CN213202577U - Membrane method removes sulfate radical and uses preceding filter equipment - Google Patents
Membrane method removes sulfate radical and uses preceding filter equipment Download PDFInfo
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- CN213202577U CN213202577U CN202021649108.0U CN202021649108U CN213202577U CN 213202577 U CN213202577 U CN 213202577U CN 202021649108 U CN202021649108 U CN 202021649108U CN 213202577 U CN213202577 U CN 213202577U
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- Prior art keywords
- filter
- pipe
- membrane
- membrane shell
- forcing
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- 239000012528 membrane Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000008859 change Effects 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000011045 prefiltration Methods 0.000 claims 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000001728 nano-filtration Methods 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000002585 base Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000012267 brine Substances 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 5
- 238000011001 backwashing Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a membrane method removes preceding filter equipment of sulfate radical usefulness, including at least a set of filtering mechanism, every group filtering mechanism all is including the cartridge filter, membrane shell formula filter and the force (forcing) pump that set gradually, the cartridge filter is connected with the feed liquor pipe outward, the force (forcing) pump is provided with the drain pipe outward, through first pipe connection between cartridge filter and the force (forcing) pump, two joints have set gradually on the first pipe, two the joint is provided with second pipe and third pipe respectively outside that down, second pipe and third pipe respectively with the inlet and the liquid outlet of membrane shell formula filter are connected, and inlet and liquid outlet department all are provided with the flow stopping valve, two install the change valve on the first pipe between the joint. Has the advantages of simple structure, high filtering effect and convenient replacement.
Description
Technical Field
The utility model relates to a filtration equipment technical field especially relates to a membrane method removes preceding filter equipment of sulfate radical usefulness.
Background
The control of the sulfate radical index in the brine in the chlor-alkali industry is a key index, one of the removal modes is to adopt a nanofiltration membrane to separate the sulfate radical in the brine, but if some impurities in the brine can not be removed, the impurities can have a great negative effect on the operation effect of the nanofiltration membrane.
In the nanofiltration membrane operation process, because of the salt solution condition is more complicated, the condition that the nanofiltration membrane does not reach life and the reduction of treatment efficiency is caused often appears, and the weight of the membrane tube is increased by about 1/3 through membrane splitting and weighing, which shows that the impurities in various salt solutions are remained in the membrane tube, so that the membrane tube is polluted and blocked, and the sulfate radical removal capability is reduced. Meanwhile, the active carbon filter and the 5 micron precision filter are arranged in front of the existing nanofiltration membrane to intercept impurities, but in the actual use process, the active carbon enters the nanofiltration membrane due to the filtering damage of the active carbon filter, so that more serious pollution and blockage are caused.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problem to be solved by the application of the patent is how to provide a pre-filtering device for removing sulfate radical by a membrane method, which has simple structure, high filtering effect and convenient replacement.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a membrane method is filter equipment before sulfate radical is used, includes at least a set of filtering mechanism, every group filtering mechanism all includes the cartridge filter, membrane shell formula filter and the force (forcing) pump that set gradually, the cartridge filter is outwards connected with the feed liquor pipe, the force (forcing) pump outwards is provided with the drain pipe, through first pipe connection between cartridge filter and the force (forcing) pump, two joints have set gradually on the first pipe, two connect that is provided with second pipe and third pipe respectively down, second pipe and third pipe respectively with the inlet and the liquid outlet of membrane shell formula filter are connected, and inlet and liquid outlet department all are provided with the flow stopping valve, two install the change valve on the first pipe between the joint.
When the device is used, when the device is used for filtering, the saline reaches the security filter through the liquid inlet pipe, the replacement valve is closed, the liquid reaches the membrane shell filter through the first guide pipe and the second guide pipe, and finally flows out of the liquid outlet pipe through the third guide pipe and the pressure pump under the pressure of the pressure pump to reach the nanofiltration membrane for processing, the device is a pretreatment filtering device for processing sulfate radicals by the nanofiltration membrane, the filtering effect reaches more than ninety percent of the package under double filtering, substances which can harm the nanofiltration membrane are filtered, in the using process, along with the reduction of the filtering efficiency, the mode of replacing the filter element of the membrane shell filter can be adopted, the replacement valve is opened, the stop valve is closed, the liquid does not pass through the membrane shell filter any more, but is discharged through the security filter, the replacement time is provided for the membrane shell filter, and the filtering effect is also played, compared with the active carbon residue generated by active carbon filtration at the present stage, the filtration efficiency is improved, the damage of the active carbon to the nanofiltration membrane is avoided, the operation is simple, and the filtration quality is high.
As optimization, the membrane shell type filter comprises a mounting base, a membrane shell is horizontally arranged on the mounting base, end covers are arranged at two ends of the membrane shell, the end cover at one end is detachably connected with the membrane shell, a filter element is arranged in the membrane shell, and the membrane shell is outwards provided with the liquid inlet and the liquid outlet.
Like this, the mounting base provides stable installation basis, and the filter core can be convenient take out the change, and in the angle of economy, the cost of renew cartridge is far less than the cost of receiving the filter membrane.
Preferably, the filter element is a deep large-flow folding filter element and is made of PP materials.
Like this, this kind of filter core has the purchase easily when guaranteeing the filter effect, and is with low costs advantage, and on large-scale use, interchangeability is strong.
Preferably, the filtering mechanisms comprise two groups, the first conduits of the two groups of filtering mechanisms are communicated, and the connection point of the two first conduits is located between the cartridge filter and the joint.
Like this, two sets of filter mechanisms can realize sharing and one with one switching of preparing for, simultaneously, when carrying out single filter core change, another membrane shell type filter can normally work, guarantee double-deck filterable filter effect.
Preferably, the two second conduits and the two third pipelines are arranged in a penetrating manner through connecting pipes.
Like this, when both use simultaneously, can alleviate the flow difference of liquid in two mechanisms for holistic flow is steady, and the further normal use who ensures the filter core of page or leaf can not appear single velocity of flow and influence filterable condition at the excessive speed.
Preferably, the cartridge filter is a 5-micron precision filter.
Therefore, the interception quality is high, and impurities in the brine can be better filtered.
Drawings
Fig. 1 is a schematic structural diagram of a pre-filtering device for removing sulfate radicals by a membrane method according to the present invention.
Fig. 2 is a schematic structural diagram of the membrane-shell filter in fig. 1.
Fig. 3 is a top view of fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in figures 1-3, a pre-filtering device for removing sulfate radicals by a membrane method comprises at least one group of filtering mechanisms, each group of filtering mechanisms comprises a cartridge filter 1, a membrane shell type filter 2 and a pressure pump 3 which are arranged in sequence, the security filter 1 is connected with a liquid inlet pipe 4 outwards, the pressure pump 3 is provided with a liquid outlet pipe 5 outwards, the cartridge filter 1 is connected with the pressure pump 3 through a first conduit 6, the first conduit 6 is sequentially provided with two joints 61, a second conduit 7 and a third conduit 8 are respectively arranged outside the lower one of the two joints 61, the second conduit 7 and the third conduit 8 are respectively connected with the liquid inlet 21 and the liquid outlet 22 of the membrane shell type filter 2, the liquid inlet 21 and the liquid outlet 22 are respectively provided with a check valve 23, and the first conduit 6 between the joints 61 is provided with a replacement valve 63.
When the device is used, when the device is used for filtering, the saline reaches the security filter through the liquid inlet pipe, the replacement valve is closed, the liquid reaches the membrane shell filter through the first guide pipe and the second guide pipe, and finally flows out of the liquid outlet pipe through the third guide pipe and the pressure pump under the pressure of the pressure pump to reach the nanofiltration membrane for processing, the device is a pretreatment filtering device for processing sulfate radicals by the nanofiltration membrane, the filtering effect reaches more than ninety percent of the package under double filtering, substances which can harm the nanofiltration membrane are filtered, in the using process, along with the reduction of the filtering efficiency, the mode of replacing the filter element of the membrane shell filter can be adopted, the replacement valve is opened, the stop valve is closed, the liquid does not pass through the membrane shell filter any more, but is discharged through the security filter, the replacement time is provided for the membrane shell filter, and the filtering effect is also played, compared with the active carbon residue generated by active carbon filtration at the present stage, the filtration efficiency is improved, the damage of the active carbon to the nanofiltration membrane is avoided, the operation is simple, and the filtration quality is high.
In this embodiment, membrane shell formula filter includes mounting base 24, mounting base 24 is improved level and is provided with membrane shell 25, membrane shell 25 both ends are provided with the end cover, wherein the end cover of one end with membrane shell 25 can dismantle the connection, be provided with the filter core in the membrane shell, membrane shell 25 outwards still is provided with inlet 21 and outlet 22.
Like this, the mounting base provides stable installation basis, and the filter core can be convenient take out the change, and in the angle of economy, the cost of renew cartridge is far less than the cost of receiving the filter membrane.
The filter core replacing device is characterized in that a drain outlet is formed in the liquid inlet pipe outwards, a backwashing port is connected to the liquid outlet outwards, a sewage discharge valve is arranged at the drain outlet, a backwashing valve is arranged at the backwashing port, so that backwashing can be carried out while the filter core is replaced, and residual magazines in the membrane shell can be removed.
In this embodiment, the filter element is a deep large-flow foldable filter element made of a PP material.
Like this, this kind of filter core has the purchase easily when guaranteeing the filter effect, and is with low costs advantage, and on large-scale use, interchangeability is strong.
In this embodiment, the filtering mechanisms include two sets, the first conduits 6 of the two sets of filtering mechanisms are arranged in a communicating manner, and the connection point of the two first conduits 6 is located between the cartridge filter 1 and the joint 61.
Like this, two sets of filter mechanisms can realize sharing and one with one switching of preparing for, simultaneously, when carrying out single filter core change, another membrane shell type filter can normally work, guarantee double-deck filterable filter effect.
In this embodiment, the two second conduits 7 and the two third ducts 8 are arranged to pass through each other via a connecting pipe 9.
Like this, when both use simultaneously, can alleviate the flow difference of liquid in two mechanisms for holistic flow is steady, and the further normal use who ensures the filter core of page or leaf can not appear single velocity of flow and influence filterable condition at the excessive speed.
In this embodiment, the safety filter 1 is a 5 μm precision filter.
Therefore, the interception quality is high, and impurities in the brine can be better filtered.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.
Claims (6)
1. The utility model provides a membrane method is filter equipment before sulfate radical is used, its characterized in that, includes at least a set of filtering mechanism, every group filtering mechanism all includes the cartridge filter, membrane shell formula filter and the force (forcing) pump that set gradually, the cartridge filter is outwards connected with the feed liquor pipe, the force (forcing) pump outwards is provided with the drain pipe, through first pipe connection between cartridge filter and the force (forcing) pump, set gradually two on the first pipe and connect, two connect outwards to be provided with second pipe and third pipe respectively, second pipe and third pipe respectively with the inlet and the liquid outlet of membrane shell formula filter are connected, and inlet and liquid outlet department all are provided with the flow stopping valve, two install the change valve on the first pipe between the joint.
2. The pre-filtering device for sulfate radicals by using a membrane method according to claim 1, wherein the membrane shell type filter comprises a mounting base, a membrane shell is horizontally arranged on the mounting base, end covers are arranged at two ends of the membrane shell, the end cover at one end is detachably connected with the membrane shell, a filter element is arranged in the membrane shell, and the membrane shell is outwards provided with the liquid inlet and the liquid outlet.
3. The pre-filter device for removing sulfate radicals by membrane process as claimed in claim 2, wherein the filter element is a deep high flow folded filter element made of PP material.
4. The pre-filter device for membrane sulfate removal according to claim 3, wherein the filter mechanisms comprise two sets, the first conduits of the two sets of filter mechanisms are connected, and the connection point of the two first conduits is located between the cartridge filter and the joint.
5. The pre-filter device for membrane sulfate removal according to claim 4, wherein the two second conduits and the two third conduits are connected by connecting pipes.
6. The pre-filter device for membrane sulfate removal according to claim 5, wherein the cartridge filter is a 5 micron precision filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649108.0U CN213202577U (en) | 2020-08-10 | 2020-08-10 | Membrane method removes sulfate radical and uses preceding filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649108.0U CN213202577U (en) | 2020-08-10 | 2020-08-10 | Membrane method removes sulfate radical and uses preceding filter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213202577U true CN213202577U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021649108.0U Active CN213202577U (en) | 2020-08-10 | 2020-08-10 | Membrane method removes sulfate radical and uses preceding filter equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213202577U (en) |
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2020
- 2020-08-10 CN CN202021649108.0U patent/CN213202577U/en active Active
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