CN204958599U - Professional equipment of ammonia nitrogen diffusion barrier refuse disposal filtration liquid technology - Google Patents
Professional equipment of ammonia nitrogen diffusion barrier refuse disposal filtration liquid technology Download PDFInfo
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- CN204958599U CN204958599U CN201520657426.4U CN201520657426U CN204958599U CN 204958599 U CN204958599 U CN 204958599U CN 201520657426 U CN201520657426 U CN 201520657426U CN 204958599 U CN204958599 U CN 204958599U
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Abstract
The utility model provides a professional equipment of ammonia nitrogen diffusion barrier refuse disposal filtration liquid technology, makes the ammonia nitrogen in the waste water absorbed by sour absorption liquid with gaseous form, turns into ammonium salt recycle, has solved low carbon -nitrogen ratio, high ammonia -nitrogen concentration landfill leachate problem hard to manage, has improved landfill leachate deamination treatment effeciency and economic benefits.
Description
Technical field
The utility model belongs to waste water physicochemical method denitride technology field, specifically just relates to a kind of specific equipment of ammonia nitrogen separatory membrane treating refuse percolate technique, adopts ammonia nitrogen separatory membrane to carry out deamination process to percolate.
Background technology
Percolate is a kind of organic waste water of complexity, there is the features such as high ammonia nitrogen, biodegradability be low, at present, the method of percolate denitrogenation processing mainly contains physico-chemical process and biological process, and for the percolate of low C/N, high ammonia nitrogen, the treatment of advanced stage landfill leachate that especially the landfill time is longer, carbon source wretched insufficiency, nutritive props serious unbalance, comparatively large to the restraining effect of biological treatment, should not directly be carried out a biological disposal upon.Therefore, physico-chemical process denitride technology becomes the major technique of this type of high ammonia-nitrogen wastewater process current.
Physico-chemical process denitride technology mainly contains ammonia aeration method, ammonia still process method, the precipitator method, break point chlorination method, ion exchange method etc.Specifically, (1) ammonia aeration method technique is simple, not by the impact of toxicant, but strict to temperature control requirement, ammonia nitrogen removal efficiency is not high, generally only has 60% ~ 80%; (2) ammonia still process method is divided into direct ammonia still process and indirect ammonia still process, and the steam condensate after direct ammonia still process enters in waste water, and increase processing load and the cost of waste water, efficiency of energy utilization is low, and ammonia still process quality affects greatly by additional steam; Indirect ammonia distillation process equipment is complicated, and efficiency of energy utilization is low, need regularly replace heat-conducting medium, working cost is higher, complicated operation; (3) magnesium ammonium phosphate sediment that the precipitator method and magnesium ammonium phosphate sediment method generate is a kind of compound manure, can realize changing waste into resources, but added amount of chemical is large and expensive, Practical Project should not adopt; (4) break point chlorination method can be oxidized all ammonia nitrogens, and react fast, take up an area little, less investment, but can produce more chlorine residue (as CHCl3), contaminate environment, and working cost is high, operational requirement is strict; (5) gaseous ammonia that ion exchange method produces can reclaim, but organic substance easily causes resin-bonded, and during Reusability, a large amount of positively charged ion can affect deamination effect, and investment running cost is high.
Utility model content
In the last few years, membrane technique is used widely in water treatment field, but utilize membrane technique to carry out waste water deaminizing process and be still in conceptual phase, the utility model have developed a kind of specific equipment of ammonia nitrogen separatory membrane treating refuse percolate technique, ammonia nitrogen in waste water is absorbed by sour absorption liquid in gaseous form, be converted into ammonium salt reclamation to utilize, solve low C/N, the unmanageable problem of high ammonia nitrogen landfill leachate, improve percolate deamination processing efficiency and economic benefit.
Technical scheme
In order to realize above-mentioned technical purpose, the specific equipment of the utility model design ammonia nitrogen separatory membrane treating refuse percolate technique, it is characterized in that: it comprises raw water box, the first intake pump, preatreating reactors, intermediate water tank, the second intake pump, multistage ammonia nitrogen separation membrane element, sludge treating block, sour respiratory box, sour absorption pump and product water tank;
Described raw water box is connected with preatreating reactors, the first intake pump connecting pipeline is equipped with, the mud output terminal of preatreating reactors connects sludge treating system, clear liquid output terminal connects intermediate water tank, and intermediate water tank and multistage ammonia nitrogen separation membrane element, connecting pipeline is equipped with the second intake pump, acid respiratory box is connected with multistage ammonia nitrogen separation membrane element, connecting pipeline is equipped with sour absorption pump, the product water end (W.E.) of multistage ammonia nitrogen separation membrane element connects product water tank, and acid recovery end connects back sour respiratory box.
Further, described multistage ammonia nitrogen separation membrane element is provided with plural serial stage ammonia nitrogen separating film element and Membrane cleaning unit, and the front end of each grade of water inlet is equipped with interchanger and accurate filter successively.
Further, every primary acids absorption liquid entrance end of described multistage ammonia nitrogen separation membrane element is connected with sour absorption pump, and every primary acids absorption liquid exit end connects back sour respiratory box.
Beneficial effect
The specific equipment of the ammonia nitrogen separatory membrane treating refuse percolate technique of the utility model design, ammonia nitrogen in waste water is absorbed by sour absorption liquid in gaseous form, be converted into ammonium salt reclamation to utilize, solve low C/N, the unmanageable problem of high ammonia nitrogen landfill leachate, improve percolate deamination processing efficiency and economic benefit.
Accompanying drawing explanation
Fig. 1 is the process flow sheet of the utility model embodiment.
Fig. 2 is the connection diagram of the utility model embodiment specific equipment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Embodiment
As shown in Figure 2, a kind of specific equipment of ammonia nitrogen separatory membrane treating refuse percolate technique, it comprises raw water box 1, first intake pump 2, preatreating reactors 3, intermediate water tank 4, second intake pump 5, multistage ammonia nitrogen separation membrane element 6, sludge treating block 7, sour respiratory box 8, sour absorption pump 9 and product water tank 10;
Described raw water box 1 is connected with preatreating reactors 3, the first intake pump 2 connecting pipeline is equipped with, the mud output terminal of preatreating reactors 3 connects sludge treating system 7, clear liquid output terminal connects intermediate water tank 4, intermediate water tank 4 and multistage ammonia nitrogen separation membrane element 6, the second intake pump 5 connecting pipeline is equipped with, acid respiratory box 8 is connected with multistage ammonia nitrogen separation membrane element 6, sour absorption pump 9 connecting pipeline is equipped with, the product water end (W.E.) of multistage ammonia nitrogen separation membrane element 6 connects product water tank 10, and acid recovery end connects back sour respiratory box 8.
Described multistage ammonia nitrogen separation membrane element 6 is provided with plural serial stage ammonia nitrogen separating film element and Membrane cleaning unit, and the front end of each grade of water inlet is equipped with interchanger and accurate filter successively.
Every primary acids absorption liquid entrance end of described multistage ammonia nitrogen separation membrane element 6 is connected with sour absorption pump 9, and every primary acids absorption liquid exit end connects back sour respiratory box 8.
As shown in Figure 1.Above-mentioned special purpose device is utilized to carry out the technological process of ammonia nitrogen separatory membrane treating refuse percolate as follows:
The first step: percolate is pumped into pretreatment system, add the scope that alkali regulates pH to 10 ~ 12, fully react, remove SS, the COD etc. in water, and the ammonium radical ion in waste water is transformed into free ammonia, the precipitation generated in reaction process enters sludge treating system with the formation of mud, and clear liquid enters multistage ammonia nitrogen separation membrane system;
Second step: multistage ammonia nitrogen separation membrane system is sent in the pre-treatment water outlet that the first step obtains, control wastewater temperature 20 ~ 50 DEG C, pH is in the scope of 10 ~ 12, waste water is successively after one-level, secondary, the multistage deamination process such as three grades, free ammonia in waste water is separated formation ammonia, makes finally to produce water ammonia-nitrogen content and is down to below 8mg/L;
3rd step: the ammonia that second step is separated enters sour absorption system, sour absorption liquid, under pH is the condition of 0.5 ~ 4.0, enters deamination system at different levels from opposite side respectively, absorbs the ammonia nitrogen gas that deamination system at different levels produces, and forms ammonium salt; Wherein, sour absorption liquid carries out recycle, ammonium salt recoverable.
The specific equipment of the ammonia nitrogen separatory membrane treating refuse percolate technique of the utility model design, ammonia nitrogen in waste water is absorbed by sour absorption liquid in gaseous form, be converted into ammonium salt reclamation to utilize, solve low C/N, the unmanageable problem of high ammonia nitrogen landfill leachate, improve percolate deamination processing efficiency and economic benefit.
Claims (3)
1. the specific equipment of ammonia nitrogen separatory membrane treating refuse percolate technique, it is characterized in that: it comprises raw water box (1), the first intake pump (2), preatreating reactors (3), intermediate water tank (4), the second intake pump (5), multistage ammonia nitrogen separation membrane element (6), sludge treating block (7), sour respiratory box (8), sour absorption pump (9) and product water tank (10);
Described raw water box (1) is connected with preatreating reactors (3), the first intake pump (2) connecting pipeline is equipped with, the mud output terminal of preatreating reactors (3) connects sludge treating system (7), clear liquid output terminal connects intermediate water tank (4), intermediate water tank (4) and multistage ammonia nitrogen separation membrane element (6), the second intake pump (5) connecting pipeline is equipped with, acid respiratory box (8) is connected with multistage ammonia nitrogen separation membrane element (6), sour absorption pump (9) connecting pipeline is equipped with, the product water end (W.E.) of multistage ammonia nitrogen separation membrane element (6) connects product water tank (10), acid recovery end connects back sour respiratory box (8).
2. the specific equipment of ammonia nitrogen separatory membrane treating refuse percolate technique as claimed in claim 1, it is characterized in that: described multistage ammonia nitrogen separation membrane element (6) is provided with plural serial stage ammonia nitrogen separating film element and Membrane cleaning unit, and the front end of each grade of water inlet is equipped with interchanger and accurate filter successively.
3. the specific equipment of ammonia nitrogen separatory membrane treating refuse percolate technique as claimed in claim 1, it is characterized in that: every primary acids absorption liquid entrance end of described multistage ammonia nitrogen separation membrane element (6) is connected with sour absorption pump, and every primary acids absorption liquid exit end connects back sour respiratory box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520657426.4U CN204958599U (en) | 2015-08-27 | 2015-08-27 | Professional equipment of ammonia nitrogen diffusion barrier refuse disposal filtration liquid technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520657426.4U CN204958599U (en) | 2015-08-27 | 2015-08-27 | Professional equipment of ammonia nitrogen diffusion barrier refuse disposal filtration liquid technology |
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| CN204958599U true CN204958599U (en) | 2016-01-13 |
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| CN201520657426.4U Active CN204958599U (en) | 2015-08-27 | 2015-08-27 | Professional equipment of ammonia nitrogen diffusion barrier refuse disposal filtration liquid technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106810026A (en) * | 2017-03-14 | 2017-06-09 | 深圳能源资源综合开发有限公司 | A kind of garbage leachate treatment process and its special equipment |
| CN112010496A (en) * | 2020-07-14 | 2020-12-01 | 武汉上善清源环保科技有限公司 | High-efficient landfill leachate processing apparatus |
-
2015
- 2015-08-27 CN CN201520657426.4U patent/CN204958599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106810026A (en) * | 2017-03-14 | 2017-06-09 | 深圳能源资源综合开发有限公司 | A kind of garbage leachate treatment process and its special equipment |
| CN112010496A (en) * | 2020-07-14 | 2020-12-01 | 武汉上善清源环保科技有限公司 | High-efficient landfill leachate processing apparatus |
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