CN110526320A - A kind of aeration plate and gasification ash water Integrated Processing Unit and processing method using it - Google Patents
A kind of aeration plate and gasification ash water Integrated Processing Unit and processing method using it Download PDFInfo
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- CN110526320A CN110526320A CN201910912842.7A CN201910912842A CN110526320A CN 110526320 A CN110526320 A CN 110526320A CN 201910912842 A CN201910912842 A CN 201910912842A CN 110526320 A CN110526320 A CN 110526320A
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- ash water
- gasification ash
- aeration
- tank
- aeration plate
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 190
- 238000005273 aeration Methods 0.000 title claims abstract description 183
- 238000002309 gasification Methods 0.000 title claims abstract description 155
- 238000012545 processing Methods 0.000 title claims abstract description 35
- 238000003672 processing method Methods 0.000 title claims abstract description 19
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 73
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000010802 sludge Substances 0.000 claims abstract description 39
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 34
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 31
- 239000010865 sewage Substances 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 23
- 239000007790 solid phase Substances 0.000 claims abstract description 22
- 239000006228 supernatant Substances 0.000 claims abstract description 12
- 230000009615 deamination Effects 0.000 claims abstract description 11
- 238000006481 deamination reaction Methods 0.000 claims abstract description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 159
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 40
- 239000007789 gas Substances 0.000 claims description 40
- 238000006243 chemical reaction Methods 0.000 claims description 39
- 230000000694 effects Effects 0.000 claims description 23
- 230000008676 import Effects 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 229910021529 ammonia Inorganic materials 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 18
- 239000003513 alkali Substances 0.000 claims description 16
- 238000004380 ashing Methods 0.000 claims description 15
- 239000006071 cream Substances 0.000 claims description 13
- 239000007791 liquid phase Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 239000012071 phase Substances 0.000 claims description 7
- 239000002244 precipitate Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 230000003311 flocculating effect Effects 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 40
- 238000010586 diagram Methods 0.000 description 6
- 238000009421 internal insulation Methods 0.000 description 5
- 239000011575 calcium Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 description 2
- 229910000020 calcium bicarbonate Inorganic materials 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 239000010797 grey water Substances 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000320 mechanical mixture Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
Abstract
The invention belongs to a kind of aeration plate and use its gasification ash water Integrated Processing Unit and processing method, including gasification ash water slot and clarifying basin, gasification ash water slot is connected by lye premixing cell and deammonification tank with hard pond is removed, except the supernatant outlet on hard pond top is connected with clarifying basin；It is connected at the top of deammonification tank with torch assembly；Except hard pond top is connected with flocculant storage tank；Deammonification tank and it is connected with sludge treating block respectively except hard bottom of pond portion solid-phase outlet；Deammonification tank and except being connected between hard pond by connecting pipe；Deamination bottom of pond portion and except hard bottom of pond portion is respectively equipped with aeration plate, aeration plate is connected with compressed air reservoir inside deammonification tank, removes hard pond inside aeration plate and is connected with carbon dioxide storage tank；Have the advantages that process design rationally, can effectively remove 50% ammonia-nitrogen content in gasification ash water and 85% total hardness content, effectively slow down that gasification ash water system equipment and pipeline scaling, to reduce ash water system ammonia nitrogen accumulative and reduce sewage end loads.
Description
Technical field
The invention belongs to a kind of aeration plate and use its gasification ash water Integrated Processing Unit and processing method.
Background technique
Coal water slurry gasification buck is water of the Heisui River after multistage flash distillation, flocculation, clarification, wherein being rich in a large amount of Ca2+、 Mg2+；
In order to achieve the purpose that save water resource generally in such a way that gasification ash water recycles, but due to there is a large amount of Ca2+
And Mg2+, rear gasification ash water total hardness is recycled for multiple times and constantly increases, causes the fouling of equipment and pipeline and blocks to obtain risk
Increase, in order to improve the recycling time of gasification ash water, general enterprises are used by the way of a large amount of dirt dispersion agent is added
To maintain the stable operation of gasification ash water system；But such gasification ash water is there is the risk of fouling is larger, when long-time uses
Afterwards must outlet, such externally discharged waste water ammonia-nitrogen content and total hardness content higher easily blocking outlet pipeline while also increase
The load of sewage treatment terminal.
The conventional method for reducing the grey water hardness at present has: electric flocculation method, ion-exchange-resin process, lime method etc. all exist
Operation or the high defect of maintenance cost；In addition, ash water system ammonia nitrogen it is accumulative still will cause it is black/ash water system pH value increase,
The problem of equipment scalings such as shock chamber, heat exchanger；Therefore, gasification ash water system also needs to carry out ammonia simultaneously while removing and dropping turbid firmly
The removal of nitrogen can be only achieved the purpose for producing water reuse, system stable operation.
The mode of ammonia-nitrogen content is removed in ash water system at present are as follows: ash disposal is gone by stirring and aeration on the basis of except hard
Water ammonia-nitrogen content, but this method can only remove the ammonia-nitrogen content of 5%-10%, remove the low efficiency of ammonia-nitrogen content, can not solve it is black/
The problems such as equipment scalings such as the raising of ash water system pH value, shock chamber, heat exchanger；In addition, removing sewage in sewage treatment industry
The technique of ammonia nitrogen mainly has stripping process and alkali washing process, but is not suitable for since grey coolant-temperature gage only has 60-75 DEG C using stripping
Technique；And ash water system water is big, ammonia-nitrogen content 400-600mg/L, washes process requirement using buck and is specially arranged water scrubber, one
As be suitable for the transformation lime set deamination of ammonia-nitrogen content 5000-20000mg/L, buck washes technological equipment investment and operation expense
It is higher, it is not particularly suited for gasification ash water system.
Summary of the invention
The purpose of the present invention is to overcome the defects in the prior art, and provide a kind of process design rationally, can be effective
It removes 50% ammonia-nitrogen content and 85% total hardness content in gasification ash water, effectively slow down gasification ash water system equipment and pipeline knot
Dirt, reduction ash water system ammonia nitrogen are accumulative and reduce the aeration plate of sewage end loads and the gasification ash water integrated treatment using it
Device and processing method.
The object of the present invention is achieved like this:
A kind of aeration plate, the aeration plate include the main pipeline being connected with compressed gas, and main pipeline is connected with subtube, are in charge of
Road is connected with several laterals, and lateral is equipped with and is evenly equipped with several solarization air caps；The aeration plate is arranged anti-
Answer the interior bottom of container, the shape and reaction vessel of the outboard end composition of the outer profile of subtube or several laterals
Interior bottom be adapted；The corresponding lateral inner sidewall of the solarization air cap is equipped with strut, strut close to solarization air cap one
Side is equipped with the aeration elastic slice being obliquely installed, and one end that aeration elastic slice is connected with strut is arranged in the inside of lateral, is aerated bullet
The outside of lateral is arranged in the other end of piece, and the middle part shape for being aerated elastic slice is adapted with solarization air cap.
Preferably, the distance between interior bottom of the aeration plate and reaction vessel is 0.5-2m.
Preferably, the subtube be several, be connected respectively with main pipeline, the outer profile of several subtubes with
When the interior bottom of reaction vessel is adapted, the inside of subtube is arranged in several laterals.
Preferably, the subtube is several, is connected respectively with main pipeline, the outboard end of several laterals
The shape of portion's composition is with the interior bottom of reaction vessel when being adapted, the inside of several laterals respectively with the outside of subtube
It is connected.
Preferably, the solarization air cap is the circular hole of 8-10mm, the interval 10-15cm of adjacent solarization air cap.
Preferably, strut setting is in the middle part of the solarization air cap on corresponding lateral inner sidewall, the two sides point of strut
The aeration elastic slice being obliquely installed is not installed, the inside of lateral, aeration is arranged in one end that aeration elastic slice is connected with strut
The outside of lateral is arranged in the other end of elastic slice, is aerated the shape phase in the middle part shape region corresponding with solarization air cap of elastic slice
Adaptation.
A kind of gasification ash water Integrated Processing Unit, including gasification ash water slot and clarifying basin, the gasification ash water slot pass through alkali
Liquid premixing cell and deammonification tank are connected with hard pond is removed, except the supernatant outlet on hard pond top is connected with clarifying basin；The deammonification tank
Top be connected with torch assembly；The top except hard pond is connected with flocculant storage tank；The deammonification tank and remove hard bottom of pond
The solid-phase outlet in portion is connected with sludge treating block respectively；The middle part of the deammonification tank and except passing through connection between the middle part in hard pond
Pipeline is connected；The interior bottom of the deammonification tank and except the insole portion in hard pond is not equipped with above-mentioned aeration plate, inside deammonification tank
The main pipeline of aeration plate is connected with compressed air reservoir, except the main pipeline of aeration plate inside hard pond is connected with carbon dioxide storage tank.
Preferably, the lye premixing cell includes the pipe-line mixer being arranged between gasification ash water slot and deammonification tank,
First import of pipe-line mixer is connected with gasification ash water slot, and the second import of pipe-line mixer passes through lye pump and alkali liquor storage tank
It is connected, the outlet of pipe-line mixer is connected with deammonification tank.
Preferably, the sludge treating block includes pressure mud machine, and pressure mud machine is by sludge pump respectively with deammonification tank and except hard
The solid-phase outlet of bottom of pond portion is connected, and the solid-phase outlet of pressure mud machine is connected by paste pump with boiler furnace, and the liquid phase of pressure mud machine goes out
Mouth is connected with sewage terminal processing device.
A kind of processing method of gasification ash water Integrated Processing Unit, the processing method include the following steps:
Step 1: the gasification ash water from gasification ash water slot is entered in pipe-line mixer by the first import of pipe-line mixer, alkali
Lye in liquid storage tank is entered in pipe-line mixer by the second import of lye pump and pipe-line mixer；Gasification ash water and lye
Enter in deammonification tank after evenly mixing, gasification ash water and lye can make what the mineralized nitrogen in gasification ash water can remove to dissociate
Ammonia；The temperature of the gasification ash water are as follows: 60-75 DEG C, hardness are as follows: 1000-2000mg/L, ammonia-nitrogen content 400-600mg/L；It is described
Lye is the sodium hydroxide solution that concentration is 30%-32%；The flow that the sodium hydroxide solution enters in pipe-line mixer is
120-160L/h；The flow-rate ratio of gasification ash water and sodium hydroxide solution are as follows: 1m3:1.5-2L；Into the gasification ash in deammonification tank
The pH value of water mixed liquid are as follows: 10.5-11.5；
Step 2: after the gasification ash water mixed liquor in the step 1 enters deammonification tank, compressed air reservoir passes through main pipeline to exposure
Gas disk supplies compressed air, and compressed air is entered in deammonification tank by main pipeline, subtube, lateral and solarization air cap, and band
Out buck middle reaches from ammonia after be sent into torch assembly in burn；It can make gasification ash water by being passed through compressed air into deammonification tank
Ammonia-nitrogen content in mixed liquor is reduced to 150-250mg/L；
The compressed air pressure are as follows: 0.4-0.6Mpa, compressed air require are as follows: 210-400m3/h, the gentle ashing of compressed air
Flow-rate ratio between water mixed liquid is 4-6:1.2-1.5；
Described when being passed through compressed air in aeration plate, compressed air pushes aeration elastic slice mobile to the outside of lateral, makes
Compressed air enters in deammonification tank；When not being passed through compressed air in aeration plate, the gasification ash water mixed liquor in deammonification tank is pushed
It is mobile to the direction of lateral to be aerated elastic slice, makes the inside of aeration plate and the internal insulation of deammonification tank；Aeration in deammonification tank
The distance between bottom is 0.5-1m in disk and deammonification tank；
Step 3: gasification ash water mixed liquor in deammonification tank is entered by connecting pipe except in hard pond, by flocculant storage tank to removing
Flocculant PAC is added in hard pond, while making the compression carbon dioxide gas in carbon dioxide storage tank by main pipeline to except hard pond
In aeration plate supply compression carbon dioxide gas, compression carbon dioxide gas pass through main pipeline, subtube, lateral and exposure
Stomata enters except in hard pond；Carbon dioxide forms a large amount of HCO under alkaline environment3And CO3 2-, and present in gasification ash water
Ca2+And Mg2Infusible precipitate is formed, and carries out flocculating setting under flocculant PAC effect；The distance between interior bottom is 1-
2m；
Step 4: being entered in clarifying basin by the gasification ash water except hard pond by the supernatant outlet except hard pond top, in clarifying basin
Gasification ash water pH value be 7.8-8.5, hardness 100-300mg/L, ammonia-nitrogen content 150-250mg/L；
Step 5: deammonification tank and entering in sludge pump except the sludge of hard bottom of pond portion passes through its corresponding solid-phase outlet respectively, pass through
Sludge pump pressurization is crossed to send into pressure mud machine；It is sent into boiler furnace and is burnt by paste pump by the mud cream that pressure mud machine generates；Institute
State the water content of mud cream are as follows: 50%-60%；
Step 6: the sewage generated by pressure mud machine is sent into sewage terminal processing device by the liquid-phase outlet of pressure mud machine and is carried out
Advanced treating.
According to a kind of aeration plate made of above scheme and using its gasification ash water Integrated Processing Unit and processing method,
The subsequent removal of ammonia and nitrogen that is uniformly mixed into that can be realized lye and gasification ash water by the way that lye premixing cell is arranged is laid well
Basis, and have the characteristics that land occupation face is small, mixing efficiency is high and without power；Exposure can be effectively improved by the way that aeration plate is arranged
Gas efficiency and the characteristics of prevent gasification ash water and sludge blockage solarization air cap；Pass through the cooperation energy of lye premixing cell and aeration plate
Enough purposes for realizing 50% ammonia-nitrogen content in removal gasification ash water；In addition, removing hard pond by setting, and make except the exposure in hard pond
Gas disk can be realized in removal gasification ash water 85% total hardness content in conjunction with flocculant；Aeration plate in the present invention is by setting
Set subtube or lateral can be realized the maximization of aeration plate, and with the diameter of solarization air cap and adjacent solarization air cap interval
Setting can effectively improve aeration efficiency；It can be realized by setting aeration elastic slice and be aerated elastic slice when being passed through compressed gas certainly
It is dynamic to open, be aerated elastic slice when not being passed through compressed gas and be automatically closed, prevent gasification ash water and sludge enter lateral or
The situation of sludge blockage solarization air cap or lateral occurs；With process design rationally, can effectively remove 50% in gasification ash water
Ammonia-nitrogen content and 85% total hardness content, effectively slow down gasification ash water system equipment and pipeline scaling, reduce ash water system ammonia
The advantages of nitrogen is accumulative and reduces sewage end loads.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of aeration plate of the present invention.
Fig. 2 is another structural schematic diagram of aeration plate of the present invention.
Fig. 3 is solarization air cap of the present invention and the structural schematic diagram for being aerated elastic slice.
Fig. 4 is solarization air cap of the present invention and another structural schematic diagram for being aerated elastic slice.
Fig. 5 is structural schematic diagram when present invention aeration elastic slice is closed.
Fig. 6 is the structural schematic diagram of gasification ash water Integrated Processing Unit of the present invention.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment, identical label indicates identical component in the various figures.To make simplified form, in each figure only schematically
Ground indicates part relevant to invention, they do not represent its practical structures as product.
As shown in Figs. 1-5, the present invention is a kind of aeration plate and gasification ash water Integrated Processing Unit and processing side using it
Method, wherein aeration plate includes the main pipeline 1 being connected with compressed gas, and main pipeline 1 is connected with subtube 2, subtube 2 with
Several laterals 3 are connected, and lateral 3 is equipped with and is evenly equipped with several solarization air caps 4；The aeration plate setting is being reacted
The shape and reaction vessel of the outboard end composition of the interior bottom of container, the outer profile of subtube 2 or several laterals 3
Interior bottom be adapted；Corresponding 3 inner sidewall of lateral of the solarization air cap 4 is equipped with strut 5, and strut 5 is close to solarization air cap 4
Side be equipped with the aeration elastic slice 6 that is obliquely installed, one end that aeration elastic slice 6 is connected with strut 5 is arranged in lateral 3
The outside of lateral 3 is arranged in side, the other end of aeration elastic slice 6, and the middle part shape of aeration elastic slice 6 is adapted with solarization air cap 4.
When the outer profile of subtube 2 is adapted with the interior bottom of reaction vessel, the aeration plate be encirclement form, lateral 3 set with
The inside of above-mentioned encirclement form；When the shape and the interior bottom phase of reaction vessel that the outboard end of several laterals 3 forms
When adaptation, the aeration plate be it is open, subtube 2 set with it is internal, the outside of subtube 2 is arranged in several laterals 3, on
When stating purpose can be such that aeration plate is aerated, more gases can be made to mix with solution；Since the area of aeration plate covering is larger,
The defect that lateral 3 or solarization air cap 4 block occurs, easily inevitably when there is sediment in order to overcome this hair of the defect
The bright associated components for being provided with aeration elastic slice 6, when the side of solarization air cap 4 is arranged in aeration elastic slice 6, strut 5 can be with solarization air cap 4
The lateral 3 of edge is fixedly connected, and to achieve the purpose that make the fixation of strut 5 stronger, being aerated elastic slice 6 at this time is one
Piece, shape is consistent with the shape of solarization air cap 4, and area is not less than the area of solarization air cap 4.The aeration plate and reaction vessel
The distance between interior bottom is 0.5-2m.The distance between aeration plate and the interior bottom of reaction vessel are with solution in reaction vessel
Depending on the sediment of generation is how many, the position of the interior bottom of reaction vessel should be positioned close to as far as possible when sediment is less
It sets, should be arranged far from as far as possible on the position of interior bottom of reaction vessel when the sediment of generation is more；Work as aeration
Disk can make solution more and more effectively contact solution when being positioned close to the interior bottom of reaction vessel, when aeration plate is arranged
It can be avoided clogging deposits lateral 3 or solarization air cap 4 at the interior bottom far from reaction vessel.If the subtube 2 is
Dry, it is connected respectively with main pipeline 1, when the outer profile of several subtubes 2 is adapted with the interior bottom of reaction vessel, if
The inside of subtube 2 is arranged in dry lateral 3.The subtube 2 is several, is connected respectively with main pipeline 1, if
When the shape of the outboard end composition of dry lateral 3 is adapted with the interior bottom of reaction vessel, several laterals 3
Inside is connected with the outside of subtube 2 respectively.The solarization air cap 4 is the circular hole of 8-10mm, the interval of adjacent solarization air cap 4
10-15cm.Aeration efficiency can be effectively improved by above-mentioned setting.The setting of strut 5 is at 4 corresponding point of middle part of solarization air cap
On 3 inner sidewall of branch pipe(tube), the two sides of strut 5 are separately installed with the aeration elastic slice 6 being obliquely installed, and aeration elastic slice 6 is connected with strut 5
One end the inside of lateral 3 is set, the other end of aeration elastic slice 6 is arranged in the outside of lateral 3, is aerated elastic slice 6
The shape in middle part shape region corresponding with solarization air cap 4 be adapted.When strut 5 is arranged on the middle position of solarization air cap 4,
Aeration elastic slice 6 is two panels, and the shape for being aerated elastic slice 6 at this time is semicircle, is shaped to more agree with solarization air cap 4.
As shown in fig. 6, a kind of gasification ash water Integrated Processing Unit, including gasification ash water slot 7 and clarifying basin 12, the gasification
Ash water tank 7 is connected by lye premixing cell and deammonification tank 11 with hard pond 15 is removed, except hard 15 top of pond supernatant outlet with it is clear
Clear pond 12 is connected；The top of the deammonification tank 11 is connected with torch assembly 9；The top and flocculant storage tank 10 except hard pond 15
It is connected；The deammonification tank 11 and except the solid-phase outlet of hard 15 bottom of pond is connected with sludge treating block respectively；The deammonification tank
11 middle part and except between the middle part in hard pond 15 pass through connecting pipe 19 be connected；The interior bottom of the deammonification tank 11 and remove hard pond
15 insole portion is not equipped with above-mentioned aeration plate, and the main pipeline 1 of 11 inside aeration plate of deammonification tank is connected with compressed air reservoir 17,
Except the main pipeline 1 of hard 15 inside aeration plate of pond is connected with carbon dioxide storage tank 16.The lye premixing cell includes being arranged in gas
First import of the pipe-line mixer 8 between ashing sink 7 and deammonification tank 11, pipe-line mixer 8 is connected with gasification ash water slot 7,
Second import of pipe-line mixer 8 is connected by lye pump 14 with alkali liquor storage tank 13, the outlet and deammonification tank 11 of pipe-line mixer 8
It is connected.The sludge treating block includes pressure mud machine 21, and pressure mud machine 21 is by sludge pump 20 respectively with deammonification tank 11 and except hard pond
The solid-phase outlet of 15 bottoms is connected, and the solid-phase outlet of pressure mud machine 21 is connected by paste pump 22 with boiler furnace 23, presses mud machine 21
Liquid-phase outlet be connected with sewage terminal processing device 18.
A kind of processing method of gasification ash water Integrated Processing Unit, the processing method include the following steps:
Step 1: the gasification ash water from gasification ash water slot 7 enters pipe-line mixer 8 by the first import of pipe-line mixer 8
In, the lye in alkali liquor storage tank 13 is entered in pipe-line mixer 8 by the second import of lye pump 14 and pipe-line mixer 8；Gas
Ashing water and lye enter after evenly mixing in deammonification tank 11, and gasification ash water and lye can make the mineralized nitrogen in gasification ash water
For the free ammonia that can be removed；The temperature of the gasification ash water are as follows: 60-75 DEG C, hardness are as follows: 1000-2000mg/L, ammonia-nitrogen content
400-600mg/L；The lye is the sodium hydroxide solution that concentration is 30%-32%；It is mixed that the sodium hydroxide solution enters pipeline
Flow in clutch 8 is 120-160L/h；The flow-rate ratio of gasification ash water and sodium hydroxide solution are as follows: 1m3:1.5-2L；Into de-
The pH value of gasification ash water mixed liquor in ammonia pond 11 are as follows: 10.5-11.5；
Step 2: after the gasification ash water mixed liquor in the step 1 enters deammonification tank 11, compressed air reservoir 17 passes through main pipeline 1
Compressed air is supplied to aeration plate, compressed air enters deammonification tank by main pipeline 1, subtube 2, lateral 3 and solarization air cap 4
In 11, and burning in torch assembly 9 is sent into after taking the ammonia to dissociate in buck out of；By being passed through compressed air energy into deammonification tank 11
The ammonia-nitrogen content in gasification ash water mixed liquor is enough set to be reduced to 150-250mg/L；The compressed air pressure are as follows: 0.4-
0.6Mpa, compressed air require are as follows: 210-400m3/h, the flow-rate ratio between the gentle ashing water mixed liquid of compressed air are as follows: 4-6:
1.2-1.5；It is described when being passed through compressed air in aeration plate, compressed air push aeration outer sidesway of the elastic slice 6 to lateral 3
It is dynamic, it allows compressed air into deammonification tank 11；When not being passed through compressed air in aeration plate, the gasification ash water in deammonification tank 11 is mixed
Closing liquid pushes aeration elastic slice 6 mobile to the direction of lateral 3, makes the inside of aeration plate and the internal insulation of deammonification tank 11；It is de-
The distance between bottom is 0.5-1m in aeration plate and deammonification tank 11 in ammonia pond 11；
Step 3: the gasification ash water mixed liquor in deammonification tank 11 is entered by connecting pipe 19 to be removed in hard pond 15, is stored up by flocculant
Tank 10 makes the compression carbon dioxide gas in carbon dioxide storage tank 16 pass through master to except flocculant PAC is added in hard pond 15
Pipeline 1 passes through main pipeline 1, divides to the aeration plate supply compression carbon dioxide gas removed in hard pond 15, compression carbon dioxide gas
Pipeline 2, lateral 3 and solarization air cap 4 enter except in hard pond 15；Carbon dioxide forms a large amount of HCO under alkaline environment3With
CO3 2-, with Ca present in gasification ash water2+And Mg2Infusible precipitate is formed, and is flocculated under flocculant PAC effect
Sedimentation；The distance between interior bottom is 1-2m；
Step 4: entered in clarifying basin 12 by the gasification ash water except hard pond 15 by the supernatant outlet except hard 15 top of pond, it is clear
Gasification ash water pH value in clear pond 12 is 7.8-8.5, hardness 100-300mg/L, ammonia-nitrogen content 150-250mg/L；
Step 5: deammonification tank 11 and the sludge except hard 15 bottom of pond pass through its corresponding solid-phase outlet respectively and enter sludge pump
In 20, send by the pressurization of sludge pump 20 into pressure mud machine 21；Pot is sent by paste pump 22 by the mud cream that pressure mud machine 21 generates
It burns in furnace burner hearth 23；The water content of the mud cream are as follows: 50%-60%；
Step 6: the sewage generated by pressure mud machine 21 is sent into sewage terminal processing device 18 by the liquid-phase outlet of pressure mud machine 21
Middle carry out advanced treating.
For the more detailed explanation present invention, the present invention is further elaborated now in conjunction with embodiment.Specific embodiment
It is as follows:
Embodiment one
A kind of aeration plate includes the main pipeline 1 being connected with compressed gas, and main pipeline 1 is connected with subtube 2, subtube 2 with
Several laterals 3 are connected, and lateral 3 is equipped with and is evenly equipped with several solarization air caps 4；The aeration plate setting is being reacted
The shape and reaction vessel of the outboard end composition of the interior bottom of container, the outer profile of subtube 2 or several laterals 3
Interior bottom be adapted；Corresponding 3 inner sidewall of lateral of the solarization air cap 4 is equipped with strut 5, and strut 5 is close to solarization air cap 4
Side be equipped with the aeration elastic slice 6 that is obliquely installed, one end that aeration elastic slice 6 is connected with strut 5 is arranged in lateral 3
The outside of lateral 3 is arranged in side, the other end of aeration elastic slice 6, and the middle part shape of aeration elastic slice 6 is adapted with solarization air cap 4.
The distance between interior bottom of the aeration plate and reaction vessel is 0.5-2m.The solarization air cap 4 is the circular hole of 8-10mm, adjacent
Solarization air cap 4 interval 10-15cm.The setting of strut 5 is on corresponding 3 inner sidewall of lateral in 4 middle part of solarization air cap, branch
The two sides of bar 5 are separately installed with the aeration elastic slice 6 being obliquely installed, and one end that aeration elastic slice 6 is connected with strut 5 is arranged in branched pipe
The outside of lateral 3 is arranged in the other end of the inside in road 3, aeration elastic slice 6, is aerated the middle part shape and solarization air cap 4 of elastic slice 6
The shape in corresponding region is adapted.
A kind of gasification ash water Integrated Processing Unit, including gasification ash water slot 7 and clarifying basin 12, the gasification ash water slot 7 are logical
It crosses lye premixing cell and deammonification tank 11 and is connected with hard pond 15 is removed, except supernatant outlet and 12 phase of clarifying basin on hard 15 top of pond
Even；The top of the deammonification tank 11 is connected with torch assembly 9；The top except hard pond 15 is connected with flocculant storage tank 10；
The deammonification tank 11 and except the solid-phase outlet of hard 15 bottom of pond is connected with sludge treating block respectively；The middle part of the deammonification tank 11
And it is connected except connecting pipe 19 is passed through between the middle part in hard pond 15；The interior bottom of the deammonification tank 11 and interior bottom except hard pond 15
Portion is respectively equipped with above-mentioned aeration plate, and the main pipeline 1 of 11 inside aeration plate of deammonification tank is connected with compressed air reservoir 17, removes hard pond 15
The main pipeline 1 of internal aeration plate is connected with carbon dioxide storage tank 16.The lye premixing cell includes being arranged in gasification ash water slot 7
First import of the pipe-line mixer 8 between deammonification tank 11, pipe-line mixer 8 is connected with gasification ash water slot 7, pipe-line mixer
8 the second import is connected by lye pump 14 with alkali liquor storage tank 13, and the outlet of pipe-line mixer 8 is connected with deammonification tank 11.It is described
Sludge treating block include pressure mud machine 21, pressure mud machine 21 by sludge pump 20 respectively with deammonification tank 11 and consolidating except hard 15 bottom of pond
It mutually exports and is connected, the solid-phase outlet of pressure mud machine 21 is connected by paste pump 22 with boiler furnace 23, and the liquid-phase outlet of mud machine 21 is pressed
It is connected with sewage terminal processing device 18.
A kind of processing method of gasification ash water Integrated Processing Unit, the processing method include the following steps:
Step 1: the gasification ash water from gasification ash water slot 7 enters pipe-line mixer 8 by the first import of pipe-line mixer 8
In, the lye in alkali liquor storage tank 13 is entered in pipe-line mixer 8 by the second import of lye pump 14 and pipe-line mixer 8；Gas
Ashing water and lye enter after evenly mixing in deammonification tank 11, and gasification ash water and lye can make the mineralized nitrogen in gasification ash water
For the free ammonia that can be removed；The temperature of the gasification ash water are as follows: 60 DEG C, hardness are as follows: 1000mg/L, ammonia-nitrogen content 400mg/L；Institute
Stating lye is the sodium hydroxide solution that concentration is 30%；The flow that the sodium hydroxide solution enters in pipe-line mixer 8 is
120L/h；The flow-rate ratio of gasification ash water and sodium hydroxide solution are as follows: 1m3:1.5L；It is mixed into the gasification ash water in deammonification tank 11
Close the pH value of liquid are as follows: 10.5；
Step 2: after the gasification ash water mixed liquor in the step 1 enters deammonification tank 11, compressed air reservoir 17 passes through main pipeline 1
Compressed air is supplied to aeration plate, compressed air enters deammonification tank by main pipeline 1, subtube 2, lateral 3 and solarization air cap 4
In 11, and burning in torch assembly 9 is sent into after taking the ammonia to dissociate in buck out of；By being passed through compressed air energy into deammonification tank 11
The ammonia-nitrogen content in gasification ash water mixed liquor is enough set to be reduced to 150mg/L；The compressed air pressure are as follows: 0.4Mpa, compression are empty
Throughput are as follows: 210m3/h, the flow-rate ratio between the gentle ashing water mixed liquid of compressed air are as follows: 4:1.2；It is described to work as in aeration plate
When being passed through compressed air, compressed air pushes aeration elastic slice 6 mobile to the outside of lateral 3, allows compressed air into deamination
In pond 11；When not being passed through compressed air in aeration plate, gasification ash water mixed liquor in deammonification tank 11 push aeration elastic slice 6 to point
The direction of branch pipe(tube) 3 is mobile, makes the inside of aeration plate and the internal insulation of deammonification tank 11；Aeration plate and deamination in deammonification tank 11
The distance between bottom is 0.5-1m in pond 11；
Step 3: the gasification ash water mixed liquor in deammonification tank 11 is entered by connecting pipe 19 to be removed in hard pond 15, is stored up by flocculant
Tank 10 makes the compression carbon dioxide gas in carbon dioxide storage tank 16 pass through master to except flocculant PAC is added in hard pond 15
Pipeline 1 passes through main pipeline 1, divides to the aeration plate supply compression carbon dioxide gas removed in hard pond 15, compression carbon dioxide gas
Pipeline 2, lateral 3 and solarization air cap 4 enter except in hard pond 15；Carbon dioxide forms a large amount of HCO under alkaline environment3With
CO3 2-, with Ca present in gasification ash water2+And Mg2Infusible precipitate is formed, and is flocculated under flocculant PAC effect
Sedimentation；The distance between interior bottom is 1-2m；
Step 4: entered in clarifying basin 12 by the gasification ash water except hard pond 15 by the supernatant outlet except hard 15 top of pond, it is clear
Gasification ash water pH value in clear pond 12 is 7.8, hardness 100mg/L, ammonia-nitrogen content 150mg/L；
Step 5: deammonification tank 11 and the sludge except hard 15 bottom of pond pass through its corresponding solid-phase outlet respectively and enter sludge pump
In 20, send by the pressurization of sludge pump 20 into pressure mud machine 21；Pot is sent by paste pump 22 by the mud cream that pressure mud machine 21 generates
It burns in furnace burner hearth 23；The water content of the mud cream are as follows: 50%；
Step 6: the sewage generated by pressure mud machine 21 is sent into sewage terminal processing device 18 by the liquid-phase outlet of pressure mud machine 21
Middle carry out advanced treating.
Embodiment two
A kind of aeration plate and gasification ash water Integrated Processing Unit and processing method using it, wherein aeration plate includes and compression
The main pipeline 1 that gas is connected, main pipeline 1 are connected with subtube 2, and subtube 2 is connected with several laterals 3, point
Branch pipe(tube) 3 is equipped with and is evenly equipped with several solarization air caps 4；The interior bottom of reaction vessel is arranged in the aeration plate, subtube 2
The shape of the outboard end of outer profile or several laterals 3 composition is adapted with the interior bottom of reaction vessel；The aeration
Corresponding 3 inner sidewall of lateral in hole 4 is equipped with strut 5, and strut 5 is equipped with the exposure being obliquely installed close to the side of solarization air cap 4
The inside of lateral 3, the other end setting of aeration elastic slice 6 is arranged in gas elastic slice 6, one end that aeration elastic slice 6 is connected with strut 5
In the outside of lateral 3, the middle part shape for being aerated elastic slice 6 is adapted with solarization air cap 4.The aeration plate and reaction vessel it is interior
The distance between bottom is 0.5-2m.The subtube 2 is several, is connected respectively with main pipeline 1, several branched pipes
The shape of the outboard end composition in road 3 is with the interior bottom of reaction vessel when being adapted, the inside of several laterals 3 respectively with
The outside of subtube 2 is connected.The solarization air cap 4 is the circular hole of 8-10mm, the interval 10-15cm of adjacent solarization air cap 4.It is described
On corresponding 3 inner sidewall of lateral in 4 middle part of solarization air cap, the two sides of strut 5 are separately installed with to be obliquely installed the setting of strut 5
Aeration elastic slice 6, the inside of lateral 3, the other end of aeration elastic slice 6 is arranged in one end for being connected with strut 5 of aeration elastic slice 6
The outside of lateral 3 is set, and the shape for being aerated the middle part shape region corresponding with solarization air cap 4 of elastic slice 6 is adapted.
A kind of gasification ash water Integrated Processing Unit, including gasification ash water slot 7 and clarifying basin 12, the gasification ash water slot 7 are logical
It crosses lye premixing cell and deammonification tank 11 and is connected with hard pond 15 is removed, except supernatant outlet and 12 phase of clarifying basin on hard 15 top of pond
Even；The top of the deammonification tank 11 is connected with torch assembly 9；The top except hard pond 15 is connected with flocculant storage tank 10；
The deammonification tank 11 and except the solid-phase outlet of hard 15 bottom of pond is connected with sludge treating block respectively；The middle part of the deammonification tank 11
And it is connected except connecting pipe 19 is passed through between the middle part in hard pond 15；The interior bottom of the deammonification tank 11 and interior bottom except hard pond 15
Portion is respectively equipped with above-mentioned aeration plate, and the main pipeline 1 of 11 inside aeration plate of deammonification tank is connected with compressed air reservoir 17, removes hard pond 15
The main pipeline 1 of internal aeration plate is connected with carbon dioxide storage tank 16.The lye premixing cell includes being arranged in gasification ash water slot 7
First import of the pipe-line mixer 8 between deammonification tank 11, pipe-line mixer 8 is connected with gasification ash water slot 7, pipe-line mixer
8 the second import is connected by lye pump 14 with alkali liquor storage tank 13, and the outlet of pipe-line mixer 8 is connected with deammonification tank 11.It is described
Sludge treating block include pressure mud machine 21, pressure mud machine 21 by sludge pump 20 respectively with deammonification tank 11 and consolidating except hard 15 bottom of pond
It mutually exports and is connected, the solid-phase outlet of pressure mud machine 21 is connected by paste pump 22 with boiler furnace 23, and the liquid-phase outlet of mud machine 21 is pressed
It is connected with sewage terminal processing device 18.
A kind of processing method of gasification ash water Integrated Processing Unit, the processing method include the following steps:
Step 1: the gasification ash water from gasification ash water slot 7 enters pipe-line mixer 8 by the first import of pipe-line mixer 8
In, the lye in alkali liquor storage tank 13 is entered in pipe-line mixer 8 by the second import of lye pump 14 and pipe-line mixer 8；Gas
Ashing water and lye enter after evenly mixing in deammonification tank 11, and gasification ash water and lye can make the mineralized nitrogen in gasification ash water
For the free ammonia that can be removed；The temperature of the gasification ash water are as follows: 75 DEG C, hardness are as follows: 2000mg/L, ammonia-nitrogen content 600mg/L；Institute
Stating lye is the sodium hydroxide solution that concentration is 32%；The flow that the sodium hydroxide solution enters in pipe-line mixer 8 is
160L/h；The flow-rate ratio of gasification ash water and sodium hydroxide solution are as follows: 1m3:2L；Into the gasification ash water mixing in deammonification tank 11
The pH value of liquid are as follows: 11.5；
Step 2: after the gasification ash water mixed liquor in the step 1 enters deammonification tank 11, compressed air reservoir 17 passes through main pipeline 1
Compressed air is supplied to aeration plate, compressed air enters deammonification tank by main pipeline 1, subtube 2, lateral 3 and solarization air cap 4
In 11, and burning in torch assembly 9 is sent into after taking the ammonia to dissociate in buck out of；By being passed through compressed air energy into deammonification tank 11
The ammonia-nitrogen content in gasification ash water mixed liquor is enough set to be reduced to 250mg/L；The compressed air pressure are as follows: 0.6Mpa, compression are empty
Throughput are as follows: 400m3/h, the flow-rate ratio between the gentle ashing water mixed liquid of compressed air are as follows: 6:1.5；It is described to work as in aeration plate
When being passed through compressed air, compressed air pushes aeration elastic slice 6 mobile to the outside of lateral 3, allows compressed air into deamination
In pond 11；When not being passed through compressed air in aeration plate, gasification ash water mixed liquor in deammonification tank 11 push aeration elastic slice 6 to point
The direction of branch pipe(tube) 3 is mobile, makes the inside of aeration plate and the internal insulation of deammonification tank 11；Aeration plate and deamination in deammonification tank 11
The distance between bottom is 0.5-1m in pond 11；
Step 3: the gasification ash water mixed liquor in deammonification tank 11 is entered by connecting pipe 19 to be removed in hard pond 15, is stored up by flocculant
Tank 10 makes the compression carbon dioxide gas in carbon dioxide storage tank 16 pass through master to except flocculant PAC is added in hard pond 15
Pipeline 1 passes through main pipeline 1, divides to the aeration plate supply compression carbon dioxide gas removed in hard pond 15, compression carbon dioxide gas
Pipeline 2, lateral 3 and solarization air cap 4 enter except in hard pond 15；Carbon dioxide forms a large amount of HCO under alkaline environment3With
CO3 2-, with Ca present in gasification ash water2+And Mg2Infusible precipitate is formed, and is flocculated under flocculant PAC effect
Sedimentation；The distance between interior bottom is 1-2m；
Step 4: entered in clarifying basin 12 by the gasification ash water except hard pond 15 by the supernatant outlet except hard 15 top of pond, it is clear
Gasification ash water pH value in clear pond 12 is 8.5, hardness 300mg/L, ammonia-nitrogen content 250mg/L；
Step 5: deammonification tank 11 and the sludge except hard 15 bottom of pond pass through its corresponding solid-phase outlet respectively and enter sludge pump
In 20, send by the pressurization of sludge pump 20 into pressure mud machine 21；Pot is sent by paste pump 22 by the mud cream that pressure mud machine 21 generates
It burns in furnace burner hearth 23；The water content of the mud cream are as follows: 60%；
Step 6: the sewage generated by pressure mud machine 21 is sent into sewage terminal processing device 18 by the liquid-phase outlet of pressure mud machine 21
Middle carry out advanced treating.
Embodiment three
A kind of aeration plate and gasification ash water Integrated Processing Unit and processing method using it, wherein aeration plate includes and compression
The main pipeline 1 that gas is connected, main pipeline 1 are connected with subtube 2, and subtube 2 is connected with several laterals 3, point
Branch pipe(tube) 3 is equipped with and is evenly equipped with several solarization air caps 4；The interior bottom of reaction vessel is arranged in the aeration plate, subtube 2
The shape of the outboard end of outer profile or several laterals 3 composition is adapted with the interior bottom of reaction vessel；The aeration
Corresponding 3 inner sidewall of lateral in hole 4 is equipped with strut 5, and strut 5 is equipped with the exposure being obliquely installed close to the side of solarization air cap 4
The inside of lateral 3, the other end setting of aeration elastic slice 6 is arranged in gas elastic slice 6, one end that aeration elastic slice 6 is connected with strut 5
In the outside of lateral 3, the middle part shape for being aerated elastic slice 6 is adapted with solarization air cap 4.The aeration plate and reaction vessel it is interior
The distance between bottom is 0.5-2m.The subtube 2 is several, is connected respectively with main pipeline 1, several subtubes
When 2 outer profile is adapted with the interior bottom of reaction vessel, the inside of subtube 2 is arranged in several laterals 3.The exposure
Stomata 4 is the circular hole of 8-10mm, the interval 10-15cm of adjacent solarization air cap 4.The setting of strut 5 is opposite at 4 middle part of solarization air cap
On 3 inner sidewall of lateral answered, the two sides of strut 5 are separately installed with the aeration elastic slice 6 being obliquely installed, aeration elastic slice 6 and branch
The inside of lateral 3 is arranged in the connected one end of bar 5, and the other end of aeration elastic slice 6 is arranged in the outside of lateral 3, exposes
The shape in the middle part shape of gas elastic slice 6 region corresponding with solarization air cap 4 is adapted.
A kind of gasification ash water Integrated Processing Unit, including gasification ash water slot 7 and clarifying basin 12, the gasification ash water slot 7 are logical
It crosses lye premixing cell and deammonification tank 11 and is connected with hard pond 15 is removed, except supernatant outlet and 12 phase of clarifying basin on hard 15 top of pond
Even；The top of the deammonification tank 11 is connected with torch assembly 9；The top except hard pond 15 is connected with flocculant storage tank 10；
The deammonification tank 11 and except the solid-phase outlet of hard 15 bottom of pond is connected with sludge treating block respectively；The middle part of the deammonification tank 11
And it is connected except connecting pipe 19 is passed through between the middle part in hard pond 15；The interior bottom of the deammonification tank 11 and interior bottom except hard pond 15
Portion is respectively equipped with above-mentioned aeration plate, and the main pipeline 1 of 11 inside aeration plate of deammonification tank is connected with compressed air reservoir 17, removes hard pond 15
The main pipeline 1 of internal aeration plate is connected with carbon dioxide storage tank 16.The lye premixing cell includes being arranged in gasification ash water slot 7
First import of the pipe-line mixer 8 between deammonification tank 11, pipe-line mixer 8 is connected with gasification ash water slot 7, pipe-line mixer
8 the second import is connected by lye pump 14 with alkali liquor storage tank 13, and the outlet of pipe-line mixer 8 is connected with deammonification tank 11.It is described
Sludge treating block include pressure mud machine 21, pressure mud machine 21 by sludge pump 20 respectively with deammonification tank 11 and consolidating except hard 15 bottom of pond
It mutually exports and is connected, the solid-phase outlet of pressure mud machine 21 is connected by paste pump 22 with boiler furnace 23, and the liquid-phase outlet of mud machine 21 is pressed
It is connected with sewage terminal processing device 18.
A kind of processing method of gasification ash water Integrated Processing Unit, the processing method include the following steps:
Step 1: the gasification ash water from gasification ash water slot 7 enters pipe-line mixer 8 by the first import of pipe-line mixer 8
In, the lye in alkali liquor storage tank 13 is entered in pipe-line mixer 8 by the second import of lye pump 14 and pipe-line mixer 8；Gas
Ashing water and lye enter after evenly mixing in deammonification tank 11, and gasification ash water and lye can make the mineralized nitrogen in gasification ash water
For the free ammonia that can be removed；The temperature of the gasification ash water are as follows: 67.5 DEG C, hardness are as follows: 1500mg/L, ammonia-nitrogen content 500mg/L；
The lye is the sodium hydroxide solution that concentration is 30%-32%；The sodium hydroxide solution enters the flow in pipe-line mixer 8
For 140L/h；The flow-rate ratio of gasification ash water and sodium hydroxide solution are as follows: 1m3:1.75L；Gasification ash water into deammonification tank 11
The pH value of mixed liquor are as follows: 11；
Step 2: after the gasification ash water mixed liquor in the step 1 enters deammonification tank 11, compressed air reservoir 17 passes through main pipeline 1
Compressed air is supplied to aeration plate, compressed air enters deammonification tank by main pipeline 1, subtube 2, lateral 3 and solarization air cap 4
In 11, and burning in torch assembly 9 is sent into after taking the ammonia to dissociate in buck out of；By being passed through compressed air energy into deammonification tank 11
The ammonia-nitrogen content in gasification ash water mixed liquor is enough set to be reduced to 200mg/L；The compressed air pressure are as follows: 0.5Mpa, compression are empty
Throughput are as follows: 305m3/h, the flow-rate ratio between the gentle ashing water mixed liquid of compressed air are as follows: 5:1.35；It is described to work as in aeration plate
When being passed through compressed air, compressed air pushes aeration elastic slice 6 mobile to the outside of lateral 3, allows compressed air into deamination
In pond 11；When not being passed through compressed air in aeration plate, gasification ash water mixed liquor in deammonification tank 11 push aeration elastic slice 6 to point
The direction of branch pipe(tube) 3 is mobile, makes the inside of aeration plate and the internal insulation of deammonification tank 11；Aeration plate and deamination in deammonification tank 11
The distance between bottom is 0.5-1m in pond 11；
Step 3: the gasification ash water mixed liquor in deammonification tank 11 is entered by connecting pipe 19 to be removed in hard pond 15, is stored up by flocculant
Tank 10 makes the compression carbon dioxide gas in carbon dioxide storage tank 16 pass through master to except flocculant PAC is added in hard pond 15
Pipeline 1 passes through main pipeline 1, divides to the aeration plate supply compression carbon dioxide gas removed in hard pond 15, compression carbon dioxide gas
Pipeline 2, lateral 3 and solarization air cap 4 enter except in hard pond 15；Carbon dioxide forms a large amount of HCO under alkaline environment3With
CO3 2-, with Ca present in gasification ash water2+And Mg2Infusible precipitate is formed, and is flocculated under flocculant PAC effect
Sedimentation；The distance between interior bottom is 1-2m；
Step 4: entered in clarifying basin 12 by the gasification ash water except hard pond 15 by the supernatant outlet except hard 15 top of pond, it is clear
Gasification ash water pH value in clear pond 12 is 8.2, hardness 200mg/L, ammonia-nitrogen content 200mg/L；
Step 5: deammonification tank 11 and the sludge except hard 15 bottom of pond pass through its corresponding solid-phase outlet respectively and enter sludge pump
In 20, send by the pressurization of sludge pump 20 into pressure mud machine 21；Pot is sent by paste pump 22 by the mud cream that pressure mud machine 21 generates
It burns in furnace burner hearth 23；The water content of the mud cream are as follows: 55%；
Step 6: the sewage generated by pressure mud machine 21 is sent into sewage terminal processing device 18 by the liquid-phase outlet of pressure mud machine 21
Middle carry out advanced treating.
Experimental example
Implementation two is randomly selected as of the invention first of the present invention group.
Comparative example one: being not provided with lye premixing cell, and alkali liquor storage tank 13 is directly connected with deammonification tank 11, other setting and
Process and embodiment two are consistent.
Comparative example two: being replaced with agitator tank for pipe-line mixer 8, and lye and gasification ash water enter agitator tank mixing,
Incorporation time is to be sent into deammonification tank 11 after 15 minutes under working temperature, other settings and process and embodiment two are unanimously.
Comparative example three: the flow-rate ratio in step 2 between the gentle ashing water mixed liquid of compressed air are as follows: 4.8:1.7；Other
Setting and process and embodiment two are consistent.
Comparative example four: the flow-rate ratio in step 2 between the gentle ashing water mixed liquid of compressed air are as follows: 6:2；Other settings
And process and embodiment two are unanimously.
Comparative example five: the flow-rate ratio in step 2 between the gentle ashing water mixed liquid of compressed air are as follows: 2.5:1；Other set
It sets and process is consistent with embodiment two.
Comparative example six: the flow-rate ratio in step 2 between the gentle ashing water mixed liquid of compressed air are as follows: 3:1.5；Other set
It sets and process is consistent with embodiment two.
Comparative example seven: the circular hole that the solarization air cap 4 in the deammonification tank 11 is 7mm, the interval 16cm of adjacent solarization air cap 4；
Other settings and process and embodiment two are consistent.
Comparative example eight: the circular hole that the solarization air cap 4 in the deammonification tank 11 is 11mm, the interval 9cm of adjacent solarization air cap 4；
Other settings and process and embodiment two are consistent.
Comparative example nine: the circular hole that the solarization air cap 4 in the deammonification tank 11 is 10mm, the interval 18cm of adjacent solarization air cap 4；
Other settings and process and embodiment two are consistent.
Comparative example ten: the interior bottom of reaction vessel is arranged in the aeration plate in deammonification tank 11, and 2 length of subtube is embodiment
The one third of two subtubes, 2 length, 3 length of lateral are the half of two subtube of embodiment, 3 length；Other settings
And process and embodiment two are unanimously.
Comparative example 11: the interior bottom of reaction vessel is arranged in the aeration plate in deammonification tank 11, and 2 length of subtube is to implement
The half of two subtube of example, 2 length, 3 length of lateral are that two subtube of embodiment, 3 length are consistent；Other setting and
Process and embodiment two are consistent.
By it is above-mentioned first the present invention group with comparative example 1-11 carry out removing ammonia content comparison it is found that embodiment two effect
Fruit is better than comparative example 1-11；Referring specifically to following table:
| Former ammonia-nitrogen content | Existing ammonia-nitrogen content | The analysis of causes | |
| First of the present invention group | 600mg/L | 250mg/L | |
| Comparative example one | 600mg/L | 542 mg/L | Lye and buck mixing are uneven, and local meta-alkalescence buck removes part ammonia nitrogen |
| Comparative example two | 600mg/L | 285 mg/L | Lye and buck mechanical mixture are uniform, except hard effect is close to first of the present invention group |
| Comparative example three | 600mg/L | 298 mg/L | Compressed air require is small, and the air capacity in unit time and area reduces |
| Comparative example four | 600mg/L | 324 mg/L | Compressed air require is small, and aeration effect reduces |
| Comparative example five | 600mg/L | 413 mg/L | Compressed air require is small, and aeration effect reduces |
| Comparative example six | 600mg/L | 502 mg/L | Compressed air require is small, and aeration immixture substantially reduces, and takes ammonia-nitrogen content reduction out of |
| Comparative example seven | 600mg/L | 283 mg/L | Solarization air cap is slightly smaller but aeration arrangement spacing is big, and aeration covering is not uniform enough, and ammonia nitrogen removal effect is caused to reduce |
| Comparative example eight | 600mg/L | 268 mg/L | Solarization air cap is slightly larger, and aeration flow velocity reduces, and aeration elastic slice water conservancy diversion gas distribution effect is weakened |
| Comparative example nine | 600mg/L | 277 mg/L | The setting of solarization air cap interval is larger, and air-flow is not achieved and liquidates the effect broken up |
| Comparative example ten | 600mg/L | 425 mg/L | Aeration plate setting is smaller, and deammonification tank centre aeration, peripheral region is without aeration and deamination effect |
| Comparative example 11 | 600mg/L | 366 mg/L | Aeration plate setting is slightly smaller, and deammonification tank can not be completely covered in aeration area, though regional area is in alkalinity without air removal of ammonia and nitrogen |
It summarizes: by the comparison of the first present invention group and comparative example 1-11 it is found that pipe-line mixer 8 can as lye premixing cell
Buck and lye are uniformly distributed, and better deamination effect is reached by deammonification tank.The flow of preferred compressed air and buck
Than are as follows: 4-6:1.2-1.5, compressed air require reduction can reduce aeration effect, so that buck ammonia-nitrogen content increases.Aeration plate,
The reasonable setting of solarization air cap, solarization air cap interval can achieve better water conservancy diversion gas distribution effect.
Experimental example 2
It chooses and implements three as of the invention second of the present invention group.
Comparative example one: it is described except hard pond 15 setting blender substitute carbon dioxide aeration plate, other setting and process with
Embodiment three is consistent.
Comparative example two: the circular hole that the solarization air cap 4 except in hard pond 15 is 10mm, the interval 20cm of adjacent solarization air cap 4；
Other settings and process and embodiment three are consistent.
Comparative example three: the circular hole that the solarization air cap 4 except in hard pond 15 is 5mm, the interval 12cm of adjacent solarization air cap 4；
Other settings and process and embodiment three are consistent.
Comparative example four: except the interior bottom of reaction vessel is arranged in the aeration plate in hard pond 15,2 length of subtube is embodiment
The half of three subtubes, 2 length, 3 length of lateral are that three subtube of embodiment, 3 length are consistent；Other settings and stream
Journey and embodiment three are consistent.
Comparative example five: clarifying basin buck pH is 7.4 in step 4, other settings and process and embodiment three are unanimously.
Comparative example six: clarifying basin buck pH is 9.0 in step 4, other settings and process and embodiment three are unanimously.
By it is above-mentioned second the present invention group with comparative example 1-6 carry out removing ammonia content comparison it is found that embodiment three effect
Fruit is better than comparative example 1-6；Referring specifically to following table:
| Former hardness content | Existing hardness content | The analysis of causes | |
| Second of the present invention group | 1500mg/L | 200mg/L | |
| Comparative example one | 1500mg/L | 1382 mg/L | Without carbon dioxide, grey aqueous systems CO3 2-It is not able to satisfy hardness removal |
| Comparative example two | 1500mg/L | 502 mg/L | It is larger to be aerated interval, reaction is uneven, and part nothing removes hard effect |
| Comparative example three | 1500mg/L | 498 mg/L | Solarization air cap setting is smaller, and aeration area coverage reduces, except reacting insufficient firmly |
| Comparative example four | 1500mg/L | 665 mg/L | Aeration plate setting is smaller, and except hard pond centre is aerated, peripheral region is without aeration and removes hard effect |
| Comparative example five | 1500mg/L | 956 mg/L | PH control is lower, and aeration is in neutrality, generating portion calcium bicarbonate |
| Comparative example six | 1500mg/L | 477 mg/L | PH controls higher, stronger, the residual fraction OH of alkalinity after aeration-It has neither part nor lot in except hard reaction |
Summarize: by the comparison of the second present invention group and comparative example 1-6, carbon dioxide aerator is aerated shape, solarization air cap etc.
It will affect aeration effect, to influence to remove hard effect.The pH value control of aeration reaction influences to remove hard reaction process, in the present invention
It is required that section 7.8-8.5 is most suitable pH value section, rise lower than this section generating portion calcium bicarbonate hardness, is higher than this area
Between except hard reaction not exclusively, hardness reduces limited.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connection ",
" connected " etc. shall be understood in a broad sense, for example, it may be being fixedly connected, is integrally connected, may be a detachable connection；It can also
To be the connection inside two elements；It can be directly connected, it can also indirectly connected through an intermediary, for this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.Example above
Only for illustrating for feasible embodiment of the invention, the protection scope that they are not intended to limit the invention,
It is all to should be included in protection scope of the present invention without departing from equivalent implementations, change made by technical spirit of the present invention and transformation
Within.
Claims (10)
1. a kind of aeration plate, it is characterised in that: the aeration plate includes the main pipeline (1) being connected with compressed gas, main pipeline (1)
It is connected with subtube (2), subtube (2) is connected with several laterals (3), and lateral (3) is equipped with and is evenly equipped with
Several solarization air caps (4)；
The aeration plate is arranged in the interior bottom of reaction vessel, the outer profile of subtube (2) or several laterals (3)
The shape of outboard end composition is adapted with the interior bottom of reaction vessel；
Corresponding lateral (3) inner sidewall of the solarization air cap (4) is equipped with strut (5), and strut (5) is close to solarization air cap (4)
Side be equipped with the aeration elastic slice (6) that is obliquely installed, one end setting that aeration elastic slice (6) is connected with strut (5) is in lateral
(3) inside, the other end setting of aeration elastic slice (6) in the outside of lateral (3), be aerated the middle part shape of elastic slice (6) with
Solarization air cap (4) is adapted.
2. a kind of aeration plate according to claim 1, it is characterised in that: the interior bottom of the aeration plate and reaction vessel it
Between distance be 0.5-2m.
3. a kind of aeration plate according to claim 1, it is characterised in that: the subtube (2) be several, respectively with
Main pipeline (1) is connected, when the outer profile of several subtubes (2) is adapted with the interior bottom of reaction vessel, several branches
Pipeline (3) is arranged in the inside of subtube (2).
4. a kind of aeration plate according to claim 1, it is characterised in that: the subtube (2) be several, respectively with
Main pipeline (1) is connected, and the shape of the outboard end composition of several laterals (3) is adapted with the interior bottom of reaction vessel
When, the inside of several laterals (3) is connected on the outside of subtube (2) respectively.
5. a kind of aeration plate according to claim 1, it is characterised in that: the solarization air cap (4) is the circular hole of 8-10mm, phase
The interval 10-15cm of adjacent solarization air cap (4).
6. a kind of aeration plate according to claim 1, it is characterised in that: strut (5) setting is in the middle part of solarization air cap (4)
On corresponding lateral (3) inner sidewall, the two sides of strut (5) are separately installed with the aeration elastic slice (6) being obliquely installed, aeration
One end setting that elastic slice (6) is connected with strut (5) is dividing in the inside of lateral (3), the other end setting for being aerated elastic slice (6)
The outside of branch pipe(tube) (3), the shape for being aerated the middle part shape region corresponding with solarization air cap (4) of elastic slice (6) are adapted.
7. a kind of gasification ash water Integrated Processing Unit, including gasification ash water slot (7) and clarifying basin (12), it is characterised in that: described
Gasification ash water slot (7) with except hard pond (15) are connected, removes the upper of hard pond (15) top by lye premixing cell and deammonification tank (11)
Purified liquor outlet is connected with clarifying basin (12)；
The top of the deammonification tank (11) is connected with torch assembly (9)；
The top except hard pond (15) is connected with flocculant storage tank (10)；
The deammonification tank (11) and the solid-phase outlet for removing hard pond (15) bottom are connected with sludge treating block respectively；
It is connected between the middle part of the deammonification tank (11) and the middle part for removing hard pond (15) by connecting pipe (19)；
The interior bottom of the deammonification tank (11) and the insole portion for removing hard pond (15) are not equipped with any one of the claims 1-6 institute
The main pipeline (1) of the aeration plate stated, the internal aeration plate of deammonification tank (11) is connected with compressed air reservoir (17), except in hard pond (15)
The main pipeline (1) of portion's aeration plate is connected with carbon dioxide storage tank (16).
8. a kind of gasification ash water Integrated Processing Unit according to claim 7, it is characterised in that: the lye premixing cell
Including being arranged pipe-line mixer (8) between gasification ash water slot (7) and deammonification tank (11), pipe-line mixer (8) first into
Mouth is connected with gasification ash water slot (7), and the second import of pipe-line mixer (8) passes through lye pump (14) and alkali liquor storage tank (13) phase
Even, the outlet of pipe-line mixer (8) is connected with deammonification tank (11).
9. a kind of gasification ash water Integrated Processing Unit according to claim 7, it is characterised in that: the sludge treating block
Including pressing mud machine (21), pressure mud machine (21) is by sludge pump (20) respectively with deammonification tank (11) and except the solid phase of hard pond (15) bottom
Outlet is connected, and the solid-phase outlet of pressure mud machine (21) is connected by paste pump (22) with boiler furnace (23), presses the liquid of mud machine (21)
Mutually outlet is connected with sewage terminal processing device (18).
10. a kind of processing method of the gasification ash water Integrated Processing Unit as described in claim 7-9, it is characterised in that: at this
Reason method includes the following steps:
Step 1: the gasification ash water from gasification ash water slot (7) enters pipeline mixing by the first import of pipe-line mixer (8)
In device (8), the lye in alkali liquor storage tank (13), which enters pipeline by the second import of lye pump (14) and pipe-line mixer (8), to be mixed
In clutch (8)；Gasification ash water and lye enter after evenly mixing in deammonification tank (11), and gasification ash water and lye can make gasification ash
Mineralized nitrogen in water is the free ammonia that can be removed；The temperature of the gasification ash water are as follows: 60-75 DEG C, hardness are as follows: 1000-
2000mg/L, ammonia-nitrogen content 400-600mg/L；The lye is the sodium hydroxide solution that concentration is 30%-32%；The hydroxide
It is 120-160L/h that sodium solution, which enters the flow in pipe-line mixer (8),；The flow-rate ratio of gasification ash water and sodium hydroxide solution are as follows:
1m³:1.5-2L；Into the pH value of the gasification ash water mixed liquor in deammonification tank (11) are as follows: 10.5-11.5；
Step 2: after the gasification ash water mixed liquor in the step 1 enters deammonification tank (11), compressed air reservoir (17) passes through master
Pipeline (1) supplies compressed air to aeration plate, and compressed air passes through main pipeline (1), subtube (2), lateral (3) and aeration
Hole (4) enters in deammonification tank (11), and is sent into burning in torch assembly (9) after taking the ammonia to dissociate in buck out of；By to deamination
Being passed through compressed air in pond (11) can make the ammonia-nitrogen content in gasification ash water mixed liquor be reduced to 150-250mg/L；
The compressed air pressure are as follows: 0.4-0.6Mpa, compressed air require are as follows: 210-400m3/h, the gentle ashing of compressed air
Flow-rate ratio between water mixed liquid are as follows: 4-6:1.2-1.5；
It is described when being passed through compressed air in aeration plate, compressed air push aeration the outer sidesway of elastic slice (6) to lateral (3)
It is dynamic, it allows compressed air into deammonification tank (11)；Gasification ash when not being passed through compressed air in aeration plate, in deammonification tank (11)
Water mixed liquid pushes aeration elastic slice (6) mobile to the direction of lateral (3), makes the interior of the inside of aeration plate and deammonification tank (11)
Portion's isolation；
The distance between aeration plate and deammonification tank (11) interior bottom in deammonification tank (11) are 0.5-1m；
Step 3: the gasification ash water mixed liquor in deammonification tank (11) is entered by connecting pipe (19) except hard pond (15) are interior, and wadding is passed through
Flocculant PAC is added to except hard pond (15) are middle in solidifying agent storage tank (10), while making the compression titanium dioxide in carbon dioxide storage tank (16)
Carbon gas to except the aeration plate supply compression carbon dioxide gas in hard pond (15), compresses carbon dioxide gas by main pipeline (1)
Body is entered by main pipeline (1), subtube (2), lateral (3) and solarization air cap (4) except in hard pond (15)；Carbon dioxide is in alkali
A large amount of HCO are formed under property environment3And CO3 2-, with Ca present in gasification ash water2+And Mg2Formation infusible precipitate, and
Flocculant PAC effect is lower to carry out flocculating setting；The distance between interior bottom is 1-2m；
Step 4: clarifying basin is entered by the supernatant outlet except hard pond (15) top by the gasification ash water except hard pond (15)
(12) in, the gasification ash water pH value in clarifying basin (12) is 7.8-8.5, hardness 100-300mg/L, ammonia-nitrogen content 150-
250mg/L；
Step 5: deammonification tank (11) and the sludge except hard pond (15) bottom pass through its corresponding solid-phase outlet respectively and enter dirt
In dredge pump (20), send by sludge pump (20) pressurization into pressure mud machine (21)；Pass through cream by the mud cream that pressure mud machine (21) generates
Body pumps (22) and is sent into burning in boiler furnace (23)；The water content of the mud cream are as follows: 50%-60%；
Step 6: the sewage generated by pressure mud machine (21) is sent into sewage terminal processes dress by the liquid-phase outlet of pressure mud machine (21)
It sets and carries out advanced treating in (18).
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Cited By (1)
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| CN117401797A (en) * | 2023-12-15 | 2024-01-16 | 江苏省特种设备安全监督检验研究院 | Boiler ash water treatment recycling device |
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