CN205528093U - Chemical precipitation method combines adsorption method to handle phosphorous ammonia nitrogen wastewater's device - Google Patents
Chemical precipitation method combines adsorption method to handle phosphorous ammonia nitrogen wastewater's device Download PDFInfo
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- CN205528093U CN205528093U CN201521002758.5U CN201521002758U CN205528093U CN 205528093 U CN205528093 U CN 205528093U CN 201521002758 U CN201521002758 U CN 201521002758U CN 205528093 U CN205528093 U CN 205528093U
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Abstract
The utility model discloses a chemical precipitation method combines adsorption method to handle phosphorous ammonia nitrogen wastewater's device, its characterized in that, by MAP reactor, MAP sewage pump, MAP swirler, congeal water tank, sewage force (forcing) pump, adsorber and constitute, MAP reactor and MAP sewage pump connection, MAP sewage pump 2 is connected with MAP swirler, MAP swirler with congeal the water tank and be connected, it is connected with the sewage force (forcing) pump to congeal the water tank, the sewage force (forcing) pump is connected with the adsorber. The utility model discloses a composite treatment system that chemical precipitation ware of magnesium ammonium phosphate (be called for short MAP) and adsorber are constituteed can reach the purpose of effectively getting rid of high -concentration ammonia nitrogen in the water, and this the device can reach national sewage pollution thing and discharge tertiary standard through the industry actual motion, has better economic environmental protection profit.
Description
Technical field
This utility model belongs to sewage treatment area, combines absorption method more specifically to a kind of chemical precipitation method and processes the device of phosphorous ammonia nitrogen waste water.
Background technology
Ammonia nitrogen be in aqueous environment nitrogen be primarily present form, be cause body eutrophication and pollute environment the important polluter of one.The most conventional ammonia nitrogenous wastewater treatment technology includes absorption method, air stripping method, biological denitrificaion method and chemical precipitation method.But in actual motion, these processing methods have its specific scope of application or limitation.
Utility model content
The utility model proposes a kind of chemical precipitation method and combine the device of the absorption method phosphorous ammonia nitrogen waste water of process, this device is to utilize ammoniomagnesium phosphate chemical precipitation method and absorption method to combine process high-concentration ammonia nitrogenous wastewater, and chemical precipitation method is toward containing adding precipitant MgCl in ammonia nitrogen waste water2And NaH2PO4With NH4+Reaction generates MgNH4PO4·6H2O precipitation (is called for short MAP)；Absorption method uses PNX-1 adsorbent to process ammonia nitrogen, phosphorus, heavy metal ion etc..
This utility model realizes particular by techniques below scheme:
A kind of chemical precipitation method combines absorption method and processes the device of phosphorous ammonia nitrogen waste water, it is made up of MAP reactor, MAP sewage pump, MAP cyclone, condensation tank, sewage force (forcing) pump, adsorber, described MAP reactor is connected with MAP sewage pump, described MAP sewage pump is connected with MAP cyclone, described MAP cyclone is connected with condensation tank, described condensation tank is connected with sewage force (forcing) pump, and described sewage force (forcing) pump is connected with adsorber.
Preferably, described MAP reactor is the bottom hydrostatic column with cone bucket, the internally installed agitating device of container, rotating speed 60～120r/min.
Preferably, described MAP reactor is provided with three interfaces.
Preferably, described condensation tank is provided with dilute sulfuric acid interface, and the pH value of the liquid in described condensation tank is 6～6.5.
Preferably, filling PNX-1 adsorbent in described adsorber, packed height is 2m～3m.
Preferably, in described adsorber, operating pressure is 0.2～0.4MPa；Running temperature is 20 DEG C～45 DEG C.
What this utility model produced has the beneficial effect that
(1), while having processed the ammonia nitrogen in sewage, phosphorus, the MAP precipitation of recovery can be as slow-release fertilizer；
(2) utilize ammoniomagnesium phosphate chemical precipitation method and absorption method to combine, evade the limitation of various process ammonia nitrogen method；
(3) simple in construction, easy for installation, operating procedure is simple.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of MAP reactor.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
A kind of chemical precipitation method combines absorption method and processes the device of phosphorous ammonia nitrogen waste water, it is made up of MAP reactor 1, MAP sewage pump 2, MAP cyclone 3, condensation tank 4, sewage force (forcing) pump 5, adsorber 6, described MAP reactor 1 is connected with MAP sewage pump 2, described MAP sewage pump 2 is connected with MAP cyclone 3, described MAP cyclone 3 is connected with condensation tank 4, described condensation tank 4 is connected with sewage force (forcing) pump 5, and described sewage force (forcing) pump 5 is connected with adsorber 6.
Preferably in the present embodiment, MAP reactor 1 is the bottom hydrostatic column with cone bucket 7, the internally installed agitating device of container 8, rotating speed 60～120r/min, preferably 90r/min；MAP reactor 1 is provided with three interfaces, is respectively connected to magnesium chloride and the mixed solution of sodium dihydrogen phosphate, sodium hydroxide solution, high-concentration ammonia nitrogenous wastewater, and in MAP reactor 1, reaction temperature is 25～35 degrees Celsius, and pH value is 9.5～10.5, and preferable ph is 9.7；Magnesium, nitrogen, the mol ratio of phosphorus are 1.2:1:1, response time 30～60min, preferably 45min with this understanding；Described condensation tank 4 is provided with dilute sulfuric acid interface, and the pH value of the liquid in described condensation tank 4 is 6～6.5, and preferable ph is 6；Filling PNX-1 adsorbent in described adsorber 6, packed height is 2m～3m, preferably 2.5m, and in described adsorber 6, operating pressure is 0.2～0.4MPa, preferably 0.3MPa；Running temperature is 20 DEG C～45 DEG C, preferably 30 DEG C.
Operation principle of the present utility model is: magnesium chloride, sodium dihydrogen phosphate, sodium hydroxide, high-concentration ammonia nitrogenous wastewater respectively enters MAP reactor according to a certain percentage, the stirring mixing of agitated device stops 30～60min generation MAP precipitations, then it is pressurized to 0.4Mpa by MAP sewage pump and enters MAP cyclone separation MAP precipitation, cyclone overflow water outlet enters condensation tank buffering, with pH value of sewage water in dilute sulfuric acid regulation condensation tank to 6～6.5, then it is pressurized to 0.3Mpa through sewage force (forcing) pump and enters adsorber, outside final sewage qualified discharge to battery limit (BL).
Embodiment
This novel process route is used in May, 2015-November to establish device in Tianjin factory and run.
The engineer applied of this system route shows that this device route is ammoniomagnesium phosphate chemical precipitation method and absorption method combines and processes the effective way of ammonia nitrogen in high density.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (6)
1. a chemical precipitation method combines absorption method and processes the device of phosphorous ammonia nitrogen waste water, it is characterized in that, by MAP reactor (1), MAP sewage pump (2), MAP cyclone (3), condensation tank (4), sewage force (forcing) pump (5), adsorber (6) forms, described MAP reactor (1) is connected with MAP sewage pump (2), described MAP sewage pump (2) is connected with MAP cyclone (3), described MAP cyclone (3) is connected with condensation tank (4), described condensation tank (4) is connected with sewage force (forcing) pump (5), described sewage force (forcing) pump (5) is connected with adsorber (6).
A kind of chemical precipitation method the most as claimed in claim 1 combines absorption method and processes the device of phosphorous ammonia nitrogen waste water, it is characterized in that, described MAP reactor (1) is the bottom hydrostatic column with cone bucket (7), the internally installed agitating device of container (8), rotating speed 60～120r/min.
A kind of chemical precipitation method the most as claimed in claim 1 or 2 combines absorption method and processes the device of phosphorous ammonia nitrogen waste water, it is characterised in that described MAP reactor (1) is provided with three interfaces.
A kind of chemical precipitation method the most as claimed in claim 1 combines absorption method and processes the device of phosphorous ammonia nitrogen waste water, it is characterized in that, described condensation tank (4) is provided with dilute sulfuric acid interface, and the pH value of the liquid in described condensation tank (4) is 6～6.5.
A kind of chemical precipitation method the most as claimed in claim 1 combines absorption method and processes the device of phosphorous ammonia nitrogen waste water, it is characterised in that filling PNX-1 adsorbent in described adsorber (6), packed height is 2m～3m.
A kind of chemical precipitation method the most as claimed in claim 5 combines absorption method and processes the device of phosphorous ammonia nitrogen waste water, it is characterised in that described adsorber (6) interior operating pressure is 0.2～0.4MPa；Running temperature is 20 DEG C～45 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521002758.5U CN205528093U (en) | 2015-12-04 | 2015-12-04 | Chemical precipitation method combines adsorption method to handle phosphorous ammonia nitrogen wastewater's device |
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| CN201521002758.5U CN205528093U (en) | 2015-12-04 | 2015-12-04 | Chemical precipitation method combines adsorption method to handle phosphorous ammonia nitrogen wastewater's device |
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| CN205528093U true CN205528093U (en) | 2016-08-31 |
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| CN201521002758.5U Expired - Fee Related CN205528093U (en) | 2015-12-04 | 2015-12-04 | Chemical precipitation method combines adsorption method to handle phosphorous ammonia nitrogen wastewater's device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587434A (en) * | 2016-12-20 | 2017-04-26 | 深圳市卓特环保节能技术有限公司 | Combined pretreatment process for high-concentration garbage leachate |
| CN107244726A (en) * | 2017-08-07 | 2017-10-13 | 北京化工大学 | A kind of method and system for handling high ammonia-nitrogen wastewater |
-
2015
- 2015-12-04 CN CN201521002758.5U patent/CN205528093U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587434A (en) * | 2016-12-20 | 2017-04-26 | 深圳市卓特环保节能技术有限公司 | Combined pretreatment process for high-concentration garbage leachate |
| CN107244726A (en) * | 2017-08-07 | 2017-10-13 | 北京化工大学 | A kind of method and system for handling high ammonia-nitrogen wastewater |
| CN107244726B (en) * | 2017-08-07 | 2020-11-20 | 北京化工大学 | Method and system for treating high ammonia nitrogen wastewater |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20201204 |