the connecting pipe discharges the compressed gas towards the lower end cover, the compressed gas moves upwards to the second filter box and is filtered, the filtered compressed gas moves upwards again to the first filter box and is discharged through the air outlet pipe, and oil water and impurities after filtering are discharged through the sewage discharge pipe. This filter filters through a plurality of filter cartridges, and effectual profit and the impurity of having filtered among the compressed air make compressed air's quality obtain further promotion, and this structure is removable installation, and the internals is changed conveniently, simple to use. Optionally, an activated carbon filter cotton layer is arranged in the first filter box. Through adopting above-mentioned technical scheme, the cotton layer of active carbon filter can effectively filter dust particle and peculiar smell in the compressed air, has further improved the compressed air quality, reaches the effect of degerming. Optionally, the second filter cartridge comprises a borosilicate layer, a glass fiber male layer, an activated carbon fiber layer and a plurality of non-woven fabric layers. Through adopting above-mentioned technical scheme, the second is strained the box and is the multilayer filtration, effectively filters profit and impurity in the compressed air, lets the compressed air reach the high-quality compressed air that does not have oil, free of impurity. Optionally, the top and the bottom of the first filter cartridge and the second filter cartridge are both provided with a stainless steel filter screen layer. Through adopting above-mentioned technical scheme, the stainless steel filters the stratum reticulare and makes the filter cartridge more firm, and the stainless steel filters the stratum reticulare corrosion resistance strong, and the flow is big, simple manufacture, convenient to use. Optionally, the bottom of the upper cylinder and the top of the lower cylinder are both provided with matched sealing flanges, and the sealing flanges are locked and fixed through fixing bolts. Through adopting above-mentioned technical scheme, the installation of sealed ring flange cooperation bolt is more firm, and the leakproofness is good, and compressive strength is big, the later maintenance of being convenient for. Optionally, the blow off pipe is circular pipe, blow off pipe both ends are removable installation. Through adopting above-mentioned technical scheme, circular pipe inner space is bigger, is convenient for discharge the great impurity of granule, prevents inside jam, and removable assembly is convenient for change and installation simple to use simultaneously. Optionally, a manual ball valve is arranged on one side of the sewage draining pipe. Through adopting above-mentioned technical scheme, inside profit and impurity of manual ball valve expert regular opening discharge, the centralized processing of being convenient for. Optionally, the upper cylinder, the lower cylinder, the sewage discharge pipe, the lower seal head and the connecting pipeline are made of stainless steel materials, and the inner side and the outer side of the connecting pipeline are subjected to mirror surface treatment. Through adopting above-mentioned technical scheme, stainless steel after the polishing of inside and outside top layer mirror surface can prevent that oily water and impurity from depending on the filter inner wall in the air, breeding the bacterium, effectively prevents filter internal corrosion, and air resistance is little. In summary, the present application includes at least one of the following beneficial technical effects: the upper cylinder body, the lower cylinder body and the lower end enclosure form a closed space, the space provides a stable mounting position for the first filter box and the second filter box, the sewage discharge pipe is convenient for discharging oil, water and impurities inside the filter, and the centralized processing is convenient. Compressed gas enters the connecting pipeline through the air inlet pipe and is discharged to the lower portion of the second filter box, the connecting pipe discharges the compressed gas towards the lower end cover, the compressed gas moves upwards to the second filter box and is filtered, the filtered compressed gas moves upwards again to the first filter box and is discharged through the air outlet pipe, and oil water and impurities after filtering are discharged through the sewage discharge pipe. The filter filters through a plurality of filter boxes, effectively filters oil water and impurities in the compressed air, and further improves the quality of the compressed air, and the structure is detachably mounted, so that internal parts are convenient to replace and the filter is simple to use; and 2, the stainless steel after mirror polishing treatment of the inner surface layer and the outer surface layer can prevent oil water and impurities in the air from attaching to the inner wall of the filter to breed bacteria, effectively prevent the inside of the filter from being corroded, and has small air resistance.

Drawings

Fig. 1 is a schematic structural view of a stainless steel precision filter according to an embodiment of the present application. Description of reference numerals: 1. an upper cylinder body; 2. a lower cylinder body; 3. a first filter cartridge; 4. a second filter cartridge; 5. a blow-off pipe; 6. a lower end enclosure; 11. an air inlet pipe; 12. an air outlet pipe; 13. a connecting pipe; 21. sealing the flange; 31. a stainless steel filter screen layer; 32. an activated carbon filter cotton layer; 41. a borosilicate layer; 42. a glass fiber male layer; 43. an activated carbon fiber layer; 44. a plurality of non-woven fabric layers; 51. a manual ball valve.

Detailed Description

The present application is described in further detail below with reference to fig. 1. The embodiment of the application discloses stainless steel precision filter. Referring to fig. 1, including last barrel 1, lower barrel 2, first filter box 3, second filter box 4, blow off pipe 5 and low head 6, the bottom of going up barrel 1 is connected in 2 tops of barrel down, 2 bottoms of lower barrel are connected in 6 tops of low head, the top of blow off pipe 5 communicates in 6 bottoms of low head, and go up barrel 1, lower barrel 2 and low head 6 form an inclosed space, first filter box 3 sets up in the space and is located barrel 1 bottom, second filter box 4 sets up in the space and is located barrel 2 bottoms down, this space provides stable mounted position for first filter box 3 and second filter box 4, blow off pipe 5 is convenient for discharge the inside profit and the impurity of filter, centralized processing is convenient. An air inlet pipe 11 and an air outlet pipe 12 are respectively arranged on two sides of the top of the upper barrel 1, and a connecting pipe 13 is arranged at one end of the air inlet pipe 11, extends to the lower part of the second filter box 4 and discharges compressed gas towards the inner wall of the lower end enclosure 6. Compressed gas enters the connecting pipe 13 through the air inlet pipe and is discharged to the lower part of the second filter box 4, the connecting pipe 13 discharges the compressed gas towards the lower end cover 6, the compressed gas moves upwards to the second filter box 4 to be filtered, the filtered compressed gas moves upwards again to the first filter box 3 to be filtered and then is discharged through the air outlet pipe, and the filtered oil water and impurities are discharged through the drain pipe 5. This filter filters through a plurality of filter cartridges, and effectual profit and the impurity of having filtered among the compressed air make compressed air's quality obtain further promotion, and this structure is removable installation, and the internals is changed conveniently, simple to use. Set up in the first box 3 of straining and filter cotton layer 32 for the active carbon, active carbon filters cotton layer 32 and can effectively filter dust particle and peculiar smell among the compressed air, has further improved the compressed air quality, reaches the effect of degerming. The second cartridge 4 comprises a borosilicate layer 41, a glass fiber male layer 42, an activated carbon fiber layer 43 and a plurality of nonwoven fabric layers 44. The second filter box 4 is multi-layer filtering, effectively filters oil water and impurities in the compressed air, and leads the compressed air to achieve high-quality compressed air without oil or impurities. The top and bottom of the first and second cartridges 3 and 4 are provided with a stainless steel filter mesh layer 31. The stainless steel filter screen layer 31 enables the filter box to be more stable, and the stainless steel filter screen layer 31 is strong in corrosion resistance, large in flow, simple to manufacture and convenient to use. The bottom of the upper barrel body 1 and the top of the lower barrel body 2 are both provided with matched sealing flanges 21, and the sealing flanges 21 are locked and fixed through fixing bolts. The 21 disks of the sealing flange are matched with the bolts to be installed more stably, the sealing performance is good, the compressive strength is high, and the later maintenance is facilitated. The blow-off pipe 5 is a circular pipe, and both ends of the blow-off pipe 5 are detachably mounted. Circular tube inner space is bigger, is convenient for discharge the great impurity of granule, prevents inside jam, and removable assembly is convenient for change and installation simple to use simultaneously. One side of the sewage draining pipe 5 is provided with a manual ball valve 51. Manual ball valve 51 is through opening the inside profit of emission and impurity regularly, and the centralized processing of being convenient for goes up barrel 1, lower barrel 2, blow off pipe 5, low head 6 and connecting pipe 13 way and is the stainless steel material that has been handled through mirror finish, and stainless steel after the mirror finish of interior external surface layer can prevent that oil and impurity from depending on the filter inner wall in the air, breeds the bacterium, effectively prevents filter internal corrosion, and air resistance is little. The implementation principle of the stainless steel precision filter of the embodiment of the application is as follows: compressed gas enters the connecting pipe 13 through the air inlet pipe and is discharged to the lower part of the second filter box 4, the connecting pipe 13 discharges the compressed gas towards the lower end cover 6, the compressed gas moves upwards to the second filter box 4 to be filtered, the filtered compressed gas moves upwards again to the first filter box 3 to be filtered and then is discharged through the air outlet pipe, and the filtered oil water and impurities are discharged through the drain pipe 5. This filter filters through a plurality of filter cartridges, and effectual profit and the impurity of having filtered among the compressed air make compressed air's quality obtain further promotion, and this structure is removable installation, and the internals is changed conveniently, simple to use. The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A stainless steel precision filter which is characterized in that: including last barrel (1), lower barrel (2), first filter box (3), second filter box (4), blow off pipe (5) and low head (6), the bottom of last barrel (1) connect in barrel (2) top down, barrel (2) bottom connect in low head (6) top down, the top of blow off pipe (5) communicate in low head (6) bottom, just go up barrel (1) down barrel (2) with low head (6) form an inclosed space, first filter box (3) set up in the space and lie in go up barrel (1) bottom, second filter box (4) set up in the space and lie in barrel (2) bottom down, go up barrel (1) top both sides and be provided with air-supply line (11) and play tuber pipe (12) respectively, air-supply line (11) one end sets up connecting pipe (13) and extends to second filter box (4) below and court the low head (6) down (6) The inner wall discharges compressed gas.

2. The stainless steel precision filter of claim 1, wherein: an active carbon filter cotton layer (32) is arranged in the first filter box (3).

3. The stainless steel precision filter of claim 1, wherein: the second filter box (4) comprises a borosilicate layer (41), a glass fiber male layer (42), an activated carbon fiber layer (43) and a plurality of non-woven fabric layers (44).

4. The stainless steel precision filter of claim 3, wherein: the top and the bottom of the first filter box (3) and the second filter box (4) are respectively provided with a stainless steel filter screen layer (31).

5. The stainless steel precision filter of claim 1, wherein: the bottom of the upper cylinder body (1) and the top of the lower cylinder body (2) are respectively provided with a matched sealing flange (21), and the sealing flanges (21) are locked and fixed through fixing bolts.

6. The stainless steel precision filter of claim 1, wherein: the sewage draining pipe (5) is a circular pipe, and both ends of the sewage draining pipe (5) are detachably mounted.

7. The stainless steel precision filter of claim 6, wherein: and a manual ball valve (51) is arranged on one side of the sewage draining pipe (5).

8. The stainless steel precision filter of claim 1, wherein: go up barrel (1), barrel (2) down blow off pipe (5) down head (6) with connecting pipe (13) are said and are stainless steel and the inside and outside all has received mirror surface treatment.

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