CN213699021U - Filtering device for ionic membrane alkaline solution - Google Patents
Filtering device for ionic membrane alkaline solution Download PDFInfo
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- CN213699021U CN213699021U CN202021938544.XU CN202021938544U CN213699021U CN 213699021 U CN213699021 U CN 213699021U CN 202021938544 U CN202021938544 U CN 202021938544U CN 213699021 U CN213699021 U CN 213699021U
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- Prior art keywords
- filter
- filtering
- ionic membrane
- alkaline solution
- barrel
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- 238000001914 filtration Methods 0.000 title claims abstract description 68
- 239000012528 membrane Substances 0.000 title claims abstract description 21
- 239000012670 alkaline solution Substances 0.000 title claims description 13
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 16
- 239000003513 alkali Substances 0.000 claims description 10
- 239000002861 polymer material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 80
- 235000011121 sodium hydroxide Nutrition 0.000 abstract description 28
- 239000012535 impurity Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000002360 preparation method Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model belongs to the technical field of the filter, specific saying relates to a filter equipment of ionic membrane lye. Its structure is including the filtration barrel that has set up inlet and liquid outlet, sets up the division board in the cartridge filter, and the division board surface has a plurality of thru hole for fixed filter screen or filter bag, filters the barrel and has sealed lid, and sealed covering sets up exhaust hole and manometer, and the division board comprises spatial structure by upper plate and lower floor's board, and the two constitutes back taper or top form. The filtering device can quickly and effectively filter impurities in the caustic soda solution, and has the characteristics of good purifying effect, high working efficiency, simple operation and strong practicability.
Description
Technical Field
The utility model belongs to the technical field of the filter, specific saying relates to a filter equipment of ionic membrane lye.
Background
At present, the production of caustic soda in China mainly adopts an ion membrane electrolysis method, raw materials are crude salt (sodium chloride containing a large amount of impurities), and the caustic soda preparation method is divided into the procedures of rectification, brine refinement, brine electrolysis, liquid caustic soda evaporation, chlorine-hydrogen treatment, solid caustic soda production, waste gas absorption and the like according to the energy consumption condition in the production process.
The liquid alkali produced by the process is in a metal pipeline for a long time, a large amount of peeled heavy metals or oxides are formed and doped in the alkali liquor due to corrosion in the processing and transportation processes, and particularly, when large pressure difference or large liquid flow change occurs in processing equipment or pipelines, the inner wall of the pipeline is peeled in a flaky or dotted form due to generated liquid impact, and a large amount of black dotted impurities which are almost invisible to naked eyes or flaky heavy metal sediments which are visible to naked eyes are formed in a liquid alkali product. The production quality of the caustic soda is seriously reduced, the processing production line is also provided with great potential safety hazard, the conventional enterprises pay no particular attention to the filtration of the caustic soda impurities, and no special purifying equipment is available in the market.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an effectively filter impurity in the white liquor, purifying effect is good, work efficiency is high and easy operation, the strong filter equipment of ionic membrane lye of practicality.
In order to achieve the above object, the utility model adopts the following technical scheme:
a filter equipment of ion membrane alkali liquor which characterized in that: including the filtration barrel that has set up inlet and liquid outlet, set up the division board in the filtration barrel, the division board surface has a plurality of thru hole for fixed filter screen or filter bag, it has sealed lid to filter the barrel, set up exhaust hole and manometer on the sealed lid, the division board comprises spatial structure by top plate and lower floor's board, and the two constitutes back taper or top form.
The filtration device for the ionic membrane alkaline solution is characterized by further comprising the following technical characteristics:
-the sieve or bag is made of a thermoplastic polymer material including but not limited to pp, pe, ps or pvc; the filtering cylinder body is made of stainless steel;
the aperture of the filter screen or the filter bag is not more than 10 μm, and the pressure gauge is used for prompting that the pressure value for replacing the filter screen or the filter bag is 0.1 mp;
-a filter sand core is placed between the upper plate and the lower plate of the partition plate;
the body of the filtering cylinder is provided with an ┍ -shaped supporting arm, the horizontal section of the supporting arm is provided with a screw rod which penetrates through and is in threaded connection, one end of the screw rod is connected with the sealing cover, and the other end of the screw rod is provided with a spoke handle;
the edge of the sealing cover is hermetically connected with the opening of the filtering cylinder body through a plurality of bolt structures, and the exhaust hole is connected with the overflow pipe;
the bolt structure comprises a stud arranged on the edge of the opening of the filtering cylinder, one end of the stud is hinged to the edge of the opening of the filtering cylinder, the other end of the stud penetrates through a positioning pipe arranged on the edge of the sealing cover, the end part of the stud is matched with a screwing nut, and a hanging ring is arranged at the upper end of the screwing nut.
Compared with the prior art, the utility model provides a filter equipment of ionic membrane alkali lye has following advantage: firstly, because the separation plate is arranged in the filter cylinder body of the novel filtering device, the alkali liquor enters the filter cylinder body through the liquid inlet and flows over the separation plate, and internal impurities are screened out through the filtration of the filter screen or the filter bag on the surface of the separation plate, so that the purity of the alkali liquor is obviously improved, and the preparation quality of the caustic soda is improved; secondly, because the filtering cylinder body is provided with the sealing cover which is provided with the exhaust hole and the pressure gauge, the sealing purification of the caustic soda is realized, various impurities in the processing environment are prevented from polluting the caustic soda, the whole filtering program runs concealably, and the filtering program is safe and stable and the purification of the caustic soda is efficient and thorough; thirdly, compare with the current filtration equipment who is used for white liquor, this filter equipment simple structure is compact, and processing manufacturing is convenient, uses the simple operation, and the running cost is low, and economic benefits is good, and as the auxiliary assembly of current white liquor preparation production line, has better popularization and application and worth.
Drawings
Fig. 1 is a schematic structural diagram of a filtration device for ionic membrane alkaline solution according to the present invention;
fig. 2 is a comparison view of two kinds of three-dimensional structures formed by the partition plate of the ionic membrane alkali liquor filtering device.
Detailed Description
Referring to fig. 1 and fig. 2, the structure of the filtration device for ionic membrane alkaline solution provided by the present invention is schematically illustrated. The structure of the filtering device for the ionic membrane alkaline solution comprises a filtering cylinder 2 provided with a liquid inlet 11 and a liquid outlet 12, a partition plate 3 is arranged in the filtering cylinder 2, the surface of the partition plate 3 is provided with a plurality of through holes for fixing a filter bag 30 or a filter screen 30', the filtering cylinder 2 is provided with a sealing cover 4, the sealing cover 4 is provided with an exhaust hole 41 and a pressure gauge 42, the partition plate 3 is of a three-dimensional structure consisting of an upper plate 31 and a lower plate 32, and the upper plate and the lower plate form an inverted gyro-shaped a or an inverted cone-shaped b.
The working principle is as follows: the liquid inlet 11 of the device is connected with a caustic soda preparation pipeline, after caustic soda solution enters the filtering barrel 2, the caustic soda solution flows on the partition plate 3 in a overflowing manner and is filtered by the filter screen 30 'or the filter bag 30 on the partition plate 3, and impurities inside the caustic soda solution are screened out one by one, because the sealing cover 4 is arranged on the upper portion of the filtering barrel 2, the air inside the caustic soda solution is discharged completely through the exhaust hole 41, so that the sealed filtering of the caustic soda solution is realized in the filtering barrel 2, the pressure difference amplitude of two sides of the partition plate 3 is reflected by the pressure gauge 42 and is used for prompting the purification efficiency of the filter screen 30' or the filter bag 30, and the liquid inlet flow is.
The partition plate 3 is of a three-dimensional structure formed by an upper plate 31 and a lower plate 32, the upper plate 31 and the lower plate form an inverted gyroscope-shaped a or an inverted cone-shaped b, the upper plate 31 and the lower plate 32 form a double-layer filtering structure, the filtering times are increased, full filtering is ensured, impurities are thoroughly removed, the purity of caustic soda is improved, the filtering surface area is increased due to the three-dimensional structure of the gyroscope-shaped a or the inverted cone-shaped b, the filtering efficiency is improved, and the three-dimensional structure is suitable for the working standard of a high-flow caustic soda production;
it should be noted that the partition plate 3 divides the filtering cylinder 2 into an upper section and a lower section, the liquid inlet 11 is communicated with the upper section, the liquid outlet 12 is communicated with the lower section, the through holes on the partition plate 3 are uniformly distributed, the size and the number of the through holes are determined according to the area of the partition plate 3, the number is generally 4 to 12 from the viewpoint of convenient processing, and in the actual production, the number is generally set to 5, and the through holes are distributed in a plum blossom shape.
In the structure of the filtering device for the ionic membrane alkaline solution,
in order to enhance the filtering quality, the filter net 30' or the filter bag 30 is made of thermoplastic polymer material, including but not limited to pp, pe, ps or pvc, and the filtering layer made of the same is light and flexible, has dense meshes and high filtering efficiency; the filtering cylinder body 2 is made of stainless steel, the structural strength is high, the processing and the manufacturing are convenient, the materials of the filtering cylinder body and the filtering cylinder body are both resistant to strong alkali corrosion, and the service life is long;
as a preferred embodiment, the aperture of the filter screen 30 'or the filter bag 30 is not larger than 10 μm, which ensures that impurities formed or doped in the caustic soda liquid during the processing, preparation and transportation processes are screened out, the caustic soda liquid after filtration is completely purified to the maximum extent, further, the pressure gauge 42 is used for prompting that the pressure value for replacing the filter screen 30' or the filter bag 30 is 0.1mp, when the full liquid phase flow filtration is realized in the filter cylinder 2, the filter screen 30 'or the filter bag 30 on the partition plate 3 forms a pressure difference up and down, when the filtration efficiency is reduced, the display value of the pressure gauge 42 is larger than 0.1mp, which further prompts to replace the filter screen 30' or the filter bag 30, and the flow rate of the caustic soda liquid can be properly adjusted to ensure that the pressure value is within the normal range of 0.1 mp;
furthermore, a filtering sand core 33 is arranged between the upper plate 31 and the lower plate 32 of the partition plate 3 to form a filtering layer with a three-level composite structure, so that impurities and precipitates with various forms and types in the caustic soda can be filtered, the caustic soda purification effect is better, and particularly, the sand core 33 is arranged at the bottom of the stereoscopic structure of the gyro-shaped a or the inverted cone-shaped b to form a sand core funnel, so that the filtering efficiency is greatly improved;
the ┍ -shaped supporting arm 5 is arranged on the barrel body of the filtering barrel body 2, the screw rod 6 which penetrates through and is in threaded connection is arranged on the horizontal section of the supporting arm 5, one end of the screw rod 6 is connected with the sealing cover 4, the spoke handle 7 is arranged at the other end of the screw rod 6, the sealing cover 4 is tightly pressed on the opening of the filtering barrel body 2 through rotating the spoke handle 7, the sealing performance of the filtering barrel body 2 is improved, the device is safer and more stable to operate when being filtered in a full liquid phase, and the detection value of the barometer 42 has a reference significance;
furthermore, the edge of the sealing cover 4 is hermetically connected with the opening of the filtering cylinder 2 through a plurality of bolt structures 8, so that the connection strength of the sealing cover and the opening is enhanced, the whole structure of the device is tighter, the vent hole 41 is connected with the overflow pipe 411, safe drainage is realized, and the partition plate 3 and the filtering layer are prevented from being damaged due to overlarge pressure;
optionally, the bolt structure 8 includes a stud 80 disposed at the opening edge of the filtering cylinder 2, one end of the stud 80 is hinged to the opening edge of the filtering cylinder 2, the other end of the stud 80 penetrates through a positioning tube 81 disposed at the edge of the sealing cover 4, the end of the stud is matched with a screwing nut 82, the stud 80 is placed upwards, the end of the stud penetrates into the positioning tube 81 at the edge of the sealing cover 4, the screwing nut 82 is sleeved on the end of the stud, the bolt structure 8 is connected and locked, a hanging ring 83 is disposed at the upper end of the screwing nut 82, and therefore the bolt structure is convenient for hoisting operation of hoisting equipment, the filtering device is convenient to transport and carry, and application flexibility and applicability are improved.
Claims (7)
1. A filter equipment of ion membrane alkali liquor which characterized in that: including the filtration barrel that has set up inlet and liquid outlet, set up the division board in the filtration barrel, the division board surface has a plurality of thru hole for fixed filter screen or filter bag, it has sealed lid to filter the barrel, set up exhaust hole and manometer on the sealed lid, the division board comprises spatial structure by top plate and lower floor's board, and the two constitutes back taper or top form.
2. The ionic membrane alkaline solution filtering device as claimed in claim 1, wherein: the filter screen or the filter bag is made of thermoplastic polymer materials, including but not limited to pp, pe, ps or pvc; the filter cylinder is made of stainless steel.
3. The ionic membrane alkaline solution filtering device as claimed in claim 1, wherein: the aperture of the filter screen or the filter bag is not more than 10 mu m, and the pressure gauge is used for prompting that the pressure value for replacing the filter screen or the filter bag is 0.1 mp.
4. The ionic membrane alkaline solution filtering device as claimed in claim 1, wherein: and a filtering sand core is arranged between the upper plate and the lower plate of the partition plate.
5. The ionic membrane alkaline solution filtering device as claimed in claim 1, wherein: the body of filtering the barrel sets up ┍ form support arm, the horizontal segment of support arm sets up the screw rod that runs through and threaded connection, the one end of screw rod with sealed lid is connected, and its other end has the spoke handle.
6. The filtration apparatus for ionic membrane alkaline solution as claimed in claim 1 or 5, wherein: the edge of the sealing cover is in sealing connection with the opening of the filtering cylinder body through a plurality of bolt structures, and the exhaust hole is connected with the overflow pipe.
7. The ionic membrane alkaline solution filtering device as claimed in claim 6, wherein: the bolt structure is including setting up the double-screw bolt at filtering barrel opening border, the one end of double-screw bolt is articulated with filtering barrel opening border, and its other end runs through the setting and is in the registration arm at sealed lid border, its tip and the cooperation of the nut of screwing, the upper end of the nut of screwing sets up rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021938544.XU CN213699021U (en) | 2020-09-08 | 2020-09-08 | Filtering device for ionic membrane alkaline solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021938544.XU CN213699021U (en) | 2020-09-08 | 2020-09-08 | Filtering device for ionic membrane alkaline solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213699021U true CN213699021U (en) | 2021-07-16 |
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ID=76793014
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021938544.XU Active CN213699021U (en) | 2020-09-08 | 2020-09-08 | Filtering device for ionic membrane alkaline solution |
Country Status (1)
| Country | Link |
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| CN (1) | CN213699021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116022956A (en) * | 2022-12-14 | 2023-04-28 | 重庆文理学院 | Device and method for converting high-concentration waste liquid into energy storage electrolyte |
-
2020
- 2020-09-08 CN CN202021938544.XU patent/CN213699021U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116022956A (en) * | 2022-12-14 | 2023-04-28 | 重庆文理学院 | Device and method for converting high-concentration waste liquid into energy storage electrolyte |
| CN116022956B (en) * | 2022-12-14 | 2024-05-07 | 重庆文理学院 | A device and method for converting high-concentration waste liquid into energy storage electrolyte |
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