CN206616035U - Ammonia-containing water processing unit - Google Patents
Ammonia-containing water processing unit Download PDFInfo
- Publication number
- CN206616035U CN206616035U CN201720380865.4U CN201720380865U CN206616035U CN 206616035 U CN206616035 U CN 206616035U CN 201720380865 U CN201720380865 U CN 201720380865U CN 206616035 U CN206616035 U CN 206616035U
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- China
- Prior art keywords
- ammonia
- valve
- containing water
- absorber
- processing unit
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Abstract
The utility model is related to technical field of waste water processing, disclose a kind of ammonia-containing water processing unit, sodium hydroxide storage tank and ammonia-containing water groove are connected with the bottom cavity of ammonia still respectively, and reboiler is arranged in the bottom cavity of ammonia still, and its one end sets heat conductive oil inlet and conduction oil outlet respectively；The top of ammonia still is connected by the first reflux line and the 3rd valve with the circulation of at least one ammonia condenser；First reflux line is connected with pans by the 4th valve, and pans are connected with ammonia absorber by the 5th valve, and the bottom cavity of ammonia absorber is connected with top by the second reflux line with aqua ammonia pump and ammoniacal liquor condenser；Tank used for storing ammonia is connected by the 6th valve with ammonia absorber.The utility model is 7.5m to the wastewater treatment capacity for being 17g/l containing ammonia nitrogen3/ d, NH3N concentration is 17g/l, the processing of completion in 16 hours；Ammonia nitrogen ＜ 35mg/l in ammonia concn >=6%, waste liquid can be reclaimed after processing.
Description
Technical field
The utility model is related to technical field of waste water processing, more particularly to a kind of ammonia-containing water processing unit.
Background technology
Often to be discharged containing certain density ammonia nitrogen waste water in many industrial productions, how to handle enables ammonia-containing water to reach
Mark discharge, is always the target that everybody pursues.
Current higher concentration Treatment Method of Ammonia-contained Waste Water mainly has：Air stripping method, ion-exchange, chlorination, A/O lifes
Thing method, membrane separation process and vaporizing extract process etc..Air stripping method：First waste water is alkalized, air is passed through by waste water when pH=9.5 ~ 11.5
In ammonia blow down.Its advantage is that flow is simple, but can occur pollutant transfer.Ion-exchange：Spent ion exchange resin is adsorbed
Ammonium ion, makes resin regeneration with sulfuric acid elution.This method choice is strong, needs frequent regeneration, reagent consumption is big.Chlorination：With
Chlorine is adsorbed by ammoxidation, then by the sal-ammoniac of generation.This method needs substantial amounts of chlorine and is also easy to produce secondary pollution.A/O is biological
Method：Reacted by nitrification and denitrification, ammonia is eventually converted into nitrogen.High treating effect, it is more economical, but need carbon source.Film point
From method：Ammonia separation is come out using hydrophobic hollow-fibre membrane, byproduct ammonium chloride is generated with hydrogen chloride absorption.Treatment effect
It is good, but invest larger.Vaporizing extract process：Using the method for distillation, the Light ends ammonia stripping in waste water is come up in stripper, through cold
Ammoniacal liquor, the purified water of bottom of towe emission compliance are reclaimed after solidifying.High treating effect, but energy consumption is big.
Utility model content
Utility model purpose：For problems of the prior art, the utility model provides a kind of ammonia-containing water processing
Device, can make ammonia-containing water qualified discharge after processing, and the ammonia concn of recovery is reached project demand, and energy consumption is smaller, no
Can occur pollution transportation and secondary pollution, it is with low cost.
Technical scheme：The utility model provides a kind of ammonia-containing water processing unit, including sodium hydroxide storage tank, useless containing ammonia
Tank, reboiler, ammonia still, pans, ammonia absorber and tank used for storing ammonia, the liquid outlet of the sodium hydroxide storage tank lead to successively
Cross alkali lye measuring pump and the first valve is connected with the bottom cavity of the ammonia still, the liquid outlet of the ammonia-containing water groove leads to successively
Cross waste water measuring pump and the second valve is connected with the bottom cavity of the ammonia still；The reboiler is arranged on the ammonia still
In bottom cavity, and one end of the reboiler sets heat conductive oil inlet and conduction oil outlet respectively；The top of the ammonia still
Connected by the first reflux line and the 3rd valve with the circulation of at least one ammonia condenser；First reflux line with it is described
Pans are connected by the 4th valve, and the pans are connected with the bottom cavity of the ammonia absorber by the 5th valve, institute
State cold by the second reflux line and aqua ammonia pump and ammoniacal liquor between the bottom cavity of ammonia absorber and the top of the ammonia absorber
Condenser is connected；The tank used for storing ammonia passes through the 6th valve between the aqua ammonia pump and the ammoniacal liquor condenser and the ammonia
Absorption tower is connected.
Further, waste water discharge valve is also set up in the bottom cavity bottom of the ammonia still.Waste water excludes valve energy
Secondary wastewater discharge after enough being handled through ammonia still.
Further, also set up overvoltage at the top of the ammonia absorber and automatically open up valve.Ammonia is inhaled in ammonia absorber
During, if ammonia absorber tower top pressure is too high, overvoltage automatically opens up valve and will automatically opened up, it is to avoid damage ammonia absorber
And the danger exploded.
Preferably, the quantity of the ammonia condenser is two.The many condensation effects of condenser quantity are good, condensation efficiency is high,
But also its quantity is controlled in order to avoid insignificant increase installation cost, two ammonia condensers are installed here and are fully able to reach
The requirement of final products.
Further, it is provided with the first liquid level meter in the bottom cavity of the ammonia absorber；Second is provided with the pans
Liquid level meter.It is automatic when the ammonia still process phegma liquid level in pans is measured by liquid level meter reaches specified altitude assignment to close the 4th valve,
And the 5th valve is made a call to, ammonia still process phegma is flowed into ammonia absorber, the ammonia still process phegma in ammonia absorber is measured by liquid level meter to be reached
To after certain liquid level, the 5th valve is closed.
Further, the bottom cavity of the ammonia absorber is additionally provided with sample tap.Sample tap is set to be easy to from ammonia absorber
Ammonia concn in interior sampling detection and analysis ammonia still process phegma.
Further, described ammonia-containing water processing unit also includes pure water tank, the pure water tank and the ammonia absorber
Bottom cavity connected by water pump.Inhale when ammonia is operated, it is necessary to absorb to ammonia by pure water tank using ammonia absorber first
Tower supplements deionized water to reach certain liquid level, and after ammonia still process operation terminates, ammonia still process phegma will keep the liquid level, in favor of
Subsequent operation.
Further, described ammonia-containing water processing unit also includes heat conduction oil tank, and the heat conduction oil tank passes through institute
State heat conductive oil inlet and the conduction oil outlet is connected with the reboiler.Storage conduction oil in heat conduction oil tank, its with again
Reboiler can be entered by boiling after device connection, the temperature in conduction oil, rise ammonia still is heated by reboiler, and temperature reaches 100
DEG C or so sodium hydroxide and ammonia-containing water react.
Preferably, the reboiler is kettle type reboiler.
Beneficial effect：This ammonia-containing water processing unit is 7.5m to the wastewater treatment capacity for being 17g/l containing ammonia nitrogen3/ d, NH3-N
Concentration is 17g/l, the processing of completion in 16 hours；Ammonia nitrogen ＜ 35mg/l in ammonia concn >=6%, waste liquid can be reclaimed after processing.
Brief description of the drawings
Fig. 1 is the structural representation of ammonia-containing water processing unit in the utility model.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
The utility model discloses a kind of ammonia-containing water processing unit, as shown in figure 1, it is main by sodium hydroxide storage tank 1, contain
Ammonia waste water groove 2, kettle type reboiler 3, ammonia still 4, pans 5, ammonia absorber 6 and tank used for storing ammonia 7 are constituted, sodium hydroxide storage tank
1 liquid outlet is connected by the valve 9 of alkali lye measuring pump 8 and first with the bottom cavity of ammonia still 4, opens the He of alkali lye measuring pump 8
Sodium hydroxide solution in first valve 9, sodium hydroxide storage tank 1 will be pumped in the cavity of the bottom of ammonia still 4, ammonia-containing water
The liquid outlet of groove 2 is connected by the valve 11 of waste water measuring pump 10 and second with the bottom cavity of ammonia still 4, opens waste water measuring pump
10 and second valve 11, the ammonia-containing water in ammonia-containing water groove 2 will be pumped in the cavity of the bottom of ammonia still 4, and reboiler 3 is consolidated
In the bottom cavity for being scheduled on ammonia still 4, one end of reboiler 3 set the conduction oil outlet 301 that is connected with heat conduction oil tank 23 and
Heat conductive oil inlet 302, sodium hydroxide solution and ammonia-containing water will be by reboilers 3 after being pumped in the bottom cavity of ammonia still 4
Submergence, is that the progress heating of both follow-up 3 pairs of reboilers is prepared；The bottom cavity bottom of ammonia still 4 also sets up waste water discharge
Valve 401, for discharging the waste liquid generated after sodium hydroxide solution reacts with ammonia-containing water；The top of ammonia still 4 passes through first
The valve 13 of reflux line 12 and the 3rd is connected Posterior circle connection, the first reflux line 12 and pans with two ammonia condensers 14
Connected respectively by the 4th valve 15 and the 5th valve 16 between 5 and pans 5 and the bottom cavity of ammonia absorber 6, ammonia is inhaled
Receive to set in the bottom cavity of tower 6 and second liquid level meter 501, the bottom of ammonia absorber 6 are set in first liquid level meter 602, pans 5
Connected between cavity and top by the second reflux line 17 with aqua ammonia pump 18 and ammoniacal liquor condenser 19, the top of ammonia absorber 6
Also set up overvoltage and automatically open up valve 601, the bottom cavity of ammonia absorber 6 is also connected by water pump 22 with pure water tank 21, and ammonia
The bottom cavity on absorption tower 6 is additionally provided with sample tap 603；Connected between ammonia absorber 6 and tank used for storing ammonia 7 by the 6th valve 20,
And the 6th valve 20 be located between aqua ammonia pump 18 and ammoniacal liquor condenser 19.
It is as follows using operation principle of the present utility model：
1 ammonia still process stage
A feeds
（1）Waste water dump valve 401 is closed, the second valve 11 is opened, with waste water measuring pump 10 by ammonia-containing water tank 2
1.875m3Ammonia-containing water is pumped into the bottom cavity of ammonia still 4.
（2）Ammoniacal liquor cooler 19 is opened simultaneously, starts aqua ammonia pump 18.
（3）The first valve 9 is opened, with alkali lye measuring pump 8 by 0.115 m3, the 40%NaOH aqueous solution is from sodium hydroxide storage tank
1 is pumped into the bottom cavity of ammonia still 4.
B heats ammonia still process
（1）The first valve 9 and the second valve 11 are closed, the 3rd valve 13 is opened, the heat conductive oil inlet of reboiler 3 is opened
301, conduction oil enters out of heat conduction oil tank 23 to be started to warm up in reboiler 3, ammonia still 4, sodium hydroxide and is contained in ammonia still 4
Ammonia waste water reacts,, the ammonia and vapor of generation rise successively in ammonia still 4
Become ammonia still process phegma after into the first reflux line 12, two ammonia condensers 14 and be recycled into ammonia still process through the 3rd valve 13 again
Tower 4.
（2）The 3rd valve 13 is closed, the 4th valve 15 is opened, ammonia still process phegma flows into pans through the first reflux line 12
5 extraction.Temperature is raised to 100 DEG C and starts to clock in ammonia still 4, and all the extraction time is 0.5h to ammonia still process phegma.
（3）The 4th valve 15 is closed, the 3rd valve 13 is opened, ammonia still process phegma is back in ammonia still 4 again, is continued
Ammonia still process 2.5h.
C stops heating
The conduction oil outlet 302 of reboiler 3 is opened, conduction oil enters heat conduction oil tank 23 from reboiler 3, stops heating,
Waste water discharge valve 401 is opened, the remaining waste water of discharge completes the processing of first ammonia-containing water, carries out next batch.
2 ammonia absorption stages
The injection of a cyclic absorption water first
First using during ammonia absorber 6, it is necessary to which the deionized water in pure water tank 21 is pumped into ammonia absorber by water pump 22
6 so that the deionized water in ammonia absorber 6 reaches certain liquid level.After ammonia still process operation terminates, ammonia still process phegma all keeps the liquid
Position, in favor of subsequent operation.
B inhales ammonia
The uncooled ammonia in part and fixed gas enter ammonia absorber 6, are absorbed again through ammoniacal liquor, then pass through the second backflow
Pipeline 17 is pumped into ammoniacal liquor cooler 19 through aqua ammonia pump 18 and cooled down, and enters ammonia absorber 6 through the top of ammonia absorber 6 again after cooling
Bottom cavity carries out cyclic absorption, and to remove most ammonias, tail gas enters vent gas treatment workshop section.Inhale during ammonia, ammonia is inhaled
If it is too high to receive the top pressure of tower 6, automatically opens up valve 601 and automatically open up.
Closed automatically when the liquid level that the second liquid level meter 501 detects the ammonia still process phegma in pans 5 reaches specified altitude assignment
The 4th valve 15 is closed, and opens the 5th valve 16, ammonia still process phegma is flowed into ammonia absorber 6, when the first liquid level meter 602 is detected
Liquid level to the ammonia still process phegma in ammonia absorber 6 is reached after certain liquid level, closes the 5th valve 16.
Sampled from sample tap 603, the ammonia concn in analysis ammonia absorber 6 in ammonia still process phegma.
C ammonia circulating absorption solution discharges
After ammonia still process terminates, the 6th valve 20 is automatically opened up, the ammoniacal liquor of generation tank used for storing ammonia 7 is sent into, when the first liquid level
The 6th valve 20 of automatic closing when the liquid level that device 602 detects the ammonia still process phegma in ammonia absorber 6 reaches specified liquid level.
D is sampled
Reuse after the concentration of ammoniacal liquor reaches 6%~7% in detection tank used for storing ammonia 7.If concentration is less than 6%~7%（Normal behaviour
Work will not occur）, by adjusting the capacity of returns of ammonia absorber 6 with enrichment.
Above-mentioned embodiment is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with this skill
The people of art can understand content of the present utility model and implement according to this, and protection domain of the present utility model can not be limited with this.
All equivalent transformations done according to the utility model Spirit Essence or modification, should all cover protection domain of the present utility model it
It is interior.
Claims (10)
1. a kind of ammonia-containing water processing unit, it is characterised in that including sodium hydroxide storage tank（1）, ammonia-containing water groove（2）, again boil
Device（3）, ammonia still（4）, pans（5）, ammonia absorber（6）And tank used for storing ammonia（7）, the sodium hydroxide storage tank（1）Go out
Liquid mouthful passes sequentially through alkali lye measuring pump（8）With the first valve（9）With the ammonia still（4）Bottom cavity connection, it is described contain ammonia
Wastewater trough（2）Liquid outlet pass sequentially through waste water measuring pump（10）With the second valve（11）With the ammonia still（4）Bottom chamber
Body is connected；The reboiler（3）It is arranged on the ammonia still（4）Bottom cavity in, and the reboiler（3）One end difference
Heat conductive oil inlet is set（301）And conduction oil outlet（302）；The ammonia still（4）Top pass through the first reflux line（12）
With the 3rd valve（13）With at least one ammonia condenser（14）Circulation connection；First reflux line（12）With the centre
Tank（5）Pass through the 4th valve（15）Connection, the pans（5）With the ammonia absorber（6）Bottom cavity pass through the 5th valve
Door（16）Connection, the ammonia absorber（6）Bottom cavity and the ammonia absorber（6）Top between pass through the second return duct
Road（17）With aqua ammonia pump（18）With ammoniacal liquor condenser（19）Connection；The tank used for storing ammonia（7）By positioned at the aqua ammonia pump（18）
With the ammoniacal liquor condenser（19）Between the 6th valve（20）With the ammonia absorber（6）Connection.
2. ammonia-containing water processing unit according to claim 1, it is characterised in that in the ammonia still（4）Bottom chamber
Body bottom also sets up waste water discharge valve（401）.
3. ammonia-containing water processing unit according to claim 1, it is characterised in that in the ammonia absorber（6）Top
Also set up overvoltage and automatically open up valve（601）.
4. ammonia-containing water processing unit according to claim 1, it is characterised in that the ammonia condenser（14）Quantity
For two.
5. ammonia-containing water processing unit according to claim 1, it is characterised in that the ammonia absorber（6）Bottom chamber
The first liquid level meter is provided with vivo（602）.
6. ammonia-containing water processing unit according to claim 1, it is characterised in that the ammonia absorber（6）Bottom chamber
Body is additionally provided with sample tap（603）.
7. ammonia-containing water processing unit according to claim 1, it is characterised in that the pans（5）Inside it is provided with second
Liquid level meter（501）.
8. ammonia-containing water processing unit according to any one of claim 1 to 7, it is characterised in that also comprising pure water tank
（21）, the pure water tank（21）With the ammonia absorber（6）Bottom cavity pass through water pump（22）Connection.
9. ammonia-containing water processing unit according to any one of claim 1 to 7, it is characterised in that also comprising conduction oil
Storage tank（23）, the heat conduction oil tank（23）Pass through the heat conductive oil inlet（301）And the conduction oil outlet（302）With institute
State reboiler（3）Connection.
10. ammonia-containing water processing unit according to any one of claim 1 to 7, it is characterised in that the reboiler
（3）For kettle type reboiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720380865.4U CN206616035U (en) | 2017-04-12 | 2017-04-12 | Ammonia-containing water processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720380865.4U CN206616035U (en) | 2017-04-12 | 2017-04-12 | Ammonia-containing water processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206616035U true CN206616035U (en) | 2017-11-07 |
Family
ID=60236182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720380865.4U Expired - Fee Related CN206616035U (en) | 2017-04-12 | 2017-04-12 | Ammonia-containing water processing unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN206616035U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107827760A (en) * | 2017-12-08 | 2018-03-23 | 烟台国邦化工机械科技有限公司 | The device and process of cholamine are reclaimed in a kind of ammonia, water, alcohol mixture |
| CN111841258A (en) * | 2020-08-18 | 2020-10-30 | 中冶北方（大连）工程技术有限公司 | Water supplementing system and method for ammonia water absorption tower |
| CN111841259A (en) * | 2020-08-18 | 2020-10-30 | 中冶北方（大连）工程技术有限公司 | Control system and method for cyclic absorption process of ammonia water absorption tower |
| CN111841257A (en) * | 2020-08-18 | 2020-10-30 | 中冶北方（大连）工程技术有限公司 | Comprehensive control system and method for ammonia water absorption tower |
| CN111841256A (en) * | 2020-08-18 | 2020-10-30 | 中冶北方（大连）工程技术有限公司 | System and method for controlling temperature of ammonia water in ammonia water absorption tower |
| CN111841260A (en) * | 2020-08-18 | 2020-10-30 | 中冶北方（大连）工程技术有限公司 | Ammonia water recovery intelligent control system and method for ammonia water absorption tower |
-
2017
- 2017-04-12 CN CN201720380865.4U patent/CN206616035U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107827760A (en) * | 2017-12-08 | 2018-03-23 | 烟台国邦化工机械科技有限公司 | The device and process of cholamine are reclaimed in a kind of ammonia, water, alcohol mixture |
| CN107827760B (en) * | 2017-12-08 | 2023-10-10 | 烟台国邦化工机械科技有限公司 | Device and process method for recycling aminoethanol from mixture of ammonia, water and ethanol |
| CN111841258A (en) * | 2020-08-18 | 2020-10-30 | 中冶北方（大连）工程技术有限公司 | Water supplementing system and method for ammonia water absorption tower |
| CN111841259A (en) * | 2020-08-18 | 2020-10-30 | 中冶北方（大连）工程技术有限公司 | Control system and method for cyclic absorption process of ammonia water absorption tower |
| CN111841257A (en) * | 2020-08-18 | 2020-10-30 | 中冶北方（大连）工程技术有限公司 | Comprehensive control system and method for ammonia water absorption tower |
| CN111841256A (en) * | 2020-08-18 | 2020-10-30 | 中冶北方（大连）工程技术有限公司 | System and method for controlling temperature of ammonia water in ammonia water absorption tower |
| CN111841260A (en) * | 2020-08-18 | 2020-10-30 | 中冶北方（大连）工程技术有限公司 | Ammonia water recovery intelligent control system and method for ammonia water absorption tower |
| CN111841258B (en) * | 2020-08-18 | 2024-03-08 | 中冶北方（大连）工程技术有限公司 | Water supplementing system and method of ammonia water absorption tower |
| CN111841259B (en) * | 2020-08-18 | 2024-03-08 | 中冶北方（大连）工程技术有限公司 | Control system and method for circulating absorption process of ammonia absorption tower |
| CN111841256B (en) * | 2020-08-18 | 2024-03-08 | 中冶北方（大连）工程技术有限公司 | Control system and method for ammonia water temperature in ammonia water absorption tower |
| CN111841260B (en) * | 2020-08-18 | 2024-03-08 | 中冶北方（大连）工程技术有限公司 | Intelligent control system and method for ammonia water recovery of ammonia water absorption tower |
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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: 20171107 Termination date: 20180412 |