CN207079116U - A kind of ammonia-containing water comprehensive treatment system - Google Patents
A kind of ammonia-containing water comprehensive treatment system Download PDFInfo
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- CN207079116U CN207079116U CN201720984613.2U CN201720984613U CN207079116U CN 207079116 U CN207079116 U CN 207079116U CN 201720984613 U CN201720984613 U CN 201720984613U CN 207079116 U CN207079116 U CN 207079116U
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Abstract
It the utility model is related to water treatment field, a kind of more particularly to ammonia-containing water comprehensive treatment system, it, which includes pretreatment system and stripping distillation system, the pretreatment system, includes wastewater equalization pond, reactor, intermediate pool and filter press, the stripping distillation system includes stripping rectifying column, and the stripping rectifying column includes stripping rectifying section, ammonia absorber portion, return tank, tank used for storing ammonia and condenser.Device energy-conserving and environment-protective provided by the utility model, technique is simple, good waste water treatment effect, and Product recycling utilization rate is high.
Description
Technical field
It the utility model is related to water treatment field, more particularly to a kind of ammonia-containing water comprehensive treatment system.
Background technology
Anhydrous calcium chloride meets water heating and condensation point is low, water imbibition is strong, is typically used as road, highway, parking lot, harbour
Snow melt and deicing.Drier is can be used as, is such as used for the drying of nitrogen, oxygen, hydrogen, hydrogen chloride, sulfur dioxide gas,
It is fog dispersal and dust, the optimal material of fabric fire on road surface at harbour；In addition can when production alcohol, ester, ether and acrylic resin
For use as dehydrating agent.Calcium chloride water is used for refrigerator and ice making important refrigerant, moreover it is possible to accelerates the hard of concrete
Change and increase the tolerance to cold of building mortar, be excellent building anti-freezing agent；Also act as the metallurgical protective agent of magnalium, refining
Agent, is the precipitating reagent for producing mordant pigment, processes deinking for waste paper, is the raw material for producing calcium salt, calcium chloride solution also can use
Used in the flocculant of sodium alginate industry, bean product industry, need to use ammoniacal liquor Saponified Extractants in Rare-Earth Extraction Process, thus
Substantial amounts of ammonium chloride waste-water can be produced in rare earth extraction workshop section, if directly discharged, environment will be polluted, and cause to provide
Source is wasted, it is necessary to concentrated processing can produce anhydrous calcium chloride again after the comprehensive regulation is carried out to it, but existing is given up containing ammonia
Water process for comprehensively treating water treatment effect is bad, and waste water is extremely difficult to discharge standard, and Product recycling utilization rate is relatively low.
Utility model content
Technical problem to be solved in the utility model is to provide energy-conserving and environment-protective, and technique is simple, good waste water treatment effect, and
A kind of and ammonia-containing water comprehensive treatment system that Product recycling utilization rate is high.The utility model is to give by the following technical programs
Realize：
A kind of ammonia-containing water comprehensive treatment system, it includes pretreatment system and stripping distillation system, the pretreatment system
System includes wastewater equalization pond, reactor, intermediate pool and filter press, and the stripping distillation system includes stripping rectifying column, described
Stripping rectifying column includes stripping rectifying section, and ammonia absorber portion, return tank, tank used for storing ammonia and condenser, the wastewater equalization pond are opened
There are regulating reservoir waste water inlet and regulating reservoir wastewater outlet, the reactor is provided with reactor waste water inlet and reactor waste water goes out
Mouthful, the regulating reservoir wastewater outlet is connected with reactor waste water inlet by delivery pump and pipeline, and the intermediate pool is provided with
Intermediate pool waste water inlet and intermediate pool wastewater outlet, the reactor wastewater outlet pass through pipe with intermediate pool waste water inlet
Road is connected, and the intermediate pool waste water inlet and outlet are also connected by press filtration circulating line and delivery pump with filter press, described
Strip rectifying section and ammonia absorber portion and be located at ammonia absorber portion positioned at the middle part of stripping rectifying column, the stripping rectifying section respectively
Top, the return tank is at the top of stripping rectifying column, and the tank used for storing ammonia is positioned at stripping rectifier bottoms, the condenser position
Between return tank and stripping rectifying section, the intermediate pool wastewater outlet is connected institute by delivery pump and pipeline with return tank
Reactor is stated as two, and is connected respectively with carbide slag feed bin.
The press filtration circulating line is two-way, and wherein a-road-through piping and delivery pump is connected with antisludging equipment, the resistance
Dirty device is connected by pipeline and delivery pump with stripping rectifying section, and waste water passes through inlet outlet heat exchanger after stripping rectifying section deamination
Discharged after cooling.
The ammonia absorber portion changes into ammonium chloride by the ammonia in on-condensible gas of the absorption by Hydrochloric Acid from stripping rectifying section
Process units is returned after solution extraction to recycle.
The condenser is connected by circulation line and delivery pump with cooling tower, the cooling tower and cooling pond
It is connected.
The beneficial effects of the utility model are：
A kind of ammonia-containing water comprehensive treatment system, it includes pretreatment system and stripping distillation system, the pretreatment system
System includes wastewater equalization pond, reactor, intermediate pool and filter press, and the stripping distillation system includes stripping rectifying column, described
Stripping rectifying column includes stripping rectifying section, ammonia absorber portion, return tank, tank used for storing ammonia and condenser, so, two strands in production
Ammonia nitrogen waste water mixes in wastewater equalization pond, waste water is reached the homogenizing of water and water quality, ensures amount of inlet water and water quality
Stability, mixed ammonia nitrogen waste water through in pump pump to reactor carry out pH value regulation, be directly added into calcium carbide in a kettle
Slag, pH value of waste water is adjusted to 12 or so, regulates the waste water of pH value and enter filter press through pump and carry out press filtration, outside the waste residue after press filtration
Security landfill is carried out after fortune, is prevented the pollution of the environment, filtrate gravity flow enters intermediate pool, and intermediate pool can carry out pH value again with liquid caustic soda
Regulation, to ensure requirement of the subsequent technique removal of ammonia and nitrogen to pH value, ammonia nitrogen waste water enters antisludging equipment, waste water through pump in intermediate pool
Delivered to after mixing alkaline-resisting antisludging agent in stripping rectifying section.In stripping rectifying section, ammonia-containing water moves from top to bottom, straight with steam
Counter current contacting is connect, ammonia therein is removed, and obtains the deamination waste water that ammonia content is less than 15mg/L, and deamination waste water changes by inlet and outlet
After hot device heat exchange cooling, temperature is down to 70 DEG C or so, is discharged after reaching national grade one discharge standard, and so not only technique is simple,
Energy-conserving and environment-protective, and water treatment effect is preferable.
Ammonia and water vapour and the concentrated ammonia liquor counter current contacting from tower top, ammonia density further carry in stripping rectifying section
Height, moisture are further reduced, and last ammonia density reaches 80~90%, enter condenser from tower top, and ammonia and water steam within the condenser
Vapour is used as overhead reflux by the concentrated ammonia liquor that circulating water condensing is concentration 5-15% or so, a gained concentrated ammonia liquor part, and a part is made
Produced for product, Product recycling utilization rate is very high.
And the on-condensible gas and part ammonia in condenser deliver to ammonia absorber portion and absorb ammonia therein
Afterwards, waste gas discharges after reaching national grade one discharge standard, and in ammonia absorber portion, from stripping rectifying section not
It is ammonium chloride to coagulate the ammonia in gas by absorption by Hydrochloric Acid, caused ammonium chloride solution extraction, returns process units and utilizes.
And the condenser is connected by circulation line and delivery pump with cooling tower, the cooling tower and cooling water
Pond is connected, and so sets the circulating cooling effect that can further ensure condenser, to ensure that ammonia within the condenser and water steam
Concentrated ammonia liquor of the vapour by circulating water condensing for concentration 5-15% or so.
Brief description of the drawings
Fig. 1 is Tthe utility model system structural representation；
In figure：1. carbide slag feed bin, 2. wastewater equalization ponds, 3. reactors, 4. antisludging equipments, 5. delivery pumps, 6. stripping rectifying
Tower, 7. tank used for storing ammonia, 8. ammonia absorber portions, 9. stripping rectifying sections, 10. condensers, 11. return tanks, 12. filter presses, 13. enter
Export heat exchanger, 14. cooling towers, 15. cooling ponds, 16. intermediate pools.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings
The utility model is described in further detail with most preferred embodiment.
As illustrated, a kind of ammonia-containing water comprehensive treatment system, it includes pretreatment system and stripping distillation system, described
Pretreatment system includes wastewater equalization pond 2, reactor 3, intermediate pool 16 and filter press 12, and the stripping distillation system includes vapour
Rectifying column 6 is carried, the stripping rectifying column includes stripping rectifying section 9, ammonia absorber portion 8, return tank 11, tank used for storing ammonia 7 and condensation
Device 10, the wastewater equalization pond are provided with regulating reservoir waste water inlet and regulating reservoir wastewater outlet, and the reactor is provided with reactor and given up
Water inlet and reactor wastewater outlet, the regulating reservoir wastewater outlet are connected with reactor waste water inlet by delivery pump and pipeline
Logical, the intermediate pool is provided with intermediate pool waste water inlet and intermediate pool wastewater outlet, and the reactor wastewater outlet is with
Between pond waste water inlet be connected by pipeline, intermediate pool waste water inlet and outlet also pass through press filtration circulating line and delivery pump
5 are connected with filter press, and the stripping rectifying section and ammonia absorber portion are respectively positioned at the middle part of stripping rectifying column, the stripping essence
The top that section is located at ammonia absorber portion is evaporated, the return tank is at the top of stripping rectifying column, and the tank used for storing ammonia is positioned at stripping essence
Tower bottom is evaporated, the condenser is located between return tank and stripping rectifying section, and the intermediate pool wastewater outlet passes through delivery pump
And pipeline is connected the reactor with return tank for two, and it is connected respectively with carbide slag feed bin 1.
Further, the press filtration circulating line is two-way, and wherein a-road-through piping and delivery pump is connected with antisludging equipment,
The antisludging equipment 4 is connected by pipeline and delivery pump with stripping rectifying section, and waste water passes through disengaging after stripping rectifying section deamination
Mouth heat exchanger 13 discharges after cooling.
Further, the ammonia absorber portion passes through the ammonia in on-condensible gas of the absorption by Hydrochloric Acid from stripping rectifying section, conversion
Process units is returned after producing into ammonium chloride solution to recycle.
Further, the condenser is connected by circulation line and delivery pump with cooling tower, the cooling tower 14
It is connected with cooling pond 15.
Due to a kind of ammonia-containing water comprehensive treatment system, it includes pretreatment system and stripping distillation system, the pre- place
Reason system includes wastewater equalization pond, reactor, intermediate pool and filter press, and the stripping distillation system includes stripping rectifying column,
The stripping rectifying column includes stripping rectifying section, ammonia absorber portion, return tank, tank used for storing ammonia and condenser, so, in production
Two strands of ammonia nitrogen waste waters mix in wastewater equalization pond, waste water is reached the homogenizing of water and water quality, ensure amount of inlet water and
The stability of water quality, mixed ammonia nitrogen waste water are directly added into a kettle through carrying out pH value regulation in pump pump to reactor
Carbide slag, pH value of waste water is adjusted to 12 or so, the waste water for regulating pH value enters filter press progress press filtration through pump, useless after press filtration
Security landfill is carried out after slag outward transport, is prevented the pollution of the environment, filtrate gravity flow enters intermediate pool, and intermediate pool can carry out pH with liquid caustic soda
Value is adjusted again, and to ensure requirement of the subsequent technique removal of ammonia and nitrogen to pH value, ammonia nitrogen waste water enters antisludging equipment through pump in intermediate pool,
Waste water is delivered in stripping rectifying section after mixing alkaline-resisting antisludging agent.In stripping rectifying section, ammonia-containing water moves from top to bottom, with steaming
The direct counter current contacting of vapour, ammonia therein are removed, and obtain the deamination waste water that ammonia content is less than 15mg/L, deamination waste water is by disengaging
After mouth heat exchanger heat exchange cooling, temperature is down to 70 DEG C or so, is discharged after reaching national grade one discharge standard, so not only technique letter
It is single, energy-conserving and environment-protective, and water treatment effect is preferable.
Ammonia and water vapour and the concentrated ammonia liquor counter current contacting from tower top, ammonia density further carry in stripping rectifying section
Height, moisture are further reduced, and last ammonia density reaches 80~90%, enter condenser from tower top, and ammonia and water steam within the condenser
Vapour is used as overhead reflux by the concentrated ammonia liquor that circulating water condensing is concentration 5-15% or so, a gained concentrated ammonia liquor part, and a part is made
Produced for product, Product recycling utilization rate is very high.
And the on-condensible gas and part ammonia in condenser deliver to ammonia absorber portion and absorb ammonia therein
Afterwards, waste gas discharges after reaching national grade one discharge standard, and in ammonia absorber portion, from stripping rectifying section not
It is ammonium chloride to coagulate the ammonia in gas by absorption by Hydrochloric Acid, caused ammonium chloride solution extraction, returns process units and utilizes.
And the condenser is connected by circulation line and delivery pump with cooling tower, the cooling tower and cooling water
Pond is connected, and so sets the circulating cooling effect that can further ensure condenser, to ensure that ammonia within the condenser and water steam
Concentrated ammonia liquor of the vapour by circulating water condensing for concentration 5-15% or so.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of ammonia-containing water comprehensive treatment system, it is characterized in that：Including pretreatment system and stripping distillation system, the pre- place
Reason system includes wastewater equalization pond, reactor, intermediate pool and filter press, and the stripping distillation system includes stripping rectifying column,
The stripping rectifying column includes stripping rectifying section, ammonia absorber portion, return tank, tank used for storing ammonia and condenser, the waste water regulation
Pond is provided with regulating reservoir waste water inlet and regulating reservoir wastewater outlet, and the reactor is provided with reactor waste water inlet and reactor waste water
Outlet, the regulating reservoir wastewater outlet are connected with reactor waste water inlet by delivery pump and pipeline, and the intermediate pool is opened
There are intermediate pool waste water inlet and intermediate pool wastewater outlet, the reactor wastewater outlet passes through with intermediate pool waste water inlet
Pipeline is connected, and the intermediate pool waste water inlet and outlet are also connected by press filtration circulating line and delivery pump with filter press, institute
State stripping rectifying section and ammonia absorber portion and be located at ammonia absorber portion positioned at the middle part of stripping rectifying column, the stripping rectifying section respectively
Top, the return tank positioned at stripping rectifying column at the top of, the tank used for storing ammonia positioned at stripping rectifier bottoms, the condenser
Between return tank and stripping rectifying section, the intermediate pool wastewater outlet is connected by delivery pump and pipeline with return tank
It is logical.
2. a kind of ammonia-containing water comprehensive treatment system according to claim 1, it is characterized in that：The reactor is two,
And it is connected respectively with carbide slag feed bin.
3. a kind of ammonia-containing water comprehensive treatment system according to claim 2, it is characterized in that：The press filtration circulating line is
Two-way, wherein a-road-through piping and delivery pump are connected with antisludging equipment, and the antisludging equipment passes through pipeline and delivery pump and stripping
Rectifying section is connected, and waste water discharges after being cooled after stripping rectifying section deamination by inlet outlet heat exchanger.
4. a kind of ammonia-containing water comprehensive treatment system according to claim 3, it is characterized in that：The ammonia absorber portion passes through
Ammonia in on-condensible gas of the absorption by Hydrochloric Acid from stripping rectifying section, process units circulation profit is returned after changing into ammonium chloride solution extraction
With.
5. a kind of ammonia-containing water comprehensive treatment system according to claim 4, it is characterized in that：The condenser passes through circulation
Pipeline and delivery pump are connected with cooling tower, and the cooling tower is connected with cooling pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720984613.2U CN207079116U (en) | 2017-08-08 | 2017-08-08 | A kind of ammonia-containing water comprehensive treatment system |
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| CN201720984613.2U CN207079116U (en) | 2017-08-08 | 2017-08-08 | A kind of ammonia-containing water comprehensive treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108467076A (en) * | 2018-06-01 | 2018-08-31 | 烟台国邦化工机械科技有限公司 | Based on the process and device for strengthening resolving resourceization processing waste water containing low-boiling-point substance |
| CN108996580A (en) * | 2018-08-16 | 2018-12-14 | 成渝钒钛科技有限公司 | Reduce the method and process for extracting vanadium of ammonia-nitrogen content in vanadium extracting waste water |
-
2017
- 2017-08-08 CN CN201720984613.2U patent/CN207079116U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108467076A (en) * | 2018-06-01 | 2018-08-31 | 烟台国邦化工机械科技有限公司 | Based on the process and device for strengthening resolving resourceization processing waste water containing low-boiling-point substance |
| CN108996580A (en) * | 2018-08-16 | 2018-12-14 | 成渝钒钛科技有限公司 | Reduce the method and process for extracting vanadium of ammonia-nitrogen content in vanadium extracting waste water |
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