CN217947820U - Processing apparatus that desulfurization pond supernatant was recycled - Google Patents
Processing apparatus that desulfurization pond supernatant was recycled Download PDFInfo
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- CN217947820U CN217947820U CN202221318788.7U CN202221318788U CN217947820U CN 217947820 U CN217947820 U CN 217947820U CN 202221318788 U CN202221318788 U CN 202221318788U CN 217947820 U CN217947820 U CN 217947820U
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Abstract
The utility model provides a processing apparatus that desulfurization pond supernatant was recycled, include: a desulfurization tank; the liquid inlet of the first filtering device is communicated with the supernatant outlet of the desulfurization tank; a supernatant collecting tank with a liquid inlet communicated with the liquid outlet of the first filtering device; the liquid inlet of the neutralization tank is communicated with the liquid outlet of the supernatant collecting tank; the feed inlet is communicated with the discharge hole of the neutralization tank; the liquid inlet of the second filtering device is communicated with the filtrate outlet of the filter pressing device; the liquid inlet of the filter pressing liquid collecting tank is communicated with the liquid outlet of the second filtering device; the liquid inlet of the mixing tank is communicated with the liquid outlet of the filter pressing liquid collecting tank; wherein: the neutralization tank is also connected with a phosphogypsum adding device, an oxygen explosion device and a pH monitoring device. The utility model provides an above-mentioned processing apparatus can realize the modification of the utilization of desulfurization pond desulfurization waste water and ardealite, realizes the zero release of desulfurization pond waste water, reduces water wasting of resources and environmental pollution.
Description
Technical Field
The utility model relates to a desulfurization pond supernatant utilizes technical field, in particular to processing apparatus that desulfurization pond supernatant was recycled.
Background
Under the situation that the environmental protection requirement is more and more strict at the present stage, the discharged flue gas needs to be treated to meet the requirement of environmental emission while heat is obtained. When the double-alkali desulphurization method is adopted, the desulphurization water can be continuously circulated in the desulphurization tank, the desulphurization liquid contains a large amount of sodium sulfate, sodium sulfite, calcium sulfate, calcium sulfite and other substances, the water quality is alkaline, and the desulphurization efficiency is greatly influenced after the circulation times are increased, so that the desulphurization treatment effect is influenced, and the water in the desulphurization tank must be replaced. The replaced supernatant of the desulfurization tank can be discharged after being treated to reach the standard, thereby greatly increasing the enterprise cost and also causing the waste of water resources. The pH value of the phosphogypsum is acidic, and the performance strength of the manufactured building block can be influenced in the production of the industrial gypsum building block.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide a processing apparatus that desulfurization pond supernatant was recycled, the utility model provides a processing apparatus can realize the utilization of desulfurization pond desulfurization waste water, and the modification of ardealite, realizes the zero release of desulfurization pond waste water, reduces the waste of water resource and the pollution of environment, has reduced the cost that the enterprise handled waste water.
The utility model provides a processing apparatus that desulfurization pond supernatant was recycled, include:
a desulfurization tank 1;
the first filtering device 2 is communicated with a liquid inlet and a supernatant outlet of the desulfurization tank 1;
a supernatant collecting tank 3 with a liquid inlet communicated with the liquid outlet of the first filtering device 2;
a neutralizing tank 4 with a liquid inlet communicated with the liquid outlet of the supernatant collecting tank 3;
the feed inlet is communicated with the filter pressing device 5 of the discharge outlet of the neutralization tank 4;
the liquid inlet of the second filtering device 6 is communicated with the pressure filtrate outlet of the pressure filtering device 5;
a filtrate pressure collecting tank 7 with a liquid inlet communicated with a liquid outlet of the second filtering device 6;
a mixing tank 8 with a liquid inlet communicated with a liquid outlet of the pressure filtrate collecting tank 7;
wherein:
the neutralization tank 4 is also connected with a phosphogypsum adding device 401, an aeration device 402 and a pH monitoring device 403.
In an embodiment of the present invention, the neutralization tank 4 is further connected with a first stirring device 404.
In an embodiment of the present invention, the mixing tank 8 is further connected to a second stirring device 801.
In an embodiment of the present invention, a first variable frequency pump is further connected between the supernatant collecting tank 3 and the neutralizing tank 4.
In one embodiment of the present invention, the filter pressing device 5 is a filter press.
In an embodiment of the present invention, a second variable frequency pump is further connected between the filtrate collecting tank 7 and the mixing tank 8.
The utility model provides an above-mentioned processing apparatus is used for neutralizing the pH value of ardealite with the desulfurization pond supernatant after filtration treatment, and waste water after the completion of neutralization is through handling such as filter-pressing, filtration and mixture, and the addable is used as some process water in the water of ardealite production industry gypsum block. The utility model discloses can realize the utilization of desulfurization pond desulfurization waste water, and the modification of ardealite, realize the zero release of desulfurization pond waste water, reduce the waste of water resource and the pollution of environment, reduce the cost that the enterprise handled 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 prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of a processing device for recycling supernatant in a desulfurization tank provided by the present invention;
FIG. 2 is a schematic flow chart of a process performed by the processing apparatus.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The utility model provides a processing apparatus that desulfurization pond supernatant was recycled, include:
a desulfurization tank 1;
the first filtering device 2 is communicated with the liquid inlet and the supernatant outlet of the desulfurization tank 1;
a supernatant collecting tank 3 with a liquid inlet communicated with the liquid outlet of the first filtering device 2;
a neutralizing tank 4 with a liquid inlet communicated with the liquid outlet of the supernatant collecting tank 3;
the feed inlet is communicated with the filter pressing device 5 of the discharge outlet of the neutralization tank 4;
the liquid inlet of the second filtering device 6 is communicated with the pressure filtrate outlet of the pressure filtering device 5;
a filter pressing liquid collecting pool 7 with a liquid inlet communicated with a liquid outlet of the second filtering device 6;
a mixing tank 8 with a liquid inlet communicated with a liquid outlet of the pressure filtrate collecting tank 7;
wherein:
the neutralization tank 4 is also connected with a phosphogypsum adding device 401, an aeration device 402 and a pH monitoring device 403.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic view of a processing device for recycling supernatant in a desulfurization tank provided by the present invention, and fig. 2 is a schematic view of a flow of processing by the processing device. The system comprises a desulfurization tank 1, a first filtering device 2, a supernatant collecting tank 3, a neutralization tank 4, a phosphogypsum adding device 401, an aeration device 402, a pH monitoring device 403, a first stirring device 404, a pressure filtration device 5, a second filtering device 6, a filtrate collecting tank 7, a mixing tank 8 and a second stirring device 801.
The desulfurization tank 1 is a device for producing desulfurization water by industrial desulfurization (e.g., double alkali desulfurization), and the structure thereof is not particularly limited, and may be a conventional desulfurization tank in the art. The desulfurization tank 1 is provided with a supernatant outlet for discharging the supernatant in the desulfurization tank 1.
The liquid inlet of the first filtering device 2 is communicated with the supernatant outlet of the desulfurization tank 1, and is used for receiving the supernatant from the desulfurization tank 1 and filtering the supernatant. The utility model discloses there is not special restriction to the structure of first filter equipment 2, for the conventional filter equipment in this field can.
The liquid inlet of the supernatant collecting tank 3 is communicated with the liquid outlet of the first filtering device 2, and is used for receiving the filtrate filtered by the first filtering device 2, so that the filtered supernatant is collected in the supernatant collecting tank 3.
And the liquid inlet of the neutralization tank 4 is communicated with the liquid outlet of the supernatant collecting tank 3 and receives the supernatant collected in the supernatant collecting tank 3.
In the utility model, the neutralization pond 4 is connected with ardealite respectively and adds device 401, aeration equipment 402, pH monitoring devices 403, and each other does not communicate between these three devices, but independent respectively is connected with neutralization pond 4. Phosphogypsum can be added into the neutralization pond 4 through a phosphogypsum adding device 401, impurities in the mixture can be oxidized by imploding oxygen into the neutralization pond 4 through an aeration device 402, and the pH value of the mixture in the neutralization pond 4 is monitored through a pH monitoring device 403. The utility model discloses in the preferred embodiment, neutralization pond 4 still is connected with first agitating unit 404, stirs the material in neutralization pond 4 through first agitating unit 404, guarantees the supernatant and the ardealite intensive mixing of receiving in the pond, utilizes the supernatant to carry out the neutralization to acid ardealite.
The utility model discloses in the preferred embodiment, processing apparatus is still including being connected thereby the pH value size of according to the pH value monitoring of pH monitoring devices 403 monitoring adjusts frequency conversion pump delivery capacity thereby guarantees that the pH value maintains about 7 throughout first frequency conversion pump (not shown in the figure) between supernatant collecting pit 3 and the neutralization pond 4.
A feed inlet of the filter pressing device 5 is communicated with a discharge outlet of the neutralization tank 4, receives the mixture from the neutralization tank 4 and carries out filter pressing on the mixture, so that solid and liquid are separated, and neutralized phosphogypsum and filter pressing liquid are respectively generated, wherein the neutralized phosphogypsum can be discharged from a solid outlet (see figure 2), and the filter pressing liquid is discharged from a liquid outlet; the obtained neutralized phosphogypsum can be used as a production raw material of industrial gypsum blocks, and the press filtrate enters the next treatment link. In one embodiment of the present invention, the filter press device 5 is a filter press.
And the liquid inlet of the second filtering device 6 is communicated with the liquid outlet of the filter pressing device 5 and is used for receiving the pressure filter liquid discharged from the filter pressing device 5 and filtering the pressure filter liquid. The utility model discloses there is not special restriction to the structure of second filter equipment 6, for this field conventional filter equipment can.
And a liquid inlet of the pressure filtrate collecting tank 7 is communicated with a liquid outlet of the second filtering device 6 and is used for receiving the pressure filtrate filtered by the second filtering device 6, so that the filtered pressure filtrate is collected in the pressure filtrate collecting tank 7.
And a liquid inlet of the mixing tank 8 is communicated with a liquid outlet of the press filtrate collecting tank 7 and is used for receiving the press filtrate collected in the press filtrate collecting tank 7.
The utility model discloses in the preferred embodiment, processing apparatus is still including connecting second variable frequency pump (not shown in the figure) between filter-pressing liquid collecting pit 7 and the mixing tank 8 carries the filter-pressing liquid in the filter-pressing liquid collecting pit 7 to mixing tank 8 in through the variable frequency pump, can adjust the use proportion of filter-pressing liquid through this second variable frequency pump.
The utility model discloses in, mixing tank 8 still is provided with the running water entry, through this entry to adding the running water in mixing tank 8.
The utility model discloses in the preferred embodiment, mixing tank 8 still is connected with second agitating unit 801, stirs through second agitating unit 801 press filtrate and running water that receives in to mixing tank 8 and obtains mixed liquid, and this mixed liquid is discharged from mixing tank 8, as the process water of gypsum block, as shown in fig. 2, its specific addible uses as a part of process water in the water of ardealite production industry gypsum block.
The utility model provides an above-mentioned processing apparatus is used for neutralizing the pH value of ardealite with the desulfurization pond supernatant after filtration treatment, and waste water after the completion of neutralization is through handling such as filter-pressing, filtration and mixture, and the addable is used as some process water in the water of ardealite production industry gypsum block. The utility model discloses can realize desulfurization pond desulfurization waste water's utilization, and the modification of ardealite, realize the zero release of desulfurization pond waste water, reduce the waste of water resource and the pollution of environment, reduce the cost of enterprise's processing waste water.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A processing apparatus that desulfurization pond supernatant was recycled, characterized by includes:
a desulfurization tank (1);
the liquid inlet of the first filtering device (2) is communicated with the supernatant outlet of the desulfurization tank (1);
a supernatant collecting tank (3) with a liquid inlet communicated with the liquid outlet of the first filtering device (2);
a neutralizing tank (4) with a liquid inlet communicated with the liquid outlet of the supernatant collecting tank (3);
a feed inlet of the filter pressing device (5) is communicated with a discharge outlet of the neutralization tank (4);
the liquid inlet of the second filtering device (6) is communicated with the pressure filtrate outlet of the pressure filter device (5);
a filter pressing liquid collecting pool (7) with a liquid inlet communicated with a liquid outlet of the second filtering device (6);
a mixing tank (8) with a liquid inlet communicated with a liquid outlet of the pressure filtrate collecting tank (7);
wherein:
the neutralization tank (4) is also connected with a phosphogypsum adding device (401), an aeration device (402) and a pH monitoring device (403).
2. Treatment plant according to claim 1, characterized in that a first stirring device (404) is also connected to the neutralization tank (4).
3. Treatment device according to claim 1, characterized in that a second stirring device (801) is also connected to the mixing basin (8).
4. The processing device according to claim 1, characterized in that a first variable frequency pump is connected between the supernatant collecting tank (3) and the neutralizing tank (4).
5. The processing plant according to claim 1, characterized in that said filter-pressing device (5) is a filter press.
6. The treatment plant according to claim 1, characterized in that a second variable frequency pump is further connected between the press filtrate collection tank (7) and the mixing tank (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221318788.7U CN217947820U (en) | 2022-05-30 | 2022-05-30 | Processing apparatus that desulfurization pond supernatant was recycled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221318788.7U CN217947820U (en) | 2022-05-30 | 2022-05-30 | Processing apparatus that desulfurization pond supernatant was recycled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217947820U true CN217947820U (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221318788.7U Active CN217947820U (en) | 2022-05-30 | 2022-05-30 | Processing apparatus that desulfurization pond supernatant was recycled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217947820U (en) |
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2022
- 2022-05-30 CN CN202221318788.7U patent/CN217947820U/en active Active
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