CN212024967U - Desulfurization waste water secondary filter device - Google Patents
Desulfurization waste water secondary filter device Download PDFInfo
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- CN212024967U CN212024967U CN202020433695.3U CN202020433695U CN212024967U CN 212024967 U CN212024967 U CN 212024967U CN 202020433695 U CN202020433695 U CN 202020433695U CN 212024967 U CN212024967 U CN 212024967U
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Abstract
The utility model provides a desulfurization waste water microfiltration device, include: a desulfurization system pit, a filtering tank, a clear water storage tank, a wastewater circulating pump, a suction pump, an aeration fan, a filtering membrane component and a dosing tank; one end of the wastewater circulating pump is connected with the desulfurization system pit through a pipeline, the other end of the wastewater circulating pump is connected with the lower part of the filtering tank through a pipeline, and the upper part of the filtering tank is connected with the desulfurization system pit through a return pipeline; the filtering membrane component is arranged at the bottom of the filtering tank, the lower part of the filtering membrane component is connected with an aeration fan through an aeration pipeline, the upper part of the filtering membrane component is connected with the suction pump through a suction pipeline, and the other end of the suction pump is connected with the clear water storage tank through a suction pipeline; the dosing box is located above the filtering tank and connected with the suction pipeline.
Description
Technical Field
The utility model belongs to the technical field of desulfurization waste water treatment technique and specifically relates to a desulfurization waste water microfiltration device is related to.
Background
At present, a dosing coagulation precipitation process is generally adopted for treating desulfurization wastewater of a thermal power plant. The process can not stably reach the pollutant discharge limit value specified by the national standard when treating wastewater with high content of suspended matters, so that the content of the suspended matters in the desulfurization wastewater discharged by a plurality of power plants exceeds the standard. The device can stably and thoroughly remove suspended solids in the desulfurization wastewater, and the flow is simple, and the operating cost is lower than the coagulating sedimentation process.
The information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a desulfurization waste water microfiltration device to solve the technical problem who exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a desulfurization waste water microfiltration device, it includes: a desulfurization system pit, a filtering tank, a clear water storage tank, a wastewater circulating pump, a suction pump, an aeration fan, a filtering membrane component and a dosing tank; one end of the wastewater circulating pump is connected with the desulfurization system pit through a pipeline, the other end of the wastewater circulating pump is connected with the lower part of the filtering tank through a pipeline, and the upper part of the filtering tank is connected with the desulfurization system pit through a return pipeline; the filtering membrane component is arranged at the bottom of the filtering tank, the lower part of the filtering membrane component is connected with an aeration fan through an aeration pipeline, the upper part of the filtering membrane component is connected with the suction pump through a suction pipeline, and the other end of the suction pump is connected with the clear water storage tank through a suction pipeline; the dosing box is located above the filtering tank and connected with the suction pipeline.
As a further technical scheme, the number of the filtering membrane modules is one or more.
As a further technical solution, when the number of the filtering membrane modules is plural, the upper part of each filtering membrane module is connected with a suction branch pipeline, and all the suction branch pipelines are connected in parallel and then connected with the suction pipeline.
As a further technical scheme, the filtration precision of the filtration membrane component is 0.1-1 micron.
As a further technical scheme, two sides of the bottom of the filtering membrane module are provided with support legs, and the support legs comprise: a first connecting leg and a second connecting leg;
the bottom of the first connecting leg is provided with an L-shaped convex plate extending outwards;
the bottom of the second connecting leg is provided with an L-shaped convex plate extending outwards;
the L-shaped convex plate is provided with a mounting hole, and the mounting hole is connected with the bottom of the filter tank through a through bolt; the first connecting leg and the second connecting leg are connected through a crosspiece, and the crosspiece is provided with a hollow mounting groove.
As a further technical scheme, an aeration pipeline between the aeration fan and the filtering membrane component is provided with a check valve and a butterfly valve.
As a further technical scheme, a check valve is arranged on a pipeline between the desulfurization system pit and the wastewater circulating pump, and a check valve, a butterfly valve and a pressure reducing valve are arranged on a pipeline between the wastewater circulating pump and the filtering tank.
As a further technical scheme, a butterfly valve is arranged on a suction pipeline between the filtering membrane assembly and the suction pump.
As a further technical solution, a suction pipe between the suction pump and the fresh water storage tank is provided with a check valve and a butterfly valve.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
the utility model provides a desulfurization waste water secondary filter device, including desulfurization system pit, the filtering ponds, the clear water holding vessel, the waste water circulating pump, the suction pump, the aeration fan, filtering membrane subassembly and dosing tank, the desulfurization waste water in desulfurization system pit gets into the filtering ponds through the waste water circulating pump, start the aeration fan and handle filtering membrane subassembly aeration, filtering membrane subassembly filters desulfurization waste water back and gets into the clear water holding vessel through the suction pipeline, the dosing tank adds the medicine when membrane flux descends and washs, can handle the desulfurization waste water that application method desulphurization unit produced, reduce the suspended solid content in the waste water.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a precise filtration device for desulfurization wastewater according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a filtering membrane module provided in an embodiment of the present invention;
icon: 1-a desulfurization system pit; 2-an aeration fan; 3-adding a medicine box; 4-a filtering tank; 5-clear water storage pool; 6-a suction pump; 7-a filtration membrane module; 8-a wastewater circulating pump; 11-L-shaped convex plate; 12-mounting grooves; 13-longitudinal water collecting pipes; 14-a membrane cassette section; 15-water collection reserved outlet; 16-aeration connecting pipe; 17-a transverse conduit; 18-hoisting ring.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Referring to fig. 1 to 2, the present embodiment provides a desulfurization waste water microfiltration device, which includes: the system comprises a desulfurization system pit 1, a filtering tank 4, a clear water storage tank 5, a wastewater circulating pump 8, a suction pump 6, an aeration fan 2, a filtering membrane component 7 and a dosing tank 3; one end of the wastewater circulating pump 8 is connected with the desulfurization system pit 1 through a pipeline, the other end of the wastewater circulating pump 8 is connected with the lower part of the filtering tank 4 through a pipeline, and the upper part of the filtering tank 4 is connected with the desulfurization system pit 1 through a return pipeline; the filtering membrane component 7 is arranged at the bottom of the filtering tank 4, the lower part of the filtering membrane component 7 is connected with the aeration fan 2 through an aeration pipeline, the upper part of the filtering membrane component 7 is connected with the suction pump 6 through a suction pipeline, and the other end of the suction pump 6 is connected with the clean water storage tank 5 through a suction pipeline; the dosing box 3 is positioned above the filtering tank 4 and is connected with the suction pipeline. The embodiment can treat desulfurization waste water generated by the desulfurization device by the method and reduce the content of suspended matters in the waste water.
In this embodiment, as a further technical solution, the number of the filtering membrane modules 7 is one or more. Preferably, when the number of the filtering membrane modules 7 is multiple, a suction branch pipeline is connected to the upper part of each filtering membrane module 7, and all the suction branch pipelines are connected in parallel and then connected to the suction pipeline. Preferably, the filtration precision of the filtration membrane module 7 is 0.1 to 1 micron.
In this embodiment, as a further technical solution, the bottom both sides of filtration membrane module 7 are provided with the landing leg, the landing leg includes: a first connecting leg and a second connecting leg; the bottom of the first connecting leg is provided with an L-shaped convex plate 11 extending outwards; the bottom of the second connecting leg is provided with an L-shaped convex plate 11 extending outwards; the L-shaped convex plate 11 is provided with a mounting hole, and the mounting hole is connected with the bottom of the filtering tank 4 through a through bolt; the first connecting leg and the second connecting leg are connected through a crosspiece, and the crosspiece is provided with a hollow mounting groove 12. This hollow mounting groove 12 is intended to be connected to a plug socket at the bottom of the filter tank 4. Specifically, the bottom of the filtering tank 4 can be welded with a socket, the cross section of the socket is a rectangular cylinder, and correspondingly, the shape of the hollow mounting groove 12 is matched with the cross section of the socket. So that the installation structure of the filtering membrane module 7 is more stable. Of course, the arrangement of the legs is to ensure the overall firmness, and the legs of the present embodiment may be arranged, or may not be arranged or replaced with other forms.
For the filtering membrane module 7, the following structure may be adopted in this embodiment:
the filtering membrane module 7 includes: a membrane box part 14 and an aeration part, wherein ten groups of membrane stack units (flat membrane assemblies) are arranged inside the membrane box part 14, five groups of membrane stack units are positioned at the upper part of the membrane box part 14, the other five groups of membrane stack units are positioned at the lower part of the membrane box part 14, and the upper and lower groups of membrane stack units are aligned; each group of membrane stack units is respectively provided with a water collection reserved outlet 15, the upper reserved outlet and the lower reserved outlet are connected through a longitudinal water collection pipe 13, so that five longitudinal water collection pipes 13 are formed, five longitudinal water collection pipes are respectively connected with a transverse pipeline 17, the transverse pipeline 17 is connected with a suction pipeline, the longitudinal water collection pipes 13 are made of 304 materials, hard sealing is adopted, and the strength is high; the aeration part is positioned below the membrane box part 14 and supported by the supporting legs, so that the blockage of air holes is reduced, and the uniform aeration is ensured. The aeration part is connected with an aeration connecting pipe 16, the aeration connecting pipe 16 extends from the bottom to the top and is fixed on one side of the filtering membrane component 7 through a fixing ring, and the aeration connecting pipe 16 is connected with an aeration pipeline. Of course, a lifting ring 18 is also provided on top of the membrane tank section 14. Similarly, the filtering membrane module 7 may adopt the above structure, and may be replaced by another form, and is not necessarily provided here.
As a further technical scheme, an aeration pipeline between the aeration fan 2 and the filtering membrane component 7 is provided with a check valve and a butterfly valve.
As a further technical scheme, a check valve is arranged on a pipeline between the desulfurization system pit 1 and the wastewater circulating pump 8, and a check valve, a butterfly valve and a pressure reducing valve are arranged on a pipeline between the wastewater circulating pump 8 and the filtering tank 4.
As a further technical solution, a suction pipe between the filtering membrane module 7 and the suction pump 6 is provided with a butterfly valve.
As a further solution, the suction pipe between the suction pump 6 and the fresh water storage tank 5 is provided with a check valve and a butterfly valve.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
the utility model provides a desulfurization waste water secondary filter device, including desulfurization system pit 1, filtering ponds 4, clear water holding vessel 5, waste water circulating pump 8, suction pump 6, aeration fan 2, filtration membrane module 7 and dosing tank 3, desulfurization system pit 1's desulfurization waste water gets into filtering ponds 4 through waste water circulating pump 8, start aeration fan 2 and handle filtration membrane module 7 aeration, filtration membrane module 7 filters desulfurization waste water and gets into clear water holding vessel 5 through the suction pipeline, dosing tank 3 washs the medicine when membrane flux descends, can handle the desulfurization waste water that application method desulphurization unit produced, reduce the suspended solid content in the waste water.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a desulfurization waste water secondary filter device which characterized in that includes: a desulfurization system pit, a filtering tank, a clear water storage tank, a wastewater circulating pump, a suction pump, an aeration fan, a filtering membrane component and a dosing tank; one end of the wastewater circulating pump is connected with the desulfurization system pit through a pipeline, the other end of the wastewater circulating pump is connected with the lower part of the filtering tank through a pipeline, and the upper part of the filtering tank is connected with the desulfurization system pit through a return pipeline; the filtering membrane component is arranged at the bottom of the filtering tank, the lower part of the filtering membrane component is connected with an aeration fan through an aeration pipeline, the upper part of the filtering membrane component is connected with the suction pump through a suction pipeline, and the other end of the suction pump is connected with the clear water storage tank through a suction pipeline; the dosing box is located above the filtering tank and connected with the suction pipeline.
2. The desulfurization waste water microfiltration device according to claim 1, wherein the number of the filtration membrane modules is one or more.
3. The desulfurization waste water precision filtering device of claim 1, wherein when the number of the filtering membrane modules is multiple, a suction branch pipeline is connected to the upper part of each filtering membrane module, and all the suction branch pipelines are connected in parallel and then connected with the suction pipeline.
4. The desulfurization waste water secondary filter device of claim 1, wherein the filtration precision of the filtration membrane module is 0.1-1 micron.
5. The desulfurization waste water precision filtering device of claim 3, wherein two sides of the bottom of the filtering membrane module are provided with support legs, and the support legs comprise: a first connecting leg and a second connecting leg;
the bottom of the first connecting leg is provided with an L-shaped convex plate extending outwards;
the bottom of the second connecting leg is provided with an L-shaped convex plate extending outwards;
the L-shaped convex plate is provided with a mounting hole, and the mounting hole is connected with the bottom of the filter tank through a through bolt; the first connecting leg and the second connecting leg are connected through a crosspiece, and the crosspiece is provided with a hollow mounting groove.
6. The desulfurization wastewater microfiltration device according to claim 1, wherein an aeration pipe between the aeration fan and the filter membrane module is provided with a check valve and a butterfly valve.
7. The desulfurization wastewater microfiltration device according to claim 6, wherein a pipeline between the desulfurization system pit and the wastewater circulating pump is provided with a check valve, and a pipeline between the wastewater circulating pump and the filtration tank is provided with a check valve, a butterfly valve and a pressure reducing valve.
8. The desulfurization waste water precision filtering device is characterized in that a suction pipeline between the filtering membrane module and the suction pump is provided with a butterfly valve.
9. The desulfurization waste water microfiltration device according to claim 8, wherein a suction pipe between the suction pump and the clean water storage tank is provided with a check valve and a butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020433695.3U CN212024967U (en) | 2020-03-30 | 2020-03-30 | Desulfurization waste water secondary filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020433695.3U CN212024967U (en) | 2020-03-30 | 2020-03-30 | Desulfurization waste water secondary filter device |
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| Publication Number | Publication Date |
|---|---|
| CN212024967U true CN212024967U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020433695.3U Active CN212024967U (en) | 2020-03-30 | 2020-03-30 | Desulfurization waste water secondary filter device |
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| Country | Link |
|---|---|
| CN (1) | CN212024967U (en) |
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- 2020-03-30 CN CN202020433695.3U patent/CN212024967U/en active Active
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