CN207641077U - A kind of chemical reagent filter - Google Patents
A kind of chemical reagent filter Download PDFInfo
- Publication number
- CN207641077U CN207641077U CN201721008180.3U CN201721008180U CN207641077U CN 207641077 U CN207641077 U CN 207641077U CN 201721008180 U CN201721008180 U CN 201721008180U CN 207641077 U CN207641077 U CN 207641077U
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- CN
- China
- Prior art keywords
- filter
- annular
- layer
- chemical reagent
- negative pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of chemical reagent filter,Including upper shell and lower housing,Upper shell is fixedly connected with lower housing by ring flange,Filter chamber is formed inside upper shell,The inside of lower housing forms negative pressure cavity,Filter chamber upper wall is equipped with first annular groove,The side wall of vertical filter chamber is equipped with first annular convex block,Cylindrical filter layer is additionally provided in filter chamber,One end of cylindrical filter layer is located in first annular groove,The other end is fixed on first annular convex block,The side wall of filter chamber is equipped with spiral guiding plate,Spiral guiding plate is located between the side wall and cylindrical filter layer of filter chamber,The side wall of vertical negative pressure cavity is equipped with the second annular lug,The inner wall of second annular lug is equipped with second annular groove,Activity is inserted with filter plate in second annular groove,Filter paper fixed ring is coaxially arranged on filter plate,It is fixed with filter paper in filter paper fixed ring,The utility model uses multistage filtering form,Filter efficiency is high,Filter layer is readily disassembled replacement.
Description
Technical field
The utility model belongs to chemical filtration unit technical field, more particularly, to a kind of chemical reagent filter.
Background technology
Chemical reagent filter is the small units such as small-sized pharmaceutical factory, food and drink and laboratory filtering liquid, clarifies and remove
The preferred product of bacterium processing generally uses filter paper negative pressure filtration currently, in chemical process, on the one hand, uses single-stage mistake
The form of filter, the sundries in reagent, which is deposited on filter paper, forms filter cake, causes filter cake more and more thicker, the transmission ability drop of liquid
It is low, cause filter efficiency to reduce；On the other hand, existing chemical reagent filter is integrally machined by stainless steel, is caused
Inner filtration layer replacement not easy to remove, filter housings cleaning are difficult.
Invention content
Problem to be solved in the utility model is to provide a kind of easy using multistage filtering form, filter efficiency height, filter layer
In the chemical reagent filter of dismounting and change.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of chemical reagent filter, including
Filter body, the filter body include upper shell and lower housing, and the lower face of the upper shell is equipped with first flange disk,
The upper surface of the lower housing be equipped with the matched second flange disk of the first flange disk, the upper shell and lower housing pass through
The first flange disk is fixedly connected with second flange valve snail bolt, and filter chamber is formed inside the upper shell, the lower housing
Inside forms negative pressure cavity, and the filter chamber upper wall is equipped with first annular groove, the first annular groove and the filter chamber
Coaxial arrangement, the side wall of the vertical filter chamber are equipped with first annular convex block, the first annular convex block with it is described first annular
Groove is coaxially disposed, and the internal diameter of the first annular convex block is equal with the outer diameter of the first annular groove, the filtering
Intracavitary is additionally provided with cylindrical filter layer, and the internal diameter of the cylindrical filter layer is equal with the internal diameter of the first annular groove, institute
The one end for stating cylindrical filter layer is located in the first annular groove, and another terminal bolt of the cylindrical filter layer is fixed on
On the first annular convex block, the side wall of the filter chamber is equipped with spiral guiding plate, and the spiral guiding plate is located at institute
It states between the side wall of filter chamber and cylindrical filter layer, the sidewall upper of the upper shell is equipped with feed inlet, the vertical negative pressure
The side wall of chamber is equipped with the second annular lug, and second annular lug is coaxially disposed with the negative pressure cavity, second convex annular
The inner wall of block is equipped with second annular groove, in the second annular groove activity set on the filter plate inserted with filter plate
There are several filter hole, the filter chamber to be connected by the filter hole with negative pressure cavity, be coaxially arranged on the filter plate
Filter paper fixed ring, filter paper is fixed in the filter paper fixed ring, and the diameter of the filter paper fixed ring is less than the filter plate
The side wall of diameter, the lower housing is equipped with bleeding point, and the lower end of the lower housing is equipped with discharge port.
Further, the first flange disk and the upper casing body by integral forming, the second flange disk and the lower casing
Body by integral forming.
Further, the cylindrical filter layer from outside to inside successively include filter layer of cloth and sieve plate layer, the sieve plate layer
Screen size is 18 mesh.
Further, the junction of the first flange disk and second flange disk is equipped with sealing ring, and the sealing ring is poly-
Tetrafluoroethene sealing ring.
Further, the lower face of the negative pressure cavity is to be obliquely installed, and the discharge port is located at the negative pressure cavity lower face
Low side.
Further, the filter plate is stainless steel filter plate.
Compared with prior art, the utility model has the advantage that is with advantageous effect：
1, chemical reagent is carried out level-one by the utility model by cylindrical filter layer first by the way of multistage filtering
After filtering, then by the suction-operated of negative pressure chamber, so that the chemical reagent after by-pass filtration is carried out secondary filtration by filter paper, pass through
By-pass filtration can fall the filtering foreign in chemical reagent, and a large amount of sundries is effectively prevent to be stacked on filter paper, influence filtering effect
Rate, while in by-pass filtration, leading to again after the guide functions for passing through spiral guiding plate by the chemical reagent of feed inlet entrance
Cylindrical filter layer is crossed, chemical reagent can be disperseed to be filtered, improved the filter area in the chemical reagent unit interval, carry
Filtration efficiency, while by the guide functions of spiral guiding plate, the chemical reagent of entrance can be made to have one to filter layer of cloth
Fixed souring washes away the sundries accumulated on filter layer of cloth, improves filter efficiency；
2, the utility model filter body is fixedly connected with lower housing by flange plate bolt by upper shell, convenient for mistake
Filter body is dismantled, and is conducive to the replacement to cylindrical filter layer and filter paper, while convenient for upper shell and lower housing
Cleaning.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of chemical reagent filter of the utility model.
Fig. 2 is a kind of structural schematic diagram of the upper shell of chemical reagent filter of the utility model.
Fig. 3 is a kind of structural schematic diagram of the filter plate of chemical reagent filter of the utility model.
In figure：1- upper shells；2- lower housings；3- first flange disks；4- second flange disks；5- filter chambers；6- negative pressure cavities；7-
First annular groove；The first annular convex blocks of 8-；9- cylindrical filter layers；10- spiral guiding plates；11- feed inlets；12- second
Annular lug；13- second annular grooves；14- filter plates；15- filter hole；16- filter paper fixed rings；17- filter paper；18- bleeding points；
19- discharge ports；20- filter layer of cloth；21- sieve plate layers；22- sealing rings.
Specific implementation mode
It elaborates below in conjunction with the accompanying drawings to specific embodiment of the present utility model.
As shown in Figure 1, Figure 2 and Figure 3, a kind of chemical reagent filter, including filter body, filter body include upper
The lower face of shell 1 and lower housing 2, upper shell 1 is equipped with first flange disk 3, and the upper surface of lower housing 2 is equipped with and first flange disk
3 matched second flange disks 4, upper shell 1 and lower housing 2 are fixedly connected by first flange disk 3 with 4 bolt of second flange disk,
The junction of first flange disk 3 and second flange disk 4 is equipped with sealing ring 22, improves the sealing effect of filter body, prevents liquid
Body leaks, and sealing ring 22 is teflon seal ring, and ageing-resistant performance and Corrosion Protection are good, and service life is long, upper casing
1 inside of body forms filter chamber 5, and the inside of lower housing 2 forms negative pressure cavity 6, and 5 upper wall of filter chamber is equipped with first annular groove 7, the
One annular groove 7 is coaxially disposed with filter chamber 5, and the side wall of vertical filter chamber 5 is equipped with first annular convex block 8, first annular convex block 8
It is coaxially disposed with first annular groove 7, and the internal diameter of first annular convex block 8 is equal with the outer diameter of first annular groove 7, filtering
Cylindrical filter layer 9 is additionally provided in chamber 5, the internal diameter of cylindrical filter layer 9 is equal with the internal diameter of first annular groove 7, cylindrical shape
One end of filter layer 9 is located in first annular groove 7, and another terminal bolt of cylindrical filter layer 9 is fixed on first annular convex block 8
On, the side wall of filter chamber 5 is equipped with spiral guiding plate 10, and spiral guiding plate 10 is located at the side wall and cylindrical shape of filter chamber 5
Between filter layer 9, chemical reagent can be disperseed to be filtered, improve the filter area in the chemical reagent unit interval, improve
Filter efficiency, while by the guide functions of spiral guiding plate 10, the chemical reagent of entrance can be made to cylindrical filter layer 9
With certain souring, the sundries accumulated on cylindrical filter layer 9 is washed away, improves filter efficiency, the side of upper shell 1
Wall upper end is equipped with feed inlet 11, feed inlet 11 and feed pump piping connection, it would be desirable to which the chemical reagent being filtered passes through charging
Mouth 11 is pumped into filter chamber 5, and the side wall of vertical negative pressure cavity 6 is equipped with the second annular lug 12, the second annular lug 12 and negative pressure
Chamber 6 is coaxially disposed, and the inner wall of the second annular lug 12 is equipped with second annular groove 13, in second annular groove 13 activity be inserted into
There are filter plate 14, filter plate 14 to be equipped with several filter hole 15, filter chamber 5 is connected with negative pressure cavity 6 by filter hole 15, mistake
Be coaxially arranged with filter paper fixed ring 16 on filter plate 14, be fixed with filter paper 17 in filter paper fixed ring 16, filter paper fixed ring 16 it is straight
Diameter is less than the diameter of filter plate 14, and the side wall of lower housing 2 is equipped with bleeding point 18, and the lower end of lower housing 2 is equipped with discharge port 19, takes out
Gas port 18 and aspiration pump piping connection, aspiration pump are made to form negative pressure in negative pressure cavity 6, be passed through by the air-extraction function of bleeding point 18
9 filtered liquid of cylindrical filter layer carries out secondary filter by filter paper 17 by the suction function of negative pressure cavity 6, has filtered
At chemical reagent be collected by discharge port 19.
Further, the first flange disk 3 and the upper shell 1 are integrally formed, the second flange disk 4 with it is described under
Shell 2 is integrally formed.
Further, cylindrical filter layer 9 includes from outside to inside filter layer of cloth 20 and sieve plate layer 21 successively, and filter layer of cloth 20 can be with
It is bundled or is sewed on sieve plate layer 21 by cotton rope, the screen size of sieve plate layer 21 is 18 mesh, passes through filter layer of cloth 20 and sieve plate layer
21 filtering foreign by diameter in chemical reagent more than 18 mesh, that is, 1mm falls, good filtration effect, while reducing follow-up filter paper filtering
When sundries accumulation, improve filter efficiency.
Further, the lower face of the negative pressure cavity 6 is to be obliquely installed, and the discharge port 19 is located under the negative pressure cavity 6
The low side of end face is conducive to filtered chemical reagent and is flowed out at discharge port 19.
Further, the filter plate 14 is stainless steel filter plate, and good corrosion resistance is suitable for most chemistry and tries
Agent improves the scope of application.
The working process of the utility model is as follows：Chemical reagent is entered by feed inlet 11 in filter chamber 5 first, passes through spiral shell
The guide functions for revolving shape deflector 10 increase the contact area with cylindrical filter layer 9 in the chemical reagent unit interval, chemistry
It after by-pass filtration of the reagent by cylindrical filter layer 9, enters on filter paper 17, by the air-extraction function of bleeding point 18, makes to bear
Chamber 6 is pressed to form negative pressure, the by-pass filtration liquid entered on filter paper 17 enters negative pressure cavity 6 by the filter paper 17 that acts through of negative pressure
In, after the completion of filtering, filtered chemical reagent is collected by discharge port 19.
When the sundries accumulation on filter chamber 5 and filter paper 17 is excessive, upper shell 1 and lower housing 2 are dismantled, by upper shell 1
Bolt dismantling between interior cylindrical filter layer 9 and first annular convex body 8 gets off, under disassembling cylindrical filter layer 9
To be cleaned, while the filter plate 14 on lower housing 2 being taken out in second annular groove 13, it, will be new after cleaning up
Filter paper 17 is fixed in filter paper fixed ring 16, after upper shell 1 and lower housing 2 are cleaned up, by cylindrical filter layer 9 and filtering
Plate 14 re-assemblies, and is filtered process.
Chemical reagent is carried out level-one by the utility model by cylindrical filter layer 9 first by the way of multistage filtering
After filtering, then by the suction-operated of negative pressure chamber 6, so that the chemical reagent after by-pass filtration is passed through filter paper 17 and carries out secondary filtration,
The filtering foreign in chemical reagent can be fallen by by-pass filtration, a large amount of sundries is effectively prevent to be stacked on filter paper 17, influenced
Filter efficiency, while in by-pass filtration, the water conservancy diversion that spiral guiding plate 10 is passed through by the chemical reagent that feed inlet 11 enters
Chemical reagent can be disperseed to be filtered, improved in the chemical reagent unit interval by cylindrical filter layer 9 again after effect
Filter area improves filter efficiency, while by the guide functions of spiral guiding plate 10, can make the chemical reagent pair of entrance
Filter layer of cloth 20 has certain souring, and the sundries accumulated on filter layer of cloth 20 is washed away, and improves filter efficiency.
The utility model filter body is fixedly connected with lower housing 2 by flange plate bolt by upper shell 1, convenient for mistake
Filter body is dismantled, and is conducive to the replacement to cylindrical filter layer 9 and filter paper 17, while convenient for upper shell 1 and lower casing
The cleaning of body 2.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all still belong within the patent covering scope of the utility model.
Claims (5)
1. a kind of chemical reagent filter, including filter body, it is characterised in that：The filter body include upper shell and
The lower face of lower housing, the upper shell is equipped with first flange disk, and the upper surface of the lower housing is equipped with and the first flange
The matched second flange disk of disk, the upper shell and lower housing are fixed by the first flange disk and second flange valve snail bolt to be connected
It connects, forms filter chamber inside the upper shell, the inside of the lower housing forms negative pressure cavity, and the filter chamber upper wall is equipped with the
One annular groove, the first annular groove are coaxially disposed with the filter chamber, and the side wall of the vertical filter chamber is equipped with first
Annular lug, the first annular convex block is coaxially disposed with the first annular groove, and the first annular convex block is interior
Diameter is equal with the outer diameter of the first annular groove, and cylindrical filter layer, the cylindrical filter are additionally provided in the filter chamber
The internal diameter of layer is equal with the internal diameter of the first annular groove, and one end of the cylindrical filter layer is positioned at described first annular recessed
In slot, another terminal bolt of the cylindrical filter layer is fixed on the first annular convex block, the cylindrical filter layer by
Outer includes filter layer of cloth and sieve plate layer successively in, and the screen size of the sieve plate layer is 18 mesh, is set on the side wall of the filter chamber
There is spiral guiding plate, the spiral guiding plate to be located between the side wall and cylindrical filter layer of the filter chamber, it is described on
The sidewall upper of shell is equipped with feed inlet, and the side wall of the vertical negative pressure cavity is equipped with the second annular lug, second convex annular
Block is coaxially disposed with the negative pressure cavity, and the inner wall of second annular lug is equipped with second annular groove, second annular
Activity is equipped with several filter hole inserted with filter plate, the filter plate in groove, and the filter chamber and negative pressure cavity pass through institute
It states filter hole to be connected, filter paper fixed ring is coaxially arranged on the filter plate, filter paper is fixed in the filter paper fixed ring,
The diameter of the filter paper fixed ring is less than the diameter of the filter plate, and the side wall of the lower housing is equipped with bleeding point, under described
The lower end of shell is equipped with discharge port.
2. a kind of chemical reagent filter according to claim 1, it is characterised in that：The first flange disk with it is described on
Shell is integrally formed, the second flange disk and the lower casing body by integral forming.
3. a kind of chemical reagent filter according to claim 1, it is characterised in that：The first flange disk and the second method
The junction of blue disk is equipped with sealing ring, and the sealing ring is teflon seal ring.
4. a kind of chemical reagent filter according to claim 1, it is characterised in that：The lower face of the negative pressure cavity is to incline
Tiltedly setting, the discharge port are located at the low side of the negative pressure cavity lower face.
5. a kind of chemical reagent filter according to claim 1, it is characterised in that：The filter plate filters for stainless steel
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721008180.3U CN207641077U (en) | 2017-08-11 | 2017-08-11 | A kind of chemical reagent filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721008180.3U CN207641077U (en) | 2017-08-11 | 2017-08-11 | A kind of chemical reagent filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207641077U true CN207641077U (en) | 2018-07-24 |
Family
ID=62885847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721008180.3U Expired - Fee Related CN207641077U (en) | 2017-08-11 | 2017-08-11 | A kind of chemical reagent filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207641077U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185106A (en) * | 2018-09-18 | 2019-01-11 | 安庆市睿霞机械有限公司 | A kind of wear-resisting type vacuum pump private filter |
| CN110090482A (en) * | 2018-08-06 | 2019-08-06 | 安尼康（福建）环保设备有限公司 | A kind of dismountable closed grid maker |
| CN110407426A (en) * | 2019-07-28 | 2019-11-05 | 福建工程学院 | A kind of sludge pre-thickening device and sludge treating system and processing method |
| CN111056684A (en) * | 2019-12-31 | 2020-04-24 | 常州庆源机械科技有限公司 | Dielectric liquid filtering, separating and recycling device of spark erosion drilling machine |
-
2017
- 2017-08-11 CN CN201721008180.3U patent/CN207641077U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090482A (en) * | 2018-08-06 | 2019-08-06 | 安尼康（福建）环保设备有限公司 | A kind of dismountable closed grid maker |
| CN109185106A (en) * | 2018-09-18 | 2019-01-11 | 安庆市睿霞机械有限公司 | A kind of wear-resisting type vacuum pump private filter |
| CN110407426A (en) * | 2019-07-28 | 2019-11-05 | 福建工程学院 | A kind of sludge pre-thickening device and sludge treating system and processing method |
| CN111056684A (en) * | 2019-12-31 | 2020-04-24 | 常州庆源机械科技有限公司 | Dielectric liquid filtering, separating and recycling device of spark erosion drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20190811 |