CN220802194U - A self-cleaning filtration system for separating amino resin salt - Google Patents
A self-cleaning filtration system for separating amino resin salt Download PDFInfo
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- CN220802194U CN220802194U CN202322607506.6U CN202322607506U CN220802194U CN 220802194 U CN220802194 U CN 220802194U CN 202322607506 U CN202322607506 U CN 202322607506U CN 220802194 U CN220802194 U CN 220802194U
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- buffer tank
- filter
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- 238000004140 cleaning Methods 0.000 title claims abstract description 76
- 150000003839 salts Chemical class 0.000 title claims abstract description 74
- 238000001914 filtration Methods 0.000 title claims abstract description 41
- 229920003180 amino resin Polymers 0.000 title claims abstract description 35
- 239000002904 solvent Substances 0.000 claims abstract description 74
- 229920005989 resin Polymers 0.000 claims abstract description 51
- 239000011347 resin Substances 0.000 claims abstract description 51
- 230000008676 import Effects 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 19
- 239000007791 liquid phase Substances 0.000 claims description 18
- 239000000706 filtrate Substances 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 8
- 238000000926 separation method Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 239000012043 crude product Substances 0.000 description 4
- 239000012065 filter cake Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 239000005456 alcohol based solvent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000006266 etherification reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model belongs to a self-cleaning filtration system for separating amino resin salt; including the feed liquor buffer tank, the feed liquor buffer tank links to each other with the amino resin salt import of self-cleaning filter equipment, and the resin discharge gate of self-cleaning filter equipment links to each other with the resin buffer tank, and the solvent salt discharge gate of self-cleaning filter equipment links to each other with the solvent salt buffer tank, and self-cleaning filter equipment's upper portion is equipped with and is used for carrying out abluent solvent import to the filter equipment has structural design rationally, can realize the filter equipment and self-cleaning, reduces artifical intensity of labour and avoids the characteristics of polluted environment.
Description
Technical Field
The utility model belongs to the technical field of amino resin recovery equipment, and particularly relates to a self-cleaning filtering system for separating amino resin salt.
Background
The conventional synthesis process of amino resin is that melamine and formaldehyde are subjected to addition reaction under alkaline condition, alcohol is used for further etherification under acidic condition, redundant solvent is removed, and then filtration is carried out, and salt and resin are separated to obtain a qualified resin product. In the production process of the existing resin device, about 133Kg/t of byproduct salt is produced per ton of resin, 65% -75% of resin is difficult to separate by a common filtering device during salt removal, a mixture system is viscous, slag removal is difficult to be carried out by vibration, namely: the filter cake is difficult to separate from the filter plate if the vibration is small; the connection between the filter plate and the pipeline is damaged due to excessive vibration, so that filtrate can get around and is not clear; more resin and salt mixture residues exist in the field operation environment, which is unfavorable for the next separation of the resin and the salt. At present, after a filter plate fails each time, a top end socket flange of equipment is required to be opened, the filter plate is taken out and soaked by an alcohol solvent solution for cleaning, meanwhile, salt containing 65% -75% of impurities such as resin and the like is discharged from the lower part of original filter equipment and is discharged into a salt receiving tank at the lower part (in the process of salt slag discharging, the resin and the salt are scattered on site ground and equipment, the site equipment and the ground are sticky and are difficult to clean, equipment corrosion damage is caused), mechanical conveying is difficult, manual conveying into a dissolving tank is required, the labor intensity of personnel in the whole process is high, the working efficiency is low, and environmental pollution is easy to cause. Particularly, in winter, the viscosity of the resin is high, the filtered salt is hard to be discharged, and the system is blocked due to uncleaned filtered salt; and the filter cake dissolving tank contains inflammable and toxic mediums such as alcohol solvents and the like, and has the operation of cleaning the filter plates in alcohol solvent equipment, so that great potential safety hazards exist on site.
Disclosure of utility model
The present utility model is directed to a self-cleaning filtration system for separating amino resin salts to solve the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A self-cleaning filtration system for separating amino resin salt, this system includes the feed liquor buffer tank, the feed liquor buffer tank links to each other with self-cleaning filter's amino resin salt import, and self-cleaning filter's resin discharge gate links to each other with the resin buffer tank, and self-cleaning filter's solvent salt discharge gate links to each other with the solvent salt buffer tank, and self-cleaning filter's upper portion is equipped with and is used for carrying out abluent solvent import to the filter.
The utility model has the beneficial effects that: aiming at the defects that the existing screening separation device is not suitable for screening due to the sticky mixture system in the prior art and the filter plate needs to be cleaned manually, the utility model can realize the stable operation of separation by arranging the amino resin salt inlet, the resin discharge port, the solvent salt discharge port and the corresponding buffer tanks, and can clean the filter element by arranging the solvent inlet on the basis, namely dissolving the filter element into the sticky blockage through the solvent, thereby achieving the characteristic of self-cleaning, improving the filtering efficiency, reducing the labor intensity and avoiding the problem of environmental pollution.
Preferably, the self-cleaning filter device comprises a shell, wherein a filter element is arranged in the middle of the inside of the shell, the filter element comprises a plurality of filter cavities with filter plates, the bottoms of the filter cavities are connected with a filtrate pipeline through pipelines, and the filtrate pipeline is communicated with a resin discharge port; the solvent inlet is communicated with a solvent spraying pipeline arranged in the self-cleaning filtering device, and the solvent spraying pipeline is arranged at the top of the plurality of filtering cavities.
Preferably, the top of the shell is provided with an overflow pipeline, the lower part of the resin discharge port is provided with an amino resin salt inlet, and the bottom of the shell is provided with a solvent salt discharge port.
Preferably, a gas pipeline for evacuating the liquid phase in the shell is further arranged at the top of the shell.
Preferably, an ultrasonic generator is arranged on the outer wall of the shell corresponding to the filter cavity.
Preferably, the resin discharge port of the self-cleaning filtering device is connected with the resin buffer tank through a connecting pipeline with a window, a tee joint and a first valve, and a third end of the tee joint is connected with the liquid inlet buffer tank through a second valve.
Preferably, a third valve is arranged between the liquid inlet buffer tank and the amino resin salt inlet of the self-cleaning filter device.
Preferably, a fourth valve is arranged between the solvent salt discharging port and the solvent salt buffer tank.
According to the self-cleaning filter system for separating the amino resin salt, which is manufactured according to the scheme, the solvent inlet is arranged at the upper part of the self-cleaning filter device, so that the filter piece is cleaned, namely, the filter piece is dissolved by the solvent to be used for cleaning sticky plugs, so that the self-cleaning characteristic is achieved, the filter efficiency can be improved, the labor intensity can be reduced, and the problem of environmental pollution can be avoided; furthermore, the top of the filtering piece is provided with the solvent spraying pipeline and the ultrasonic generator is matched with the solvent spraying pipeline, so that the purpose of improving the self-cleaning efficiency of the filtering piece is achieved, and the unseparated mixture can be temporarily stored into the liquid inlet buffer tank to self-clean the filtering piece through the gas pipeline for exhausting the liquid phase in the shell, so that the characteristic of saving raw materials is achieved; the filter has the characteristics of reasonable structural design, capability of realizing self-cleaning of the filter, reduction of labor intensity and environment pollution avoidance.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the self-cleaning filter device of the present utility model.
Fig. 3 is a schematic structural view of the filter chamber of the present utility model.
In the figure: 1. a liquid inlet buffer tank; 2. self-cleaning filter device; 3. an amino resin salt inlet; 4. a resin discharge port; 5. a resin buffer tank; 6. a solvent salt discharge port; 7. a solvent salt buffer tank; 8. a solvent inlet; 9. a filter plate; 10. a filtrate conduit; 11. a solvent spray pipe; 12. an overflow pipe; 13. a gas conduit; 14. an ultrasonic generator; 15. a window; 16. a first valve; 17. a second valve; 18. a third valve; 19. a fourth valve; 20. a filter cavity.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1 and 2, the utility model is a self-cleaning filtration system for separating amino resin salt, the system comprises a liquid inlet buffer tank 1, the liquid inlet buffer tank 1 is connected with an amino resin salt inlet 3 of a self-cleaning filtration device 2, a resin discharge port 4 of the self-cleaning filtration device 2 is connected with a resin buffer tank 5, a solvent salt discharge port 6 of the self-cleaning filtration device 2 is connected with a solvent salt buffer tank 7, and a solvent inlet 8 for cleaning a filtration piece is arranged at the upper part of the self-cleaning filtration device 2. According to the utility model, the mixture can be effectively separated through the arrangement, specifically, the mixture in the liquid inlet buffer tank 1 enters the self-cleaning filter device 2 to separate salt and resin, the separated resin enters the resin buffer tank 5 through the resin discharge port 4, the separated salt enters the solvent salt buffer tank 7 through the solvent salt discharge port 6 to carry out subsequent treatment, when the filter is blocked after running for a period of time, the solvent enters the cleaning filter device 2 through the solvent inlet 8, the blocking matters attached to the surface of the filter are dissolved, so that self-cleaning of the self-cleaning filter device 2 is realized, and the solvent with the blocking matters dissolved after self-cleaning enters the solvent salt buffer tank 7 through the solvent salt discharge port 6 to carry out subsequent treatment; the cleaning process does not need to open the cleaning and filtering device 2, and can effectively reduce the manual cleaning strength, and meanwhile, the filtering efficiency is improved.
Further, referring to fig. 3, the self-cleaning filter device 2 includes a housing, a filter element is disposed in the middle of the housing, the filter element includes a plurality of filter cavities 20 with filter plates 9, bottoms of the plurality of filter cavities 20 are connected with a filtrate pipeline 10 through pipelines, and the filtrate pipeline 10 is communicated with a resin discharge port 4; the solvent inlet 8 is communicated with a solvent spraying pipeline 11 arranged in the self-cleaning filter device 2, and the solvent spraying pipeline 11 is arranged at the top of the plurality of filter cavities 20. The filtrate pipeline 10 is communicated with the resin discharge port 4, the top of the filtrate pipeline 10 is connected with a plurality of filter cavities with filter plates 9, and the resin solution filtered by the filter plates 9 is externally conveyed through the filtrate pipeline 10 and the resin discharge port 4; when the filter plate 9 is blocked, the filter plate 9 can be sprayed through the solvent spraying pipeline 11 so as to achieve the characteristic of fast dissolution of the blocking object.
Further, the top of the shell is provided with an overflow pipeline 12, the lower part of the resin discharge port 4 is provided with an amino resin salt inlet 3, and the bottom of the shell is provided with a solvent salt discharge port 6. The utility model can realize the specific conditions of cleaning the mixture in the filter device 2 or dissolving the blockage solvent conveniently by arranging the overflow pipeline 12.
Further, the top of the housing is also provided with a gas conduit 13 for evacuating the liquid phase inside the housing. According to the utility model, after the filter plate 9 is blocked, the gas pipeline 13 is arranged, and the mixture in the cleaning and filtering device 2 is emptied before the solvent is added, specifically, the gas is injected into the cleaning and filtering device 2 through the gas pipeline 13, the pressure in the cleaning and filtering device 2 is increased, and the mixture is reversely conveyed into the liquid inlet buffer tank 1 to realize temporary storage, so that the characteristic of saving raw materials is achieved; the gas in the gas pipe 13 is preferably nitrogen, and the gas pipe 13 may be connected to a nitrogen pipe network or a nitrogen storage tank.
Further, the outer wall of the casing corresponding to the filter cavity 20 is provided with an ultrasonic generator 14. The utility model can utilize the air burst pressure generated by ultrasonic wave to dip and clean the filter plate 9 on the filter cavity 20 after the cleaning filter device 2 is filled with solvent by arranging the ultrasonic generator 14, and separate the filter plate 9 from the filter cake on the surface of the filter plate 9.
Further, the resin discharge port 4 of the self-cleaning filter device 2 is connected with the resin buffer tank 5 through a connecting pipeline with a window 15, a tee joint and a first valve 16, and the third end of the tee joint is connected with the liquid inlet buffer tank 1 through a second valve 17. According to the utility model, the window 15 can observe the condition of the resin liquid phase entering the resin buffer tank 5, and when the resin liquid phase is in a turbid state, the second valve 17 can be opened to enable the liquid phase to enter the liquid inlet buffer tank 1 and enter the self-cleaning filter device 2 again for filtering separation; when the resin liquid phase is in a clear state, the first valve 16 can be opened to allow the liquid phase to enter the resin buffer tank 5.
Further, a third valve 18 is arranged between the liquid inlet buffer tank 1 and the amino resin salt inlet 3 of the self-cleaning filter device 2.
Further, a fourth valve 19 is arranged between the solvent salt discharging port 6 and the solvent salt buffer tank 7. The liquid phase outside the filter cylinder 9 or the liquid phase after the blockage is dissolved by the solvent enters the solvent salt buffer tank 7 for subsequent treatment by opening the fourth valve 19.
The working principle of the utility model is as follows: reacting formaldehyde and triamine under alkaline condition, adding alcohol solvent to react under acidic condition, adjusting system to alkaline for dealcoholization to obtain crude amino resin product; the amino resin crude product enters the self-cleaning filter device 2 through the liquid inlet buffer tank 1 to separate salt and resin, the amino resin crude product enters the liquid inlet buffer tank 1 in the specific separation process, and whether the amino resin crude product exists in the overflow pipeline 12 or not is observed, meanwhile, the amino resin crude product is filtered through the filter cavities of the filter plates 9, the filtered resin liquid phase enters the connecting pipeline with the window 15 through the liquid pipeline 10 and the resin discharge port 4, the turbidity condition of the liquid phase in the connecting pipeline is observed through the window 15, and when the resin liquid phase is in a turbidity state, the second valve 17 can be opened to enable the liquid phase to enter the liquid inlet buffer tank 1 to enter the self-cleaning filter device 2 again for filtering separation; when the resin liquid phase is in a clear state, the first valve 16 can be opened to enable the liquid phase to enter the resin buffer tank 5; discharging the filtered salt solution into a solvent salt buffer tank 7 through a solvent salt discharge port 6 for subsequent treatment; when the filter plate 9 is in a blocking state after long-time operation, gas in a gas pipeline 13 enters the self-cleaning filter device 2, so that a liquid phase remained in the self-cleaning filter device 2 enters the liquid inlet buffer tank 1, then, solvent sprays the filter plate 9 through a solvent inlet 8 and a solvent spraying pipeline 11, and as the liquid level of the solvent rises, whether the solvent exists in an overflow pipeline 12 is observed; when the overflow pipe 12 is provided with solvent, the solvent inlet 8 stops entering the solvent; and the ultrasonic generator 14 is started, which can clean the filter plate 9 by utilizing the air rupture pressure generated by ultrasonic waves after the solvent is filled in the cleaning and filtering device 2, and separate the filter plate 9 from the filter cake on the surface of the filter plate; after the self-cleaning process is finished, the solvent containing salt and the blockage enters the solvent salt buffer tank 7 through the solvent salt discharging hole 6 and the fourth valve 19 for subsequent treatment; the subsequent treatment can realize the separation of the solvent and the salt, the separated salt can be used as industrial salt for sale, and the separated solvent can be recycled.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A self-cleaning filtration system for separating amino resin salts, the system comprising a feed buffer tank (1), characterized in that: the feed liquor buffer tank (1) links to each other with amino resin salt import (3) of self-cleaning filter equipment (2), and resin discharge gate (4) of self-cleaning filter equipment (2) link to each other with resin buffer tank (5), and solvent salt discharge gate (6) of self-cleaning filter equipment (2) link to each other with solvent salt buffer tank (7), and the upper portion of self-cleaning filter equipment (2) is equipped with solvent import (8) that are used for carrying out abluent to the filter element.
2. A self-cleaning filtration system for separating amino resin salts according to claim 1, wherein: the self-cleaning filter device (2) comprises a shell, wherein a filter piece is arranged in the middle of the inside of the shell, the filter piece comprises a plurality of filter cavities (20) with filter plates (9), the bottoms of the filter cavities (20) are connected with a filtrate pipeline (10) through pipelines, and the filtrate pipeline (10) is communicated with a resin discharge port (4);
The solvent inlet (8) is communicated with a solvent spraying pipeline (11) arranged in the self-cleaning filtering device (2), and the solvent spraying pipeline (11) is arranged at the top of the plurality of filtering cavities.
3. A self-cleaning filtration system for separating amino resin salts according to claim 2, wherein: the top of casing is equipped with overflow pipeline (12), and the lower part of resin discharge gate (4) is equipped with amino resin salt import (3), and the bottom of casing is equipped with solvent salt discharge gate (6).
4. A self-cleaning filtration system for separating amino resin salts according to claim 2, wherein: the top of the shell is also provided with a gas pipeline (13) for evacuating the liquid phase in the shell.
5. A self-cleaning filtration system for separating amino resin salts according to any one of claims 2-4, wherein: an ultrasonic generator (14) is arranged on the outer wall of the shell corresponding to the filter cavity (20).
6. A self-cleaning filtration system for separating amino resin salts according to claim 1, wherein: the resin discharge port (4) of the self-cleaning filtering device (2) is connected with the resin buffer tank (5) through a connecting pipeline with a window (15), a tee joint and a first valve (16), and a third end of the tee joint is connected with the liquid inlet buffer tank (1) through a second valve (17).
7. A self-cleaning filtration system for separating amino resin salts according to claim 1, wherein: a third valve (18) is arranged between the liquid inlet buffer tank (1) and the amino resin salt inlet (3) of the self-cleaning filtering device (2).
8. A self-cleaning filtration system for separating amino resin salts according to claim 1, wherein: a fourth valve (19) is arranged between the solvent salt discharging hole (6) and the solvent salt buffer tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322607506.6U CN220802194U (en) | 2023-09-25 | 2023-09-25 | A self-cleaning filtration system for separating amino resin salt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322607506.6U CN220802194U (en) | 2023-09-25 | 2023-09-25 | A self-cleaning filtration system for separating amino resin salt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220802194U true CN220802194U (en) | 2024-04-19 |
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ID=90671365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322607506.6U Active CN220802194U (en) | 2023-09-25 | 2023-09-25 | A self-cleaning filtration system for separating amino resin salt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220802194U (en) |
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2023
- 2023-09-25 CN CN202322607506.6U patent/CN220802194U/en active Active
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