CN209259849U - A kind of dilute sulfuric acid waste water treatment system - Google Patents
A kind of dilute sulfuric acid waste water treatment system Download PDFInfo
- Publication number
- CN209259849U CN209259849U CN201822226036.8U CN201822226036U CN209259849U CN 209259849 U CN209259849 U CN 209259849U CN 201822226036 U CN201822226036 U CN 201822226036U CN 209259849 U CN209259849 U CN 209259849U
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- CN
- China
- Prior art keywords
- pipeline
- waste water
- sulfuric acid
- neutralization reaction
- dilute sulfuric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of dilute sulfuric acid waste water treatment systems, including neutralization reaction pond, filter press, collecting pit, decrease temperature crystalline kettle, centrifuge;The neutralization reaction pond is connected to by pipeline, hydraulic station with the inlet of filter press, and the liquid outlet of filter press is connected to by pipeline with collecting pit, and collecting pit is connected to by pipeline with the feed inlet of decrease temperature crystalline kettle;Decrease temperature crystalline kettle is connected to by pipeline with centrifuge, and the edge of centrifuge is provided with discharge port and leakage fluid dram.Magnesia is added in the neutralization reaction pond of the utility model, with generation sulfuric acid magnesium emulsion after dilute sulfuric acid waste water reaction, pass through filters pressing, decrease temperature crystalline, centrifugal filtration again, finally obtained magnesium sulfate finished product, both the emission problem of waste water had been solved, environmental protection pressure is alleviated, and waste resource is reasonably utilized, achieves economic well-being of workers and staff.
Description
Technical field
The utility model relates to chemical wastewater treatment apparatus fields, are specifically related to a kind of dilute sulfuric acid waste water treatment system.
Background technique
During processing sodium pyrosulfite, it will usually a large amount of dilute sulfuric acid waste water is generated, if these waste water are not
It is directly discharged in environment by processing, can not only make water body or soil acidification, cause damages to ecological environment, may can also
It results in waste of resources.How dilute sulfuric acid waste water to be turned waste into wealth, release environmental protection pressure, is that enterprise is urgently to be resolved asks for processing
Topic.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of structure is simple, it is both able to achieve dilute sulfuric acid waste water zero
Discharge, and the dilute sulfuric acid waste water treatment system of waste water resource can be made full use of.
To achieve the goals above, the utility model is achieved through the following technical solutions:
A kind of dilute sulfuric acid waste water treatment system, which is characterized in that including multiple neutralization reaction ponds, filter press, collecting pit, more
A decrease temperature crystalline kettle, centrifuge;The top of the neutralization reaction pond is provided with feed well, and neutralization reaction pond passes through pipeline, hydraulic
It stands and is connected to the inlet of filter press, the liquid outlet of filter press is connected to by pipeline with collecting pit, and collecting pit is distinguished by pipeline
It is connected to the feed inlet of multiple decrease temperature crystalline kettles;Multiple decrease temperature crystalline kettles connect after being summarized by pipeline through discharge nozzle and centrifuge
Logical, the edge of centrifuge is provided with discharge port and leakage fluid dram.
Further, it is connected separately with wastewater feed pipe in multiple neutralization reaction ponds, is installed on wastewater feed pipe
There are pressure gauge, pressure of the pressure gauge to monitor injection waste water.
Further, it is connected between the multiple neutralization reaction pond by pipeline, then will be anti-in each neutralization reaction pond
Liquid is answered to summarize to main pipeline.
Further, solution elevating pump is respectively arranged in the multiple neutralization reaction pond, solution elevating is pumped and is mounted on
Pipeline connection in neutralization reaction pond makes solution can smoothly enter into filter press to export the reaction solution in neutralization reaction pond.
Further, solution elevating pump is also equipped on the collecting pit, solution elevating is pumped and is mounted on collecting pit
Pipeline connection, can smoothly enter into decrease temperature crystalline kettle for after the reaction solution output in collecting pit.
The beneficial effects of the utility model are: 1, whole system structure is simple, input cost is lower, is suitable for middle-size and small-size add
Work manufacturing enterprise.2, magnesia is added in the dilute sulfuric acid waste water of neutralization reaction pond, generates sulfuric acid magnesium emulsion, then pass through pressure
Filter, decrease temperature crystalline, centrifugal filtration, finally obtained magnesium sulfate finished product, had both solved the emission problem of waste water, and had alleviated environmentally friendly pressure
Power, and waste resource is reasonably utilized, achieve economic well-being of workers and staff.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the work flow diagram of the utility model.
In figure: 1, wastewater feed pipe;2, neutralization reaction pond;3, filter press;4, collecting pit;5, decrease temperature crystalline kettle;6, it is centrifuged
Machine;7, pressure gauge;8, solution elevating pumps;9, pipeline;10, hydraulic station;11, inlet;12, liquid outlet;13, feed inlet;14, go out
Expects pipe;15, discharge port;16, leakage fluid dram;17, feed well.
Specific embodiment
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
As shown in Figure 1, one of the present embodiment dilute sulfuric acid waste water treatment system, including two neutralization reaction ponds 2, filters pressings
Machine 3, collecting pit 4, two decrease temperature crystalline kettles 5, centrifuges 6.
The top of two neutralization reaction ponds 2 is provided with feed well 17, is separately connected in two neutralization reaction ponds 2
There is wastewater feed pipe 1, pressure gauge 7, pressure of the pressure gauge 7 to monitor injection waste water are installed on wastewater feed pipe 1.In two
8 are pumped with solution elevating is also respectively provided on reaction tank 2, solution elevating pump 8 connects with the pipeline 9 being mounted in neutralization reaction pond 2
It is logical, it is connected between two neutralization reaction ponds 2 by pipeline 9, then the reaction solution in each neutralization reaction pond 2 is summarized to main pipeline
9, it is connected to by pipeline 9, hydraulic station 10 with the inlet 11 of filter press 3.The liquid outlet 12 of filter press 3 is by pipeline 9 and collects
Pond 4 is connected to, and solution elevating pump 8 is also equipped on collecting pit 4, and solution elevating pump 8 is connected to the pipeline 9 being mounted on collecting pit 4,
Collecting pit 4 is connected to the feed inlet 13 of two decrease temperature crystalline kettles 5 respectively by pipeline 9.Two decrease temperature crystalline kettles 5 pass through pipeline 9
It is connected to through discharge nozzle 14 with centrifuge 6 after summarizing, the edge of centrifuge 6 is provided with discharge port 15 and leakage fluid dram 16.
Working principle of the utility model is: as shown in Fig. 2, being distinguished by wastewater feed pipe 1 into two neutralization reaction ponds 2
Dilute sulfuric acid waste water is injected, magnesia is added in the feed well 17 on 2 top of neutralization reaction pond, dilute sulfuric acid waste water and magnesia are in
With generation sulfuric acid magnesium emulsion after reaction in reaction tank 2, sulfuric acid magnesium emulsion is inputted by filters pressing in filter press 3 by pipeline 9, is removed
It is miscellaneous, saturated solution of magnesium sulfate is obtained, after being summarized saturated solution of magnesium sulfate input collecting pit 4 by pipeline 9, is pumped through solution elevating
8, pipeline 9 be delivered in decrease temperature crystalline kettle 5 it is cooling, crystallize and be precipitated, be delivered to centrifugal filtration in centrifuge 6 later, finished product from from
The discharge port 15 of scheming 6 is dried after being discharged to get magnesium sulfate finished product.Filtered raffinate is discharged through the leakage fluid dram 16 of centrifuge 6,
It can be used as mother liquor and be again fed to the participation reaction of neutralization reaction pond 2, entire treatment process does not generate new pollutant, processing side
Method environmental protection is reliable, creates advantageous condition for being effectively treated for waste water.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field, although
Present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features, it is all
Within the spirit and principles of the utility model, it is practical new to should be included in this for any modification, equivalent replacement, improvement and so on
Within the protection scope of type.
Claims (5)
1. a kind of dilute sulfuric acid waste water treatment system, which is characterized in that including multiple neutralization reaction ponds (2), filter press (3), collect
Pond (4), multiple decrease temperature crystalline kettles (5), centrifuge (6);The top of the neutralization reaction pond (2) is provided with feed well (17), in
It is connected to by pipeline (9), hydraulic station (10) with the inlet (11) of filter press (3) with reaction tank (2), filter press (3) goes out liquid
Mouthful (12) are connected to by pipeline (9) with collecting pit (4), collecting pit (4) pass through pipeline (9) respectively with multiple decrease temperature crystalline kettles (5)
Feed inlet (13) connection;Multiple decrease temperature crystalline kettles (5) connect after being summarized by pipeline (9) through discharge nozzle (14) and centrifuge (6)
Logical, the edge of centrifuge (6) is provided with discharge port (15) and leakage fluid dram (16).
2. dilute sulfuric acid waste water treatment system as described in claim 1, which is characterized in that multiple neutralization reaction ponds (2)
On be connected separately with wastewater feed pipe (1), pressure gauge (7) are installed on wastewater feed pipe (1).
3. dilute sulfuric acid waste water treatment system as claimed in claim 1 or 2, which is characterized in that the multiple neutralization reaction pond (2)
Between by pipeline (9) be connected to.
4. dilute sulfuric acid waste water treatment system as claimed in claim 3, which is characterized in that on the multiple neutralization reaction pond (2)
It is respectively arranged with solution elevating pump (8), solution elevating pump (8) is connected to the pipeline (9) being mounted on neutralization reaction pond (2).
5. dilute sulfuric acid waste water treatment system as claimed in claim 3, which is characterized in that be also equipped on the collecting pit (4)
Solution elevating pumps (8), and solution elevating pump (8) is connected to the pipeline (9) being mounted on collecting pit (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822226036.8U CN209259849U (en) | 2018-12-28 | 2018-12-28 | A kind of dilute sulfuric acid waste water treatment system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822226036.8U CN209259849U (en) | 2018-12-28 | 2018-12-28 | A kind of dilute sulfuric acid waste water treatment system |
Publications (1)
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CN209259849U true CN209259849U (en) | 2019-08-16 |
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CN201822226036.8U Expired - Fee Related CN209259849U (en) | 2018-12-28 | 2018-12-28 | A kind of dilute sulfuric acid waste water treatment system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112758966A (en) * | 2020-12-30 | 2021-05-07 | 莱州市中大贵合化工有限公司 | Production process of magnesium sulfate heptahydrate and magnesium sulfate heptahydrate production equipment |
-
2018
- 2018-12-28 CN CN201822226036.8U patent/CN209259849U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112758966A (en) * | 2020-12-30 | 2021-05-07 | 莱州市中大贵合化工有限公司 | Production process of magnesium sulfate heptahydrate and magnesium sulfate heptahydrate production equipment |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20211228 |
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CF01 | Termination of patent right due to non-payment of annual fee |