CN203333334U - Ammonia nitrogen circulating stripping device - Google Patents
Ammonia nitrogen circulating stripping device Download PDFInfo
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- CN203333334U CN203333334U CN2013202513953U CN201320251395U CN203333334U CN 203333334 U CN203333334 U CN 203333334U CN 2013202513953 U CN2013202513953 U CN 2013202513953U CN 201320251395 U CN201320251395 U CN 201320251395U CN 203333334 U CN203333334 U CN 203333334U
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- tower
- stripping
- ammonia nitrogen
- absorption
- absorption tower
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Abstract
The utility model relates to an ammonia nitrogen circulating stripping device. The ammonia nitrogen circulating stripping device can be used for solving the problems of secondary pollution of an environment, low recovery rate of ammonia, high operation cost and high energy consumption which are caused by emission of tail gas after stripping in the prior art. The device comprises a stripping tower and a fan, wherein the air outlet end of the fan is connected to the air inlet of the stripping tower. The device is characterized by further comprising an absorption tower, wherein an absorption liquid spray pipe is arranged in the absorption tower, the exhaust port of the stripping tower is connected to the air inlet of the absorption tower through a pipeline, and the exhaust port of the absorption tower is connected with the air inlet end of the fan through a pipeline. The device disclosed by the utility model has the advantages of integrating stripping and absorption devices into a whole, utilizing stripped and exhausted gas as a stripped gas inlet source, preventing the emission of the stripped gas, performing circulation, effectively improving the recovery rate of ammonia and preventing secondary pollution; a packing layer is arranged in sections, liquid distribution is arranged in sections, the wall flow phenomenon can be effectively avoided, and the mass transfer efficiency can be improved.
Description
Technical field
The utility model relates to a kind of technical field of waste water processing, relates in particular to a kind of recycle stripping and produces tail gas, the ammonia nitrogen circulation blow-removing device of energy efficient.
Background technology
The ammonia nitrogen waste water source is very wide and quantity discharged is large, as chemical fertilizer, coking, petrochemical industry, pharmacy, food, refuse landfill etc. all produce a large amount of high-concentration ammonia nitrogenous wastewaters.A large amount of ammonia nitrogen waste waters enter water body not only to be caused water nutrition, causes water body black smelly, and will increase difficulty and the cost to water treatment, even to crowd and biological generation toxic action.Although it is multiple that the treatment process of processing ammonia nitrogen waste water has, and corresponding disadvantage is arranged.
Ammonia-nitrogen desorption is also a kind of technology that ammonia nitrogen waste water is processed, but there is following shortcoming in existing ammonia-nitrogen desorption treatment unit more:
1, the tail gas after stripping effluxes, and contains the ammonia that part fails to absorb fully in tail gas
Cause the secondary pollution of environment;
2, the tail gas after stripping effluxes, and the ammonia that in tail gas, part fails to absorb fully is excessive
Cause the organic efficiency of ammonia low;
3, working cost is high, and energy consumption is larger, and stripping efficiency is low;
4, pending waste water water temperature is lower, and stripping efficiency is low, can't meet the requirement of qualified discharge.
Summary of the invention
The utility model mainly solved in prior art after stripping tail gas efflux cause secondary environmental pollution, ammonia recovery is low, working cost is high, energy consumption is large, the inefficient problem of stripping; the tail gas that provides a kind of recycle stripping to discharge, protection of the environment, energy efficient, the ammonia nitrogen circulation blow-removing device that ammonia recovery is high.
The utility model solves the technical scheme that its technical problem adopts: a kind of ammonia nitrogen circulation blow-removing device, comprise stripping tower and blower fan, the blower fan outlet air end is connected to the blast inlet of stripping tower, it is characterized in that: the circulation blow-removing device also includes absorption tower, be provided with the absorption liquid jet pipe in absorption tower, the venting port of described stripping tower is connected to the blast inlet on absorption tower by pipeline, the exhaust outlet on described absorption tower is connected with the air intake of blower fan by pipeline.The utility model has increased the device to the stripping emission gases, and stripping and absorption unit are integrated, after the stripping emission gases is processed, utilize it as the stripping inlet air source, stripping gas does not efflux, and recycles, effectively improve the rate of recovery of ammonia, and can not produce secondary pollution.
As a kind of preferred version, the blast inlet on described absorption tower is arranged on below absorption tower, the exhaust outlet on described absorption tower is arranged on the top on absorption tower, and described absorption liquid jet pipe is arranged on the bottom on ， absorption tower in top position in absorption tower and is provided with the absorption liquid rising pipe.The ammonia of discharging in stripping tower enters from the below, absorption tower, and the absorption liquid jet pipe sprays absorption liquid above in absorption tower, and this absorption liquid react generation and contains ammoniacal substance with ammonia, thereby makes stripping tail gas be purified.Absorption liquid during to finite concentration, is discharged by the absorption liquid rising pipe, again recycles.
As a kind of preferred version, described stripping tower internal upper part is provided with water inlet pipe, and some shower nozzles are installed on water inlet pipe, is provided with some layers of packing layer in the space between the blast inlet of water inlet pipe and stripping tower.Process water and enter stripping tower by water inlet pipe, and evenly sprayed by the shower nozzle on water inlet pipe, process water and spray on packing layer, flow downward along filling surface, air enters from the inlet mouth below stripping tower under the effect of blower fan simultaneously, upward motion of air, be reflux type continuously by the space of packing layer with liquid like this, on filling surface, the gas-liquid two-phase close contact carries out mass transfer, by air, the ammonia of unbound state is blown out, have venting port to discharge.The subsection setup packing layer, segmentation cloth liquid, can effectively avoid the wall flow phenomenon to produce and improve mass-transfer efficiency.
As a kind of preferred version, be provided with some stuffing holes on described packing layer, stuffing hole hole body vertical ground arranges, and is provided with filler in stuffing hole.This packing layer is the hollow out dress layer body that a plurality of stuffing holes are set on surface, and filler is arranged in stuffing hole, and air, by entering in stuffing hole, carries out mass transfer with processing water at filling surface.
As a kind of preferred version, be provided with the demist layer below shower nozzle, be provided with some through holes on described demist layer, described through hole is obliquely installed.This demist layer is removed the fog in stripping tower, prevents that fog is blown into venting port.
As a kind of preferred version, be provided with the treatment solution rising pipe on the bottom of stripping tower.Treatment solution flows to the bottom of stripping tower, by the treatment solution rising pipe, is flowed out.
As a kind of preferred version, be provided with the ammonia nitrogen waste water water circulating pump in the stripping tower bottom, the water side of this ammonia nitrogen waste water water circulating pump is connected on water inlet pipe by pipeline.This ammonia nitrogen waste water water circulating pump by the ammonia nitrogen waste water of stripping tower bottom again pump to water inlet pipe, recycled.
As a kind of preferred version, be provided with the absorption liquid recycle pump in the bottom, absorption tower, the water side of this absorption liquid recycle pump is connected on the absorption liquid jet pipe by pipeline.The absorption liquid recycle pump by the absorption liquid of absorption tower bottom again pump to the absorption liquid jet pipe, absorption liquid is recycled.
As a kind of preferred version, described stripping tower has several, between these stripping towers, is in series, form, plural serial stage stripping tower mechanism, the blast inlet of this plural serial stage stripping tower mechanism is connected with the blower fan outlet air end, and the venting port of plural serial stage stripping tower mechanism is connected with the blast inlet on absorption tower.
As a kind of preferred version, be connected with the steam tracing device on described water inlet pipe.The steam tracing device is heated the pending waste water that enters water inlet pipe, makes pending waste water reach suitable stripping temperature, has improved ammonia-nitrogen desorption efficiency.
The utility model has the advantages that: 1. stripping and absorption unit are integrated, so utilize the stripping emission gases as the stripping inlet air source, stripping gas does not efflux, and loop, and can effectively improve the rate of recovery of ammonia, and can not produce secondary pollution; 2. subsection setup packing layer, segmentation cloth liquid, can effectively avoid the wall flow phenomenon to produce and improve mass-transfer efficiency; 3. pending waste water is heated, improved ammonia-nitrogen desorption efficiency.
The accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a kind of structural representation of packing layer in the utility model.
1-stripping tower 2-absorption tower 3-blower fan 4-absorption liquid jet pipe 5-water inlet pipe 6-shower nozzle 7-demist layer 8-through hole 9-packing layer 10-stuffing hole 11-treatment solution rising pipe 12-absorption liquid rising pipe.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described.
Embodiment:
A kind of ammonia nitrogen circulation blow-removing of the present embodiment device, as shown in Figure 1, device comprises stripping tower 1, absorption tower 2 and blower fan 3.
The top of this stripping tower is provided with venting port, and the stripping tower lower position is provided with inlet mouth, and this inlet mouth is connected with the air intake of blower fan, and the bottom of stripping tower is connected with treatment solution rising pipe 11.
Be provided with water inlet pipe 5 above stripping tower, water inlet pipe is extend in stripping tower by outside, and some each shower nozzles 6 are installed on this water inlet pipe.Be provided with demist layer 7 below water inlet pipe, be provided with some through holes 8 on this demist layer, this through hole is for being obliquely installed.Be arranged at intervals with up and down two-layer packing layer 9 in space between demist layer and inlet mouth, as shown in Figure 2, be provided with some stuffing holes 10 on this packing layer, stuffing hole hole body vertical ground arranges, and filler fills in stuffing hole.Be provided with the ammonia nitrogen waste water water circulating pump in stripping tower 1 bottom, the water side of this ammonia nitrogen waste water water circulating pump is connected on water inlet pipe 5 by pipeline.In order to improve stripping efficiency, be connected with the steam tracing device on water inlet pipe 5.
The top on this absorption tower is provided with venting port, and on absorption tower, lower position is provided with inlet mouth, and in the top position, absorption tower, place is provided with absorption liquid jet pipe 4, in the bottom on absorption tower, is connected with absorption liquid rising pipe 12.2 bottoms, absorption tower also are provided with the absorption liquid recycle pump, and the water side of this absorption liquid recycle pump is connected on absorption liquid jet pipe 4 by pipeline.
Only provided a stripping tower in the present embodiment, this stripping tower also can have a plurality of, between these stripping towers, be in series, form, plural serial stage stripping tower mechanism, the blast inlet of this plural serial stage stripping tower mechanism is connected with the blower fan outlet air end, and the venting port of plural serial stage stripping tower mechanism is connected with the blast inlet on absorption tower.
The present embodiment is that as shown in Figure 1, the venting port of stripping tower is connected to by pipeline on the inlet mouth on absorption tower by stripping and absorption integrator, and the venting port on absorption tower is connected on the air intake of blower fan by pipeline, has realized the circulation of tail gas utilization that stripping is discharged.
During the present embodiment work, treatment solution enters water inlet pipe, by shower nozzle, evenly sprayed downwards, treatment solution sprays on packing layer, and flows downward along stuffing hole, by blower fan, the blast inlet by the stripping tower below is blown into and up flows air simultaneously, air and treatment solution are reflux type continuously by stuffing hole, and on filling surface, the gas-liquid two-phase close contact carries out mass transfer, by air, free ammonia is blown out, have venting port to be disposed to absorption tower, unnecessary treatment solution is discharged by the treatment solution rising pipe.In absorption tower, absorption liquid is sprayed by shower, and ammonia is reacted with absorption liquid to be generated containing ammoniacal substance, thereby makes stripping tail gas be purified, and during the absorption liquid finite concentration, by the absorption liquid rising pipe, is discharged and is recycled.And the tail gas after purifying arrives the air intake of blower fan again, by blower fan, be blown in stripping tower as inlet air source.Whole circulation blow-removing system is closed system, and stripping waste gas does not efflux recirculation and uses, and absorbs raffinate and recycles the generation economic worth.This not only can effectively be avoided causing secondary pollution, can also form certain recycling economy.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more been used the terms such as stripping tower, absorption tower, blower fan, absorption liquid jet pipe, water inlet pipe, do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (10)
1. an ammonia nitrogen circulation blow-removing device, comprise stripping tower and blower fan, the blower fan outlet air end is connected to the blast inlet of stripping tower, it is characterized in that: the circulation blow-removing device also includes absorption tower (2), be provided with absorption liquid jet pipe (4) in absorption tower, the venting port of described stripping tower (1) is connected to the blast inlet on absorption tower by pipeline, the exhaust outlet on described absorption tower is connected with the air intake of blower fan by pipeline.
2. a kind of ammonia nitrogen circulation blow-removing device according to claim 1, the blast inlet that it is characterized in that described absorption tower (2) is arranged on below absorption tower, the exhaust outlet on described absorption tower is arranged on the top on absorption tower, described absorption liquid jet pipe is arranged on the bottom on ， absorption tower in top position in absorption tower and is provided with absorption liquid rising pipe (12).
3. a kind of ammonia nitrogen circulation blow-removing device according to claim 1 and 2, it is characterized in that described stripping tower (1) internal upper part is provided with water inlet pipe (5), some shower nozzles (6) are installed on water inlet pipe, are provided with some layers of packing layer (9) in the space between the blast inlet of water inlet pipe and stripping tower.
4. a kind of ammonia nitrogen circulation blow-removing device according to claim 3, is characterized in that on described packing layer (9) being provided with some stuffing holes (10), and stuffing hole hole body vertical ground arranges, and is provided with filler in stuffing hole.
5. a kind of ammonia nitrogen circulation blow-removing device according to claim 3, is characterized in that being provided with demist layer (7) in the below of shower nozzle (6), is provided with some through holes (8) on described demist layer, and described through hole is obliquely installed.
6. a kind of ammonia nitrogen circulation blow-removing device according to claim 1 and 2, is characterized in that being provided with treatment solution rising pipe (11) on the bottom of stripping tower (1).
7. a kind of ammonia nitrogen circulation blow-removing device according to claim 3, is characterized in that being provided with the ammonia nitrogen waste water water circulating pump in stripping tower (1) bottom, and the water side of this ammonia nitrogen waste water water circulating pump is connected on water inlet pipe (5) by pipeline.
8. a kind of ammonia nitrogen circulation blow-removing device according to claim 1 and 2, is characterized in that (2) bottom is provided with the absorption liquid recycle pump on absorption tower, and the water side of this absorption liquid recycle pump is connected on absorption liquid jet pipe (4) by pipeline.
9. a kind of ammonia nitrogen circulation blow-removing device according to claim 1 and 2, it is characterized in that described stripping tower (1) has several, between these stripping towers, be in series, form, plural serial stage stripping tower mechanism, the blast inlet of this plural serial stage stripping tower mechanism is connected with the blower fan outlet air end, and the venting port of plural serial stage stripping tower mechanism is connected with the blast inlet on absorption tower.
10. a kind of ammonia nitrogen circulation blow-removing device according to claim 3, is characterized in that being connected with the steam tracing device on described water inlet pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202513953U CN203333334U (en) | 2013-05-10 | 2013-05-10 | Ammonia nitrogen circulating stripping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202513953U CN203333334U (en) | 2013-05-10 | 2013-05-10 | Ammonia nitrogen circulating stripping device |
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| CN203333334U true CN203333334U (en) | 2013-12-11 |
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| CN2013202513953U Expired - Lifetime CN203333334U (en) | 2013-05-10 | 2013-05-10 | Ammonia nitrogen circulating stripping device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417675A (en) * | 2015-12-09 | 2016-03-23 | 大唐环境产业集团股份有限公司 | Device and method for restoring desulphurized sea water based on pure oxygen aeration |
| CN111924998A (en) * | 2019-05-13 | 2020-11-13 | 自然资源部天津海水淡化与综合利用研究所 | Closed-cycle efficient recycling ammonia nitrogen removal equipment and method |
| CN117563279A (en) * | 2024-01-15 | 2024-02-20 | 山东长信化学科技股份有限公司 | Liquid phase degassing treatment device |
-
2013
- 2013-05-10 CN CN2013202513953U patent/CN203333334U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417675A (en) * | 2015-12-09 | 2016-03-23 | 大唐环境产业集团股份有限公司 | Device and method for restoring desulphurized sea water based on pure oxygen aeration |
| CN105417675B (en) * | 2015-12-09 | 2018-01-19 | 大唐环境产业集团股份有限公司 | A kind of desulfurization restoring sea water device and restoration methods based on pure oxygen aeration |
| CN111924998A (en) * | 2019-05-13 | 2020-11-13 | 自然资源部天津海水淡化与综合利用研究所 | Closed-cycle efficient recycling ammonia nitrogen removal equipment and method |
| CN117563279A (en) * | 2024-01-15 | 2024-02-20 | 山东长信化学科技股份有限公司 | Liquid phase degassing treatment device |
| CN117563279B (en) * | 2024-01-15 | 2024-03-19 | 山东长信化学科技股份有限公司 | Liquid phase degassing treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG ZHUOJIN ENVIRONMENTAL PROTECTION TECHNOLO Free format text: FORMER NAME: JIANG ZHUO JIN ENGINEERING TECHNOLOGY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province 310004 City No. 631 Zhongshan North Road Jinghui commerce building 14 layer 02. Patentee after: ZHEJIANG ZONE-KING ENVIRONMENTAL SCI&TECH CO.,LTD. Address before: Hangzhou City, Zhejiang province 310004 City No. 631 Zhongshan North Road Jinghui commerce building 14 layer 02. Patentee before: ZHEJIANG ZONE KING ENGINEERING TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |