CN108218034A - The processing method and its processing system of coke oven cycle ammonium hydroxide - Google Patents
The processing method and its processing system of coke oven cycle ammonium hydroxide Download PDFInfo
- Publication number
- CN108218034A CN108218034A CN201810051347.7A CN201810051347A CN108218034A CN 108218034 A CN108218034 A CN 108218034A CN 201810051347 A CN201810051347 A CN 201810051347A CN 108218034 A CN108218034 A CN 108218034A
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- China
- Prior art keywords
- demulsifier
- pipeline
- ammonia water
- ammonium hydroxide
- coke oven
- Prior art date
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- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 title claims abstract description 149
- 239000000908 ammonium hydroxide Substances 0.000 title claims abstract description 57
- 239000000571 coke Substances 0.000 title claims abstract description 51
- 238000003672 processing method Methods 0.000 title claims abstract description 22
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 151
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 92
- 239000000126 substance Substances 0.000 claims abstract description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 74
- 229910021529 ammonia Inorganic materials 0.000 claims description 37
- 239000007788 liquid Substances 0.000 claims description 26
- 229920002401 polyacrylamide Polymers 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 125000000129 anionic group Chemical group 0.000 claims description 7
- 238000005189 flocculation Methods 0.000 claims description 7
- 230000016615 flocculation Effects 0.000 claims description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 6
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 6
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 6
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 229920002873 Polyethylenimine Polymers 0.000 claims description 3
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 3
- 235000011126 aluminium potassium sulphate Nutrition 0.000 claims description 3
- 125000002091 cationic group Chemical group 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 239000008394 flocculating agent Substances 0.000 claims description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 3
- 235000014413 iron hydroxide Nutrition 0.000 claims description 3
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229940050271 potassium alum Drugs 0.000 claims description 3
- GRLPQNLYRHEGIJ-UHFFFAOYSA-J potassium aluminium sulfate Chemical compound [Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRLPQNLYRHEGIJ-UHFFFAOYSA-J 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 235000017550 sodium carbonate Nutrition 0.000 claims description 3
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 229920001661 Chitosan Polymers 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 239000010883 coal ash Substances 0.000 description 7
- -1 coke Stove Chemical compound 0.000 description 7
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- ZFSFDELZPURLKD-UHFFFAOYSA-N azanium;hydroxide;hydrate Chemical compound N.O.O ZFSFDELZPURLKD-UHFFFAOYSA-N 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RNHWYOLIEJIAMV-UHFFFAOYSA-N 1-chlorotetradecane Chemical compound CCCCCCCCCCCCCCCl RNHWYOLIEJIAMV-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical compound [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- UMEWSJNRBXKWKZ-UHFFFAOYSA-M sodium;1,4-dioxo-1,4-dipentoxybutane-2-sulfonate Chemical compound [Na+].CCCCCOC(=O)CC(S([O-])(=O)=O)C(=O)OCCCCC UMEWSJNRBXKWKZ-UHFFFAOYSA-M 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000000080 wetting agent 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular 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
- 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
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention belongs to water-treatment technology fields, are related to a kind of processing method and its processing system of coke oven cycle ammonium hydroxide.The present invention coke oven cycle ammonium hydroxide processing method, by flocculant remove cyclic ammonia water in suspended matter and/or, pass through demulsifier remove cyclic ammonia water in oily substance.The present invention can effectively reduce oil content and turbidity in cyclic ammonia water, so as to improve the water quality of cyclic ammonia water and improvement running effect.
Description
Technical field
The invention belongs to water-treatment technology field, a kind of processing method in particular to coke oven cycle ammonium hydroxide and its
Processing system.
Background technology
In recent years, with the fast development of Chinese national economy, coke output largely increases.In process of coking, from coke
The raw gas temperature that oven carbonization chamber is escaped through tedge is generally 650~750 DEG C, needs in one level pressure of bridge tube sum aggregate tracheal strips
The cyclic ammonia water sprinkling of power, when ammonium hydroxide and the coal gas of fine mist come into full contact with, ammonium hydroxide absorb crude-gas sensible heat part evaporate into
Enter in coal gas, gas temperature is drastically down to 80~85 DEG C, and about room temperature is cooled into primary cooler.The cyclic ammonia water and coal of evaporation
Gas is mixed into primary cooler cooling, and in cooling procedure, water vapour, ammonia, tar, naphthalene in coal gas etc., which are condensed, to cool down,
Form condensate liquid.Condensate liquid static separation in tar ammonia water separator or mechanical settling tank, obtains ammonium hydroxide and tar.
A large amount of ammonium hydroxide that coke-stove gas is formed during just cold, wherein most are used as cyclic ammonia water, and extra is general
It is arranged as outside remained ammonia.And the ammonium hydroxide formed during just cold can be mixed into a large amount of polluter, including but not limited to coal
Ash, coal dust, carbon, tar, oil, ammonia, naphthalene, cyanide etc., these pollutants have seriously affected the recycling of ammonium hydroxide and outer
The operation of ammonia excretion water system.
In the prior art for the processing mode of cyclic ammonia water, the conventional demulsifier of addition is only through to reduce cycle ammonia
Oil content in water has ignored the processing of the suspended matters such as coal ash in cyclic ammonia water, leads to the suspensions such as coal ash in cyclic ammonia water
Object is still very high, and suspended matter is also with a large amount of oil, the problem of also resulting in cyclic ammonia water system and subsequent processing.
In consideration of it, special propose the present invention.
Invention content
The first object of the present invention is to provide a kind of processing method of coke oven cycle ammonium hydroxide, and mode of operation is simple and practicable,
It is at low cost, oily substance and suspended matter in cyclic ammonia water can be effectively reduced, improves the operational effect of system.
The second object of the present invention is to provide a kind of processing system of coke oven cycle ammonium hydroxide, and equipment is simple, operating cost
It is low, oily substance and suspended matter in cyclic ammonia water can be effectively reduced, improves the operational effect of system.
To achieve the above object, the technical solution adopted by the present invention is：
According to an aspect of the present invention, the present invention provides a kind of processing method of coke oven cycle ammonium hydroxide, passes through flocculant
Remove cyclic ammonia water in suspended matter and/or, pass through demulsifier remove cyclic ammonia water in oily substance.
As further preferred technical solution, the flocculant includes at least one in organic flocculant and inorganic flocculating agent
Kind；
Preferably, the flocculant includes sodium carbonate, sodium sulphate, sodium metasilicate, potassium alum, aluminium hydroxide, iron hydroxide, gathers
Close ferric sulfate, polyaluminium sulfate, polymeric aluminium ferrum silicate, polyferric silicate sulfate, aluminium polychloride, dicandiamide-formaldehyde condensation polymer, shell
At least one of glycan, sodium carboxymethylcellulose, polyethyleneimine, polyacrylamide；
It is highly preferred that the flocculant includes sodium carboxymethylcellulose, polyacrylamide or its anionic, cation
At least one of type, non-ionic derivative.
As further preferred technical solution, the demulsifier includes non-ionic demulsifier, anionic demulsifier, sun
At least one of ionic demulsifying agent, oil-soluble demulsifier or water-soluble demulsifier；
Preferably, the demulsifier is non-ionic demulsifier.
As further preferred technical solution, a concentration of 0.1~10ppm of addition of the flocculant；
Preferably, a concentration of 0.2~15ppm of the addition of the demulsifier.
As further preferred technical solution, respectively by flocculant and demulsifier remove suspended matter in cyclic ammonia water and
Oily substance.
As further preferred technical solution, defecator and tank used for storing ammonia are equipped in coke oven cycle ammonia disposal system；
Add flocculant before the defecator, to remove the suspended matter in cyclic ammonia water, the tank used for storing ammonia it
After add demulsifier, to remove the oily substance in cyclic ammonia water.
According to another aspect of the present invention, the present invention also provides a kind of processing system of coke oven cycle ammonium hydroxide, including coke
Stove, gas-liquid separator, defecator, tank used for storing ammonia, cyclic ammonia water pump, flocculant slot and demulsifier slot；
The coke oven, gas-liquid separator pass sequentially through pipeline with the entrance of defecator and connect；
First outlet, tank used for storing ammonia, cyclic ammonia water pump and the coke oven of the defecator pass sequentially through cyclic ammonia water pipeline company
It connects；
The flocculant slot and/or demulsifier slot are connect respectively with the pipeline or cyclic ammonia water pipeline.
As further preferred technical solution, the flocculant slot passes through the first pipeline and gas-liquid separator and defecator
The connecting pipeline connection of entrance；
Preferably, first pipeline is equipped with the first dosing pump, the first injector and/or the first nozzle；
Preferably, first pipeline is equipped with the first dosing pump and the first nozzle, and the nozzle of first nozzle is located at
Inside the connecting pipeline of the entrance of gas-liquid separator and defecator；
Preferably, first pipeline is equipped with the first injector, first injector and solenoid valve and/or flow tune
Save valve connection.
As further preferred technical solution, the demulsifier slot is pumped by the second pipeline and tank used for storing ammonia and cyclic ammonia water
Between cyclic ammonia water pipeline connection；
Preferably, second pipeline is equipped with the second dosing pump, the second injector and/or the second nozzle；
Preferably, second pipeline is equipped with the second dosing pump and the second nozzle, and the nozzle of second nozzle is located at
Inside cyclic ammonia water pipeline between tank used for storing ammonia and cyclic ammonia water pump；
Preferably, second pipeline is equipped with the second injector, second injector and solenoid valve and/or flow tune
Save valve connection.
As further preferred technical solution, primary cooler is further included, the primary cooler passes through pipeline and the gas-liquid separation
Device connects；
Preferably, ammonium hydroxide pans are further included, the ammonium hydroxide pans are arranged between the defecator and tank used for storing ammonia；
Preferably, tar storage tank and/or tar pans are further included, the second outlet of defecator is stored up by pipeline and tar
Tank and/or the connection of tar pans.
Compared with prior art, the beneficial effects of the present invention are：
1st, the processing method of coke oven cycle ammonium hydroxide of the invention, will be in cyclic ammonia water by the flocculation of flocculant
The suspended contaminants such as coal ash, by little particle being become bulky grain, and by way of precipitating and detaching the effects that neutralization and bridge formation
The suspended matter in cyclic ammonia water is removed, the turbidity of water is greatly reduced, while flocculation can also play the role of demulsification, reduces ammonium hydroxide
The content of middle oil.
In addition, by adding demulsifier in cyclic ammonia water, the oil content in cyclic ammonia water can be effectively removed, by system
In heavy tar stripping in water, by way of sedimentation, remove the oil in water.
2nd, present invention process condition is simple and practicable, facilitates control, and easy to implement, separating ranges are wide, and low energy consumption, without money
Source wastes, and can effectively reduce the oil content and turbidity in cyclic ammonia water, so as to improve the water quality of cyclic ammonia water and improvement system
System operational effect, moreover it is possible to improve stability, the high efficiency of remained ammonia processing system, reduce the generation of equipment clogging, prolong
The service life of growth device, especially suitable for coking field or petrochemical field production wastewater treatment system.
3rd, the processing system of coke oven cycle ammonium hydroxide of the invention, equipment is simple, low for equipment requirements, and floor space is small, fortune
Row is at low cost, can effectively reduce oily substance and suspended matter in cyclic ammonia water, improve the operational effect of system, help to subtract
The generation of few device or pipeline blockage phenomenon improves the stability of device operation.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the processing system structure diagram of coke oven cycle ammonium hydroxide provided in an embodiment of the present invention；
Fig. 2 is the oil content in ammonium hydroxide after being handled using the processing method of coke oven cycle ammonium hydroxide provided in an embodiment of the present invention
Change schematic diagram；
Fig. 3 is the turbidity variation of ammonium hydroxide after the processing method processing using coke oven cycle ammonium hydroxide provided in an embodiment of the present invention
Schematic diagram.
Icon：1- coke ovens；2- gas-liquid separators；3- primary coolers；4- defecators；5- ammonium hydroxide pans；6- ammonium hydroxide
Storage tank；7- cyclic ammonia waters pump；8- tar pans；9- tar storage tanks；10- flocculant slots；11- demulsifier slots.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment and embodiment, but this field skill
Art personnel will be understood that following embodiments and embodiment are merely to illustrate the present invention, and be not construed as the model of the limitation present invention
It encloses.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.The person that is not specified actual conditions, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
In a first aspect, providing a kind of processing method of coke oven cycle ammonium hydroxide at least one embodiment, pass through flocculant
Remove cyclic ammonia water in suspended matter and/or, pass through demulsifier remove cyclic ammonia water in oily substance.
It is understood that above-mentioned processing method includes three kinds of modes：(1) it is removed in cyclic ammonia water by flocculant
Suspended matter；(2) oily substance in cyclic ammonia water is removed by demulsifier；(3) it is removed by flocculant outstanding in cyclic ammonia water
Float and pass through demulsifier remove cyclic ammonia water in oily substance.The main advantage of each mode is：
(1) by the flocculation of flocculant, by suspended contaminants such as the coal ash in cyclic ammonia water, by neutralizing and building bridge
The effects that little particle become into bulky grain, and the suspended matter in cyclic ammonia water is removed by way of precipitating and detaching, greatly reduce
The turbidity of water, while flocculation can also play the role of demulsification, reduce content oily in ammonium hydroxide.
(2) by adding demulsifier in cyclic ammonia water, the oil content in cyclic ammonia water can be effectively removed, it will be in system
Heavy tar stripping in water, by way of sedimentation, remove the oil in water.
(3) flocculant and demulsifier have synergistic effect, and demulsifier can remove the oil on suspended matter, so as to increase flocculation
The flocculating effect of agent, flocculant is flocculated the oil of stripping into the oil of bulky grain by flocculation, so as to accelerate the sedimentation of oil, into
And the content of oil can be reduced faster, it is acted on by the mutual cooperation of two class product of above-mentioned flocculant and demulsifier, changed significantly
The water quality of cyclic ammonia water has been apt to it, it is ensured that the stability of system operation.
Therefore, method of the invention is simple and practicable, easy to implement, and separating ranges are wide, and low energy consumption, No Assets waste,
The oil content and turbidity in cyclic ammonia water can be effectively reduced, so as to improve the water quality of cyclic ammonia water and improvement system operation effect
Fruit, moreover it is possible to improve stability, the high efficiency of remained ammonia processing system, reduce the generation of equipment clogging, extend device
Service life, effectively alleviates that existing cyclic ammonia water complex disposal process, high to equipment requirement, processing cost is high, effect is poor, especially
It is suspended matter poor processing effect in water, water turbidity it is high the technical issues of.
It should be understood that flocculant and the product that demulsifier is two class independences, two class products can be used alone, also may be used
To be used cooperatively, with the use of when, contribute to play act synergistically, realize have complementary advantages.
What needs to be explained here is that the present invention does not have the source of flocculant and demulsifier special limitation, using this
Flocculant and demulsifier known to field technology personnel；Commercial goods such as may be used, this field skill can also be used
Preparation method known to art personnel is voluntarily prepared.
In a preferred embodiment, the flocculant includes at least one in organic flocculant and inorganic flocculating agent
Kind；
Preferably, the flocculant includes sodium carbonate, sodium sulphate, sodium metasilicate, potassium alum, aluminium hydroxide, iron hydroxide, gathers
Close ferric sulfate, polyaluminium sulfate, polymeric aluminium ferrum silicate, polyferric silicate sulfate, aluminium polychloride, dicandiamide-formaldehyde condensation polymer, shell
At least one of glycan, sodium carboxymethylcellulose, polyethyleneimine, polyacrylamide；
It is highly preferred that the flocculant includes sodium carboxymethylcellulose, polyacrylamide or its anionic, cation
At least one of type, non-ionic derivative.
Flocculant in the present invention includes or alternatively referred to as water cleaning agent, and the state of flocculant can be liquid flocculant,
It can be solid flocculant.
Flocculant is preferably using organic flocculant, more preferably using polyacrylamide or derivatives thereof, such as
Flocculant include but not limited to one kind in polyacrylamide, cationic-type polyacrylamide and non-ionic polyacrylamide or
It is a variety of.The molecular weight and density of flocculant are not particularly limited, numberical range commonly used in the art can be used.
The present invention does not have the source of polyacrylamide or derivatives thereof special limitation, using those skilled in the art
Known polyacrylamide or derivatives thereof；Commercial goods such as may be used, those skilled in the art can also be used
Well known preparation method is voluntarily prepared.
In a preferred embodiment, the demulsifier includes non-ionic demulsifier, anionic demulsifier, sun
At least one of ionic demulsifying agent, oil-soluble demulsifier or water-soluble demulsifier；
Preferably, the demulsifier is non-ionic demulsifier.
Preferably, the demulsifier include sulfuric ester salt form demulsifier, carboxylic acid type demulsifier and sulfonate type demulsifier,
At least one of alkyl halide ammonium type demulsifier, polyamine type demulsifier, polyether type demulsifying agent or modified polyether demulsifier；
It is highly preferred that the demulsifier includes at least one of polyether type demulsifying agent or modified polyether demulsifier.
The demulsifier of the present invention includes or alternatively referred to as ability can be used in surfactant, wetting agent, the type of demulsifier
Common demulsifier in domain, such as can be molten for non-ionic demulsifier, anionic demulsifier, cationic demulsifier, oil
Property demulsifier or water-soluble demulsifier.
Optionally, demulsifier includes but not limited to Aerosol OT, diamyl sodium sulfo-succinate, fat
Alcohol polyoxyethylene ether sulfosuccinic acid monoester disodium, double tetradecyl chloride base cetyl dimethylethyl ammoniums, double chlorinations 14
Alkyl octadecyldimethyl ethyl ammonium, double hexadecyl octadecyldimethyl ethyl ammoniums, polyethylene glycol, the poly- second of esterification
Glycol, amino polyethylene glycol, alkyl phenolic resin polyoxyethylene poly-oxygen propylene aether or polysiloxane polyoxyethylene polyoxypropylene
One kind in ether.
In a preferred embodiment, non-ionic demulsifier includes but not limited to polyoxyethylene polyoxypropylene alkyl
Alcohol ether, polyoxyethylene polyoxypropylene alkyl diol ether, polyoxyethylene polyoxypropylene diethylene glycol (DEG) alcohol ether and polyoxyethylene polyoxypropylene
At least one of glycerine ether.
In a preferred embodiment, a concentration of 0.1~10ppm of the addition of the flocculant；
Preferably, a concentration of 0.2~15ppm of the addition of the demulsifier.
In the present invention, flocculant is typical but unrestricted a concentration of 0.1ppm, 0.2ppm of addition, 0.3ppm, 0.4ppm,
0.5ppm, 0.6ppm, 0.8ppm, 1ppm, 1.5ppm, 2ppm, 3ppm, 4ppm, 5ppm, 6ppm, 7ppm, 8ppm, 9ppm or
10ppm.Demulsifier is typical but unrestricted a concentration of 0.2ppm, 0.5ppm of addition, 0.6ppm, 0.7ppm, 0.8ppm,
0.9ppm、1ppm、1.2ppm、1.5ppm、1.8ppm、2ppm、2.5ppm、3ppm、3.5ppm、4ppm、4.5ppm、5ppm、
6ppm, 8ppm, 10ppm, 12ppm or 15ppm.
Solid flocculant or demulsifier are added generally after dissolving, diluting into cyclic ammonia water processing system；Liquid
The flocculant or demulsifier of state are also required to add into cyclic ammonia water processing system after being diluted to a certain concentration.Suitable demulsification
Agent and the addition concentration of flocculant, contribute in the case where reducing cost, reach more preferably treatment effect, avoid the wave of resource
Take, while promote treatment effect.
In a preferred embodiment, respectively by flocculant and demulsifier remove suspended matter in cyclic ammonia water and
Oily substance.
The suspended matter and oily substance in cyclic ammonia water are removed by flocculant and demulsifier respectively, helps to play the two
Synergistic effect, realize have complementary advantages, greatly improve cyclic ammonia water water quality, it is ensured that the stability of system operation.
In a preferred embodiment, defecator and tank used for storing ammonia are equipped in coke oven cycle ammonia disposal system；
Add flocculant before the defecator, to remove the suspended matter in cyclic ammonia water, the tank used for storing ammonia it
After add demulsifier, to remove the oily substance in cyclic ammonia water.
Preferably, polyacrylamide or derivatives thereof flocculant is added before defecator, is added after tank used for storing ammonia
Non-ionic demulsifier.
In this way, polyacrylamide or derivatives thereof flocculant is added before defecator so that cyclic ammonia water enters clarification
The suspended contaminants such as coal ash therein and part oily substance are removed before slot, help to carry out in defecator oil, water and
The separation of sediment reduces the turbidity of ammonium hydroxide；Non-ionic demulsifier is added in the exit of tank used for storing ammonia simultaneously, is effectively removed
Oil content in cyclic ammonia water, the two cooperate, and greatly improve reentering the ammonium hydroxide water quality into coke oven, it is ensured that system is pacified
Entirely, the operation stablized, improves production efficiency.
Before untreated, oily content exists cyclic ammonia water in more than 250ppm, turbidity in more than 1000NTU, suspended matter
More than 1000ppm；And pass through after above-mentioned processing method processing provided by the invention, oily content can be reduced in cyclic ammonia water
150ppm hereinafter, haze reduction to below 200NTU.
Second aspect provides a kind of processing system of coke oven cycle ammonium hydroxide, including coke oven, gas at least one embodiment
Liquid/gas separator, defecator, tank used for storing ammonia, cyclic ammonia water pump, flocculant slot and demulsifier slot；
The coke oven, gas-liquid separator pass sequentially through pipeline with the entrance of defecator and connect；
First outlet, tank used for storing ammonia, cyclic ammonia water pump and the coke oven of the defecator pass sequentially through cyclic ammonia water pipeline company
It connects；
The flocculant slot and/or demulsifier slot are connect respectively with the pipeline or cyclic ammonia water pipeline.
It is understood that the cyclic ammonia water processing system of the present invention is using coal oven dithio-gas commonly used in the art
Production system, can include above device, but and in being limited to this, suitable transformation can also be done according to practical application, for example, on
Stating defecator can also use tar ammonia water separator to substitute；The key of the cyclic ammonia water processing system of the present invention is to be provided with
Flocculant slot and demulsifier slot, and connect with pipeline or cyclic ammonia water pipeline.
The processing system of above-mentioned coke oven cycle ammonium hydroxide, equipment is simple, in existing production system increase flocculant slot and
Demulsifier slot, improvement cost is low, low for equipment requirements, and floor space is small, and operating cost is low, can effectively reduce cycle ammonia
Oily substance and suspended matter in water improve the operational effect of system, help to reduce the generation of device or pipeline blockage phenomenon,
Improve the stability of device operation.
In a preferred embodiment, the flocculant slot passes through the first pipeline and gas-liquid separator and defecator
The connecting pipeline connection of entrance；
Preferably, first pipeline is equipped with the first dosing pump, the first injector and/or the first nozzle；
Preferably, first pipeline is equipped with the first dosing pump and the first nozzle, and the nozzle of first nozzle is located at
Inside the connecting pipeline of the entrance of gas-liquid separator and defecator；
Preferably, first pipeline is equipped with the first injector, first injector and solenoid valve and/or flow tune
Save valve connection.
In a preferred embodiment, the demulsifier slot is pumped by the second pipeline and tank used for storing ammonia and cyclic ammonia water
Between cyclic ammonia water pipeline connection；
Preferably, second pipeline is equipped with the second dosing pump, the second injector and/or the second nozzle；
Preferably, second pipeline is equipped with the second dosing pump and the second nozzle, and the nozzle of second nozzle is located at
Inside cyclic ammonia water pipeline between tank used for storing ammonia and cyclic ammonia water pump；
Preferably, second pipeline is equipped with the second injector, second injector and solenoid valve and/or flow tune
Save valve connection.
The addition manner of flocculant and demulsifier in the present invention, may be used a variety of addition manners, such as pass through metering
Liquid is added to by the dosing method that pump is connect with nozzle needs position to be added, can also pass through injector negative pressure and suck medicine
Agent, and it is added to need position to be added.
The present invention does not do excessive restriction for the specific constructive form of dosing pump, injector and nozzle, using this field
In it is common.
In a preferred embodiment, primary cooler is further included, the primary cooler passes through pipeline and the gas-liquid separation
Device connects；
Preferably, ammonium hydroxide pans are further included, the ammonium hydroxide pans are arranged between the defecator and tank used for storing ammonia；
Preferably, tar storage tank and/or tar pans are further included, the second outlet of defecator is stored up by pipeline and tar
Tank and/or the connection of tar pans.
Preferably, at least one tar pans and at least one tar storage tank are further included, the second outlet of defecator is led to
Pipeline is crossed to connect with tar pans and tar storage tank successively.
With reference to specific embodiments and the drawings, the invention will be further described.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of processing system of coke oven cycle ammonium hydroxide, including coke oven 1, gas-liquid separator
2nd, primary cooler 3, defecator 4, ammonium hydroxide pans 5, tank used for storing ammonia 6, cyclic ammonia water pump 7, tar pans 8, tar storage tank 9, wadding
Solidifying agent slot 10 and demulsifier slot 11；
Coke oven 1, gas-liquid separator 2 pass sequentially through pipeline with the entrance of defecator 4 and connect；Primary cooler 3 passes through pipeline and gas
Liquid/gas separator 2 connects；
First outlet, ammonium hydroxide pans 5, tank used for storing ammonia 6, cyclic ammonia water pump 7 and the coke oven 1 of defecator 4 are passed sequentially through and are followed
Ring ammonium hydroxide pipeline connects；The second outlet of defecator 4 is connect by pipeline with tar pans 8 and tar storage tank 9 successively；
Flocculant slot 10 is connected by the first pipeline with the connecting pipeline of gas-liquid separator 2 and the entrance of defecator 4；
Demulsifier slot 11 is connected by the cyclic ammonia water pipeline between the second pipeline and tank used for storing ammonia 6 and cyclic ammonia water pump 7.
Preferably, the first pipeline is equipped with the first dosing pump and the first nozzle, and the nozzle of the first nozzle is located at gas-liquid separation
Inside the connecting pipeline of the entrance of device 2 and defecator 4；
Alternatively, the first pipeline is equipped with the first injector, the first injector is connect with solenoid valve and/or flow control valve.
Preferably, the second pipeline is equipped with the second dosing pump and the second nozzle, and the nozzle of the second nozzle is located at tank used for storing ammonia 6
Inside cyclic ammonia water pipeline between cyclic ammonia water pump 7；
Alternatively, the second pipeline is equipped with the second injector, the second injector is connect with solenoid valve and/or flow control valve.
The present embodiment also provides a kind of processing method of coke oven cycle ammonium hydroxide, including：
Polyacrylamide or derivatives thereof flocculant is added before defecator so that cyclic ammonia water enters before defecator
Remove the suspended contaminants such as coal ash therein and part oily substance；
Non-ionic demulsifier is added in the exit of tank used for storing ammonia simultaneously, effectively removes the oil content in cyclic ammonia water,
The two cooperates, and greatly improves reentering the ammonium hydroxide water quality into coke oven.
Wherein, a concentration of 0.1~10ppm of the addition of flocculant；A concentration of 0.2~15ppm of addition of demulsifier.
Fig. 2 shows that the oil content variation after the processing method processing of coke oven cycle ammonium hydroxide using the present invention in ammonium hydroxide is shown
It is intended to, in Fig. 2, ordinate is oil content (unit：Ppm), abscissa is the time (unit of processing：Minute)；Fig. 3, which is shown, to be adopted
With the turbidity change schematic diagram of ammonium hydroxide after the processing method processing of the coke oven cycle ammonium hydroxide of the present invention, in Fig. 3, ordinate is turbidity
(unit：NTU), abscissa is the time (unit of processing：Minute).From from Fig. 2 and Fig. 3 as can be seen that provided by the invention
Reason method can greatly reduce oil content and turbidity in cyclic ammonia water, and the oil content of treated cyclic ammonia water can be from
235ppm drops to 125ppm；Turbidity can drop to 170NTU from 1000NTU.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of processing method of coke oven cycle ammonium hydroxide, which is characterized in that the suspended matter in cyclic ammonia water is removed by flocculant,
And/or the oily substance in cyclic ammonia water is removed by demulsifier.
2. the processing method of coke oven cycle ammonium hydroxide according to claim 1, which is characterized in that the flocculant includes organic
At least one of flocculant and inorganic flocculating agent；
Preferably, the flocculant includes sodium carbonate, sodium sulphate, sodium metasilicate, potassium alum, aluminium hydroxide, iron hydroxide, polymerised sulphur
Sour iron, polyaluminium sulfate, polymeric aluminium ferrum silicate, polyferric silicate sulfate, aluminium polychloride, dicandiamide-formaldehyde condensation polymer, chitosan,
At least one of sodium carboxymethylcellulose, polyethyleneimine, polyacrylamide；
It is highly preferred that the flocculant includes sodium carboxymethylcellulose, polyacrylamide or its anionic, cationic, non-
At least one of ionic derivative.
3. the processing method of coke oven cycle ammonium hydroxide according to claim 1, which is characterized in that the demulsifier include it is non-from
At least one in subtype demulsifier, anionic demulsifier, cationic demulsifier, oil-soluble demulsifier or water-soluble demulsifier
Kind；
Preferably, the demulsifier is non-ionic demulsifier.
4. according to the processing method of claims 1 to 3 any one of them coke oven cycle ammonium hydroxide, which is characterized in that the flocculation
A concentration of 0.1~10ppm of addition of agent；
Preferably, a concentration of 0.2~15ppm of the addition of the demulsifier.
5. according to the processing method of claims 1 to 3 any one of them coke oven cycle ammonium hydroxide, which is characterized in that pass through respectively
Suspended matter and oily substance in flocculant and demulsifier removal cyclic ammonia water.
6. the processing method of coke oven cycle ammonium hydroxide according to claim 5, which is characterized in that coke oven cycle AMMONIA TREATMENT system
Defecator and tank used for storing ammonia are equipped in system；
Flocculant is added before the defecator, to remove the suspended matter in cyclic ammonia water, is added after the tank used for storing ammonia
Add demulsifier, to remove the oily substance in cyclic ammonia water.
7. a kind of processing system of coke oven cycle ammonium hydroxide, which is characterized in that including coke oven, gas-liquid separator, defecator, ammonium hydroxide storage
Tank, cyclic ammonia water pump, flocculant slot and demulsifier slot；
The coke oven, gas-liquid separator pass sequentially through pipeline with the entrance of defecator and connect；
The first outlet of the defecator, tank used for storing ammonia, cyclic ammonia water pump pass sequentially through cyclic ammonia water pipeline with coke oven and connect；
The flocculant slot and/or demulsifier slot are connect respectively with the pipeline or cyclic ammonia water pipeline.
8. the processing system of coke oven cycle ammonium hydroxide according to claim 7, which is characterized in that the flocculant slot passes through
One pipeline is connected with the connecting pipeline of gas-liquid separator and the entrance of defecator；
Preferably, first pipeline is equipped with the first dosing pump, the first injector and/or the first nozzle；
Preferably, first pipeline is equipped with the first dosing pump and the first nozzle, and the nozzle of first nozzle is located at gas-liquid
Inside the connecting pipeline of the entrance of separator and defecator；
Preferably, first pipeline is equipped with the first injector, first injector and solenoid valve and/or flow control valve
Connection.
9. the processing system of coke oven cycle ammonium hydroxide according to claim 7, which is characterized in that the demulsifier slot passes through
Cyclic ammonia water pipeline between two pipelines and tank used for storing ammonia and cyclic ammonia water pump connects；
Preferably, second pipeline is equipped with the second dosing pump, the second injector and/or the second nozzle；
Preferably, second pipeline is equipped with the second dosing pump and the second nozzle, and the nozzle of second nozzle is located at ammonium hydroxide
Inside cyclic ammonia water pipeline between storage tank and cyclic ammonia water pump；
Preferably, second pipeline is equipped with the second injector, second injector and solenoid valve and/or flow control valve
Connection.
10. according to the processing system of claim 7~9 any one of them coke oven cycle ammonium hydroxide, which is characterized in that further include just
Cooler, the primary cooler are connect by pipeline with the gas-liquid separator；
Preferably, ammonium hydroxide pans are further included, the ammonium hydroxide pans are arranged between the defecator and tank used for storing ammonia；
Preferably, tar storage tank and/or tar pans are further included, the second outlet of defecator passes through pipeline and tar storage tank
And/or tar pans connection.
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