CN207738580U - A kind of garbage-leachate processing system of soda acid gas washing processing - Google Patents
A kind of garbage-leachate processing system of soda acid gas washing processing Download PDFInfo
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- CN207738580U CN207738580U CN201721122528.1U CN201721122528U CN207738580U CN 207738580 U CN207738580 U CN 207738580U CN 201721122528 U CN201721122528 U CN 201721122528U CN 207738580 U CN207738580 U CN 207738580U
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Abstract
A kind of garbage-leachate processing system of soda acid gas washing processing, which is characterized in that including anaerobic pond, flocculation basin, flotation tank, secondary sedimentation tank and MVC vapo(u)rization systems.MVC vapo(u)rization systems include：Steam generator, vent condenser, plate heat exchanger, vapour compression machine, vaporizer body, distillation water pot, acid elution tower and caustic scrubber.Wherein, anaerobic pond, flocculation basin, flotation tank, secondary sedimentation tank are sequentially connected by pipeline, and secondary sedimentation tank passes through piping connection MVC vapo(u)rization systems.Acid elution tower carries out pickling to vaporizer body treated stoste steam.Stoste steam after caustic scrubber washes acid elution tower acid carries out alkali cleaning.
Description
Technical field
The utility model is related to garbage leachate treatment technologies, and in particular to a kind of progress anaerobism pre-treatment and soda acid are washed
The MVC falling film evaporation processing systems of gas disposal.
Background technology
Since garbage leachate complicated component makes with higher toxicity simultaneously again with high cod values, high ammonia-nitrogen content
Garbage leachate intractability is very big, change of water quality range is very big, and Leachate site is since pollutant concentration is high, water and water quality
The features such as impact is big, nutrient is unbalance and toxicity is big, while new standard height makes biochemical process that must be continuously increased technique list
Member leads to biochemical process chain length in this way, and the front-to-back effect between technique unit is big, in addition stringenter state modulator, easily
Cause the operation of system complicated and unstable.This is also that current most of Leachate sites are unable to longtime running using the technique, easily
The main problem of paralysis.
The Leachate site generated especially in garbage burning factory stacking pit, COD concentration up to 50000~80000mg/L,
Ammonia-nitrogen content etc. is all higher than landfill yard, so the processing mode of incineration plant garbage leachate is more complicated, traditional wastewater treatment without
Method is met the requirements, and the complexity of Leachate site ingredient makes leachate treatment system be difficult stable operation.
Leachate treatment technology is mainly MVC+DI techniques at present：Leachate site is easy in Leachate site under conditions of evaporation
The part COD that degrades is to be taken out of with gas in the form of volatile organic acids (VOC), while its ammonia nitrogen contained also can be with gas mostly
Overflow, the technique by ion exchange resin by containing with the COD and ammonia nitrogen exchange adsorption in distilled water, although can concede in this way
Water is up to standard, but resins exchange ability is limited, and treating capacity is extremely low, and cannot go back primary resin in time after supersaturation will be breakdown, causes
System and its be unable to steady and continuous production.And it is of high cost when needing regenerating resin after being saturated, greatest problem is restored in resin
In the process, the largely waste liquid containing ammonia nitrogen and COD is generated, and causes secondary pollution.Furthermore Leachate site is entering evaporator evaporation
Without pretreatment before processing, cause heat exchanger tube fouling serious, seriously affect system water yield, influences the steady in a long-term of system
Operation.
Utility model content
In view of the above problem, the utility model provides a kind of garbage-leachate processing system, can avoid using ion
The various problems of exchanger resin, and reduce heat exchanger tube fouling.
The utility model provides a kind of garbage-leachate processing system of soda acid gas washing processing, including anaerobic pond, flocculation basin,
Flotation tank, secondary sedimentation tank and MVC vapo(u)rization systems.The MVC vapo(u)rization systems include：It is steam generator, vent condenser, board-like
Heat exchanger, vapour compression machine, vaporizer body, distillation water pot, acid elution tower and caustic scrubber.Wherein, the anaerobic pond, flocculation
Pond, flotation tank, secondary sedimentation tank are sequentially connected by pipeline, to entering the garbage leachate of the garbage-leachate processing system
Stoste carries out pre-treatment.The secondary sedimentation tank passes through MVC vapo(u)rization systems described in piping connection.The acid elution tower is to the steaming
The stoste steam for sending out device main body treated garbage leachate stoste carries out pickling.The caustic scrubber is to the acid elution tower acid
The stoste steam of garbage leachate stoste after washing carries out alkali cleaning.
In an embodiment of the utility model, acid elution tower supplements evaporator master described in pipeline connection by stoste steam
Body is provided with shut-off valve and stoste vapor detector on pipeline.
In an embodiment of the utility model, it is provided with pickle ancillary equipment outside acid elution tower, passes through pickle
Pipeline connection is supplemented, pickle meter and shut-off valve and stoste steam pump are provided on pickle supplement pipeline.
In an embodiment of the utility model, caustic scrubber supplements evaporator master described in pipeline connection by stoste steam
Body is provided with shut-off valve and stoste vapor detector on pipeline.
In an embodiment of the utility model, it is provided with alkali wash water ancillary equipment outside caustic scrubber, passes through alkali wash water
Pipeline connection is supplemented, alkali wash water meter and shut-off valve and stoste steam pump are provided on alkali wash water supplement pipeline.
In an embodiment of the utility model, garbage-leachate processing system further includes stoste discharge line, the original
Liquid discharge line is provided with original liquid concentration detector, check valve and raw liquor pump, dense by detecting the stoste in stoste discharge line
The discharge of degree control stoste passes through vaporizer body described in stoste pipeline blowback.
In an embodiment of the utility model, in MVC vapo(u)rization systems：The steam generator is connected to the evaporator master
Body.The plate heat exchanger is connected to a distilled water of the vent condenser, the distillation water pot and the MVC vapo(u)rization systems
Outlet pipeline.The vent condenser is connected to the vaporizer body, the distillation water pot.The vent condenser is also connected to institute
State a fixed gas discharge line of MVC vapo(u)rization systems.The vaporizer body is connected to the distillation water pot, the vapour compression machine
With the acid elution tower.The vaporizer body is also connected to a stoste discharge line of the MVC vapo(u)rization systems.The evaporator
One of main body, by another portion of vaporizer body described in piping connection itself, forms a circulation line in outside.The acid
Scrubbing tower is connected to the caustic scrubber.The caustic scrubber is connected to the vapour compression machine and the vaporizer body.
In an embodiment of the utility model, vaporizer body includes the hot well, heat exchanger tube and spray being arranged in cavity
Shower device, the vaporizer body are provided with stoste entrance, stoste outlet, steam entry, condensation-water drain, stoste steam and enter
Mouth and stoste steam (vapor) outlet.The stoste entrance be provided with it is multiple, one of stoste entrance be connected to the vent condenser and
The cavity, another stoste entrance are connected to by pipeline with the stoste outlet in the outside of the vaporizer body.It is described
Stoste outlet is in the external spray equipment and stoste discharge line for being connected to the vaporizer body.The steam entry is set
It is equipped with multiple, one of steam entry connection steam generator and the cavity, the connection of another steam entry
The distillation water pot and the cavity.The condensation-water drain is provided with multiple, one of condensation-water drain connection row
Gas condenser and the heat exchanger tube, another condensation-water drain are connected to the distillation water pot and the heat exchanger tube.The stoste is steamed
Vapour entrance is connected to the vapour compression machine and the heat exchanger tube.The stoste steam (vapor) outlet is connected to the vapour compression machine and described
Acid elution tower.
In an embodiment of the utility model, stoste steam (vapor) outlet is connected to the vapour compression machine and the acid elution
The pipeline of tower is provided with stoste vapor detector and changeover valve, by the stoste steam index control for detecting the discharge of stoste steam (vapor) outlet
Stoste steam processed leads to the acid elution tower or the vapour compression machine.
In an embodiment of the utility model, the vaporizer body of MVC vapo(u)rization systems is falling film evaporator.
The beneficial effects of the utility model are that the Leachate site to entering evaporator carries out anaerobic pretreatment, and uses acid
Caustic scrubber handles discharge gas, does not use ion exchange resin, can avoid asking using the various of ion exchange resin
Topic, and can effectively reduce the processing cost of percolate.
Description of the drawings
Fig. 1 is the block diagram of one embodiment of the garbage-leachate processing system of the utility model；
Fig. 2 be the garbage-leachate processing system of the utility model one embodiment in MVC evaporation process part show
It is intended to；
Wherein, the reference numerals are as follows：
P1 anaerobic ponds
P2 flocculation basins
P3 flotation tanks
P4 secondary sedimentation tanks
S MVC vapo(u)rization systems
CS cooling devices
AS absorption plants
1. steam generator
2. vent condenser
3. plate heat exchanger
4. vapour compression machine
5. vaporizer body
6. distilling water pot
7. acid elution tower
8. caustic scrubber
A stoste pipeline imports
B distilled water discharge lines export
C fixed gas discharge lines export
D stoste discharge lines export
Specific implementation mode
Below with reference to attached drawing, specific embodiment through the invention carries out in detail technical solution provided by the present invention
Illustrate, so that those skilled in the art carry out more specific understanding to the present invention.It should be noted that following embodiment is provided
Technical solution and Figure of description only for the present invention will be described use, be not intended to limit the present invention.Below
In embodiment and attached drawing, has been omitted from and be not shown with the indirect relevant element of the present invention, step；And each interelement in attached drawing
Size relationship be only to ask and be readily understood by, it is non-limiting actual ratio.
One embodiment of the invention is described in detailed below, to be carried out specifically to technical solution provided by the present invention
It is bright, so that those skilled in the art carry out more specific understanding to the present invention.
Please refer to Fig.1 and Fig. 2, Fig. 1 be the utility model garbage-leachate processing system block diagram；Fig. 2 is
The schematic diagram of MVC evaporation process part in the garbage-leachate processing system of the utility model.The utility model provides a kind of rubbish
Rubbish leachate treatment system, including it is anaerobic pond P1, flocculation basin P2, flotation tank P3, secondary sedimentation tank P4, MVC vapo(u)rization system S, cold
But device CS and absorption plant AS.Wherein, anaerobic pond P1, flocculation basin P2, flotation tank P3, secondary sedimentation tank P4 are suitable by pipeline
Secondary to be connected, secondary sedimentation tank P4 passes through piping connection MVC vapo(u)rization systems S.The stoste steam pipework discharge pipe of MVC vapo(u)rization systems S
Road is connected to cooling device CS.The fixed gas discharge line connection absorption plant AS of MVC vapo(u)rization systems S.In some embodiments, exist
Mechanical deslagging equipment and sieves are additionally provided in pipeline between anaerobic pond P1 and flocculation basin P2.In some embodiments, exist
It is additionally provided with grille well before anaerobic pond P1.In further embodiments, the Leachate site stoste entrance of anaerobic pond P1 is provided with lattice
Grid, and it is not provided with grille well.Those skilled in the art can select according to actual needs.The utility model not as
Limit.
MVC vapo(u)rization systems S includes：Steam generator 1, vent condenser 2, plate heat exchanger 3, vapour compression machine 4, evaporation
Device main body 5, distillation water pot 6, acid elution tower 7, caustic scrubber 8.
Wherein, steam generator 1 is connected to vaporizer body 5 by steam pipework.Plate heat exchanger 3 is connected by stoste pipeline
Logical vent condenser 2, plate heat exchanger 3 are connected to distillation water pot 6 and distilled water outlet pipe road by condensate line.Exhaust
Condenser 2 is respectively communicated with plate heat exchanger 3 and vaporizer body 5 by stoste pipeline.Vent condenser 2 passes through condensate line
Connection distillation water pot 6.Vent condenser 2 is also connected to fixed gas discharge line.Acid elution tower 7 is connected to by stoste steam pipework
Vaporizer body 5 and caustic scrubber 8.Caustic scrubber 8 is connected to vapour compression machine 4,7 and of acid elution tower by stoste steam pipework
Vaporizer body 5.Vapour compression machine 4 is connected to vaporizer body 5 and caustic scrubber 8 by stoste steam pipework.It is logical to distill water pot 6
It crosses vapor pipeline and is connected to vaporizer body 5 with condensate line.Distillation water pot 6 is connected to plate heat exchanger by condensate line
3。
Vaporizer body 5 includes hot well, heat exchanger tube and the spray equipment being arranged in cavity, and vaporizer body is provided with original
Liquid entrance, stoste outlet, steam entry, condensation-water drain, stoste steam inlet and stoste steam (vapor) outlet.Stoste entrance is arranged
Have multiple, one of stoste entrance passes through original by stoste pipeline connection vent condenser 3 and cavity, another stoste entrance
Liquid pipeline is connected to stoste outlet with stoste discharge line and forms circulation line.Stoste outlet is steamed in outside by stoste pipeline connection
Send out the spray equipment and stoste discharge line of device main body.Steam entry is provided with multiple, and one of steam entry passes through
Vapor pipeline is connected to steam generator 1 and cavity, another steam entry is connected to distillation 6 He of water pot by condensate line
Cavity.Condensation-water drain is provided with multiple, and one of condensation-water drain is connected to by condensate line and vent condenser 2 and is changed
Heat pipe, another condensation-water drain are connected to distillation water pot 6 and heat exchanger tube by condensate line.Stoste steam inlet passes through stoste
Steam pipework is connected to vapour compression machine 4 and heat exchanger tube.Stoste steam (vapor) outlet is connected to 4 He of vapour compression machine by stoste steam pipework
Acid elution tower 7.Spray equipment is connected to stoste pipeline.Preferably, the vaporizer body 5 of MVC vapo(u)rization systems S is falling film evaporator.
In some embodiments, stoste steam (vapor) outlet is provided with wire mesh demister.
In some embodiments, stoste discharge line is provided with original liquid concentration detector, check valve and raw liquor pump, passes through inspection
The discharge for the original liquid concentration control stoste surveyed in stoste discharge line passes through stoste pipeline blowback vaporizer body.
In some embodiments, stoste steam (vapor) outlet connection stoste steam pipework be provided with stoste vapor detector and
Changeover valve, the stoste steam norm controlling stoste steam by detecting the discharge of stoste steam (vapor) outlet lead to acid elution tower or vapour pressure
Contracting machine.
In some embodiments, acid elution tower 7 supplements pipeline connection vaporizer body by stoste steam, is arranged on pipeline
There are shut-off valve and stoste vapor detector and stoste steam pump.Stoste can be steamed according to the testing result of stoste vapor detector
Vapour supplements the direct blowback vaporizer body of pipeline by stoste steam.It is provided with pickle ancillary equipment outside acid elution tower 7, leads to
Peracid washing lotion supplements pipeline connection, pickle meter and shut-off valve is provided on pickle supplement pipeline, to control acid elution
The amount of pickle in tower, can be supplemented in time.
In some embodiments, caustic scrubber 8 supplements pipeline connection vaporizer body by stoste steam, is arranged on pipeline
There are shut-off valve and stoste vapor detector and stoste steam pump.Stoste can be steamed according to the testing result of stoste vapor detector
Vapour supplements the direct blowback vaporizer body of pipeline by stoste steam.It is provided with alkali wash water ancillary equipment outside caustic scrubber 8, leads to
Alkali wash water supplement pipeline connection is crossed, alkali wash water meter and shut-off valve are provided on alkali wash water supplement pipeline, to control neutralizing treatment
The amount of alkali wash water in tower, can be supplemented in time.
The detailed process of garbage-leachate processing system provided by the utility model is as follows：Leachate site via stoste pipeline into
Mouthful A is adsorbed, is decomposed, aoxidizes dirt using anaerobe in anaerobic pond P1 by entering anaerobic pond P1 after grid well/grid
Organic matter in water is to stablize harmless substance unstable organic matter degradation.Enter wadding in the sewage that anaerobic pond P1 comes out
During solidifying pond P2, by equipment such as mechanical deslagging equipment and sieves, bulk materials in waste water will be selected to filter, extract waste water
In available heavy metal substance.Sewage carries out flocculation sediment in flocculation basin P2, and finely ground particle substance flocculates into large particulate matter
Sedimentation.Sewage enters flotation tank P3 in flocculation basin P2 after flocculating setting, using Aeration fan and special aerator to air supporting
Gas supply in the P3 of pond, to remove the oil for being in emulsified state in sewage, and except in decontaminated water density close to the fine suspension of water
The impurity of granular state.After sewage enters secondary sedimentation tank P4, secondary precipitation is carried out, supernatant is back to reaction tank and continues to locate later
The sludge of reason, sedimentation basin bottom is delivered to deslimer dehydration.Deslimer treated sludge is packaged outward transport, Leachate site centralized collection
Enter MVC vapo(u)rization systems S afterwards.MVC vapo(u)rization systems S carries out advanced treating to Leachate site, by MVC evaporation technologies by Leachate site
In 90% water high temperature evaporation at steam, high-temperature steam first passes through acid elution tower again by caustic scrubber, adjustment high-temperature vapour PH
Value, then in the vaporizer body for the MVC vapo(u)rization systems S that flows back, exchange heat and condense with the stoste sprayed in vaporizer body, then flow into steaming
The distillation water pot of hair system exports D qualified discharges eventually by plate heat exchanger, distilled water discharge line.A small amount of fixed gas
Body enters vent condenser 2 by vaporizer body, and carrying out once exchanging heat again with the stoste for entering system condenses, final fixed gas
MVC vapo(u)rization system S are discharged via fixed gas discharge line outlet C in body, then are absorbed by absorption plant AS therein volatile
Acid and alkali substance, final qualified discharge.The a small amount of distilled water condensed out enters distillation water pot 6, also eventually by plate-type heat-exchange
Device, distilled water discharge line export D qualified discharges.Treated that 5%~10% concentrate passes through boiler by MVC vapo(u)rization systems S
The techniques such as burning are handled.
In MVC vapo(u)rization systems S, advanced treating is carried out to Leachate site.It is (usually straight by steam generator 1 when activation system
Connect and use tap water, those skilled in the art that can adjust according to demand, use the water of other higher standards) evaporation generation water steaming
Vapour enters cavity by steam entry of the water vapour pipeline through vaporizer body 5.After being passed through sufficient water vapor, steam generation
Device is closed.This part water vapour is circulated to stoste steam (vapor) outlet from cavity, then flows into Pistonless compressor 4, by vapour compression machine
The stoste steam inlet of vaporizer body 5 being connect with heat exchanger tube is back to after compression heating, into heat exchanger tube as thermal medium.
Become the condensed water for carrying fixed gas after completing heat exchange cooling again in heat exchanger tube, condensate portion is via a condensed water
Outlet enters distillation water pot 6 by pipeline.Fixed gas part enters vent condenser through another condensation-water drain by pipeline
2.Fixed gas enters vent condenser 2 and the stoste from plate heat exchanger 3 and exchanges heat again condensation, and the distilled water condensed out leads to
It crosses condensate line and enters distillation water pot 6.Final remaining fixed gas exports C discharge systems through fixed gas discharge line, enters
Absorption plant AS, final qualified discharge.
Leachate site stoste enters plate heat exchanger 3 by the stoste pipeline import A of stoste pipeline, with from distillation water pot 8
Distilled water by once exchange heat heating after enter vent condenser 2.Condensed water is used as in vent condenser 2, and from steaming
Condensed distilled water/stoste steam condensate of hair device main body 5 is once exchanged heat again, and (stoste temperature is cold less than cooling down at this time
The condensed distilled water from vaporizer body 5 after solidifying).Stoste by stoste pipeline after secondary temperature elevation by entering steaming
Send out the cavity of device main body 5.Stoste is pre-charged with before activation in the cavity of vaporizer body 5, and liquid level is no more than cavity cavity
Half.Leachate site stoste in vaporizer body 5 enters stoste pipeline via stoste outlet again.This part is connected to stoste discharge pipe
Road is detected before entering stoste discharge line by the original liquid concentration detector being arranged on pipeline.The stoste if concentration qualification
The check valve of discharge line is opened, and into stoste discharge line, MVC vapo(u)rization system S is discharged by stoste discharge line outlet D, make
For Leachate site concentrate, burned into incinerator.If Concentration Testing is unqualified, then closed check valve, part stoste is by raw liquor pump
By another stoste entrance of stoste pipeline blowback vaporizer body 5, another part is pumped into vaporizer body by stoste pipeline
5 spray equipment sprays cloth liquid into cavity from spray equipment.The stoste of sprinkling and the heat exchange in the cavity of vaporizer body 5
Pipe exchanges heat, and evaporation forms stoste steam, flows to the stoste steam (vapor) outlet of vaporizer body 5.
Stoste steam enters stoste steam pipework via the stoste steam (vapor) outlet of vaporizer body 5, by the road in detection
Device detects, such as ammonia-nitrogen content, pH value index are unqualified, then changeover valve opening flows to 7 one lateral line of acid elution tower, stoste steam
Pickling is carried out into acid elution tower 7, caustic scrubber 8 is entered back into and carries out alkali cleaning, enter steam via stoste steam pipework again later
Compressor 4.Compression heating is carried out by vapour compression machine 4, then by stoste steam pipework via the stoste steam of vaporizer body 5
Entrance enters heat exchanger tube, as thermal medium.Stoste steam at this time is via various dirts after 8 gas washing of acid elution tower 7 and caustic scrubber
It is qualified to contaminate object index, can be considered gas identical with the vapor that previous steam generator 1 generates.This portion gas is changing
Heat exchange condensation is carried out with the stoste for spraying cloth liquid subsequently in cavity in heat pipe, a condensed liquid part is directly entered distillation
Water pot 6, a part enter vent condenser 2, carry out the condensation that once exchanges heat, Zhi Houleng again with the stoste from plate heat exchanger 3
Solidifying liquid enters distillation water pot 6, and remaining few part on-condensible gas enters absorption plant via fixed gas discharge line outlet C
AS, final qualified discharge.Such as ammonia-nitrogen content, pH value qualified, then changeover valve opening flow to 4 one side pipe of vapour compression machine
Road, stoste steam enter vapour compression machine 4.Gas circuit later with it is above-mentioned completely the same, details are not described herein.
It is the condensation distilled water from vaporizer body 5 and vent condenser 2 collected to distill in water pot 6, wherein carrying
There is a small amount of on-condensible gas, this part on-condensible gas is by vapor pipeline via a steam entry of vaporizer body 5
Into vaporizer body 5, evaporative air is reentered.The distilled water collected in distillation water pot 6 enters plate by condensate line
Formula heat exchanger 3 exchanges heat with the stoste for entering plate heat exchanger 3, makes this part distilled water cooling, and increase into system
The temperature of stoste, later this part distilled water via distilled water discharge line outlet B discharge MVC vapo(u)rization systems S enter cooling dress
Set CS, final qualified discharge.
Pass through the narration of above-described embodiment, it is believed that those skilled in the art could be aware that the utility model in MVC by steaming
Acid elution tower 7 and caustic scrubber 8 are set in hair system S, soda acid gas washing processing is carried out to boil-off gas, effectively reduces discharge gas
With the ammonia-nitrogen content and COD value in condensed water, the pH value weakly acidic pH in water is adjusted.It TDS in the distilled water of system output and waves
The content of hair property organic matter is all very low, and clear water producing water ratio is high, and concentration output of fluid is few, and the clear water of discharge is used up to 90-95%
Its water outlet of MVC process Leachate site can be steady in a long-term the emission request for meeting new standard GB16889-2008.And it avoids
The a series of problems brought using amberplex, and can effectively reduce the processing cost of percolate.It is oozed by a series of
Liquid pre-treatment pond is dripped, the setting of anaerobic pond P1 is included, (especially anaerobic biochemical treatment) is pre-processed to Leachate site, makes entrance
The Leachate site impurity content of vapo(u)rization system is few, so as to reduce the fouling condition of heat exchange pipe of evaporator.In addition, this practicality is new
The leachate treatment system of type, primary a large amount of energy consumptions of steam generator when only starting only pump and detect everywhere later dress
The conventional energy consumption of low amounts operation energy consumption and compressor such as set.The temperature difference is much smaller compared with traditional evaporation technology, can reach low
Temperature evaporation, greatlys improve product quality.Also, the evaporation technology flow is essentially mechanically actuated, and Automatic Control is opened at any time
It shuts down, simple easily pipe, maintenance capacity is few, only needs standard machinery worker or electrician management.
It is some embodiments of garbage-leachate processing system provided by the present invention above, by the explanation of embodiment,
It is believed that those skilled in the art can understand technical scheme of the present invention and its operation principles.However it these are only that the present invention's is excellent
Embodiment is selected, not the present invention is limited.Those skilled in the art can be according to actual demand to technology provided by the present invention
Scheme is appropriately modified, and makes an amendment and equivalent transformation is all without departing from scope of the present invention.The present invention is wanted
The interest field for asking protection, when being subject to appended claims.
Claims (10)
1. a kind of garbage-leachate processing system of soda acid gas washing processing, which is characterized in that including
Anaerobic pond, flocculation basin, flotation tank, secondary sedimentation tank and MVC vapo(u)rization systems；
The MVC vapo(u)rization systems include：Steam generator, vent condenser, plate heat exchanger, vapour compression machine, evaporator master
Body, distillation water pot, acid elution tower and caustic scrubber；
Wherein, the anaerobic pond, flocculation basin, flotation tank, secondary sedimentation tank are sequentially connected by pipeline, to being oozed into the rubbish
The garbage leachate stoste for dripping liquid treating system carries out pre-treatment；The secondary sedimentation tank is evaporated by MVC described in piping connection
System；
The acid elution tower carries out pickling to the stoste steam of the vaporizer body treated garbage leachate stoste；
The caustic scrubber acid elution tower acid is washed after garbage leachate stoste stoste steam carry out alkali cleaning.
2. the garbage-leachate processing system of soda acid gas washing processing as described in claim 1, which is characterized in that the acid elution
Tower supplements vaporizer body described in pipeline connection by stoste steam, and shut-off valve and stoste vapor detector are provided on pipeline.
3. the garbage-leachate processing system of soda acid gas washing processing as claimed in claim 2, which is characterized in that the acid elution
It is provided with pickle ancillary equipment outside tower, pipeline connection is supplemented by pickle, pickling is provided on pickle supplement pipeline
Liquid meter and shut-off valve and stoste steam pump.
4. the garbage-leachate processing system of soda acid gas washing processing as described in claim 1, which is characterized in that the neutralizing treatment
Tower supplements vaporizer body described in pipeline connection by stoste steam, and shut-off valve and stoste vapor detector are provided on pipeline.
5. the garbage-leachate processing system of soda acid gas washing processing as claimed in claim 4, which is characterized in that the neutralizing treatment
It is provided with alkali wash water ancillary equipment outside tower, pipeline connection is supplemented by alkali wash water, alkali cleaning is provided on alkali wash water supplement pipeline
Liquid meter and shut-off valve and stoste steam pump.
6. the garbage-leachate processing system of soda acid gas washing processing as described in claim 1, which is characterized in that the rubbish oozes
Drip liquid treating system further include stoste discharge line, the stoste discharge line be provided with original liquid concentration detector, check valve and
Raw liquor pump controls the discharge of stoste or by being steamed described in stoste pipeline blowback by the original liquid concentration detected in stoste discharge line
Send out device main body.
7. the garbage-leachate processing system of soda acid gas washing processing as described in claim 1, which is characterized in that the MVC steams
In hair system：
The steam generator is connected to the vaporizer body；
The plate heat exchanger is connected to a distillation of the vent condenser, the distillation water pot and the MVC vapo(u)rization systems
Water outlet pipeline；
The vent condenser is connected to the vaporizer body, the distillation water pot；The vent condenser is also connected to the MVC
One fixed gas discharge line of vapo(u)rization system；
The vaporizer body is connected to the distillation water pot, the vapour compression machine and the acid elution tower；The evaporator master
Body is also connected to a stoste discharge line of the MVC vapo(u)rization systems；One of the vaporizer body is connected in outside by pipeline
Another portion of the vaporizer body itself is met, a circulation line is formed；
The acid elution tower is connected to the caustic scrubber；
The caustic scrubber is connected to the vapour compression machine and the vaporizer body.
8. the garbage-leachate processing system of soda acid gas washing processing as claimed in claim 7, which is characterized in that the evaporator
Main body includes the hot well, heat exchanger tube and spray equipment being arranged in cavity, and the vaporizer body is provided with stoste entrance, stoste
Outlet, steam entry, condensation-water drain, stoste steam inlet and stoste steam (vapor) outlet；
The stoste entrance is provided with multiple, one of stoste entrance connection vent condenser and the cavity, another
A stoste entrance is connected to by pipeline with the stoste outlet in the outside of the vaporizer body；
The stoste outlet is in the external spray equipment and stoste discharge line for being connected to the vaporizer body；
The steam entry is provided with multiple, one of steam entry connection steam generator and the cavity,
Another steam entry is connected to the distillation water pot and the cavity；
The condensation-water drain is provided with multiple, one of condensation-water drain connection vent condenser and the heat exchange
Pipe, another condensation-water drain are connected to the distillation water pot and the heat exchanger tube；
The stoste steam inlet is connected to the vapour compression machine and the heat exchanger tube；
The stoste steam (vapor) outlet is connected to the vapour compression machine and the acid elution tower.
9. the garbage-leachate processing system of soda acid gas washing processing as claimed in claim 8, which is characterized in that the stoste is steamed
Vapor outlet is connected to the pipeline of the vapour compression machine and the acid elution tower and is provided with stoste vapor detector and changeover valve, leads to
The stoste steam norm controlling stoste steam for crossing detection stoste steam (vapor) outlet discharge leads to the acid elution tower or the vapour pressure
Contracting machine.
10. the garbage-leachate processing system of soda acid gas washing processing as described in claim 1, which is characterized in that the MVC steams
The vaporizer body of hair system is falling film evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112759018A (en) * | 2020-12-07 | 2021-05-07 | 广东闻扬环境科技有限公司 | Waste water treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112759018A (en) * | 2020-12-07 | 2021-05-07 | 广东闻扬环境科技有限公司 | Waste water treatment device |
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