CN208898633U - A kind of device for treating high-concentration ammonia - Google Patents
A kind of device for treating high-concentration ammonia Download PDFInfo
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- CN208898633U CN208898633U CN201821016422.8U CN201821016422U CN208898633U CN 208898633 U CN208898633 U CN 208898633U CN 201821016422 U CN201821016422 U CN 201821016422U CN 208898633 U CN208898633 U CN 208898633U
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- ammonia
- level
- tower
- nitrogen stripping
- nitrogen
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Abstract
A kind of device for treating high-concentration ammonia is suitable for field of waste water treatment.Including level-one ammonia-nitrogen stripping tower, second level ammonia-nitrogen stripping tower, zeolite treatment pond and absorption tower, there is level-one elevator pump on the outside of level-one ammonia-nitrogen stripping tower, the output end of level-one elevator pump is fixedly connected with the first catheter, first catheter runs through the side wall of level-one ammonia-nitrogen stripping tower far from one end of level-one elevator pump and connect with the first spray water distributor, the first packing area is installed in the level-one ammonia-nitrogen stripping tower on the downside of the first spray water distributor, the first L-type appendix is fixedly connected on the roof of the level-one ammonia-nitrogen stripping tower, the side wall of the level-one ammonia-nitrogen stripping tower is equipped with the first air inlet, and first the input terminal of air inlet be connected with the first air blower.The utility model improves the treatment effect to ammonia nitrogen waste water by blow-off method and zeolite ion exchange process, and by the absorption on absorption tower, avoids ammonia and nitrogen is directly discharged to the case where causing secondary pollution in air.
Description
Technical field
The utility model relates to a kind of sewage-treatment plants, are particularly suitable for a kind of high concentration that sewage treatment field uses
Ammonia nitrogen wastewater treatment device.
Background technique
Ammonia nitrogen is with free ammonia (NH3) and ammonium ion (NH4 +) form is present in the nitrogen in water.Ammonia nitrogen source in water has very
It is more, in addition to sanitary sewage and landfill leachate, also derive from steel, oil refining, chemical fertilizer, tanning, petrochemical industry, glass manufacture, feeding
The discharge of the industrial wastewaters such as material production.Ammonia nitrogen is the principal element for leading to water eutrophication, can cause algae in water body and
Microorganism mass propagation declines the dissolved oxygen in water body sharply, leads to fish and other aquatile hypoxia deaths, to water quality
It causes to seriously affect.In addition, ammonia nitrogen can generate nitrite and nitrate by nitrification in water body, long-term drinking is this kind of
Water can induce methemoglobinemia；When the nitrite nitrogen too high levels in water, one kind can be formed in conjunction with protein
Strong carcinogen --- nitrosamine causes to seriously endanger to human body.
The processing method of high-concentration ammonia nitrogenous wastewater mainly has air stripping method etc. at present, and air stripping method is to make water as not
Continuous phase is contacted with air, using the difference between the actual concentrations and equilibrium concentration of component in water, ammonia nitrogen is made to be transferred to gas phase
And it removes.But this method is primarily present two defects: first is that, ammonia which detaches, nitrogen are directly discharged to sky
In gas, air can be polluted, cause secondary pollution；Second is that single-stage stripping handle prevent ammonia nitrogen from completely with water be detached from,
It causes to be discharged situation not up to standard.
Utility model content
Purpose in view of the above technology, it is simple to provide a kind of structure, high treating effect, the concentration ammonia nitrogen wastewater of high conversion efficiency
Processing unit.
To achieve the goals above, the utility model adopts the technical scheme that device for treating high-concentration ammonia,
Including level-one ammonia-nitrogen stripping tower, second level ammonia-nitrogen stripping tower, processing pond and absorption tower；Wherein level-one ammonia-nitrogen stripping tower by pipeline with
Second level ammonia-nitrogen stripping tower is connected, and second level ammonia-nitrogen stripping tower is connected with processing pond and absorption tower respectively by pipeline；
Level-one ammonia-nitrogen stripping tower includes tower top I, column tower body I and the first liquid storage chamber, is wherein equipped with first inside tower body I and fills out
Expect that area, top are equipped with spiral board, the first spray water distributor is equipped between spiral board and the first packing area, the first spray water distributor is logical
It crosses the first catheter to be connected with the level-one elevator pump being arranged in outside level-one ammonia-nitrogen stripping tower, is respectively equipped on the outside of tower body I
It is connected inside one air blower and tower body I, the first air blower junction is between the first packing area and the first liquid storage chamber, and first
Liquid storage chamber side is equipped with the second catheter；
Second level ammonia-nitrogen stripping tower includes tower top II, column tower body II and the second liquid storage chamber, and the is wherein equipped with inside tower body II
Two packing areas, top are equipped with spiral board, and the second spray water distributor, the second spray water distribution are equipped between spiral board and the second packing area
Device is connected by third catheter with the two-stage hoisting pump being arranged in outside second level ammonia-nitrogen stripping tower, and the second catheter passes through two
Grade elevator pump is connected with third catheter, and the second liquid storage chamber side is equipped with the 4th catheter, and the 4th catheter is mentioned by three-level
It rises pump and is connected with the 5th catheter, the 5th catheter is connected with processing pond, and processing bottom of pond portion is equipped with according to the ammonia nitrogen in waste water
The zeolite of concentration setting, zeolite are swapped with the ammonium ion in waste water, are effectively removed the ammonia nitrogen in waste water, are set on the outside of processing pond
There is outlet pipe；
The first L-type appendix, II top of tower top of second level ammonia-nitrogen stripping tower are equipped with above the tower top I of level-one ammonia-nitrogen stripping tower
Equipped with gas-guide tube, the first L-type appendix and gas-guide tube are connected with the second L-type appendix being arranged at the top of absorption tower respectively, the
Suction fan is equipped between one L-type appendix and gas-guide tube and the second L-type appendix, absorb the bottom of the tower side is equipped with escape pipe,
Absorption tower is connected with hydrochloric acid fluid reservoir by third L-type appendix.
The input terminal of second catheter is connected to setting with the first liquid storage chamber in level-one ammonia-nitrogen stripping tower, and the described 4th
The input terminal of catheter is connected to setting with the second liquid storage chamber in second level ammonia-nitrogen stripping tower.
Visor, level-one ammonia-nitrogen desorption are mounted on the lateral wall of the level-one ammonia-nitrogen stripping tower and second level ammonia-nitrogen stripping tower
The lateral wall of tower is equipped with the first air blower, and the lateral wall of second level ammonia-nitrogen stripping tower is equipped with the second air blower.
Dry load layer is installed in the absorption tower, and is located at the absorption tower side wall on the downside of dry load layer and is equipped with
Tracheae.
It has the beneficial effect that through setting level-one ammonia-nitrogen stripping tower and second level ammonia-nitrogen stripping tower, realizes to ammonia nitrogen waste water
Dual stripping processing increases removal effect so that ammonia is convenient for being discharged from liquid with nitrogen；In addition to this, in second level stripping
It is connected to a zeolite treatment pond after tower, mainly ammonia remaining in waste water is exchanged, improves the removal rate of ammonia nitrogen.Most
Afterwards, by setting absorption tower and hydrochloric acid fluid reservoir, ammonia and nitrogen after being detached from is can be avoided and be directly discharged in air, and is right
Ammonia and nitrogen have carried out absorption processing, and convenient for recycling, absorption tower is integrated with stripping tower.It improves to ammonia nitrogen waste water
Treatment effect, and avoid ammonia and be directly discharged to the case where causing secondary pollution in air with nitrogen.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of device for treating high-concentration ammonia perspective view；
Fig. 2 be the utility model proposes a kind of device for treating high-concentration ammonia absorption tower internal view.
In figure: 1- level-one ammonia-nitrogen stripping tower, 2- second level ammonia-nitrogen stripping tower, the absorption tower 4-, 5- level-one elevator pump, 6 the-first
Catheter, the spray of 7- first water distributor, the first packing area 8-, the first L-type of 9- appendix, the first air blower of 10-, 11- second are led
Liquid pipe, 12- two-stage hoisting pump, 13- suction fan, 14- third catheter, 15- second spray water distributor, the second packing area 16-,
The second air blower of 17-, the 4th catheter of 18-, 19- three-level elevator pump, the 5th catheter of 20-, 21- zeolite, 22- outlet pipe,
23- gas-guide tube, the second L-type of 24- appendix, 25- spiral board, 26- visor, 27- dry load layer, 28- escape pipe, the 3rd L of 29-
Type appendix, 30- hydrochloric acid fluid reservoir, the first liquid storage chamber of 31-, the second liquid storage chamber of 32-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
As depicted in figs. 1 and 2, device for treating high-concentration ammonia of the invention, including level-one ammonia-nitrogen stripping tower 1, two
Grade ammonia-nitrogen stripping tower 2, processing pond 3 and absorption tower 4；Wherein level-one ammonia-nitrogen stripping tower 1 passes through pipeline and 2 phase of second level ammonia-nitrogen stripping tower
Connection, second level ammonia-nitrogen stripping tower 2 are connected with processing pond 3 and absorption tower 4 respectively by pipeline；
Level-one ammonia-nitrogen stripping tower 1 includes tower top I, column tower body I and the first liquid storage chamber 31, and the is wherein equipped with inside tower body I
One packing area 8, top be equipped with spiral board 25, between spiral board 25 and the first packing area 8 be equipped with first spray water distributor 7, first
Spray water distributor 7 is connected by the first catheter 6 with the level-one elevator pump 5 being arranged in outside level-one ammonia-nitrogen stripping tower 1, tower body
I outside, which is respectively equipped with inside the first air blower 10 and tower body I, to be connected, and 10 junction of the first air blower is located at the first packing area 8
Between the first liquid storage chamber 31,31 side of the first liquid storage chamber is equipped with the second catheter 11；The input terminal of second catheter 11
Setting, the input terminal and second level ammonia nitrogen of the 4th catheter 18 are connected to the first liquid storage chamber 31 in level-one ammonia-nitrogen stripping tower 1
The second liquid storage chamber 32 in stripping tower 2 is connected to setting,
Second level ammonia-nitrogen stripping tower 2 includes tower top II, column tower body II and the second liquid storage chamber 32, is wherein equipped with inside tower body II
Second packing area 16, top are equipped with spiral board 25, and the second spray water distributor 15 is equipped between spiral board 25 and the second packing area 16,
Second spray water distributor 15 is connected by third catheter 14 with the two-stage hoisting pump 12 being arranged in outside second level ammonia-nitrogen stripping tower 2
It connects, the second catheter 11 is connected by two-stage hoisting pump 12 with third catheter 14, and 32 side of the second liquid storage chamber is equipped with the 4th
Catheter 18, the 4th catheter 18 are connected with the 5th catheter 20, the 5th catheter 20 and processing pond 3 by three-level elevator pump 19
It is connected, 3 bottom of processing pond is equipped with the zeolite 21 according to the ammonia nitrogen concentration setting in waste water, the ammonium ion in zeolite 21 and waste water
It swaps, effectively removes the ammonia nitrogen in waste water, be equipped with outlet pipe 22 on the outside of processing pond 3；The level-one ammonia-nitrogen stripping tower 1 and two
Visor 26 is mounted on the lateral wall of grade ammonia-nitrogen stripping tower 2, the lateral wall of level-one ammonia-nitrogen stripping tower 1 is equipped with the first air blower
10, the lateral wall of second level ammonia-nitrogen stripping tower 2 is equipped with the second air blower 17；
The first L-type appendix 9, the tower top II of second level ammonia-nitrogen stripping tower 2 are equipped with above the tower top I of level-one ammonia-nitrogen stripping tower 1
Top is equipped with gas-guide tube 23, the first L-type appendix 9 and gas-guide tube 23 respectively with the second L-type appendix for being arranged at the top of absorption tower 4
24 are connected, and suction fan 13, absorption tower 4 are equipped between the first L-type appendix 9 and gas-guide tube 23 and the second L-type appendix 24
Bottom side is equipped with escape pipe 28, and absorption tower 4 is connected with hydrochloric acid fluid reservoir 30 by third L-type appendix 29.
Dry load layer 27 is installed in the absorption tower 4, and is located on 4 side wall of absorption tower of 27 downside of dry load layer
Equipped with escape pipe 28.
The output end of second catheter 11 is connect with the input terminal of two-stage hoisting pump 12, and the output end of two-stage hoisting pump 12 is solid
Surely it is connected with third catheter 14, the output end of third catheter 14 runs through the side wall of second level ammonia-nitrogen stripping tower 2 and sprays with second
It drenches water distributor 15 to connect, specifically, being mounted on spiral board 24 in level-one ammonia-nitrogen stripping tower 1 and second level ammonia-nitrogen stripping tower 2, and two
A spiral board 24 respectively corresponds the upside that the first spray water distributor 7 and the second spray water distributor 15 is arranged in, this rotating stream tray
Since percent opening is larger, allows high-speed flow to pass through, be suitable for gas phase diffusion, the second level positioned at 15 downside of the second spray water distributor
Second packing area 16 is installed, the side wall of second level ammonia-nitrogen stripping tower 2 is equipped with the second air inlet, and second in ammonia-nitrogen stripping tower 2
The input terminal of air inlet is connected with the second air blower 17, on 2 side wall of second level ammonia-nitrogen stripping tower of 17 downside of the second air blower
Equipped with the 4th catheter 18, the 4th catheter 18 connects the 5th catheter 20 by three-level elevator pump 19, wherein the 5th leads
Liquid pipe 20 is located at 3 upside of zeolite treatment pond, is fixedly connected with outlet pipe 22 on the side wall in zeolite treatment pond 3.Wherein, level-one ammonia
Liquid storage chamber 31/32, the input terminal and level-one ammonia nitrogen of the second catheter 11 are equipped in nitrogen stripping tower 1 and second level ammonia-nitrogen stripping tower 2
The first liquid storage chamber 31 in stripping tower 1 is connected to setting, the input terminal and the second liquid storage in second level ammonia-nitrogen stripping tower 2 of water outlet 18
The connection of chamber 32 is arranged, and is fixedly connected with vertical gas-guide tube 23,9 He of the first L-type appendix on the roof of second level ammonia-nitrogen stripping tower 2
The output end of gas-guide tube 23 is connect with the input terminal of the second L-type of same root appendix 24, on the side wall of the second L-type appendix 24
Suction fan 13 is installed, and the output end of the second L-type appendix 24 is fixedly connected with the roof on absorption tower 4.
Specifically, being disposed with zeolite 21 in zeolite treatment pond 3, outlet pipe is fixedly connected on the side wall in zeolite treatment pond 3
22, according to the principle that the quantity of the concentration arrangement zeolite 21 of waste water, further removes the ammonia nitrogen in waste water by ion exchange
It removes, to increase the removal rate of ammonia nitrogen in waste water.
Specifically, being equipped with dry load layer 27 in absorption tower 4, and it is located at 4 side of absorption tower of 27 downside of dry load layer
It is connected with escape pipe 28 on wall, is fixedly connected with the 3rd L type gas transmission on 4 side wall of absorption tower of 27 upside of dry load layer
The output end of pipe 29, third L-type appendix 29 is connect with hydrochloric acid fluid reservoir 30, and the ammonia after stripping is absorbed back with hydrochloric acid solution
With reduction secondary pollution.
By setting level-one ammonia-nitrogen stripping tower 1 and second level ammonia-nitrogen stripping tower 2, realize at the dual stripping to ammonia nitrogen waste water
Reason increases removal effect so that ammonia is convenient for being discharged from liquid with nitrogen；Meanwhile one is increased after dual stripping processing
Zeolite treatment pond 3, again increases removal efficiency, to cope with the case where higher concentration ammonia nitrogen waste water is handled；Secondly, passing through setting
Absorption tower 4 and hydrochloric acid fluid reservoir 30 can be avoided ammonia and nitrogen after being detached from and be directly discharged in air, and to ammonia and nitrogen
Gas has carried out absorption processing, convenient for recycling.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of device for treating high-concentration ammonia, which is characterized in that it includes level-one ammonia-nitrogen stripping tower (1), second level ammonia nitrogen
Stripping tower (2), processing pond (3) and absorption tower (4)；Wherein level-one ammonia-nitrogen stripping tower (1) passes through pipeline and second level ammonia-nitrogen stripping tower
(2) it is connected, second level ammonia-nitrogen stripping tower (2) is connected with processing pond (3) and absorption tower (4) respectively by pipeline；
Level-one ammonia-nitrogen stripping tower (1) includes tower top I, column tower body I and the first liquid storage chamber (31), and the is wherein equipped with inside tower body I
One packing area (8), top are equipped with spiral board (25), and the first spray water distribution is equipped between spiral board (25) and the first packing area (8)
Device (7), the first spray water distributor (7) are mentioned with setting in the external level-one of level-one ammonia-nitrogen stripping tower (1) by the first catheter (6)
It rises pump (5) to be connected, is respectively equipped with inside the first air blower (10) and tower body I and is connected on the outside of tower body I, the first air blower (10)
Between the first packing area (8) and the first liquid storage chamber (31), the first liquid storage chamber (31) side is equipped with the second catheter for junction
(11)；
Second level ammonia-nitrogen stripping tower (2) includes tower top II, column tower body II and the second liquid storage chamber (32), is wherein equipped with inside tower body II
Second packing area (16), top are equipped with spiral board (25), and the second spray is equipped between spiral board (25) and the second packing area (16)
Water distributor (15), the second spray water distributor (15) are external in second level ammonia-nitrogen stripping tower (2) by third catheter (14) and setting
Two-stage hoisting pump (12) be connected, the second catheter (11) pumps (12) by two-stage hoisting and is connected with third catheter (14)
It connects, the second liquid storage chamber (32) side is equipped with the 4th catheter (18), and the 4th catheter (18) is connected by three-level elevator pump (19)
There is the 5th catheter (20), the 5th catheter (20) is connected with processing pond (3), and processing pond (3) bottom is equipped with according in waste water
Ammonia nitrogen concentration setting zeolite (21), zeolite (21) swaps with the ammonium ion in waste water, effectively removes the ammonia in waste water
Nitrogen, processing pond (3) outside are equipped with outlet pipe (22)；
The first L-type appendix (9), the tower top of second level ammonia-nitrogen stripping tower (2) are equipped with above the tower top I of level-one ammonia-nitrogen stripping tower (1)
II top is equipped with gas-guide tube (23), the first L-type appendix (9) and gas-guide tube (23) respectively with setting at the top of absorption tower (4) the
Two L-type appendixs (24) are connected, and are equipped between the first L-type appendix (9) and gas-guide tube (23) and the second L-type appendix (24)
Suction fan (13), absorption tower (4) bottom side are equipped with escape pipe (28), and absorption tower (4) are connected by third L-type appendix (29)
It is connected to hydrochloric acid fluid reservoir (30).
2. a kind of device for treating high-concentration ammonia according to claim 1, it is characterised in that: second catheter
(11) input terminal is connected to setting, the 4th catheter (18) with the first liquid storage chamber (31) in level-one ammonia-nitrogen stripping tower (1)
Input terminal be connected to setting with the second liquid storage chamber (32) in second level ammonia-nitrogen stripping tower (2).
3. a kind of device for treating high-concentration ammonia according to claim 1, it is characterised in that: the level-one ammonia nitrogen is blown
It is mounted on visor (26) on the lateral wall of de- tower (1) and second level ammonia-nitrogen stripping tower (2), the outside of level-one ammonia-nitrogen stripping tower (1)
Wall is equipped with the first air blower (10), and the lateral wall of second level ammonia-nitrogen stripping tower (2) is equipped with the second air blower (17).
4. a kind of device for treating high-concentration ammonia according to claim 1, it is characterised in that: the absorption tower (4)
It is inside equipped with dry load layer (27), and is located at absorption tower (4) side wall on the downside of dry load layer (27) and is equipped with escape pipe
(28)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821016422.8U CN208898633U (en) | 2018-06-29 | 2018-06-29 | A kind of device for treating high-concentration ammonia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821016422.8U CN208898633U (en) | 2018-06-29 | 2018-06-29 | A kind of device for treating high-concentration ammonia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208898633U true CN208898633U (en) | 2019-05-24 |
Family
ID=66567011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821016422.8U Expired - Fee Related CN208898633U (en) | 2018-06-29 | 2018-06-29 | A kind of device for treating high-concentration ammonia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208898633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112851004A (en) * | 2021-03-26 | 2021-05-28 | 国环科技发展(湖北)有限公司 | Ammonia nitrogen wastewater treatment system and method |
-
2018
- 2018-06-29 CN CN201821016422.8U patent/CN208898633U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112851004A (en) * | 2021-03-26 | 2021-05-28 | 国环科技发展(湖北)有限公司 | Ammonia nitrogen wastewater treatment system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190524 Termination date: 20210629 |