CN207871827U - Air accurate filter - Google Patents

Abstract

A kind of air accurate filter, it is in can-like including filter body, filter body, oil water separator, the filter body, the side wall of filter body is provided with suction nozzle, the bottom end of filter body is connected with drain valve, the top of filter body is covered with upper press cover, upper press cover is provided with outlet nozzle, and the oil water separator is arranged at suction nozzle；The filter body is cylindrical in shape and is arranged in the inside of filter body, gas channel is formed between the inner wall of filter body and the outer wall of filter body, the both ends Di Ding of filter body are respectively air intake and gas outlet, and gas channel is connected to the air intake of filter body, upper press cover is connected with the end sealing of filter body and outlet nozzle is connected to gas outlet.The utility model is filtered for multiple times and is settled to air, the filtration of filter body using by pass it is fine by the way of, so that air is effectively purified, filter effect is very excellent.

Description

Air accurate filter

Technical field

The utility model is related to air purification field, espespecially a kind of air accurate filter.

Background technology

Between the raising of current global environmental requirement, the environmentally friendly system specification further of application and Surface Processing Industry.Industry Safeguard procedures are big mainly for dirt, peculiar smell weight, environment closing, security problems.

The filter core of existing breathing circuit filter mostly uses greatly the single filtering of Simple filter cotton, and does not take by passing Mode, filtering precision are not achieved breathing standard, bring and seriously affect to health completely.It is wanted to meet industry standard Ask, improve production efficiency and improve worker's protection, it is necessary to be improved to breathing circuit filter.

Invention content

To solve the above problems, the utility model provides a kind of sky simple in structure, filtering precision height, good filtration effect Gas accurate filter.

To achieve the above object, the technical solution adopted in the utility model is：A kind of air accurate filter, including filtering Device ontology, filter body, oil water separator, the filter body are in can-like, and the side wall of filter body is provided with suction nozzle, mistake The bottom end of filter body is connected with drain valve, and the top of filter body is covered with upper press cover, and upper press cover is provided with outlet Mouth, the oil water separator are arranged at suction nozzle；

The filter body is cylindrical in shape and is arranged in the inside of filter body, the inner wall of filter body and filter body it is outer Forming gas channel between wall, the both ends Di Ding of filter body are respectively air intake and gas outlet, and gas channel and filter body Air intake is connected to, and upper press cover is connected with the end sealing of filter body and outlet nozzle is connected to gas outlet.

Specifically, the top fixing sleeve of the filter body is equipped with filter ring flange, the top fixing sleeve of filter body Equipped with filter core ring flange, the upper press cover, filter ring flange and filter core ring flange offer corresponding bolt hole, upper press cover It is closed in the top of filter body and and filter core by screw bolt passes upper press cover, filter ring flange and filter core flange disk cover The end sealing of body connects.

Specifically, it is pressed between the upper press cover and filter ring flange, between filter ring flange and filter core ring flange It is connected to seal washer.

Specifically, the upper press cover is provided with pressure display table and pressure safety valve.

Specifically, further include filter seat leg, the filter seat leg is fixedly attached to the outer wall of filter body, filters Device seat leg is decile triangle leg.

Specifically, protection steel ring is additionally provided on the filter seat leg, the protection steel ring is fixedly attached to grease point Surface from device.

Specifically, the filter body further includes stainless steel filter screen, and the inside of filter body is filtered by stainless steel filter screen edge The length direction even partition of core is six layers of filter layer, and filter layer fills haydite, coarse filtration cotton, activity respectively from the bottom to top Charcoal, in thin filter cotton, alumina particle, fine filtering cotton.

Specifically, the filtering precision of the stainless steel filter screen is fine by passing from the bottom to top.

Specifically, the filter body further includes upper network blocking lid, and the upper network blocking lid detachable cover closes the outlet in filter body Mouthful.

The beneficial effects of the utility model are：The utility model is first by oil water separator to being entered by suction nozzle Air carries out preliminary water-oil separating, and the impurity that gives up is discharged by the automatic drain valve of oil water separator bottom, and then air is sprayed onto filter Core outer wall, filter body outer wall capture grease and impurity extra in air again, and grease and impurity fall deposition to filter The bottom end of ontology is simultaneously discharged by drain valve, and more clean air by air intake enters filter body and by passing along through each filtering Layer, is finally discharged by outlet nozzle through the filtered pure air of filtering core.The utility model air be filtered for multiple times and Sedimentation, the filtration of filter body using by pass it is fine by the way of, so that air is effectively purified, filter effect is very excellent.

Description of the drawings

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model section structural schematic diagram；

Fig. 3 is the utility model explosive view；

Fig. 4 is the utility model filter body diagrammatic cross-section；

Fig. 5 is the utility model filter body schematic top plan view；

Fig. 6 is the utility model filter body elevational schematic view.

Drawing reference numeral explanation：

1. filter body；2. filter body；3. oil water separator；4. filter seat leg；

11. upper press cover；12. suction nozzle；13. outlet nozzle；14. drain valve；15. filter ring flange；16. gasket Circle；17. pressure display table；18. pressure safety valve；

21. filter core ring flange；23. gas outlet；24 air intakes；Network blocking lid on 25.；

41. protecting steel ring；

222. stainless steel filter screen；223. haydite；224. coarse filtration cottons；225. activated carbon；Thin filter cotton in 226.；227. Alumina particle；228. fine filtering cottons.

Specific implementation mode

Please refer to Fig.1-6, the utility model about a kind of air accurate filter, including filter body 1, filter body 2, Oil water separator 3, the filter body 1 are in can-like, and suction nozzle 12, mistake are provided on the side wall of 1 middle and lower part of filter body The bottom end of filter body 1 is connected with drain valve 14, and the top of filter body 1 is covered with upper press cover 11, and upper press cover 11 is set It is equipped with outlet nozzle 13, the oil water separator 3 is arranged at suction nozzle 12；

The filter body 2 is cylindrical in shape and is arranged in the inside of filter body 1, the inner wall and filter body 2 of filter body 1 Outer wall between form gas channel, the both ends Di Ding of filter body 2 are respectively air intake 24 and gas outlet 23, and gas channel with The air intake 24 of filter body 2 is connected to, and upper press cover 11 is connect with the end sealing of filter body 2 and outlet nozzle 13 connects with gas outlet 23 It is logical.

It is the flow path of air shown in Fig. 2 arrows：Air enters filter sheet by the suction nozzle 12 of filter body 1 Gas channel between body 1 and filter body 2, and filter body 2 is entered by the air intake 24 of 2 bottom end of filter body along gas channel, Finally it is discharged by the outlet nozzle 13 of the gas outlet 23 through filter body 1 on 2 top of filter body.

Period, air in total by filtering three times：

When being the oil water separator 3 that air passes through suction nozzle 12 for the first time, oil water separator 3 carries out preliminary grease to air Separation, the useless impurity of the automatic drain valve of 3 bottom of oil water separator effectively emission treatment；

When being that air is sprayed onto 2 outer wall of filter body along gas channel for the second time, it is extra in air that 2 outer wall of filter body captures again Grease and impurity, grease and impurity fall deposition and are discharged to the bottom end of filter body 1 and by drain valve 14；

Third time be air through 2 inside of filtering core when, the filtration of filter body 2 is used by passing fine reasonable side Formula effectively filters air, achievees the purpose that final pure air.

Specifically, the top fixing sleeve of the filter body 1 is equipped with filter ring flange 15, and the top of filter body 2 is solid Surely it is arranged with filter core ring flange 21, the upper press cover 11, filter ring flange 15 and filter core ring flange 21 offer corresponding Bolt hole, upper press cover 11 are closed by screw bolt passes upper press cover 11, filter ring flange 15 and filter core ring flange 21 lid in mistake The top of filter body 1 is simultaneously connect with the end sealing of filter body 2.

Using the above scheme, by screw bolt passes upper press cover 11, filter ring flange 15 and filter core ring flange 21, on Gland 11 forms a closed container with filter body 1, while upper press cover 11 is connect with the end sealing of filter body 2, from And forming an one-way flow space, i.e. air can only be entered by the suction nozzle 12 of filter body 1, through gas channel by entering gas Mouth 24 enters filter body 2, is finally discharged from the gas outlet of filter body 2 23 via the outlet nozzle 13 of filter body 1.Filter sheet Body 1 and upper press cover 11 are all made of seamless steel pipe welding, and the paint baking that dusts is done after sandblasting.

Specifically, between the upper press cover 11 and filter ring flange 15, filter ring flange 15 and filter core ring flange 21 Between be crimped with seal washer 16.

Using the above scheme, seal washer 16 further enhance between upper press cover 11 and filter ring flange 15, filter Sealing effect between ring flange 15 and filter core ring flange 21.

Specifically, the upper press cover 11 is provided with pressure display table 17 and pressure safety valve 18.

Using the above scheme, pressure display table 17 and pressure safety valve 18 are respectively used to observation pressure value and adjusting pressure is big It is small, it is protected convenient for observed pressure and pressure security.

Specifically, further include filter seat leg 4, the filter seat leg 4 is fixedly attached to the outer wall of filter body 1, Filter seat leg 4 is decile triangle leg.

Using the above scheme, use of filter seat leg 4 etc. divides triangle leg, places the center of gravity that foot bears filter, filter Foundation bolt hole is provided on ontology 1, filter seat leg 4 is fixedly connected by bolt with filter body 1, it is ensured that use process In stability.

Specifically, protection steel ring 41 is additionally provided on the filter seat leg 4, the protection steel ring 41 is fixedly attached to oil The surface of separator 3.

Using the above scheme, oil water separator 3, Neng Gouyou is supported by the way that protection steel ring 41 is arranged on filter seat leg 4 Effect protection oil water separator 3 and suction nozzle 12.

Fig. 4-6 is please referred to, specifically, the filter body 2 further includes stainless steel filter screen 222, and the inside of filter body 2 passes through Stainless steel filter screen 222 is six layers of filter layer along the length direction even partition of filter body 2, and filter layer is filled out respectively from the bottom to top Fill haydite 223, coarse filtration cotton 224, activated carbon 225, in thin filter cotton 226, alumina particle 227, fine filtering cotton 228.

Filter cotton can be divided by national standard (GB/T14295)：Slightly it is (first) effect, it is middle effect, efficiently, can be divided by Europe superscript：G1,G2, G3,G4,F5,F6,F7,F8。

Slightly (first) effect filter cotton (air port cotton) main filtration is more than 5 μm of dust particle, is generally used for ventilation equipment and sky At gas control system suction inlet as pre-filtering or coarse filtration etc. directly and outdoor air contact place；Also it is chiefly used in board-like mistake Filter folds leaf filter, the filtrate of the Filters such as bag filter.Primarily efficient filter wool can also be used in air feed system make Pre-filtering under being exposed for high dust；The pre-filtering supplied in paint finishing and apparatus for baking and current balance function filtrate material and spy Property.

Medium air filtration cotton (top cotton) main filtration is more than 1 μm of dust particle, is generally used for slightly imitating two after filtering Grade or ultimate filtering, are also chiefly used in the filtrate of leaf filter.

High efficiency filter cotton is mainly used in the extra high environment of the filtering requirements such as hospital or laboratory.

Using the above scheme, filtration using by pass it is fine by the way of, effectively by haydite 223, the hole of itself is caught The visible foreign in air is caught, activated carbon does fine filtering, and aluminium oxide does drying, in addition effectively being taken by the reasonable of thin filter cotton Match, to achieve the purpose that clean gas.

Specifically, the filtering precision of the stainless steel filter screen 222 is fine by passing from the bottom to top.

Using the above scheme, 222 cotton of stainless steel filter screen using by pass it is fine by the way of, every layer of filtering is effectively isolated Impurity, to reach best filter layer effect.

Specifically, the filter body 2 further includes upper network blocking lid 25, and upper 25 detachable cover of network blocking lid is closed in filter body 2 Gas outlet 23.

Using the above scheme, the upper lid of network blocking lid 25 is closed in the gas outlet of filter body 2 23, can further stop the miscellaneous of air Matter, and can disassemble at any time to clean the impurity of accumulation.

Specifically, the filter body 2 is made of the ABS materials of high intensity.

Using the above scheme, filter body 2 is made of the ABS materials of high intensity, and non-toxic and tasteless, impact strength is fabulous, resistance to Excellent, the good stability of the dimension of mill property, service life are long.

Specifically, the filter body 2 is integrally formed with filter core ring flange 21.

Using the above scheme, filter body 2 uses mold injection one-pass molding with filter core ring flange 21, simple in structure, manufacture It is convenient, it is suitable for mass production.

Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this The various modifications and improvement that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine It protects in range.

Claims (9)

1. a kind of air accurate filter, it is characterised in that：Including filter body, filter body, oil water separator, the filtering Device ontology is in can-like, and the side wall of filter body is provided with suction nozzle, and the bottom end of filter body is connected with drain valve, mistake The top of filter body is covered with upper press cover, and upper press cover is provided with outlet nozzle, and the oil water separator is arranged at suction nozzle；Institute It states filter body and is cylindrical in shape and is arranged and formed between the inside of filter body, the inner wall of filter body and the outer wall of filter body The both ends Di Ding of gas channel, filter body are respectively air intake and gas outlet, and gas channel is connected to the air intake of filter body, Upper press cover is connected with the end sealing of filter body and outlet nozzle is connected to gas outlet.

2. air accurate filter according to claim 1, it is characterised in that：The top fixing sleeve of the filter body Equipped with filter ring flange, the top fixing sleeve of filter body is equipped with filter core ring flange, the upper press cover, filter ring flange and filter Core ring flange offers corresponding bolt hole, and upper press cover passes through screw bolt passes upper press cover, filter ring flange and filter core Flange disk cover is closed on the top of filter body and is connect with the end sealing of filter body.

3. air accurate filter according to claim 2, it is characterised in that：The upper press cover and filter ring flange it Between, between filter ring flange and filter core ring flange be crimped with seal washer.

4. air accurate filter according to claim 1, it is characterised in that：The upper press cover is provided with pressure display table And pressure safety valve.

5. air accurate filter according to claim 1, it is characterised in that：Further include filter seat leg, the filtering Device seat leg is fixedly attached to the outer wall of filter body, and filter seat leg is decile triangle leg.

6. air accurate filter according to claim 5, it is characterised in that：It is additionally provided with guarantor on the filter seat leg Steel ring is protected, the protection steel ring is fixedly attached to the surface of oil water separator.

7. air accurate filter according to claim 1, it is characterised in that：The filter body further includes stainless steel filtering Net, the inside of filter body is six layers of filter layer along the length direction even partition of filter body by stainless steel filter screen, and is filtered Layer fill respectively from the bottom to top haydite, coarse filtration cotton, activated carbon, in thin filter cotton, alumina particle, fine filtering cotton.

8. air accurate filter according to claim 7, it is characterised in that：The filtering of the stainless steel filter screen is accurate Degree is fine by passing from the bottom to top.

9. air accurate filter according to claim 1, it is characterised in that：The filter body further includes upper network blocking lid, The upper network blocking lid detachable cover is closed in the gas outlet of filter body.