CN204737840U - Ammonia nitrogen wastewater processing system - Google Patents
Ammonia nitrogen wastewater processing system Download PDFInfo
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- CN204737840U CN204737840U CN201520389734.3U CN201520389734U CN204737840U CN 204737840 U CN204737840 U CN 204737840U CN 201520389734 U CN201520389734 U CN 201520389734U CN 204737840 U CN204737840 U CN 204737840U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Treating Waste Gases (AREA)
Abstract
The utility model provides an ammonia nitrogen wastewater processing system, including catchmenting the jar, the alkali lye storage tank, deamination tower and absorption tower, the jar that catchments passes through the pump, the import of pipe connection one -level condenser waste water, one -level condenser wastewater outlet sets up the import of pipe connection line mixer waste water, the alkali lye storage tank is through the material pump, the import of pipe connection line mixer alkali lye, line mixer waste water export pipeline connects the waste water import of pre -heater bottom, pre -heater upper end waste water export pipeline connects the waste water import of deamination tower upper end, deamination tower bottom delivery port passes through the water pump, pipe connection pre -heater upper end water inlet, drainage pipe is connected to pre -heater lower extreme delivery port. The ammonia nitrogen clearance is high, energy -concerving and environment -protective, realize that used heat and steam heat can cyclic utilization.
Description
Technical field
The utility model design field of waste water treatment, particularly relates to ammonia nitrogen waste water treatment system.
Background technology
The ammonia nitrogen waste water process of prior art adopts deammoniation tower deamination all mostly, and absorption tower absorbs ammonia, thus reaches emission standard, but whole system energy consumption is higher, and used heat can not effectively utilize, and haves much room for improvement.
Summary of the invention
The utility model, for the deficiencies in the prior art, provides that a kind of ammonia nitrogen removal frank is high, energy-conserving and environment-protective, realizes the ammonia nitrogen waste water treatment system of used heat and steam thermal energy recycle.
For realizing the utility model object, provide following technical scheme: a kind of ammonia nitrogen waste water treatment system, comprise water collect tank, alkali liquor storage tank, deammoniation tower and absorption tower, it is characterized in that water collect tank passes through pump, pipeline connects first-stage condenser waste water inlet, first-stage condenser wastewater outlet arranges connecting pipe of pipeline road mixing tank waste water inlet, alkali liquor storage tank is by material pump, the mixing tank alkali lye import of connecting pipe of pipeline road, line mixer wastewater outlet pipeline connects preheater bottom waste water inlet, preheater upper end wastewater outlet pipeline connects deammoniation tower upper end waste water inlet, deammoniation tower bottom water outlet passes through water pump, pipeline connects preheater upper end water-in, preheater lower end water outlet connects drainage pipeline, deammoniation tower head gas outlet conduit connects the gas feed of backflow preheat device, backflow preheat device gases exit line connects first-stage condenser gas feed, first-stage condenser gases exit line connects the gas feed of bottom, absorption tower, top, absorption tower is provided with gas discharge outlet, first-stage condenser bottom phegma outlet conduit connects the import of knockout drum phegma, gas-liquid separation upper end venting port connects absorption tower gas feed, knockout drum bottom liquid outlet passes through water pump, pipeline connects the import of backflow preheat device phegma, backflow preheat device phegma outlet conduit connects the phegma import of deammoniation tower upper end, backflow preheat device bottom gas-liquid mixed outlet conduit connects the import of gas-liquid separation upper end phegma.
As preferably, ammoniacal liquor outlet in bottom, absorption tower connects the import of condenser ammoniacal liquor by water pump pipeline, and condenser ammoniacal liquor outlet conduit connects the spray equipment in the middle part of absorption tower, and the outlet of condenser ammoniacal liquor is separately provided with pipeline and connects deammoniation water finished pot.
As preferably, preheater upper end wastewater outlet install pipeline is that three pipelines connect deammoniation towers.
As preferably: preheater is tubulature type preheater.
As preferably: knockout drum bottom liquid outlet is separately provided with pipeline-used water pump and pumps into absorption tower water-in.
The utility model beneficial effect: 1. then first waste water add alkali through first-stage condenser and enter deammoniation tower (make waste water obtain preheating in first-stage condenser, inlet temperature of stabilizer raises, and reduces System steam consumption; Save refrigeration cycle water consumption, thus reach the object of saving running cost; 2. increase a backflow preheat device (to enter in tower after making the weak ammonia temperature increase of backflow, decrease the calorific loss in tower; The dense ammonia of tower top is tentatively lowered the temperature, and decreases the consumption of follow-up cooling circulating water, thus reaches the object of saving running cost).3. preheater is changed into board-like (heat transfer effect is strengthened, and is preheated to inflow temperature 60 DEG C is promoted to plate type preheater inflow temperature 85 DEG C by tubular type preheater) by shell and tube.
Accompanying drawing explanation
Fig. 1 is system schematic of the present utility model.
Embodiment
Embodiment 1: a kind of ammonia nitrogen waste water treatment system, comprise water collect tank 1, alkali liquor storage tank 2, deammoniation tower 3 and absorption tower 4, water collect tank 1 passes through pump, pipeline connects first-stage condenser 5 waste water inlet 5.1, first-stage condenser 5 wastewater outlet 5.2 arranges connecting pipe of pipeline road mixing tank 6 waste water inlet 6.1, alkali liquor storage tank 2 is by material pump, connecting pipe of pipeline road mixing tank 6 alkali lye import 6.2, line mixer 6 wastewater outlet 6.3 pipeline connects preheater 7 bottom waste water inlet 7.1, preheater 7 upper end wastewater outlet 7.2 pipeline connects deammoniation tower 3 upper end waste water inlet 3.1, deammoniation tower 3 bottom water outlet 3.2 passes through water pump, pipeline connects preheater 7 upper end water-in 7.3, preheater 7 lower end water outlet 7.4 connects drainage pipeline, deammoniation tower 3 head gas exports 3.3 pipelines and connects backflow preheat device 8 gas feed 8.1, backflow preheat device 8 pneumatic outlet 8.2 pipeline connects first-stage condenser 5 gas feed 5.3, first-stage condenser 5 pneumatic outlet 5.4 pipeline connects the gas feed 4.1 of bottom, absorption tower 4, top, absorption tower 4 is provided with gas discharge outlet 4.2, first-stage condenser 5 bottom phegma exports 5.5 pipelines and connects knockout drum 10 phegma import 10.1, knockout drum 10 top venting port 10.2 connects absorption tower 4 gas feed 4.1, knockout drum 10 bottom liquid outlet 10.3 passes through water pump, pipeline connects backflow preheat device 8 phegma import 8.3, backflow preheat device 8 phegma exports 8.4 pipelines and connects deammoniation tower 3 upper end phegma import 3.4, backflow preheat device 8 bottom gas-liquid mixed exports 8.5 pipelines and connects knockout drum 10 top phegma import 10.1.Water pump is passed through in bottom, absorption tower 4 ammoniacal liquor outlet 4.3, pipeline connects condenser 11 ammoniacal liquor import 11.1, condenser 11 ammoniacal liquor exports the spray equipment in the middle part of 11.2 pipelines connection absorption towers 4, and condenser 11 ammoniacal liquor outlet 11.2 is separately provided with pipeline and connects deammoniation water finished pot 12.Preheater 7 upper end wastewater outlet 7.2 install pipeline is that three pipelines connect deammoniation tower 3.Preheater is 7 tubulature type preheaters.Knockout drum 10 bottom liquid outlet 10.3 is separately provided with pipeline-used water pump and pumps into absorption tower 4 water-in 4.4.
Concrete technology flow process is: first ammonia nitrogen waste water enters first-stage condenser 5 and the preliminary preheating of deammoniation tower 3 tower top high-temperature steam heat exchange after pipeline is collected, then enter line mixer 6 and regulate PH, homogeneous all measure after by preheater 7, in preheater 7, at the bottom of waste water and deammoniation tower 3 tower, high-temperature water outlet heat exchange enters deammoniation tower 3 after heating up, in tower, the ammonia nitrogen waste water sent in tower flows downward, with the high-temperature steam counter current contact directly passed at the bottom of tower, under hot conditions and dynamic action, ammonia-nitrogen content in water is made to reduce gradually.From deammoniation tower 3 top effusion containing ammonia high-temperature gas first with phegma heat exchange, make phegma enter tower top temperature to raise, then tower top high temperature ammonia enters first-stage condenser 5, the cooling of major part gas is condensed into liquid, gas-liquid mixture enters knockout drum 10, liquid portion in knockout drum 10 is back to deammoniation tower [Rolan Su1], part pumps into absorption tower 4, in knockout drum 10, in uncooled gas and first-stage condenser 5, escaping gas is unified enters absorption tower 4, absorption tower 4 adopts circulated sprinkling to absorb ammonia, the ammoniacal liquor reaching concentration after absorption squeezes into ammoniacal liquor finished pot 12 by pump, recycle or outward transport process.
The noncondensable gas overflowed in absorption tower 4 absorbs through process water circulated sprinkling, high-altitude qualified discharge.The water outlet of deammoniation tower 3 tower reactor and water inlet heat exchange lower the temperatures afterwards qualified discharge.
Claims (5)
1. an ammonia nitrogen waste water treatment system, comprise water collect tank, alkali liquor storage tank, deammoniation tower and absorption tower, it is characterized in that water collect tank passes through pump, pipeline connects first-stage condenser waste water inlet, first-stage condenser wastewater outlet arranges connecting pipe of pipeline road mixing tank waste water inlet, alkali liquor storage tank is by material pump, the mixing tank alkali lye import of connecting pipe of pipeline road, line mixer wastewater outlet pipeline connects preheater bottom waste water inlet, preheater upper end wastewater outlet pipeline connects deammoniation tower upper end waste water inlet, deammoniation tower bottom water outlet passes through water pump, pipeline connects preheater upper end water-in, preheater lower end water outlet connects drainage pipeline, deammoniation tower head gas outlet conduit connects the gas feed of backflow preheat device, backflow preheat device gases exit line connects first-stage condenser gas feed, first-stage condenser gases exit line connects the gas feed of bottom, absorption tower, top, absorption tower is provided with gas discharge outlet, first-stage condenser bottom phegma outlet conduit connects the import of knockout drum phegma, gas-liquid separation upper end venting port connects absorption tower gas feed, knockout drum bottom liquid outlet passes through water pump, pipeline connects the import of backflow preheat device phegma, backflow preheat device phegma outlet conduit connects the phegma import of deammoniation tower upper end, backflow preheat device bottom gas-liquid mixed outlet conduit connects the import of gas-liquid separation upper end phegma.
2. a kind of ammonia nitrogen waste water treatment system according to claim 1, it is characterized in that water pump is passed through in the ammoniacal liquor outlet of bottom, absorption tower, pipeline connects the import of condenser ammoniacal liquor, condenser ammoniacal liquor outlet conduit connects the spray equipment in the middle part of absorption tower, and the outlet of condenser ammoniacal liquor is separately provided with pipeline and connects deammoniation water finished pot.
3. a kind of ammonia nitrogen waste water treatment system according to claim 1, is characterized in that preheater upper end wastewater outlet install pipeline is that three pipelines connect deammoniation tower.
4. a kind of ammonia nitrogen waste water treatment system according to claim 1, is characterized in that preheater is tubulature type preheater.
5. a kind of ammonia nitrogen waste water treatment system according to claim 1, is characterized in that knockout drum bottom liquid outlet is separately provided with pipeline-used water pump and pumps into absorption tower water-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520389734.3U CN204737840U (en) | 2015-06-09 | 2015-06-09 | Ammonia nitrogen wastewater processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520389734.3U CN204737840U (en) | 2015-06-09 | 2015-06-09 | Ammonia nitrogen wastewater processing system |
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| CN204737840U true CN204737840U (en) | 2015-11-04 |
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| CN201520389734.3U Active CN204737840U (en) | 2015-06-09 | 2015-06-09 | Ammonia nitrogen wastewater processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104926009A (en) * | 2015-06-09 | 2015-09-23 | 江苏好山好水环保科技有限公司 | Ammonia-nitrogen wastewater treatment system |
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2015
- 2015-06-09 CN CN201520389734.3U patent/CN204737840U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104926009A (en) * | 2015-06-09 | 2015-09-23 | 江苏好山好水环保科技有限公司 | Ammonia-nitrogen wastewater treatment system |
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