CN205419836U - Remove ammonia tower and remove ammonia system - Google Patents
Remove ammonia tower and remove ammonia system Download PDFInfo
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- CN205419836U CN205419836U CN201620109768.7U CN201620109768U CN205419836U CN 205419836 U CN205419836 U CN 205419836U CN 201620109768 U CN201620109768 U CN 201620109768U CN 205419836 U CN205419836 U CN 205419836U
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Abstract
The utility model relates to a removing the ammonia tower and adopting this ammonia system of removing of removing the ammonia tower, mainly adopt void tower to blow to take off and blow mode that the out -of -phase combines and carry out the secondary and remove ammonia with packing, can detach partly ammonia nitrogen in the shower nozzle dispersion process, the packing layer can be to ammonia nitrogen wastewater dispersion once more, remove ammonia, removes the ammonia effect through above -mentioned dual, removes the ammonia method and removes once removing ammonia efficiency and can reaching 85%~95% at least of ammonia tower. Since void tower blow take off follow -up pack with blowing to take off strengthen to remove ammonia, consequently can reduce the requirement to the shower nozzle decentralization for the shower nozzle is difficult to be blockked up, packing and adopting the form of fluidized bed, the whole service in -process is in boiling state, has so not only increased ammonia nitrogen wastewater's dwell time, has improved and has removed ammonia efficiency, is in boiling state owing to pack moreover, the difficult jam problem that takes place.
Description
Technical field
This utility model belongs to ammonia nitrogenous wastewater treatment technology field, is specifically related to a kind of ammonia removal column and except ammonia system.
Background technology
At present, main have vaporizing extract process, blow-off method except ammonia technology, and the equipment matched therewith is stripping tower, stripper.Stripping possesses certain intrinsic advantage with stripping except ammonia compared with ammonia, and its major defect is that operating cost is high.Stripping tower mainly has two kinds: one is void tower, and one is packed tower.The feature of void tower is that dispersion is the highest except ammonia efficiency is directly proportional to dispersion, and one time ammonia removal efficiency is the best；Its shortcoming is that dispersion is the highest, shower nozzle the most easily blocks, so in the case of not blocking up in ensureing shower nozzle three months, can only adjusting pH with sodium hydroxide, it is once the highest not over 85% except ammonia efficiency, if adjusting pH with calcium oxide, once the highest not over 70% except ammonia efficiency.
Packed tower, compared with void tower, has an advantage in that, it is little with the relation of dispersion except ammonia efficiency；Its shortcoming is, the most effective calcium oxide or sodium hydroxide adjust pH, the problem that all can there is filler blocking in running, and filler blocking, scale removal process and difficulty thereof once occur.
Utility model content
This utility model embodiment relates to a kind of ammonia removal column and except ammonia system, at least can solve the segmental defect of prior art.
This utility model embodiment relates to a kind of ammonia removal column, including tower body, multistage it is disposed with except ammonia section in described tower body, at least one section of void tower stripping section and at least one section of filler stripping section is included except ammonia section described in multistage, at least one section of described filler stripping section below every section of described void tower stripping section, at least provided with an air inlet on the tower body below every section of described filler stripping section；It is provided with at least one aerosol dispersion shower nozzle in described void tower stripping section, in described filler stripping section, is provided with fluidized packing material layer.
As one of embodiment, being provided with multiple described aerosol dispersion shower nozzle in described void tower stripping section, each described aerosol dispersion shower nozzle is arranged symmetrically with along tower body axis.
As one of embodiment, described fluidized packing material layer is supported by air distribution plate.
As one of embodiment, the filler in described fluidized packing material layer is the sphere of hollow out.
This utility model embodiment relates to a kind of except ammonia system, including alkali tune Sedimentation tank and except ammonia mechanism, described includes at least one-level ammonia removal column as above except ammonia mechanism, and the gas outlet of each described ammonia removal column all connects with acid absorption column.
This utility model embodiment at least achieves following beneficial effect: by the ammonia removal equipment using void tower stripping to combine with filler stripping, a part of ammonia nitrogen can be removed in shower nozzle dispersive process, ammonia nitrogen waste water can be disperseed, except ammonia by packing layer again, through above-mentioned dual except ammonia effect, ammonia removal column once except ammonia efficiency is at least up to 85%～95%.Carrying out the strengthening of filler stripping owing to void tower stripping is follow-up and remove ammonia, therefore can reduce the requirement to shower nozzle dispersion so that shower nozzle is not easily blocked, the most effective calcium oxide or sodium hydroxide adjust pH, and in can ensureing to run 6 months, shower nozzle does not blocks；Filler uses the form of fluid bed, is in fluidized state, the most not only increases the time of staying of ammonia nitrogen waste water, improve except ammonia efficiency, and owing to filler is in fluidized state, be not susceptible to blockage problem during whole service.
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.
The structural representation of the ammonia removal column that Fig. 1 provides for this utility model embodiment；
Fig. 2 for this utility model embodiment provide except the flowage structure schematic diagram of ammonia system.
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, all other embodiments that those of ordinary skill in the art are obtained on the premise of not making creative work, broadly fall into the scope of this utility model protection.
Embodiment one
This utility model embodiment provides a kind of ammonia-removal method, and the method is: carry out ammonia nitrogen waste water aerosol dispersion by aerosol dispersion shower nozzle 203, carries out ammonia nitrogen waste water once except ammonia；Through once carrying out secondary except ammonia except the ammonia nitrogen waste water of ammonia enters fluidized packing material layer 202.Wherein, once can carry out in two ammonia removal columns respectively except ammonia except ammonia and secondary, i.e. use that void tower stripping connects with packed tower stripping except ammonia mode；Also can be in just aerosol dispersion shower nozzle 203 and fluidized packing material layer 202 be installed on same ammonia removal column 2.The strengthening of filler stripping is carried out except ammonia owing to void tower stripping is follow-up, therefore the requirement to shower nozzle 203 dispersion can be reduced, once get final product (in the present embodiment except ammonia efficiency reaches 60%～70%, it can be controlled in about 65%), thus shower nozzle 203 is not easily blocked, the most effective calcium oxide or sodium hydroxide adjust pH, and in can ensureing to run 6 months, shower nozzle 203 does not blocks；Filler uses the form of fluid bed, is in fluidized state, the most not only increases the time of staying of ammonia nitrogen waste water, improve except ammonia efficiency, and owing to filler is in fluidized state, be not susceptible to blockage problem during whole service.
In said method, the mode that one or more levels void tower is connected can be arranged as required to one or more levels packed tower；For the mode that aerosol dispersion shower nozzle 203 and fluidized packing material layer 202 are installed in same ammonia removal column 2, it is possible to arrange one or more levels ammonia removal column 2 according to ammonia removal column 2 except ammonia efficiency.
Continue above-mentioned ammonia-removal method, in the present embodiment, is preferably and aerosol dispersion shower nozzle 203 and fluidized packing material layer 202 is installed in same ammonia removal column 2, illustrate the concrete structure of this ammonia removal column 2 below in embodiment two.
Embodiment two
Such as Fig. 1, this utility model embodiment relates to a kind of ammonia removal column 2, including tower body 201, multistage it is disposed with except ammonia section in described tower body 201, at least one section of void tower stripping section and at least one section of filler stripping section is included except ammonia section described in multistage, at least one section of described filler stripping section below every section of described void tower stripping section, at least provided with an air inlet on the tower body 201 below every section of described filler stripping section；It is provided with at least one aerosol dispersion shower nozzle 203 in described void tower stripping section, in described filler stripping section, is provided with fluidized packing material layer 202.Time actually used, the structure that multistage void tower stripping Duan Yuyi section filler stripping section coordinates can be arranged as required to, it is possible to it is identical and be spaced layout one by one that the quantity of void tower stripping section and filler stripping section is set, between the most every two sections of filler stripping sections, has one section of void tower stripping section.In the present embodiment, using one section of void tower stripping section and one section of filler stripping section, void tower stripping section is positioned at above filler stripping section；One air inlet, a gas outlet, a water inlet and an outlet are set on tower body 201, air inlet is located at tower body 201 bottom and is positioned at below packing layer 202, air inlet connects aerator, forms convection current by blasting air with ammonia nitrogen waste water, thus takes away the free ammonia in ammonia nitrogen waste water；Gas outlet is positioned at tower body 201 top, and as the outlet of air Yu ammonia, it is communicated to acid absorption column；Water inlet is connected with each aerosol dispersion shower nozzle 203 as the inlet port of ammonia nitrogen waste water, and it is connected with alkali tune Sedimentation tank, processes in the supernatant of alkali tune Sedimentation tank is introduced to tower；Outlet is located at tower body 201 bottom and arranges bottom tower body 201, will discharge except the ammonia nitrogen waste water after ammonia, and the pore size of this outlet is typically directly proportional to ammonia nitrogen waste water treating capacity.It addition, arrange demister 204 at tower top, air and ammonia are re-introduced into acid absorption column after except mist.Every laminarization packing layer 202 is supported by piece of cloth aerofoil 205, and air distribution plate 205, while supporting fluidized packing material, can play and in the flow process of whole tower body 201, the air blasted is played certain distributional effects.In above-mentioned fluidized packing material layer 202, it is lighter in the hollow out ball material blown afloat that the preferably employing of the filler in described fluidized packing material layer 202 has certain degree of hardness, rub resistance and quality.
Usually, being provided with multiple described aerosol dispersion shower nozzle 203 in described void tower stripping section, each described aerosol dispersion shower nozzle 203 is arranged symmetrically with along tower body 201 axis.Each aerosol dispersion shower nozzle 203 is preferably and is circular layout along tower body 201 cross section, and the spray area of each aerosol dispersion shower nozzle 203 should ensure that covering tower body 201 cross section, it is ensured that except ammonia efficiency.The dispersion of each aerosol dispersion shower nozzle 203 does not require too high, it is ensured that void tower stripping is except the efficiency of ammonia is 60%～70%.
Embodiment three
Such as Fig. 2, this utility model embodiment relates to a kind of except ammonia system, including alkali tune Sedimentation tank 1 and except ammonia mechanism, described includes that at least one-level ammonia removal column as above 2, the gas outlet of each described ammonia removal column 2 all connect with acid absorption column 3 except ammonia mechanism.Ammonia nitrogen waste water enters alkali tune Sedimentation tank 1 and precipitates, the mud that precipitation obtains dries outward transport, the supernatant obtained enters ammonia removal column 2 to be carried out except ammonia treatment, entering acid absorption column 3 through ammonia removal column 2 gas outlet expellant gas to process, the liquid discharged through ammonia removal column 2 outlet carries out discharging or enter next stage ammonia removal column 2 and processes.
Embodiment four
The present embodiment carry out the ammonia removal column 2 provided in void tower, packed tower, stripper and embodiment two except ammonia Contrast on effect:
The waste water that a collection of ammonia nitrogen concentration is 20000mg/L is processed below 50mg/L, and void tower once calculates (being about 75% in practical engineering application) except ammonia efficiency by the highest 80% here, and packed tower calculates according to 75%.Its contrast is as follows:
| Tower classification | Void tower | Packed tower | Stripper | Ammonia removal column |
| Once except ammonia efficiency | 80% | 75% | 100% | 90% |
| Operating cost of water per ton | 1.5 yuan/grade | 1.5 yuan/grade | 38 yuan/grade | 1.5 yuan/grade |
| Required progression | 4 | 5 | 1 | 3 |
| Water total operating cost per ton | 6 yuan | 7.5 it is first | 38 | 4.5 |
| Run down time | The 1-3 month | The 3-5 month | June | June |
In above-described embodiment, in actual engineer applied, void tower wants to reach to run three months and shower nozzle does not occur to block situation about changing, and it once not can exceed that 75% except ammonia efficiency is the highest, so wants to produce a desired effect, and minimum needs six grades remove ammonia.
Therefore, the ammonia removal column 2 that this utility model relates to is in the case of ventilation, inflow, ammonia nitrogen concentration are certain, and ammonia nitrogen is few except the progression needed for discharge standard up to standard, can effectively reduce energy resource consumption, reduce operating cost；This ammonia removal column 2 is except ammonia efficiency is up to 85%～95%, and shower nozzle and filler do not block in can ensureing to run 6 months, thus reduces manual maintenance cost.
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 (5)
1. an ammonia removal column, including tower body, it is characterized in that: be disposed with multistage in described tower body except ammonia section, at least one section of void tower stripping section and at least one section of filler stripping section is included except ammonia section described in multistage, at least one section of described filler stripping section below every section of described void tower stripping section, at least provided with an air inlet on the tower body below every section of described filler stripping section；It is provided with at least one aerosol dispersion shower nozzle in described void tower stripping section, in described filler stripping section, is provided with fluidized packing material layer.
Ammonia removal column the most according to claim 1, it is characterised in that: being provided with multiple described aerosol dispersion shower nozzle in described void tower stripping section, each described aerosol dispersion shower nozzle is arranged symmetrically with along tower body axis.
Ammonia removal column the most according to claim 1, it is characterised in that: described fluidized packing material layer is supported by air distribution plate.
Ammonia removal column the most according to claim 1, it is characterised in that: the filler in described fluidized packing material layer is the sphere of hollow out.
5. except an ammonia system, including alkali tune Sedimentation tank and except ammonia mechanism, it is characterised in that: described including at least one-level ammonia removal column as according to any one of Claims 1-4 except ammonia mechanism, the gas outlet of each described ammonia removal column all connects with acid absorption column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620109768.7U CN205419836U (en) | 2016-02-03 | 2016-02-03 | Remove ammonia tower and remove ammonia system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620109768.7U CN205419836U (en) | 2016-02-03 | 2016-02-03 | Remove ammonia tower and remove ammonia system |
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| Publication Number | Publication Date |
|---|---|
| CN205419836U true CN205419836U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620109768.7U Expired - Fee Related CN205419836U (en) | 2016-02-03 | 2016-02-03 | Remove ammonia tower and remove ammonia system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540715A (en) * | 2016-02-03 | 2016-05-04 | 武汉兴天宇环境工程有限公司 | Ammonia removal method, ammonia removal tower and ammonia removal system |
-
2016
- 2016-02-03 CN CN201620109768.7U patent/CN205419836U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540715A (en) * | 2016-02-03 | 2016-05-04 | 武汉兴天宇环境工程有限公司 | Ammonia removal method, ammonia removal tower and ammonia removal system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430223 No. 5-1 Wudayuan Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: WUHAN XINGTIANYU ENVIRONMENT CO.,LTD. Address before: 430223 No. 5-1 Wudayuan Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: WUHAN XINGTIANYU ENVIRONMENTAL ENGINEERING Co.,Ltd. |
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| 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: 20160803 Termination date: 20220203 |