CN207827904U - A kind of waste water deaminizing system based on membrane contactor - Google Patents
A kind of waste water deaminizing system based on membrane contactor Download PDFInfo
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- CN207827904U CN207827904U CN201721619915.6U CN201721619915U CN207827904U CN 207827904 U CN207827904 U CN 207827904U CN 201721619915 U CN201721619915 U CN 201721619915U CN 207827904 U CN207827904 U CN 207827904U
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Abstract
The utility model discloses a kind of waste water deaminizing systems based on membrane contactor, including waste water supplying module, deamination module and sour absorbing liquid to recycle supplying module, and the deamination module includes：Level-one membrane contactor, shell side import are connect with the waste water supplying module；Two level membrane contactor, shell side import are connected to the shell-side outlet of the level-one membrane contactor, and shell-side outlet is connect with wastewater treatment drainpipe up to standard；The acid absorbing liquid cycle supplying module includes at least three sour absorbing liquid cycling elements, and each acid absorbing liquid cycling element includes：Acid absorbs liquid case；Original acid absorbing liquid entrance；Sour absorbing liquid supply opening；Liquid pump is connect with the sour absorbing liquid supply opening；Two sour absorbing liquid supply control valves, inlet are connect with the liquid pump simultaneously, and liquid outlet is connect with the tube side import of the level-one membrane contactor and two level membrane contactor respectively；Sour absorbing liquid recovery port；Two sour absorbing liquid recovery control valves and sour absorbing liquid outlet.
Description
Technical field
The utility model is related to membrane contactor remove inorganic ammonia nitrogen technical field, more particularly to it is a kind of based on membrane contactor
Waste water deaminizing system.
Background technology
A kind of pollution treatment side that inorganic ammonia nitrogen is ammonia-nitrogen content in the reduction waste water proposed in recent years is removed using membrane contactor
Method.Increase the pH value of waste water, increase its temperature, the ionization of ammonia nitrogen in waste water can be inhibited, makes it that the molecular state of dissolving be presented；With
The film of membrane contactor separates waste water and absorbing liquid as interface, utilizes molecular state NH in waste water and absorbing liquid3Existing chemistry
The difference of gesture realizes NH in waste water3By this process of film diffusion to absorbing liquid, to reduce ammonia-nitrogen content in waste water.It inhales
It can be water or acid solution to receive liquid, and ammonia can react in acid solution becomes ammonium ion.For water, the acid solution of equivalent can
With the more ammonia nitrogens of absorbing and removing.
Absorbing liquid is mostly using being diluted to 4.5% aqueous sulfuric acid below at present.In operational process, in absorbing liquid
Sulfuric acid concentration constantly reduce, removal efficiency, rate decline therewith.There is producer to propose the pH of on-line monitoring absorbing liquid with being directed to
Value, the concentrated sulfuric acid is added when it is more than 2 to overcome disadvantages mentioned above, the patent document of Publication No. CN 205575697U to disclose
A kind of deamination system based on degassing film comprising：Waste water is sent into section, deamination section, dilute sulfuric acid supply section, the concentrated sulfuric acid and supplies section；
It includes ammonia nitrogen waste water storage tank that waste water, which is sent into section, and deamination section includes deamination pipe；It includes dilute sulfuric acid circulating slot, dilute sulphur that dilute sulfuric acid, which supplies section,
The first outlet of sour circulating slot is connected by pipeline with the top of deamination pipe, and the entrance of dilute sulfuric acid circulating slot by pipeline with
The bottom end of deamination pipe is connected, and sour absorbing liquid pH meter is additionally provided on the pipeline between first outlet and deamination pipe；The concentrated sulfuric acid supplies
Include high-concentration sulfuric acid accumulator tank to section, high-concentration sulfuric acid accumulator tank is parallel on the pipeline between entrance and deamination pipe, highly concentrated
Spend the upstream that sulfuric acid accumulator tank is located at sour absorbing liquid pH meter.
Above-mentioned apparatus when in use, although before this sulfuric acid in absorbing liquid some reacted with ammonia nitrogen generate ammonium sulfate,
But constantly the addition concentrated sulfuric acid can cause absorbing liquid intermediate ion excessive concentration, ionic activity to reduce, and then reduce absorption efficiency.It adds
The concentrated sulfuric acid in absorbing liquid if do not stirred evenly timely, the absorption liquid acidity mistake into membrane contactor can be caused
Height damages membrane contactor, and is also not excluded for during adding the concentrated sulfuric acid and by pipeline is directly entered film to contact this unexpected
Occur；Membrane contactor is not only damaged in this way, it is also possible to generate other industrial accidents.
In addition, when ammonium sulfate concentrations are excessively high in absorbing liquid, a part of absorbing liquid is arranged outside, carries out the recycling of ammonium sulfate；Cause
The concentrated sulfuric acid is supplemented for pH value >=2 of absorbing liquid, must be mingled with a part of sulfuric acid in the absorbing liquid arranged in addition, not only cause
Material waste, and in the evaporation and crystal process of ammonium sulfate, the sulfuric acid being mingled with corrodes crystallizing evaporator, damages equipment.
Utility model content
The utility model provides a kind of waste water deaminizing system based on membrane contactor, has the absorbing liquid of recycling ammonium sulfate
It is few to be inside mingled with sulfuric acid amount, the concentrated sulfuric acid is not added in deamination operational process, deamination rate fluctuation is small, efficient excellent of ammonia nitrogen removal
Point.
A kind of waste water deaminizing system based on membrane contactor, including waste water supplying module, deamination module and sour absorbing liquid
Supplying module is recycled, the deamination module includes：
Level-one membrane contactor, shell side import are connect with the waste water supplying module；
Two level membrane contactor, shell side import are connected to the shell-side outlet of the level-one membrane contactor, shell-side outlet and waste water
Handle drainpipe connection up to standard；
The acid absorbing liquid cycle supplying module includes at least three sour absorbing liquid cycling elements, each acid absorbing liquid cycle
Unit includes：
Acid absorbs liquid case；
Original acid absorbing liquid entrance；
Sour absorbing liquid supply opening；
Liquid pump is connect with the sour absorbing liquid supply opening；
Two sour absorbing liquid supply control valves, inlet are connect with the liquid pump simultaneously, liquid outlet respectively with the level-one
Membrane contactor is connected with the tube side import of two level membrane contactor；
Sour absorbing liquid recovery port；
Two sour absorbing liquid recovery control valves, liquid outlet are connect with the sour absorbing liquid recovery port simultaneously, inlet difference
It exports and connects with the tube side of the level-one membrane contactor and two level membrane contactor；
Sour absorbing liquid outlet.
The utility model is equipped at least three sour absorbing liquid cycling elements, and each acid absorbing liquid cycling element can be to level-one
Or two level membrane contactor, for absorbing liquid, all acid absorbing liquid cycling elements can be interchanged completely.In operation, one and deamination
System separates, in outer row's ammonium sulfate, the original sour absorbing liquid of supplement or the states such as spare, other two one to one as required
Grade membrane contactor is for sour absorbing liquid, another is to two level membrane contactor for sour absorbing liquid.
Detailed process is as follows：
The sour absorbing liquid at system operation initial stage, a sour absorbing liquid cycling element is pressurizeed through liquid pump by level-one membrane contactor
Portion side nozzle enters tube side, and the waste water of waste water supplying module enters shell side by the bottom nozzle of level-one membrane contactor, and acid absorbs
Countercurrently with waste water, the inorganic ammonia nitrogen in waste water is with molecular state NH for liquid3By in film diffusion to sour absorbing liquid, with sulfuric acid reaction
At ammonium sulfate, sour absorbing liquid goes out from level-one membrane contactor lower side nozzle, and sour absorption is flowed back into through peracid absorbing liquid recovery port
In liquid case.Waste water goes out from level-one membrane contactor top nozzle, enters shell side through two level membrane contactor bottom nozzle, and from another
A acid absorbing liquid cycling element (third acid absorbing liquid cycling element is spare) enters the sulfuric acid solution adverse current of tube side, further takes off
Except the ammonia nitrogen in waste water；Under normal circumstances, the ammonia nitrogen in waste water at the top of secondary membrane contactor out is less than《Integrated wastewater discharge mark
It is accurate》In two-level index：50mg/L.
When bringing into operation, what it is into two membrane contactors is all original sour absorbing liquid, and the acid in level-one membrane contactor absorbs
The ammonia nitrogen amount that liquid absorbs is big, and ammonia-nitrogen content is very low in the waste water that the sour absorbing liquid in two level membrane contactor in turn ensures away.With
System operation, ammonium sulfate concentrations increase in acid absorbing liquid corresponding with level-one membrane contactor, and acid content reduces, until its pH value is big
It when 3, is replaced, acid corresponding with two level membrane contactor absorbs liquid case to level-one membrane contactor for acid, original originally among the above
Carry out spare acid and absorbs liquid case to two level membrane contactor for acid, originally to level-one membrane contactor for the sour absorbing liquid cycling element of acid
With isolation of system, material is pumped by ammonium sulfate crystallizing evaporator by sour absorbing liquid outlet, recycles ammonium sulfate.
After stable operation, original acid absorbing liquid is sour by this in two level membrane contactor after removal of ammonia and nitrogen to its pH value=0.5
Absorbing liquid is converted to for level-one membrane contactor, and in level-one membrane contactor after removal of ammonia and nitrogen to its pH value=3, most of sulfuric acid is
Ammonium sulfate is reacted into, remaining hydrogen ion concentration is only 0.001mol/L, and the difference very little of the ammonia nitrogen chemical potential of waste water, removes power
Very little needs, by its outer row, to recycle ammonium sulfate.
Above-mentioned control process can be adjusted with the control valve on each pipeline of manual control switch, can also be by automatically controlling
The valve and computer program that cooperation is arranged is carried out automatically controlling according to the testing result of pH detectors.
In order to improve the precision of control and adjustment, it is preferred that the acid absorbing liquid supply opening is equipped with sour absorbing liquid pH value inspection
Survey instrument.
In order to facilitate carrying out waste water supply and improve treatment effect, it is preferred that the waste water supplying module includes：
Waste water tank is equipped with ammonia nitrogen waste water receiving port, liquid caustic soda receiving port and waste water delivery outlet；
Waste water delivery pump connects the shell side import of the waste water delivery outlet and the level-one membrane contactor；
Waste water blender is mounted in the waste water tank.
In order to improve the effect of waste water deaminizing, it is preferred that the waste water delivery outlet is equipped with pH value of waste water detector.It can essence
The really pH value of control waste water, keeps denitrification effect more preferable.
Below standard waste water discharge in order to prevent, it is preferred that the waste water tank is additionally provided with untreated ammonia nitrogen waste water up to standard
Entrance, the shell that the untreated ammonia nitrogen waste water entrance up to standard passes through waste water untreated drainpipe up to standard and the two level membrane contactor
Journey outlet connection is respectively equipped with discharge of wastewater control on wastewater treatment drainpipe up to standard and the untreated drainpipe up to standard of waste water
Valve.When the waste water of the shell-side outlet of two level membrane contactor is below standard, wastewater treatment drainpipe up to standard is closed, it will that treated be useless
Water is delivered to waste water tank and is reprocessed again.
In order to facilitate testing and control, it is preferred that the shell-side outlet of the two level membrane contactor is tested equipped with ammonia-nitrogen content
Instrument.Wastewater treatment drainpipe up to standard and the untreated draining up to standard of waste water are controlled according to the testing result of ammonia-nitrogen content tester
The break-make of pipe.
In order to make sour absorbing liquid be sufficiently mixed uniformly, it is preferred that the acid, which absorbs, is equipped with sour absorbing liquid stirring in liquid case
Device.
In order to improve removal effect, it is preferred that the level-one membrane contactor vertically-arranged, bottom nozzle are shell side import, top
Nozzle is shell-side outlet, and upper side nozzle is tube side import, and lower side nozzle exports for tube side；
The two level membrane contactor vertically-arranged is arranged in the downstream of the level-one membrane contactor, and bottom nozzle is shell side import,
Top nozzle is shell-side outlet, and upper side nozzle is tube side import, and lower side nozzle exports for tube side.
Above-mentioned arrangement can be such that waste water is come into full contact with sour absorbing liquid, improve removal effect.
In order to which the excessive sour absorbing liquid of pH value is quickly discharged to ammonium sulfate crystallizing evaporator, ammonium sulfate is recycled, it is preferred that institute
It states sour absorbing liquid outlet and is connected with positive displacement pump.
Various sour absorbing liquid disengaging for convenience, it is preferred that the original sour absorbing liquid entrance and sour absorbing liquid recovery port
The top that liquid case is absorbed in the acid is set, and the acid absorbing liquid supply opening and sour absorbing liquid outlet setting are absorbed in the acid
The bottom of liquid case.
The beneficial effects of the utility model：
The waste water deaminizing system based on membrane contactor of the utility model, hydrogen ion in the ammonium sulfate outwardly pumped out
Content is low, small to crystallizing evaporator corrosivity, and three sour absorbing liquid cycling elements coordinate two membrane contactor work, effectively improve
The deamination amount of unit acid absorbing liquid saves material, and the safety of the sour absorbing liquid drain after use is higher, system production continuity
It is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of the waste water deaminizing system based on membrane contactor of the utility model.
Specific implementation mode
As shown in Figure 1, the waste water deaminizing system based on membrane contactor of the present embodiment includes：Waste water tank 1, waste water conveying
Pump 2, two level membrane contactor 3, level-one membrane contactor 4, liquid pump 5, liquid pump 6, liquid pump 7, acid absorbs liquid case 8, acid absorbs liquid case 9, acid
Absorb liquid case 10, positive displacement pump 11, positive displacement pump 12, positive displacement pump 13.Waste water tank 1, acid absorb liquid case 8, acid absorbs liquid case 9 and acid
It absorbs liquid case 10 and is equipped with attached blender.The sour absorbing liquid supply opening that each acid absorbs liquid case is connected with pH value detector, gives up
The outlet of water delivery pump 2 also is provided with pH value detector.
The system of the present embodiment has with what extraneous generation material exchanged：The waste water 01 of NH_3-N treating discharge system up to standard comes
From outside system pending nitrogen-containing wastewater 02, adjust pH value of waste water liquid caustic soda 03,5% original sulfuric acid absorption liquid 04, discharge
The ammonium sulfate 05 of system.
The present embodiment is according to being arranged and being arranged as shown in the figure, and acid absorbs liquid case 8, acid absorbs liquid case 9 and acid absorbs
Liquid case 10 can be interchanged completely, and one separates with deamination system in operation, be absorbed in outer row's ammonium sulfate, the original acid of supplement
Liquid or the states such as spare, other two as required one to level-one membrane contactor for sour absorbing liquid, another connects to secondary membrane
Tentaculum is for sour absorbing liquid.
Waste water tank 1 is set there are four nozzle, respectively ammonia nitrogen waste water receiving port, liquid caustic soda receiving port, waste water delivery outlet and
Untreated ammonia nitrogen waste water entrance up to standard.Waste water delivery outlet is connect with waste water delivery pump 2, and untreated ammonia nitrogen waste water entrance up to standard passes through
The untreated drainpipe up to standard of waste water is connect with the shell-side outlet of two level membrane contactor 3, and wastewater treatment drainpipe up to standard and waste water are not
It handles and is respectively equipped with discharge of wastewater control valve on drainpipe up to standard, break-make control can be carried out according to the disposition of waste water.
Untreated ammonia nitrogen waste water entrance up to standard receives untreated ammonia nitrogen waste water up to standard under fortuitous event, and ammonia nitrogen waste water receives
Mouthful receive pending ammonia nitrogen waste water 02, liquid caustic soda receiving port receives liquid caustic soda 03, the output of waste water delivery outlet regulate (pH value >=
11.5) ammonia nitrogen waste water.Waste water pressurizes through waste water delivery pump 2, enters in the bottom nozzle of level-one membrane contactor 4, from pore
Into film wire shell side part between film wire radial out-flow to entire membrane contactor circumference, across the partition board in membrane contactor into
Enter another part shell side, radially-inwardly flow, enter pipeline by pore goes out level-one membrane contactor 4 from top；Go out the contact of level-one film
The waste water of device 4 enters two level membrane contactor 3 with same flow process, and the ammonia nitrogen in waste water processing for going out two level membrane contactor 3 is up to standard, directly
It connects and is further processed.
The sour absorbing liquid cycle supplying module of the present embodiment includes three sour absorbing liquid cycling elements, and each acid absorbing liquid is followed
Ring element includes：Acid absorbs liquid case；Original acid absorbing liquid entrance；Sour absorbing liquid supply opening；Liquid pump connects with sour absorbing liquid supply opening
It connects；Two sour absorbing liquid supply control valves, inlet are connect with liquid pump simultaneously, liquid outlet respectively with level-one membrane contactor and two level
The tube side import of membrane contactor connects；Sour absorbing liquid recovery port；Two sour absorbing liquid recovery control valves, liquid outlet are inhaled with acid simultaneously
The connection of liquid recovery port is received, inlet exports with the tube side of level-one membrane contactor and two level membrane contactor connect respectively；Sour absorbing liquid
Outlet.Control is recycled by the two sour absorbing liquid supply control valves and two sour absorbing liquids that control each sour absorbing liquid cycling element
Valve processed allows three sour absorbing liquid cycling elements mutually to substitute use.Such as it absorbs the sour absorbing liquid that liquid case 8 coordinates with acid and supplies
Answer control valve 801 and sour absorbing liquid supply control valve 802, sour absorbing liquid recovery control valve 803 and sour absorbing liquid recovery control valve
804, sour absorbing liquid supply control valve 801 and sour absorbing liquid recovery control valve 804 are opened, sour absorbing liquid supply control valve is closed
802 and sour absorbing liquid recovery control valve 803, so that acid is absorbed liquid case 8 and access level-one membrane contactor 4, opens sour absorbing liquid supply control
Valve 802 processed and sour absorbing liquid recovery control valve 803, close sour absorbing liquid supply control valve 801 and sour absorbing liquid recovery control valve
804, so that acid is absorbed liquid case 8 and accesses two level membrane contactor 3.
Acid absorbs liquid case 8, acid absorbs liquid case 9 and acid absorbs 10 top of liquid case all there are two nozzle, and original acid absorbing liquid enters
Mouth is received from 5% extraneous original sulfuric acid absorption liquid 04, and sour absorbing liquid recovery port, which receives to come from, corresponds to membrane contactor (two level
Membrane contactor 3 or level-one membrane contactor 4), to waste water carry out ammonia nitrogen removal sour absorbing liquid.There are two nozzle, acid to absorb for lower part
Liquid supply opening is pumped with liquid pump to membrane contactor supply acid absorbing liquid and enters membrane contactor through membrane contactor upper side pipeline,
Sour absorbing liquid outlet is for outwardly pumping ammonium sulfate.
System operation initial stage, the sour absorbing liquid that acid absorbs liquid case 8 are pressurizeed through centrifugal pump by 4 upper side of level-one membrane contactor
Nozzle enters tube side, and the waste water of waste water tank 2 pressurizes through waste water delivery pump 2 enters shell side by 4 bottom nozzle of level-one membrane contactor,
Countercurrently with waste water, the ammonia nitrogen in waste water is with molecular state NH for sour absorbing liquid3It is anti-with sulfuric acid by film diffusion to sour absorbing liquid
It should go out from 4 lower side nozzle of level-one membrane contactor at ammonium sulfate, sour absorbing liquid, absorb 8 upper return of liquid case in acid inhales to acid
It receives in liquid case.Waste water goes out from 4 top nozzle of level-one membrane contactor, enters shell side through 3 bottom nozzle of two level membrane contactor, with from
Acid absorbs the sulfuric acid solution adverse current that liquid case 9 enters tube side, further removes the ammonia nitrogen in waste water；Under normal circumstances, from secondary membrane
The ammonia nitrogen in waste water of 3 top of contactor out is less than《Integrated wastewater discharge standard》In two-level index：50mg/L.
When bringing into operation, what it is into two membrane contactors is all original sour absorbing liquid, and the acid in level-one membrane contactor 4 absorbs
The ammonia nitrogen amount that liquid absorbs is big, and ammonia-nitrogen content is very low in the waste water that the sour absorbing liquid in two level membrane contactor 3 in turn ensures away.With
System operation, ammonium sulfate concentrations increase in acid absorbing liquid corresponding with level-one membrane contactor 4, and acid content reduces, until its pH value
It when more than 3, is replaced, when replacement, passes through and control two sour absorbing liquid supply control valves and two sour absorbing liquids recycling controls
Valve makes sour absorption liquid case 9 originally corresponding with two level membrane contactor 3 to level-one membrane contactor 4 for acid, originally spare acid absorption
Liquid case 10, for acid, absorbed liquid case 8 and isolation of system, acid is inhaled to level-one membrane contactor 4 for the acid of acid originally to two level membrane contactor 3
Sour absorbing liquid outlet of the liquid case 8 by its underpart is received, material is pumped into ammonium sulfate crystallizing evaporator with positive displacement pump 11, recycles sulphur
Sour ammonium.
After stable operation, original acid absorbing liquid is in two level membrane contactor 3 after removal of ammonia and nitrogen to its pH value=0.5, by this
Sour absorbing liquid is converted to for level-one membrane contactor, in level-one membrane contactor after removal of ammonia and nitrogen to its pH value=3, most of sulfuric acid
Ammonium sulfate is reacted into, and remaining hydrogen ion concentration is only 0.001mol/L, and the difference very little of the ammonia nitrogen chemical potential of waste water, and removing is dynamic
Power very little needs, by its outer row, to recycle ammonium sulfate.
In conclusion hydrogen ion content is low in the ammonium sulfate that the system of the present embodiment outwardly pumps out, evaporation is tied
Brilliant device corrosivity is small；Ammonium sulphate content is seldom in the sour absorbing liquid supplied to two level membrane contactor 3, it is ensured that de- by two level
Ammonia-nitrogen content after ammonia in waste water is very low；It is interior to initial in level-one membrane contactor 4 using the sour absorbing liquid for absorbing a certain amount of ammonia nitrogen
Waste water carries out deamination, ensure that the ammonia nitrogen concentration between two fluids is poor, has not only maintained good ammonia nitrogen level-one removal efficiency, but also improves single
The deamination amount of the sour absorbing liquid in position, saves material；In addition, when arranging ammonium sulfate outward, replacing sour absorbing liquid, corresponding acid absorbing liquid is followed
Ring element and isolation of system, safety is higher, and continuous production is good.
Claims (10)
1. a kind of waste water deaminizing system based on membrane contactor, including waste water supplying module, deamination module and sour absorbing liquid are followed
Ring supplying module, which is characterized in that the deamination module includes：
Level-one membrane contactor, shell side import are connect with the waste water supplying module；
Two level membrane contactor, shell side import are connected to the shell-side outlet of the level-one membrane contactor, shell-side outlet and wastewater treatment
Drainpipe connection up to standard；
The acid absorbing liquid cycle supplying module includes at least three sour absorbing liquid cycling elements, each acid absorbing liquid cycling element
Including：
Acid absorbs liquid case；
Original acid absorbing liquid entrance；
Sour absorbing liquid supply opening；
Liquid pump is connect with the sour absorbing liquid supply opening；
Two sour absorbing liquid supply control valves, inlet are connect with the liquid pump simultaneously, and liquid outlet connects with the level-one film respectively
Tentaculum is connected with the tube side import of two level membrane contactor；
Sour absorbing liquid recovery port；
Two sour absorbing liquid recovery control valves, liquid outlet are connect with the sour absorbing liquid recovery port simultaneously, inlet respectively with institute
State the tube side outlet connection of level-one membrane contactor and two level membrane contactor；
Sour absorbing liquid outlet.
2. the waste water deaminizing system based on membrane contactor as described in claim 1, which is characterized in that the acid absorbing liquid supply
Mouth is equipped with sour absorbing liquid pH value detector.
3. the waste water deaminizing system based on membrane contactor as described in claim 1, which is characterized in that the waste water supplying module
Including：
Waste water tank is equipped with ammonia nitrogen waste water receiving port, liquid caustic soda receiving port and waste water delivery outlet；
Waste water delivery pump connects the shell side import of the waste water delivery outlet and the level-one membrane contactor；
Waste water blender is mounted in the waste water tank.
4. the waste water deaminizing system based on membrane contactor as claimed in claim 3, which is characterized in that the waste water delivery outlet is set
There is pH value of waste water detector.
5. the waste water deaminizing system based on membrane contactor as claimed in claim 3, which is characterized in that the waste water tank is also set
Have a untreated ammonia nitrogen waste water entrance up to standard, the untreated ammonia nitrogen waste water entrance up to standard by the untreated drainpipe up to standard of waste water with
The shell-side outlet of the two level membrane contactor connects, on wastewater treatment drainpipe up to standard and the untreated drainpipe up to standard of waste water
It is respectively equipped with discharge of wastewater control valve.
6. the waste water deaminizing system based on membrane contactor as claimed in claim 5, which is characterized in that the two level membrane contactor
Shell-side outlet be equipped with ammonia-nitrogen content tester.
7. the waste water deaminizing system based on membrane contactor as described in claim 1, which is characterized in that the acid absorbs in liquid case
Sour absorbing liquid blender is installed.
8. the waste water deaminizing system based on membrane contactor as described in claim 1, which is characterized in that the level-one membrane contactor
Vertically-arranged, bottom nozzle are shell side import, and top nozzle is shell-side outlet, and upper side nozzle is tube side import, lower side facial canal
Mouth is that tube side exports；
The two level membrane contactor vertically-arranged, is arranged in the downstream of the level-one membrane contactor, and bottom nozzle is shell side import, top
Nozzle is shell-side outlet, and upper side nozzle is tube side import, and lower side nozzle exports for tube side.
9. the waste water deaminizing system based on membrane contactor as described in claim 1, which is characterized in that the acid absorbing liquid discharge
Mouth is connected with positive displacement pump.
10. the waste water deaminizing system based on membrane contactor as described in claim 1, which is characterized in that the original acid absorbs
The top that liquid case is absorbed in the acid, the acid absorbing liquid supply opening and sour absorbing liquid is arranged in liquid entrance and sour absorbing liquid recovery port
The bottom that liquid case is absorbed in the acid is arranged in outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721619915.6U CN207827904U (en) | 2017-11-28 | 2017-11-28 | A kind of waste water deaminizing system based on membrane contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721619915.6U CN207827904U (en) | 2017-11-28 | 2017-11-28 | A kind of waste water deaminizing system based on membrane contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207827904U true CN207827904U (en) | 2018-09-07 |
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ID=63385538
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| CN201721619915.6U Active CN207827904U (en) | 2017-11-28 | 2017-11-28 | A kind of waste water deaminizing system based on membrane contactor |
Country Status (1)
| Country | Link |
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| CN (1) | CN207827904U (en) |
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2017
- 2017-11-28 CN CN201721619915.6U patent/CN207827904U/en active Active
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