CN201016097Y - Ammonia nitrogen blowing-off device - Google Patents
Ammonia nitrogen blowing-off device Download PDFInfo
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- CN201016097Y CN201016097Y CNU2007200061852U CN200720006185U CN201016097Y CN 201016097 Y CN201016097 Y CN 201016097Y CN U2007200061852 U CNU2007200061852 U CN U2007200061852U CN 200720006185 U CN200720006185 U CN 200720006185U CN 201016097 Y CN201016097 Y CN 201016097Y
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- pall ring
- ceramic pall
- ammonia
- pipe
- nitrogen
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Abstract
The utility model provides an ammonia-nitrogen desorption device, relating to a treatment of the industrial wastewater, in particular to a disposing device for the wastewater with ammonia and nitrogen. The utility model provides a disposing device for the wastewater with ammonia and nitrogen, namely, an ammonia-nitrogen desorption device which promise comparatively low running cost and the output water reaching the standard for discharge. A round cylinder is provided whose upper part is provided with a water intake pipe and a hanging ring, and while the top is provided with an air vent; wherein, the exit of the water intake pipe is provided with a diffusion pipe head, a sieve plate, a supporting block and an intake hole, wherein, the entrance of the diffusion pipe head is connected with the water intake pipe; moreover, the lower part of the round cylinder has an air intake pipe, a supporting leg and a water outtake pipe, and the inner cavity of the round cylinder is provided with an upper ceramic pall ring and a lower ceramic pall ring, wherein, the upper ceramic pall ring is provided with an upper supporting beam, and an upper graining board and a supporting block; whereas are arranged between the upper ceramic pall ring and the supporting beam, the lower ceramic pall ring is provided with a lower supporting beam, and a lower graining board and a supporting block is arranged between the lower ceramic pall ring and the lower supporting beam.
Description
Technical field
The utility model relates to a kind of processing of trade effluent, particularly relates to a kind of treatment unit of nitrogen-containing wastewater.
Background technology
In the Vanadium Pentoxide in FLAKES production process, can produce waste water, and the CODcr in the waste water, sexavalent chrome, ammonia nitrogen, PH, suspended substance, colourity and BOD etc. must be through handling, and the water outlet after the processing must reach the primary standard among the national comprehensive wastewater emission standard GB8978-1996 " integrated wastewater discharge standard ".CODcr in the waste water, pH, suspended substance, colourity and BOD have correlation method to solve in implementing integrated artistic, can reach emission standard; And the sexavalent chrome heavy metal in this trade effluent has also been carried out effective separating treatment, and contained heavy metal also reaches the relevant emission standard of country in the waste water.But contain ammonia nitrogen in the factory effluent,, can not discharge equally if the ammonia nitrogen in the waste water exceeds standard.Handling at present the common method that contains than the ammonia nitrogen waste water of high ingredient has to blow and drags method, break point chlorination, catalytic wet method and ion exchange method etc.
Tianli Environment Protection Co Ltd, Yixing City provides a kind of waste water ammonia nitrogen removal device in the utility model patent of notification number for CN2532067, comprise open container and intake-outlet, be provided with the smaller multilayer in the cross section excessive groove that catchments in the open container, every layer is catchmented to overflow and is provided with supersonic gas vibrating device in the groove.
Fudan University provides a kind of membrane type ammonia nitrogen removal equipment in the utility model patent of notification number for CN2383578, comprise column extractor, storage tank, pump, valve, tensimeter, under meter etc., the following series connection of each parts: the outlet of extraction agent storage tank connects with the extraction agent import of column extractor, the extraction agent outlet of column extractor connects with the import of extraction agent storage tank, column extractor is a membrane type tubular fibre structure, and recycle pump is the transmitting power of extraction agent.
The little peace of king is provided by surge a kind of ammonia nitrogen removal tower that provides in the application for a patent for invention of publication number for CN16006931, comprise tower body and the waste water inlet pipe, treating water outlet pipe, air feed tube and the bleeder that are fixedly mounted on the tower body, the column plate of multilayered structure is installed in tower body, the column plate top is equipped with scum dredger, liquid distribution pipe links to each other with the waste water inlet pipe, be installed in the top of scum dredger, air-distributor is connected with air feed tube, be installed in the below of column plate, the treating water outlet pipe is installed on the bottom (head) of tower body, and bleeder is installed on the cover head of tower body.
Harbin Institute of Technology provides a kind of ammonia Nitrogen eliminating chemical precipitator for treating of high-concentration ammonia nitrogenous wastewater in the application for a patent for invention of publication number for CN1772643, it comprises the first medicament pond, the first wriggling fluid filling pump, the second medicament pond, the second wriggling fluid filling pump, the 3rd medicament pond, the 3rd wriggling fluid filling pump, settling tank, reaction tank, pump, the bottom of settling tank is conical, and its bottom is provided with the spoil disposal valve; The inside of reaction tank is provided with mixed stirring device, and the bottom, lower end of reaction tank has a plurality of through holes, all is connected with the bend pipe of outwardly-bent 90 degree on each through hole; The port of the water inlet pipe of the first wriggling fluid filling pump is arranged on the bottom in the first liquid preparation pond, and the water outlet port of the first wriggling fluid filling pump is arranged on the upper port place of reaction tank; The port of the water inlet pipe of the second wriggling fluid filling pump is arranged on the bottom in the second liquid preparation pond, and the water outlet port of the second wriggling fluid filling pump is arranged on the upper port place of reaction tank; The port of the water inlet pipe of the 3rd wriggling fluid filling pump is arranged on the bottom in the 3rd liquid preparation pond, and the water outlet port of the 3rd wriggling fluid filling pump is arranged on the upper port place of reaction tank; The water inlet port of pump is the water inlet port of pending waste water, and the water outlet port of pump is arranged on the upper port place of reaction tank; Reaction tank is arranged on the inside upper part place of settling tank; The upper side wall of settling tank has water outlet, and is connected with rising pipe).
Summary of the invention
A kind of running cost is lower, the treatment unit of the nitrogen-containing wastewater of water outlet qualified discharge is the ammonia-nitrogen desorption device but the purpose of this utility model is to provide.
The technical solution of the utility model is to adopt blow-off method to utilize air that the ammonia-nitrogen desorption that exceeds standard in the trade effluent is separated.
The utility model is provided with circular cylinder body, be provided with water inlet pipe and suspension ring on circular cylinder body top, be provided with venting port at the circular cylinder body top, outlet at water inlet pipe is provided with diffusion tube head, sieve plate, back-up block and manhole, diffusion tube head inlet taps into water pipe, be provided with blast pipe, feet and rising pipe in the circular cylinder body bottom, be provided with ceramic Pall ring and following ceramic Pall ring at the circular cylinder body inner chamber, have the upper support beam at last ceramic Pall ring, between last ceramic Pall ring and supporting beam, be provided with upper face plate and back-up block.Have the lower support beam at following ceramic Pall ring, be provided with lower face plate and back-up block between ceramic Pall ring and the lower support beam down.
The stripping ratio juris is with the ion state ammonium in the waste water, is converted into molecular state ammonia by regulating the pH value, and the air that is passed into subsequently in the waste water blows out, and its reaction formula is:
NH
4 ++OH
-→NH
3↑+H
2O
During use, nitrogen-containing wastewater enters water inlet pipe, disperse from the sieve plate hole to flow downward through the diffusion tube head, air from gas blower enters the cylindrical shell bottom through blast pipe, forms air-flow to the cylindrical shell upper direction, and air-flow upwards flows through the ceramic Pall ring that is shelved on the card, nitrogen-containing wastewater flows downward by ceramic Pall ring, make water, gas fully contact like this, thereby the ammonia nitrogen gas in the water is separated from water, blow out from venting port and enter the ammonia nitrogen retrieving arrangement.The waste water that is separated ammonia nitrogen is from the water outlet qualified discharge.
Compare with existing ammonia nitrogen removal device, running cost of the present utility model is not high, and guarantees the water outlet qualified discharge, meets the primary standard among the national composite wastewater emission standard GB8978-1996 " integrated wastewater discharge standard ".
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the G direction view of Fig. 1.
Fig. 3 is the H direction view of Fig. 1.
Fig. 4 is sieve plate, the card structural representation of the utility model embodiment.
Fig. 5 is the diffuser tube header structure synoptic diagram of the utility model embodiment.
Fig. 6 is the ceramic Pall ring structural representation of the utility model embodiment.
Embodiment
Referring to Fig. 1～6, the utility model is provided with circular cylinder body, be provided with water inlet pipe 1 and suspension ring 2 on circular cylinder body top, be provided with venting port 3 at the circular cylinder body top, outlet at water inlet pipe 1 is provided with diffusion tube head 4, sieve plate 5, back-up block 6 and manhole 7, diffusion tube head 4 inlets tap into water pipe 1, be provided with blast pipe 8 in the circular cylinder body bottom, feet 9 and rising pipe 10, be provided with ceramic Pall ring 11 and following ceramic Pall ring 12 at the circular cylinder body inner chamber, have upper support beam 13 at last ceramic Pall ring 11, between last ceramic Pall ring 11 and supporting beam 13, be provided with upper face plate 14 and back-up block 15.Have lower support beam 16 at following ceramic Pall ring 12, be provided with lower face plate 17 and back-up block (not drawing in the drawings) between ceramic Pall ring 12 and the lower support beam 16 down.On sieve plate and card, be provided with intersection uniform boring 18 (referring to Fig. 4).
Water inlet pipe 1 external nitrogen-containing wastewater, in connect diffusion tube head 4 inlet, the nitrogen-containing wastewater that enters the utility model water inlet pipe has been regulated the pH value through dosing, venting port 3 connects the inlet row of (not the utility model) of ammonia nitrogen handling arrangement, rising pipe 10 connects and effluxes, and blast pipe 8 connects the air outlet of gas blower.
During use, nitrogen-containing wastewater enters water inlet pipe 1, disperse from the hole of sieve plate 5 to flow downward through diffusion tube head 4, enter the cylindrical shell bottom through blast pipe 8, form air-flow to the cylindrical shell upper direction from the air of gas blower, air-flow upwards flows through the ceramic Pall ring 11 that is shelved on the card 14, nitrogen-containing wastewater flows downward by ceramic Pall ring 11, makes aqueous vapor fully contact, thereby the ammonia nitrogen gas in the water is separated from water, blow out from venting port 3, enter the ammonia nitrogen retrieving arrangement.The waste water that is separated ammonia nitrogen is from water outlet 10 qualified discharges.
Design variable is ammonia nitrogen: 2000mg/L, handles the back effluent quality: meet the primary standard among the national composite wastewater emission standard GB8978-1996 " integrated wastewater discharge standard ", ammonia nitrogen: 15mg/L, ammonia nitrogen waste water temperature: 70 ℃.
Enter nitrogen-containing wastewater of the present utility model and be the nitrogen-containing wastewater that reaches normal ph behind the milk of lime through adding.
So-called stripping, make waste water and air obtain excellent contact exactly, adopt the blow-off method on nitrogen-containing wastewater is handled, must be in waste water and the time add milk of lime earlier to adjust waste water ph be 8～9, enter add the alkali pond after, adding proper amount of sodium hydroxide solution again, to adjust the pH value be 10.5～11.Adding of milk of lime by the control of pH instrument self-con-tained unit, self-con-tained unit is that two point is unidirectional, whipping appts adopts mechanical stirring.Adding of sodium hydroxide solution must add before stripping.Blow and adopt blowing-type to blow, the ceramic Pall ring of filling makes waste water fully contact with air in the air blowing tower, promotes gas-liquid two-phase to mix, and increases mass transfer area.
Claims (1)
1. ammonia-nitrogen desorption device, it is characterized in that being provided with circular cylinder body, be provided with water inlet pipe and suspension ring, be provided with venting port at the circular cylinder body top on circular cylinder body top, outlet at water inlet pipe is provided with diffusion tube head, sieve plate, back-up block and manhole, and diffusion tube head inlet taps into water pipe; Be provided with blast pipe, feet and rising pipe in the circular cylinder body bottom; Be provided with ceramic Pall ring and following ceramic Pall ring at the circular cylinder body inner chamber, have the upper support beam at last ceramic Pall ring, between last ceramic Pall ring and supporting beam, be provided with upper face plate and back-up block, have the lower support beam at following ceramic Pall ring, be provided with lower face plate and back-up block between ceramic Pall ring and the lower support beam down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200061852U CN201016097Y (en) | 2007-01-26 | 2007-01-26 | Ammonia nitrogen blowing-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200061852U CN201016097Y (en) | 2007-01-26 | 2007-01-26 | Ammonia nitrogen blowing-off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201016097Y true CN201016097Y (en) | 2008-02-06 |
Family
ID=39056577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200061852U Expired - Fee Related CN201016097Y (en) | 2007-01-26 | 2007-01-26 | Ammonia nitrogen blowing-off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201016097Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102060348A (en) * | 2010-07-16 | 2011-05-18 | 华东理工大学 | Tower type air stripping device for treating chlorinated hydrocarbon polluted underground water |
-
2007
- 2007-01-26 CN CNU2007200061852U patent/CN201016097Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102060348A (en) * | 2010-07-16 | 2011-05-18 | 华东理工大学 | Tower type air stripping device for treating chlorinated hydrocarbon polluted underground water |
| CN102060348B (en) * | 2010-07-16 | 2012-08-01 | 华东理工大学 | Tower type air stripping device for treating chlorinated hydrocarbon polluted underground water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20080206 Termination date: 20130126 |